Measurement Specialties Computer Hardware PCI DAS64 M2 16 User Manual

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HM PCI-DAS64_M2_16.doc  
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iii  
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Table of Contents  
Preface  
Chapter 1  
Chapter 2  
Chapter 3  
Chapter 4  
Chapter 5  
Chapter 6  
iv  
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PCI-DAS64/M2/16 User's Guide  
v
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Preface  
About this User's Guide  
What you will learn from this user's guide  
This user's guide explains how to install, configure, and use the PCI-DAS64/M2/16 so that you get the most out  
of its analog, digital, and timing I/O features.  
This user's guide also refers you to related documents available on our web site, and to technical support  
resources.  
Conventions in this user's guide  
For more information on …  
Text presented in a box signifies additional information and helpful hints related to the subject matter you are  
reading.  
Caution! Shaded caution statements present information to help you avoid injuring yourself and others,  
damaging your hardware, or losing your data.  
<#:#>  
Angle brackets that enclose numbers separated by a colon signify a range of numbers, such as those assigned  
to registers, bit settings, etc.  
bold text  
Bold text is used for the names of objects on the screen, such as buttons, text boxes, and check boxes. For  
example:  
1. Insert the disk or CD and click the OK button.  
italic text  
Italic text is used for the names of manuals and help topic titles, and to emphasize a word or phrase. For  
example:  
The InstaCal installation procedure is explained in the Quick Start Guide.  
Never touch the exposed pins or circuit connections on the board.  
Where to find more information  
The following electronic documents provide relevant information to the operation of your PCI-DAS64/M2/16.  
!
!
!
!
!
!
MCC's Specifications: PCI-DAS64/M2/16 (the PDF version of the Specifications chapter in this guide) is  
available on our web site at www.mccdaq.com/pdfs/PCI-DAS64-M2-16.pdf.  
MCC's Quick Start Guide is available on our web site at  
MCC's Guide to Signal Connections is available on our web site at  
MCC's Universal Library User's Guide is available on our web site at  
MCC's Universal Library Function Reference is available on our web site at  
MCC's Universal Library for LabVIEWUser’s Guide is available on our web site at  
PCI-DAS64/M2/16 User's Guide (this document) is also available on our web site at  
vi  
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Chapter 1  
Introducing the PCI-DAS64/M2/16  
Overview: PCI-DAS64/M2/16 features  
The PCI-DAS64/M2/16 board offers a combination of high speed, channel count and resolution on a single  
PCI-bus data acquisition board. It offers:  
!
!
!
!
!
!
!
64 single-ended or 32 differential 16-bit analog inputs  
2 MHz sample rate  
Two 16-bit analog outputs  
100 kHz D/A update rate (16 K FIFO)  
32 bits of digital I/O  
One 16-bit down-counter  
A variety of analog and digital trigger modes with software-selectable trigger levels and direction  
The PCI-DAS64/M2/16 board is designed with Measurement Computing’s powerful System Timing Controller  
(STC) chip. The STC chip controls all A/D sampling and D/A update rates as well as controlling the 8K A/D  
FIFO, the 8K gain/channel queue and the 16K D/A FIFO buffer. This functionality is based on the STC chip’s  
use of an on-board 32K x 16 SRAM. The STC chip assigns functions to various parts of the SRAM, such as the  
A/D FIFO buffer, and provides full-speed control and arbitration among the various functions using the various  
sections of the SRAM buffer.  
The STC allows simultaneous full speed A/D sampling, D/A updating and gain/channel queue sequencing, with  
variable inter-sample timing if desired. The STC chip performs these functions up to 5 MHz, and is available as  
an OEM component for use in your own designs. The board provides bus-mastering and scatter-gather  
functionality to assure the desired system timing is maintained.  
The PCI-DAS64/M2/16 is completely plug-and-play, with no switches, jumpers or potentiometers on the board.  
All board addresses, interrupt channels, etc., are set by your computers plug-and-play software. Calibration is  
performed via software by using on-board trim D/A converters.  
Software features  
For information on the features of InstaCal and the other software included with your PCI-DAS64/M2/16, refer  
to the Quick Start Guide that shipped with your device. The Quick Start Guide is also available in PDF at  
Check www.mccdaq.com/download.htm for the latest software version or versions of the software supported  
under less commonly used operating systems.  
1-1  
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Chapter 2  
Installing the PCI-DAS64/M2/16  
What comes with your PCI-DAS64/M2/16 shipment?  
As you unpack your board, make sure each of the items shown below is included.  
Hardware  
!
PCI-DAS64/M2/16  
Additional documentation  
In addition to this hardware user's guide, you should also receive the Quick Start Guide (available in PDF at  
www.mccdaq.com/PDFmanuals/DAQ-Software-Quick-Start.pdf). This booklet supplies a brief description of  
the software you received with your PCI-DAS64/M2/16 and information regarding installation of that software.  
Please read this booklet completely before installing any software or hardware.  
Optional components  
If you ordered any of the following products with your board, they should be included with your shipment.  
! Cables  
C40-37F-x  
C100HD50-x  
C100MMS-x  
C40FF-x  
BP40-37  
2-1  
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PCI-DAS64/M2/16 User's Guide  
Installing the PCI-DAS64/M2/16  
! Signal termination and conditioning accessories  
MCC provides signal termination products for use with the PCI-DAS64/M2/16. Refer to the "Field wiring,  
signal termination and conditioning" section on page 2-7 for a complete list of compatible accessory  
products.  
Unpacking the PCI-DAS64/M2/16  
As with any electronic device, you should take care while handling to avoid damage from static  
electricity. Before removing the PCI-DAS64/M2/16 from its packaging, ground yourself using a wrist strap or  
by simply touching the computer chassis or other grounded object to eliminate any stored static charge.  
If any components are missing or damaged, notify Measurement Computing Corporation immediately by  
phone, fax, or e-mail:  
!
!
!
Phone: 508-946-5100 and follow the instructions for reaching Tech Support.  
Fax: 508-946-9500 to the attention of Tech Support  
Installing the software  
Refer to the Quick Start Guide for instructions on installing the software on the Measurement Computing Data  
Acquisition Software CD. This booklet is available in PDF at www.mccdaq.com/PDFmanuals/DAQ-Software-  
Installing the PCI-DAS64/M2/16  
The PCI-DAS64/M2/16 board is completely plug-and-play, with no switches or jumpers to set. Configuration is  
controlled by your system's BIOS. To install your board, follow the steps below.  
Install the MCC DAQ software before you install your board  
The driver needed to run your board is installed with the MCC DAQ software. Therefore, you need to install the  
MCC DAQ software before you install your board. Refer to the Quick Start Guide for instructions on installing  
the software.  
1. Turn your computer off, open it up, and insert your board into an available PCI slot.  
2. Close your computer and turn it on.  
If you are using an operating system with support for plug-and-play (such as Windows 2000 or Windows  
XP), a dialog box pops up as the system loads indicating that new hardware has been detected. If the  
information file for this board is not already loaded onto your PC, you will be prompted for the disk  
containing this file. The MCC DAQ software contains this file. If required, insert the Measurement  
Computing Data Acquisition Software CD and click OK.  
3. To test your installation and configure your board, run the InstaCal utility you installed in the previous  
section. Refer to the Quick Start Guide that came with your board for information on how to initially set up  
and load InstaCal.  
If your board has been powered-off for more than 10 minutes, allow your computer to warm up for at least  
60 minutes before acquiring data. This warm-up period is required for the board to achieve its rated accuracy.  
The high speed components used on the board generate heat, and it takes this amount of time for a board to  
reach steady state if it has been powered off for a significant amount of time.  
2-2  
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PCI-DAS64/M2/16 User's Guide  
Installing the PCI-DAS64/M2/16  
Calibrate the PCI-DAS64/M2/16 after it has warmed up and immediately before making critical  
measurements  
Use the InstaCal utility to calibrate the PCI-DAS64/M2/16 after it has fully warmed up. For best results,  
calibrate the board immediately before making critical measurements. The high resolution analog components  
on the board are somewhat sensitive to temperature. This pre-measurement calibration insures that your board is  
operating at the optimum calibration values.  
Configuring the PCI-DAS64/M2/16  
All hardware configuration options on the PCI-DAS64/M2/16 are software controlled. You can select some of  
the configuration options using InstaCal, such as the analog input configuration (64 single-ended or 32  
differential channels), and the edge used for triggering when using an external pacer.  
Once configured, any program that uses Measurement Computing’s Universal Library will initialize the  
hardware according to these selections.  
Connecting the board for I/O operations  
Connectors, cables – main I/O connector  
Table 2-1 lists the board connectors, applicable cables and compatible accessory boards.  
Table 2-1. Main board connector, cables, accessory equipment  
Parameter  
Specification  
Connector type  
Main connector: Shielded SCSI 100-pin D-type  
Auxiliary DIO connector: 40-pin header connector  
! C100HD50-x, unshielded ribbon cable. x = 3 or 6 feet.  
! C100MMS-x, shielded round cable. x = 1, 2, or 3 meters.  
Compatible cables — main connector  
Compatible cables — 40-pin auxiliary  
connector  
! C40FF-x  
! C40-37F-x  
! BP40-37-x  
Compatible accessory products using  
the C100HD50-x cable  
CIO-MINI50 (two required)  
SCB-50  
Compatible accessory products using  
the C100MMS-x cable  
CIO-TERM100  
SCB-100  
Compatible accessory products using  
the C40FF-x cable  
CIO-MINI40  
Compatible accessory products  
with the C40-37F-x cable  
or  
with the BP40-37-x and the C37FF-x  
or C37FFS-x cable  
SCB-37  
CIO-MINI37  
CIO-TERMINAL  
CIO-ERB24  
CIO-ERB08  
SSR-RACK24  
SSR-RACK08  
2-3  
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PCI-DAS64/M2/16 User's Guide  
Installing the PCI-DAS64/M2/16  
Signal Name Pin  
Pin  
Signal Name  
LLGND  
CH0 IN HI  
CH1 IN HI  
CH2 IN HI  
CH3 IN HI  
CH4 IN HI  
CH5 IN HI  
CH6 IN HI  
CH7 IN HI  
CH8 IN HI  
CH9 IN HI  
CH10 IN HI  
CH11 IN HI  
CH12 IN HI  
CH13 IN HI  
CH14 IN HI  
CH15 IN HI  
LLGND  
CH16 IN HI  
CH17 IN HI  
CH18 IN HI  
CH19 IN HI  
CH20 IN HI  
CH21 IN HI  
CH22 IN HI  
CH23 IN HI  
CH24 IN HI  
CH25 IN HI  
CH26 IN HI  
CH27 IN HI  
CH28 IN HI  
CH29 IN HI  
CH30 IN HI  
100  
50  
49  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
10  
9
GND  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
Pinout – main  
I/O connector  
99  
98  
97  
96  
95  
94  
93  
92  
91  
90  
89  
88  
87  
86  
85  
84  
83  
82  
81  
80  
79  
78  
77  
76  
75  
74  
73  
72  
71  
70  
69  
68  
67  
66  
65  
64  
63  
62  
61  
60  
59  
58  
57  
56  
55  
54  
53  
52  
51  
CH0 IN LO  
CH1 IN LO  
CH2 IN LO  
CH3 IN LO  
CH4 IN LO  
CH5 IN LO  
CH6 IN LO  
CH7 IN LO  
CH8 IN LO  
CH9 IN LO  
CH10 IN LO  
CH11 IN LO  
CH12 IN LO  
CH13 IN LO  
CH14 IN LO  
CH15 IN LO  
LLGND  
CH16 IN LO  
CH17 IN LO  
CH18 IN LO  
CH19 IN LO  
CH20 IN LO  
CH21 IN LO  
CH22 IN LO  
CH23 IN LO  
CH24 IN LO  
CH25 IN LO  
CH26 IN LO  
CH27 IN LO  
CH28 IN LO  
CH29 IN LO  
CH30 IN LO  
CH31 IN LO  
+12V  
GND  
-12V  
GND  
DIN0  
DIN1  
DIN2  
DIN3  
DOUT0  
DOUT1  
DOUT2  
DOUT3  
CTR1 GATE  
CTR1 CLK  
CTR1 OUT  
GND  
Table 2-2.  
32-channel differential  
mode  
CH31 IN HI  
D/A GND 0  
D/A OUT 0  
D/A GND 1  
D/A OUT 1  
PC +5V  
D/A EXTERNAL PACER  
EXT. D/A TRIGGER/PACER GATE  
SSH OUT / DAC PACER OUT  
A/D PACER OUT  
A/D PACER GATE  
ANALOG TRIGGER IN  
A/D START TRIGGER IN  
A/D STOP TRIGGER IN  
A/D EXTERNAL PACER  
EXTERNAL INTERRUPT  
GND  
8
7
6
5
4
3
2
1
PCI slot  
2-4  
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PCI-DAS64/M2/16 User's Guide  
Installing the PCI-DAS64/M2/16  
Table 2-3. 64-channel single-ended mode  
Signal Name Pin  
Pin  
Signal Name  
LLGND  
CH0 IN  
CH1 IN  
CH2 IN  
CH3 IN  
CH4 IN  
CH5 IN  
CH6 IN  
CH7 IN  
100  
50  
49  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
10  
9
GND  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
99  
98  
97  
96  
95  
94  
93  
92  
91  
90  
89  
88  
87  
86  
85  
84  
83  
82  
81  
80  
79  
78  
77  
76  
75  
74  
73  
72  
71  
70  
69  
68  
67  
66  
65  
64  
63  
62  
61  
60  
59  
58  
57  
56  
55  
54  
53  
52  
51  
CH32 IN  
CH33 IN  
CH34 IN  
CH35 IN  
CH36 IN  
CH37 IN  
CH38 IN  
CH39 IN  
CH40 IN  
CH41 IN  
CH42 IN  
CH43 IN  
CH44 IN  
CH45 IN  
CH46 IN  
CH47 IN  
LLGND  
CH48 IN  
CH49 IN  
CH50 IN  
CH51 IN  
CH52 IN  
CH53 IN  
CH54 IN  
CH55 IN  
CH56 IN  
CH57 IN  
CH58 IN  
CH59 IN  
CH60 IN  
CH61 IN  
CH62 IN  
CH63 IN  
+12V  
GND  
-12V  
GND  
DIN0  
DIN1  
DIN2  
DIN3  
DOUT0  
DOUT1  
DOUT2  
DOUT3  
CTR1 GATE  
CTR1 CLK  
CTR1 OUT  
GND  
CH8 IN  
CH9 IN  
CH10 IN  
CH11 IN  
CH12 IN  
CH13 IN  
CH14 IN  
CH15 IN  
LLGND  
CH16 IN  
CH17 IN  
CH18 IN  
CH19 IN  
CH20 IN  
CH21 IN  
CH22 IN  
CH23 IN  
CH24 IN  
CH25 IN  
CH26 IN  
CH27 IN  
CH28 IN  
CH29 IN  
CH30 IN  
CH31 IN  
D/A GND 0  
D/A OUT 0  
D/A GND 1  
D/A OUT 1  
PC +5V  
D/A EXTERNAL PACER  
EXT. D/A TRIGGER/PACER GATE  
SSH OUT / DAC PACER OUT  
A/D PACER OUT  
8
7
6
5
4
3
2
1
A/D PACER GATE  
ANALOG TRIGGER IN  
A/D START TRIGGER IN  
A/D STOP TRIGGER IN  
A/D EXTERNAL PACER  
EXTERNAL INTERRUPT  
GND  
PCI slot  
2-5  
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PCI-DAS64/M2/16 User's Guide  
Installing the PCI-DAS64/M2/16  
Strain relief is  
stamped “Pins 1-50”.  
49 50  
Pins 1-50 are on the long side  
of the “D” connector.  
50  
100  
Key  
2
1
The red stripe  
identifies pin # 1  
99 100  
1
51  
Key  
Pins 51-100 are on  
52  
51  
the short side of  
the “D” connector.  
Strain relief is  
Stamped “Pins 51-100”.  
The red stripe  
identifies pin # 51  
Figure 2-1. C100HD50-x cable connections  
50  
100  
50  
100  
1
51  
1
51  
Figure 2-2. C100MMS-x cable  
2-6  
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PCI-DAS64/M2/16 User's Guide  
Installing the PCI-DAS64/M2/16  
Pin out – auxiliary DIO connector  
The auxiliary digital connector can be accessed using a variety of cabling schemes. To bring the 40-pin header  
out to a bracket at the back of the PC, use a BP40-37 adapter. This terminates in a CIO-DIO series compatible  
connector to which you can connect a CIO-MINI37 or CIO-TERMINAL screw terminal board using a C37FF-x  
or C37FFS-x cable. Other options include direct cabling using a C40-37F-x (which maintains CIO-DIO  
compatibility), or using the C40FF-x cable with the CIO-MINI40 screw terminal board.  
Table 2-4. Auxiliary digital connector pin out  
NC  
NC  
1
3
5
7
9
2
4
6
8
PC +5V  
DIG GND  
FIRSTPORTC Bit 7  
FIRSTPORTC Bit 6  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
• •  
FIRSTPORTB Bit 7  
FIRSTPORTB Bit 6  
FIRSTPORTB Bit 5  
FIRSTPORTB Bit 4 11  
FIRSTPORTB Bit 3 13  
FIRSTPORTB Bit 2 15  
FIRSTPORTB Bit 1 17  
FIRSTPORTB Bit 0 19  
DIG GND 21  
10 FIRSTPORTC Bit 5  
12 FIRSTPORTC Bit 4  
14 FIRSTPORTC Bit 3  
16 FIRSTPORTC Bit 2  
18 FIRSTPORTC Bit 1  
20 FIRSTPORTC Bit 0  
22 FIRSTPORTA Bit 7  
24 FIRSTPORTA Bit 6  
26 FIRSTPORTA Bit 5  
28 FIRSTPORTA Bit 4  
30 FIRSTPORTA Bit 3  
32 FIRSTPORTA Bit 2  
34 FIRSTPORTA Bit 1  
36 FIRSTPORTA Bit 0  
38 NC  
NC 23  
DIG GND 25  
NC 27  
DIG GND 29  
NC 31  
DIG GND 33  
PC +5V 35  
DIG GND 37  
NC 39  
40 NC  
The red stripe  
identifies pin # 1  
2
2
1
1
40  
39  
40  
39  
40-pin Female  
IDC Connector  
40-pin Female  
IDC Connector  
Figure 2-3. C40FF-x cable  
The red stripe  
identifies pin # 1  
1
2
1
20  
37  
19  
40  
39  
40-pin Female  
IDC Connector  
37-pin Female  
Dsub Connector  
Figure 2-4. C40-37F-x cable  
2-7  
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PCI-DAS64/M2/16 User's Guide  
Installing the PCI-DAS64/M2/16  
39  
40  
19  
37  
Key  
20  
1
2
1
The red stripe and arrow  
identify pin # 1  
37-pin Male D Connector  
with Backplate Assembly  
40-pin Female  
IDC Connector  
Figure 2-5. BP40-37 cable  
GND  
+5V  
GND  
NC  
GND  
NC  
GND  
NC  
GND  
FIRSTPORTA BIT 0  
FIRSTPORTA BIT 1  
FIRSTPORTA BIT 2  
FIRSTPORTA BIT 3  
FIRSTPORTA BIT 4  
FIRSTPORTA BIT 5  
FIRSTPORTA BIT 6  
FIRSTPORTA BIT 7  
FIRSTPORTC BIT 0  
FIRSTPORTC BIT 1  
FIRSTPORTC BIT 2  
FIRSTPORTC BIT 3  
FIRSTPORTC BIT 4  
FIRSTPORTC BIT 5  
FIRSTPORTC BIT 6  
FIRSTPORTC BIT 7  
GND  
FIRSTPORTB BIT 1  
FIRSTPORTB BIT 2  
FIRSTPORTB BIT 3  
FIRSTPORTB BIT 4  
FIRSTPORTB BIT 5  
FIRSTPORTB BIT 6  
FIRSTPORTB BIT 7  
NC  
+5V  
Figure 2-6. BP40-37 cable pin out  
2-8  
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PCI-DAS64/M2/16 User's Guide  
Installing the PCI-DAS64/M2/16  
40-pin to 37-pin signal mapping  
Signal mapping on the C40-37F-x and the BP40-37 cables is not 1:1. Table 2-5 lists the pin numbers of the  
signals on the 40-pin end and the pin numbers of the associated signals on the 37-pin end.  
Table 2-5. Signal mapping on the C40-37F-x and BP40-37F cables  
40-pin cable end  
Signal Name  
37-pin cable end  
Signal Name  
Pin  
Pin  
1
2
3
4
5
6
7
8
INTERRUPT IN  
+5V  
INTERRUPT ENABLE  
GND  
1
20  
2
21  
3
22  
4
23  
5
24  
6
25  
7
26  
8
INTERRUPT IN  
+5V  
INTERRUPT ENABLE  
GND  
Port B 7  
Port C 7  
Port B 6  
Port C 6  
Port B 5  
Port C 5  
Port B 4  
Port C 4  
Port B 3  
Port C 3  
Port B 2  
Port C 2  
Port B 1  
Port C 1  
Port B 0  
Port C 0  
GND  
Port A 7  
N/C  
Port A 6  
GND  
Port A 5  
N/C  
Port A 4  
GND  
Port B 7  
Port C 7  
Port B 6  
Port C 6  
Port B 5  
Port C 5  
Port B 4  
Port C 4  
Port B 3  
Port C 3  
Port B 2  
Port C 2  
Port B 1  
Port C 1  
Port B 0  
Port C 0  
GND  
Port A 7  
N/C  
Port A 6  
GND  
Port A 5  
N/C  
Port A 4  
GND  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
27  
9
28  
10  
29  
11  
30  
12  
31  
13  
32  
14  
33  
15  
34  
16  
35  
17  
36  
18  
37  
19  
Port A 3  
N/C  
Port A 2  
GND  
Port A 1  
+5V  
Port A 0  
GND  
Port A 3  
N/C  
Port A 2  
GND  
Port A 1  
+5V  
Port A 0  
GND  
N/C  
N/C  
N/C  
For digital signal conditioning, you can connect the BP40-37 cable to a C37FF-x or C37FFS- x cable, and then  
connect one of these cables to the 37-pin connector on MCC’s digital signal conditioning boards. Refer to page  
2-10 for a list of compatible boards.  
The red stripe  
identifies pin # 1  
1
20  
1
20  
37  
37  
19  
19  
Figure 2-7. C37FF-x cable  
2-9  
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PCI-DAS64/M2/16 User's Guide  
Installing the PCI-DAS64/M2/16  
1
1
20  
20  
37  
37  
19  
19  
Figure 2-8. C37FFS-x cable  
Field wiring, signal termination and conditioning  
You can use the following accessory boards with the C100HD50-x cable.  
!
!
CIO-MINI50 — 50-pin screw terminal board. Details are available on our web site at  
SCB-50 50-conductor, shielded signal connection box. Details are available on our web site at  
You can use the following accessory boards with the C100MMS-x cable.  
!
!
SCB-100 100-conductor, shielded signal connection box. Details are available at  
CIO-TERM100 — 100-pin screw terminal board with positions for pull-up resistors. Details are available on  
You can use the following screw terminal board with the C40FF-x cable.  
!
CIO-MINI40 — 40-pin screw terminal board. Details are available on our web site at  
You can use the following screw terminal boards with the C40-37F-x cable directly, or by combining the  
BP40-37 adapter and C37FF-x or C37FFS-x cable.  
!
!
!
SCB-37 – 37 conductor, shielded signal connection/screw terminal box. Details on are available on our web  
CIO-MINI37 – 37-pin universal screw terminal board. Details are available on our web site at  
CIO-TERMINAL — Universal screw terminal with prototype area and circuitry. Includes a 37-pin screw  
terminal board. Details are available on our web site at  
For digital signal conditioning, you can connect the PCI-DAS64/M2/16 to the following boards using the  
C40-37F-x cable directly or by combining the BP40-37-x cable with the C37FF-x or C37FFS-x cable.  
!
!
!
!
CIO-ERB24 – 24 Form C, 6A relays. Details on this product are available on our web site at  
CIO-ERB08 – Eight Form C, 6A relays. Details are available on our web site at  
SSR-RACK24 – 24-channel solid state module rack. Details are available on our web site at  
SSR-RACK08 – 24-channel solid state module rack. Details are available on our web site at  
2-10  
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Chapter 3  
Programming and Developing Applications  
After following the installation instructions in Chapter 2, your board should now be installed and ready for use.  
Although the board is part of the larger DAS family, in general there may be no correspondence among  
registers for different boards. Software written at the register level for other DAS models will not function  
correctly with your board.  
Programming Languages  
Measurement Computing’s Universal Library™ provides access to board functions from a variety of Windows  
programming languages. If you are planning to write programs, or would like to run the example programs for  
Visual Basicor any other language, please refer to the Universal Library User's Guide (available on our web  
Packaged Applications Programs  
Many packaged application programs, such as SoftWIREand HP-VEE™, now have drivers for your board. If  
the package you own does not have drivers for the board, please fax or e-mail the package name and the  
revision number from the install disks. We will research the package for you and advise how to obtain drivers.  
Some application drivers are included with the Universal Library package, but not with the application package.  
If you have purchased an application package directly from the software vendor, you may need to purchase our  
Universal Library and drivers. Please contact us by phone, fax or e-mail:  
!
!
!
Phone: 508-946-5100 and follow the instructions for reaching Tech Support.  
Fax: 508-946-9500 to the attention of Tech Support  
Register Level Programming  
You should use the Universal Library or one of the packaged application programs mentioned above to control  
your board. Only experienced programmers should try register-level programming. If you need to program at  
the register level in your application, refer to the STC Register Map for the PCI-DAS64/Mx/16 Series (available  
3-1  
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Chapter 4  
Functional Description  
PCI-DAS64/M2/16 block diagram  
The PCI-DAS64/M2/16 is a multifunction measurement and control board that provides the following features:  
!
!
!
!
32 differential or 64 single-ended 16-bit analog inputs  
Two 16-bit analog outputs  
32 digital I/O channels  
One 16-bit counter  
PCI-DAS64/M2/16 functions are illustrated in the block diagram shown here.  
Queue  
Buffer Buffer  
(8K) (8K)  
ADC  
DAC 0/1  
Buffer  
(16K)  
32K x 16  
SRAM  
Gain and Offset Autocal  
Gain and Offset Autocal  
Holding  
REG  
D/A OUT0  
D/A OUT1  
DAC0  
16-bit, 100 kHz  
Mux  
16-bit  
&
Analog In  
Memory Bus  
64-CH single-ended  
ADC  
Gain  
EOC  
DAC1  
16-bit, 100 kHz  
32-CH differential  
2 MHz  
16  
TRIG_LO  
TRIG_HI  
STC  
ADC  
CNTL  
External D/A Trigger/Pacer Gate  
Analog  
Trigger  
Memory  
CNTL  
DAC  
CNTL  
D/A External Pacer In  
DAC Pacer Out  
Trigger  
CNTL  
A/D Start/Stop Trigger  
A/D Pacer Gate  
A/D External Pacer  
SSH Out  
DAC  
Pacer  
Queue  
CNTL  
ADC  
Pacer  
DAC RT  
CNTL  
Sample  
CNTL  
A/D Internal Pacer Out  
Control /  
Status  
Regs  
DMA IRQ  
CTRLCTRL  
Interrupt In  
Decoder  
40 MHz  
24-bits DIO  
PortA  
FIRSTPORTA (7:0)  
FIRSTPORTB (7:0)  
FIRSTPORTC (7:0)  
User  
CNTR  
0
PortB  
PortC  
Local Bus  
16  
DMA  
CH0  
DMA  
CH1  
PCI Bridge  
w/BUS Master  
CTR1 GATE  
CTR1 CLK  
CTR1 OUT  
Boot  
EEPROM  
Inputs  
DIN (3:0)  
Outputs  
DOUT (3:0)  
PCI Bus (5V, 32-bit, 33 MHz)  
Figure 4-1. PCI-DAS64/M2/16 functional bock diagram  
Analog inputs  
The PCI-DAS64/M2/16 provides 32 fully differential or 64 single-ended analog inputs. The input mode is  
software selectable, with no switches or jumpers to set. The PCI-DAS64/M2/16 offers a 2 MHz sample rate.  
The board offers full speed acquisition in single channel scans, and will perform full accuracy multi-channel  
scans of up to 1.5 MHz, depending on the operating mode. An 8 K sample gain/channel queue is available  
making long, complex sample sequencing simple. An 8 K sample FIFO buffer combines with Bus-Master DMA  
and scatter-gather to assure data taken from the board is transferred into computer memory without missing  
samples.  
4-1  
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PCI-DAS64/M2/16 User's Guide  
Functional Description  
Table 4-1 lists the input ranges and resolutions for the available input configurations and gains.  
Table 4-1. Analog input range and resolution configurations  
Bipolar  
Resolution  
Unipolar  
Resolution  
Range  
±5 V  
Range  
0 to 5 V  
153 µV  
76.3 µV  
38.1 µV  
19.1 µV  
76.3 µV  
38.1 µV  
19.1 µV  
±2.5 V  
±1.25 V  
±0.625 V  
0 to 2.5 V  
0 to 1.25 V  
Burst mode  
Channel-to-channel skew is the result of multiplexing the A/D inputs. It is defined as the time between  
consecutive samples. Burst mode minimizes channel-to-channel skew by clocking the A/D at a high rate  
between successive samples within a scan, then waiting a specified time before starting a new scan. The PCI-  
DAS64/M2/16 provides burst mode with a 667 ns minimum sample skew/delay.  
Analog output  
The PCI-DAS64/M2/16 board provides two high-speed, ±5V 16-bit analog outputs. The outputs are updated via  
on-board 16 K FIFO buffer and provide a 100 kHz (max) update rate. Repetitive D/A-based waveforms can be  
stored in on-board memory and generated without requiring ongoing PCI bus transfers. The outputs provide  
rated accuracy to ±15 mA, are short-circuit-protected (25 mA limit) and are cleared to 0 volts on power-up or  
reset. The board supports simultaneous full speed operation of both the A/D and D/A.  
Digital I/O  
The PCI-DAS64/M2/16 provides 32 bits of digital I/O. An 82C55 chip provides 24 bits of CMOS compatible  
I/O at the board’s 40-pin auxiliary digital connector. Four LSTTL-compatible digital inputs and four outputs are  
provided on the main 100-pin connector. On power up or reset, all I/O ports default to the input state (high  
impedance).  
Counter/timer I/O  
The PCI-DAS64/M2/16 provides one 16-bit down counter (1/3 of an 82C54). Clock, gate and output  
connections are available at the 100-pin user I/O connector.  
4-2  
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Chapter 5  
Calibrating the PCI-DAS64/M2/16  
Overview  
The PCI-DAS64/M2/16 provides self-calibration of the analog inputs and outputs, eliminating the need for  
external equipment and user adjustments. All adjustments are made via 8-bit calibration DACs which are  
referenced to an on-board factory-calibrated standard. The board is fully calibrated at the factory with  
calibration coefficients stored in nvRAM. At run time, these calibration factors are loaded into system memory  
and are automatically retrieved each time you specify a different DAC/ADC range.  
You can recalibrate any time using factory voltage standards by selecting the Calibrate option in InstaCal. A  
full calibration typically requires less than two minutes. We strongly recommend that you turn your computer  
on, and allow at least 60 minutes for the internal computer case temperature to stabilize prior to calibrating (or  
acquiring data with) the board.  
A/D calibration is performed at user-selectable conversion frequencies. This is required to reduce any  
frequency-dependent offset effects across the operating range. When you pull down the Calibrate menu option  
and click on A/D, a dialog opens for you to select a calibration frequency (see Figure 5-1). We recommend that  
you select a frequency as close as possible to the applications’ sampling frequency.  
Figure 5-1. InstaCal Calibration Frequency dialog  
Table 5-1 lists the available calibration frequencies and recommended sampling frequency ranges. Using this  
table as a guide, a ±1 LSB offset error relative to the calibrated offset is maintained over a given sampling  
frequency range. We recommend that you perform A/D calibration at 100 kHz if you intend to use the entire  
sampling frequency range but do not want to re-calibrate for a given sampling frequency span. In that case, you  
can expect a ±6 LSB offset drift with respect to the calibrated offset over the full 10 Hz to 2 MHz range.  
5-1  
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PCI-DAS64/M2/16 User's Guide  
Calibrating the PCI-DAS64/M2/16  
Table 5-1. Recommended A/D calibration frequencies  
Calibration Frequency (kHz)  
Min Sampling Frequency (kHz)  
Max Sampling Frequency (kHz)  
2
0.01  
6
6
15  
30  
50  
30  
70  
100  
300  
650  
1250  
1850  
70  
200  
400  
1000  
1500  
2000  
200  
400  
1000  
1500  
For best results, calibrate the board immediately prior to making your measurements. The high-resolution  
analog components on the board are somewhat sensitive to temperature and this pre-measurement calibration  
helps assure your board operates at the same temperature at which it was calibrated.  
Calibration theory  
Offset calibration for the analog front end is performed via adjustments of the ADC itself. Front-end gain  
adjustment is performed only via the ADC reference. This strategy was chosen since the gain tolerance of the  
in-amp circuit is quite good and there is adequate gain tuning range using only the ADC.  
A block diagram of the analog front-end calibration system is shown in Figure 5-2.  
Analog In  
ADC  
Calibration  
Reference  
Gain  
Offset  
Adjust  
MUX  
Adjust  
Trim DAC  
Coarse  
Trim DAC  
Fine  
Trim DAC  
Coarse  
Trim DAC  
Fine  
Figure 5-2. Analog front-end calibration system  
5-2  
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PCI-DAS64/M2/16 User's Guide  
Calibrating the PCI-DAS64/M2/16  
The analog output circuits are calibrated for gain and offset. Gain calibration of the analog outputs is performed  
via DAC reference adjustments. Offset adjustments for the analog outputs are made in the output buffer section.  
The tuning range of this adjustment yields maximum DAC and output buffer offsets.  
The calibration scheme for the analog out section is shown in Figure 5-3. This circuit is duplicated for both  
DAC0 and DAC1  
Analog  
Out  
DAC  
Ref  
Gain  
Adjust  
Offset  
Adjust  
Trim DAC  
Coarse  
Trim DAC  
Coarse  
Trim DAC  
Fine  
Trim DAC  
Fine  
Figure 5-3. Analog out calibration  
5-3  
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Chapter 6  
Specifications  
Typical for 25 °C unless otherwise specified.  
Specifications in italic text are guaranteed by design.  
Analog input  
Table 1. Analog input specifications  
Sub-ranging sampling ADC  
A/D converter type  
Resolution  
16 bits  
Number of channels  
32 differential or 64 single-ended, software selectable  
±5 V, ±2.5 V, ±1.25 V, ±0.625 V, 0 to 5 V, 0 to 2.5 V, 0 to 1.25 V  
Input ranges  
(software programmable)  
Polarity  
Unipolar/bipolar, software selectable  
! Internal counter – ASIC  
A/D pacing  
! External source (A/D external pacer). The total number of sample clocks must be at least  
5 greater than the total number of samples desired. This is required to accommodate the  
pipelined architecture of the ADC.  
(software programmable)  
! Software polled  
Burst mode  
Software selectable option. Valid for a fixed input range only.  
Burst rate = 667 nS.  
! External digital (A/D pacer gate)  
! External analog (analog trigger in)  
External digital: Programmable, active high or active low, level or edge  
A/D gate sources  
A/D gating modes  
External analog: Software-configurable for:  
! Above or below reference  
! Positive or negative hysteresis  
! In or out of window.  
Trigger levels set by DAC0 and/or DAC1.  
! External digital (A/D start trigger in and A/D stop trigger in)  
! External analog (Analog Trigger In)  
A/D trigger sources  
! External digital: Software-configurable for rising or falling edge.  
! External analog: Software-configurable for positive or negative slope. Trigger levels set  
by DAC0 and/or DAC1.  
A/D triggering modes  
! Pre-/post-trigger: Unlimited number of pre-trigger samples, 16 Meg post-trigger  
samples. Compatible with both digital and analog trigger options.  
! From 8 k RAM buffer via DMA (demand or non-demand mode) using scatter gather.  
! Programmed I/O  
Data transfer  
Configuration memory  
Channel/gain queue  
A/D conversion time  
Calibration  
8 K words  
Up to 8 K elements. Programmable channel, gain, and offset.  
500 nS  
Auto-calibration, calibration factors for each range stored on board in non-volatile RAM.  
6-4  
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PCI-DAS64/M2/16 User's Guide  
Specifications  
System throughput  
Table 2. System throughput specifications  
Condition  
Calibration coefficients  
Max ADC  
rate  
1. Single channel, single input range.  
Per specified range  
2.0 MS/s  
1.5 MS/s  
2. Multiple-channel, single-input range: ±5 V,  
±2.5 V, ±1.25 V, 0 to 5 V, 0 to 2.5 V  
3. Multiple channel, single input range: ±0.625 V, 0  
to 1.25 V  
Per specified range  
Per specified range  
750 kS/s  
4. Single channel, multiple input ranges.  
500 kS/s  
500 kS/s  
Default to value for cbAInScan() range  
5. Multiple channels, multiple ranges. All samples in  
unipolar or bipolar bode.  
Default to value for cbAInScan() range  
6. Multiple channels, multiple ranges. All samples in  
unipolar and/or bipolar bode.  
7. Multiple-channel, switching unipolar/bipolar  
mode, single-input range.  
500 kS/s  
750 kS/s  
Default to value for cbAInScan() range  
Default to value for cbAInScan() range  
Note 1: For conditions 1-3, specified accuracy is maintained at rated throughput. Conditions 4-7 apply  
calibration coefficients which correspond to the range value selected in cbAInScan(). These  
coefficients remain unchanged throughout the scan. Errors of up to 25 counts may be incurred  
when switching gains while in bipolar or unipolar mode only (conditions 4 and 5). Errors of up to  
500 counts may be incurred when mixing unipolar/bipolar modes (conditions 6 and 7).  
Accuracy  
A 100 kS/s sampling rate, single-channel operation and a 60-minute warm-up. Accuracies are listed for  
operational temperatures within ±2ºC of internal calibration temperature. Calibrator test source high side tied to  
channel 0 and low side tied to low-level ground at the user connector  
Table 3. Analog input — absolute accuracy specifications  
Range  
Absolute accuracy  
±5.000 V  
±6.0 LSB  
±8.0 LSB  
±8.0 LSB  
±10.0 LSB  
±8.0 LSB  
±11.0 LSB  
±13.0 LSB  
±2.500 V  
±1.250 V  
±0.625 V  
0 V to +5.000 V  
0 V to +2.500 V  
0 V to +1.250 V  
Table 4. Analog input — typical accuracy specifications  
Range  
Typical accuracy  
±5.000 V  
±5.5 LSB  
±7.5 LSB  
±7.5 LSB  
±9.5 LSB  
±7.5 LSB  
±10.5 LSB  
±12.5 LSB  
±2.500 V  
±1.250 V  
±0.625 V  
0 V to +5.000 V  
0 V to +2.500 V  
0 V to +1.250 V  
Each PCI-DAS64/M2/16 is tested at the factory to assure the board’s overall error does not exceed accuracy  
limits shown in Table 3.  
6-5  
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PCI-DAS64/M2/16 User's Guide  
Specifications  
Typical accuracy is derived directly from the various component typical errors. The information in Table 4  
assumes that each of the errors contributes in the same direction.  
Table 5. Analog input — accuracy components specifications  
Range  
Gain error  
Offset error  
DLE  
ILE  
±5.000 V  
±3.0 max, ±2.0 typ  
±3.0 max, ±2.0 typ  
±3.0 max, ±2.0 typ  
±5.0 max, ±4.0 typ  
±4.0 max, ±3.0 typ  
±6.0 max, ±5.0 typ  
±6.0 max, ±5.0 typ  
±3.0 max, ±2.0 typ  
±5.0 max, ±4.0 typ  
±5.0 max, ±4.0 typ  
±5.0 max, ±4.0 typ  
±4.0 max, ±3.0 typ  
±5.0 max, ±4.0 typ  
±5.0 max, ±4.0 typ  
±1.0 max, ±0.5 typ  
±1.0 max, ±0.5 typ  
±1.0 max, ±0.5 typ  
±1.0 max, ±0.5 typ  
±1.0 max, ±0.5 typ  
±1.0 max, ±0.5 typ  
±1.0 max, ±0.5 typ  
±2 max, ±1.0 typ  
±2 max, ±1.0 typ  
±2 max, ±1.0 typ  
±2 max, ±1.0 typ  
±2 max, ±1.0 typ  
±2 max, ±1.0 typ  
±2 max, ±1.0 typ  
±2.500 V  
±1.250 V  
±0.625 V  
0 to + 5.000 V  
0 to + 2.500 V  
0 to + 1.250 V  
As shown in Table 5, total board error is a combination of gain, offset, differential linearity error (DLE), and  
integral linearity error (ILE). The theoretical worst-case error of the board can be calculated by summing these  
component errors. Worst-case errors are realized only in the unlikely event that each of the component errors  
are at their maximum level, and causing error in the same direction.  
Crosstalk  
Crosstalk is defined here as the influence of one channel upon another when scanning two channels at the  
maximum rate. A full-scale 100 Hz triangle wave is input on channel 1, and channel 0 is tied to analog ground  
at the 100-pin user connector. Table 6 summarizes the influence of channel 1 on channel 0 with the effects of  
noise removed. The residue on channel 0 is described in LSBs.  
Table 6. Crosstalk specifications  
Range  
Crosstalk (LSB pk-pk  
)
Per channel rate (kS/s)  
ADC rate (kS/s)  
±5.000 V  
15  
15  
20  
8
750  
750  
750  
375  
750  
750  
375  
1500  
1500  
1500  
750  
±2.500 V  
±1.250 V  
±0.625 V  
0 V to + 5.000 V  
0 V to + 2.500 V  
0 V to + 1.250 V  
15  
20  
8
1500  
1500  
750  
Table 7. Analog input drift specifications  
Analog input full-scale gain drift  
Analog input zero drift  
Overall analog input drift  
Common mode range  
CMRR @ 60Hz  
+0.3 LSB/°C typical  
+2.1 LSB/°C typical  
±2.4 LSB/°C typical  
±5 V  
-90 dB  
Input leakage current  
Input impedance  
2.3 nA  
10 x 1011  
Absolute maximum input voltage  
Warm-up time  
±15 V  
60 minutes  
6-6  
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PCI-DAS64/M2/16 User's Guide  
Specifications  
Noise performance  
Table 8 summarizes the worst case noise performance for the PCI-DAS64/M2/16. Noise distribution is  
determined by gathering 50 K samples with inputs tied to ground at the user connector. Samples are gathered at  
the maximum specified single-channel sampling rate. Specification applies to both single-ended and differential  
modes of operation.  
Table 8. Noise performance specifications  
Range  
±2 counts  
±1 count  
MaxCounts  
LSBrms (Note 2)  
± 5.000 V  
60%  
60%  
60%  
45%  
60%  
60%  
45%  
40%  
40%  
40%  
30%  
40%  
40%  
30%  
22  
24  
26  
32  
24  
26  
32  
3.3  
3.6  
3.9  
4.8  
3.6  
3.9  
4.8  
± 2.500 V  
± 1.250 V  
± 0.625 V  
0 to +5.000 V  
0 to +2.500 V  
0 to +1.250 V  
Note 2: RMS noise is defined as the peak-to-peak bin spread divided by 6.6.  
Analog output  
Table 9. Analog output specifications  
Resolution  
16-bits  
Number of channels  
Voltage range  
2
±5 V  
Monotonicity  
Guaranteed monotonic over temperature  
Analog output zero drift  
Overall analog output drift  
Slew rate  
±1.6 LSB/°C  
±4.0 LSB/°C  
2.5 V/µs  
Settling time  
FS step to .0008%: 6µs max, all ranges  
Current drive  
±15 mA  
Output short-circuit duration  
Output coupling  
Output impedance  
Power up and reset  
Indefinite @25 mA  
DC  
0.1  
DACs cleared to 0 V±75 mV max  
Accuracy  
Table 10. Analog output — absolute accuracy specifications  
Range  
Absolute accuracy  
±16.0 LSB  
Table 11 Analog output — accuracy components specifications  
± 5 V  
Range  
Gain error (LSB)  
Offset error (LSB)  
DLE (LSB)  
ILE (LSB)  
±5.0 V  
±10.0 max  
±5.0 max  
±1.0 max  
±1.0 max  
Each PCI-DAS64/M2/16 is tested at the factory to assure the board’s overall error does not exceed the absolute  
accuracy limits listed in Table 10.  
6-7  
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PCI-DAS64/M2/16 User's Guide  
Specifications  
Analog output pacing and triggering  
Table 12. Analog output pacing and triggering specifications  
Internal counter – ASIC  
D/A pacing  
(software-programmable)  
External source (D/A external pacer)  
Software paced  
D/A gate sources  
(software-programmable)  
External digital (external D/A trigger/pacer gate)  
External analog (analog trigger in)  
D/A gating modes  
External digital: Programmable, active high or active low, level or edge  
External analog: Software-configurable for above or below reference. Gating levels are  
set by DAC0 or DAC1.  
D/A trigger sources  
External digital (external D/A trigger/pacer gate)  
Software triggered  
D/A triggering modes  
Data transfer  
External digital: Software-configurable for rising or falling edge.  
From 16 k RAM buffer via DMA (demand or non-demand mode) using scatter gather.  
Programmed I/O  
100 kS/s max per channel  
Digital input/output  
Table 13. Digital I/O specifications  
Digital type (main connector)  
Configuration  
Output: 74LS175  
Input: 74LS244  
Four inputs, four outputs (DIN0 through DIN3; DOUT0 to DOUT3)  
Output high voltage (IOH = -0.4 mA)  
Output low voltage (IOL = 8 mA)  
Input high voltage  
2.7 V min  
0.5 V max  
2.0 V min, 7 volts absolute max  
0.8 V max, –0.5 volts absolute min  
82C55  
Input low voltage  
Digital type (digital I/O connector)  
Number of I/O  
24 (FIRSTPORTA Bit 0 through FIRSTPORTC Bit 7)  
2 banks of 8 and 2 banks of 4, or  
3 banks of 8 or  
Configuration  
2 banks of 8 with handshake  
2.0 V min, 5.5 V absolute max  
0.8 V max, –0.5 V absolute min  
3.0 V min  
Input high voltage  
Input low voltage  
Output high voltage (IOH = -2.5 mA)  
Output low voltage (IOL = 2.5 mA)  
Power-up / reset state  
SSH output  
0.4 V max  
Input mode (high impedance)  
TTL compatible output, HOLD is asserted from start of the conversion for  
Channel 0 through conversion of the last channel in the scan. Available at user  
connector (SSH OUT / D/A PACER OUT). This pin is software selectable as  
SSH OUT (default) or D/A PACER OUT.  
SSH polarity  
HOLD high (default) or HOLD low, software selectable  
6-8  
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PCI-DAS64/M2/16 User's Guide  
Specifications  
Interrupts  
Table 14. Interrupt specifications  
Interrupts  
PCI INTA# - Mapped to IRQn via PCI BIOS at boot-time  
Interrupt enable  
ADC interrupt  
Programmable through PLX9080  
DAQ_ACTIVE:  
DAQ_STOP:  
Interrupt is generated when a DAQ sequence is active.  
Interrupt is generated when A/D Stop Trigger In is detected.  
DAQ_DONE:  
Interrupt is generated when a DAQ sequence completes.  
Interrupt is generated when ADC FIFO is ¼ full.  
Interrupt is generated after each conversion completes.  
DAQ_FIFO_1/4_FULL:  
DAQ_SINGLE:  
DAQ_EOSCAN:  
Interrupt is generated after the last channel is converted in  
multi-channel scans.  
DAQ_EOSEQ:  
Interrupt is generated after each interval delay during multi-  
channel scans.  
DAC interrupt sources  
(software-programmable)  
DAC_ACTIVE:  
DAC_DONE:  
Interrupt is generated when DAC waveform circuitry is active.  
Interrupt is generated when a DAC sequence completes.  
DAC_FIFO_1/4_EMPTY: Interrupt is generated DAC FIFO is ¼ empty.  
DAC_HIGH_CHANNEL: Interrupt is generated when the DAC high channel output is  
updated.  
DAC_RETRANSMIT:  
Interrupt is generated when the end of a waveform sequence  
has occurred in retransmit mode.  
External interrupt  
Interrupt is generated via edge-sensitive transition on the External Interrupt pin.  
Rising/falling edge polarity software selectable.  
Counters  
Table 15. Counter specifications  
User counter type  
Configuration  
82C54  
One down counter, 16-bits. Counters 2 and 3 not used.  
External, from connector (CTR1 CLK)  
Available at connector (CTR1 GATE).  
Available at connector (CTR1 OUT).  
10 MHz max  
Counter 1 source  
Counter 1 gate  
Counter 1 output  
Clock input frequency  
High pulse width  
(clock input)  
30 nS min  
Low pulse width  
(clock input)  
50 nS min  
Gate width high  
Gate width low  
50 nS min  
50 nS min  
0.8 V max  
2.0 V min  
0.4 V max  
3.0 V min  
Input low voltage  
Input high voltage  
Output low voltage  
Output high voltage  
6-9  
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PCI-DAS64/M2/16 User's Guide  
Specifications  
Pacer  
Table 16. Pacer specifications  
ASIC  
ADC pacer type  
Configuration  
One down counter, 24 bits (1 scan interval, 1 sample interval)  
40 MHz internal source  
ADC pacer source  
ADC pacer gate  
ADC pacer out  
DAC pacer type  
Configuration  
Internally controlled by software/hardware trigger.  
ADC pacer clock, available at user connector (A/D PACER OUT)  
ASIC  
One down counter, 24 bits (1 scan interval, 1 sample interval)  
40 MHz or 100 kHz internal source. Software-selectable.  
Internally controlled by software/hardware trigger.  
DAC pacer source  
DAC pacer gate  
DAC pacer out  
DAC pacer clock. Available at user connector (SSH OUT / D/A PACER OUT). This  
pin is software selectable as SSH OUT (default) or D/A PACER OUT.  
Internal pacer crystal oscillator  
Frequency accuracy  
40 MHz  
50 ppm  
Power consumption  
Table 17. Power specifications  
+5 V  
2.9 A typical, 3.3 A max  
10 mA max.  
+12 V  
Environmental  
Table 18. Environmental specifications  
Operating temperature range  
Storage temperature range  
Humidity  
0 to 50 °C  
-40 to 100 °C  
0 to 95% non-condensing  
Mechanical  
Table 19. Mechanical specifications  
Card dimensions  
315 mm (L) x 100.6 mm (W) x 16 mm (H)  
Main connector and pin out  
Table 20. Main connector and pinout specifications  
Parameter  
Specification  
Connector type  
Shielded SCSI 100-pin D-type  
C100HD50-x, unshielded ribbon cable. x = 3 or 6 feet.  
C100MMS-x, shielded round cable. x = 1, 2, or 3 meters.  
CIO-MINI50 (two required)  
SCB-50  
Compatible cables  
Compatible accessory products  
using the C100HD50-x cable  
Compatible accessory products  
using the C100MMS-x cable  
CIO-TERM100  
SCB-100  
6-10  
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PCI-DAS64/M2/16 User's Guide  
Specifications  
Differential mode pin out  
Table 21. 32-channel differential mode pin out  
Pin  
1
2
3
4
5
6
7
8
Signal Name  
GND  
CTR1 OUT  
CTR1 CLK  
CTR1 GATE  
DOUT3  
DOUT2  
DOUT1  
DOUT0  
DIN3  
DIN2  
DIN1  
DIN0  
GND  
-12 V  
GND  
+12 V  
CH31 IN LO  
CH30 IN LO  
CH29 IN LO  
CH28 IN LO  
CH27 IN LO  
CH26 IN LO  
CH25 IN LO  
CH24 IN LO  
CH23 IN LO  
CH22 IN LO  
CH21 IN LO  
CH20 IN LO  
CH19 IN LO  
CH18 IN LO  
CH17 IN LO  
CH16 IN LO  
LLGND  
CH15 IN LO  
CH14 IN LO  
CH13 IN LO  
CH12 IN LO  
CH11 IN LO  
CH10 IN LO  
CH9 IN LO  
CH8 IN LO  
CH7 IN LO  
CH6 IN LO  
CH5 IN LO  
CH4 IN LO  
CH3 IN LO  
CH2 IN LO  
CH1 IN LO  
CH0 IN LO  
GND  
Pin  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
73  
74  
75  
76  
77  
78  
79  
80  
81  
82  
83  
84  
85  
86  
87  
88  
89  
90  
91  
92  
93  
94  
95  
96  
97  
98  
99  
100  
Signal Name  
GND  
EXTERNAL INTERRUPT  
A/D EXTERNAL PACER  
A/D STOP TRIGGER IN  
A/D START TRIGGER IN  
ANALOG TRIGGER IN  
A/D PACER GATE  
A/D PACER OUT  
SSH OUT / D/A PACER OUT  
EXTERNAL D/A TRIGGER/PACER GATE  
D/A EXTERNAL PACER  
PC +5 V  
D/A OUT 1  
D/A GND 1  
D/A OUT 0  
D/A GND 0  
CH31 IN HI  
CH30 IN HI  
CH29 IN HI  
CH28 IN HI  
CH27 IN HI  
CH26 IN HI  
CH25 IN HI  
CH24 IN HI  
CH23 IN HI  
CH22 IN HI  
CH21 IN HI  
CH20 IN HI  
CH19 IN HI  
CH18 IN HI  
CH17 IN HI  
CH16 IN HI  
LLGND  
CH15 IN HI  
CH14 IN HI  
CH13 IN HI  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
CH12 IN HI  
CH11 IN HI  
CH10 IN HI  
CH9 IN HI  
CH8 IN HI  
CH7 IN HI  
CH6 IN HI  
CH5 IN HI  
CH4 IN HI  
CH3 IN HI  
CH2 IN HI  
CH1 IN HI  
CH0 IN HI  
LLGND  
6-11  
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PCI-DAS64/M2/16 User's Guide  
Specifications  
Single-ended mode pin out  
Table 22. 64-channel single-ended mode pin out  
Pin  
1
2
3
4
5
6
7
8
Signal name  
GND  
Pin  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
73  
74  
75  
76  
77  
78  
79  
80  
81  
82  
83  
84  
85  
86  
87  
88  
89  
90  
91  
92  
93  
94  
95  
96  
97  
98  
99  
100  
Signal name  
GND  
CTR1 OUT  
CTR1 CLK  
CTR1 GATE  
DOUT3  
DOUT2  
DOUT1  
DOUT0  
DIN3  
DIN2  
DIN1  
DIN0  
GND  
EXTERNAL INTERRUPT  
A/D EXTERNAL PACER  
A/D STOP TRIGGER IN  
A/D START TRIGGER IN  
ANALOG TRIGGER IN  
A/D PACER GATE  
A/D PACER OUT  
SSH OUT / D/A PACER OUT  
EXTERNAL D/A TRIGGER/PACER GATE  
D/A EXTERNAL PACER  
PC +5 V  
D/A OUT 1  
D/A GND 1  
D/A OUT 0  
D/A GND 0  
CH31 IN  
CH30 IN  
CH29 IN  
CH28 IN  
CH27 IN  
CH26 IN  
CH25 IN  
CH24 IN  
CH23 IN  
CH22 IN  
CH21 IN  
CH20 IN  
CH19 IN  
CH18 IN  
CH17 IN  
CH16 IN  
LLGND  
CH15 IN  
CH14 IN  
CH13 IN  
CH12 IN  
CH11 IN  
CH10 IN  
CH9 IN  
CH8 IN  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
-12 V  
GND  
+12 V  
CH63 IN  
CH62 IN  
CH61 IN  
CH60 IN  
CH59 IN  
CH58 IN  
CH57 IN  
CH56 IN  
CH55 IN  
CH54 IN  
CH53 IN  
CH52 IN  
CH51 IN  
CH50 IN  
CH49 IN  
CH48 IN  
LLGND  
CH47 IN  
CH46 IN  
CH45 IN  
CH44 IN  
CH43 IN  
CH42 IN  
CH41 IN  
CH40 IN  
CH39 IN  
CH38 IN  
CH37 IN  
CH36 IN  
CH35 IN  
CH34 IN  
CH33 IN  
CH32 IN  
GND  
CH7 IN  
CH6 IN  
CH5 IN  
CH4 IN  
CH3 IN  
CH2 IN  
CH1 IN  
CH0 IN  
LLGND  
6-12  
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PCI-DAS64/M2/16 User's Guide  
Specifications  
Digital input/output connector and pin out  
Table 23. Digital I/O connector specifications  
Connector type  
40-pin header  
Connector compatibility  
Compatible cable  
Translates to standard CIO-DIO24 type using BP40-37  
C40FF-2  
Compatible accessory products  
CIO-MINI40  
Table 24. Digital I/O connector pin out  
Pin  
1
Signal name  
NC  
Pin  
2
Signal name  
PC +5 V  
3
NC  
4
DIG GND  
5
7
9
FIRSTPORTB Bit 7  
FIRSTPORTB Bit 6  
FIRSTPORTB Bit 5  
FIRSTPORTB Bit 4  
FIRSTPORTB Bit 3  
FIRSTPORTB Bit 2  
FIRSTPORTB Bit 1  
FIRSTPORTB Bit 0  
DIG GND  
NC  
DIG GND  
NC  
DIG GND  
6
8
FIRSTPORTC Bit 7  
FIRSTPORTC Bit 6  
FIRSTPORTC Bit 5  
FIRSTPORTC Bit 4  
FIRSTPORTC Bit 3  
FIRSTPORTC Bit 2  
FIRSTPORTC Bit 1  
FIRSTPORTC Bit 0  
FIRSTPORTA Bit 7  
FIRSTPORTA Bit 6  
FIRSTPORTA Bit 5  
FIRSTPORTA Bit 4  
FIRSTPORTA Bit 3  
FIRSTPORTA Bit 2  
FIRSTPORTA Bit 1  
FIRSTPORTA Bit 0  
NC  
10  
12  
14  
16  
18  
20  
22  
24  
26  
28  
30  
32  
34  
36  
38  
40  
11  
13  
15  
17  
19  
21  
23  
25  
27  
29  
31  
33  
35  
37  
39  
NC  
DIG GND  
PC +5 V  
DIG GND  
NC  
NC  
6-13  
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Declaration of Conformity  
Manufacturer:  
Address:  
Measurement Computing Corporation  
10 Commerce Way  
Suite 1008  
Norton, MA 02766  
USA  
Category:  
Electrical equipment for measurement, control and laboratory use.  
Measurement Computing Corporation declares under sole responsibility that the product  
PCI-DAS64/M2/16  
to which this declaration relates is in conformity with the relevant provisions of the following standards or other  
documents:  
EU EMC Directive 89/336/EEC: Electromagnetic Compatibility, EN55022 (1995), EN55024 (1998)  
Emissions: Group 1, Class B  
!
EN55022 (1995): Radiated and Conducted emissions.  
Immunity: EN55024  
!
!
!
!
!
!
!
EN61000-4-2 (1995): Electrostatic Discharge immunity, Criteria A.  
EN61000-4-3 (1997): Radiated Electromagnetic Field immunity Criteria A.  
EN61000-4-4 (1995): Electric Fast Transient Burst immunity Criteria A.  
EN61000-4-5 (1995): Surge immunity Criteria A.  
EN61000-4-6 (1996): Radio Frequency Common Mode immunity Criteria A.  
EN61000-4-8 (1994): Power Frequency Magnetic Field immunity Criteria A.  
EN61000-4-11 (1994): Voltage Dip and Interrupt immunity Criteria A.  
Declaration of Conformity based on tests conducted by Chomerics Test Services, Woburn, MA 01801, USA in  
September, 2001. Test records are outlined in Chomerics Test Report #EMI3053.01.  
We hereby declare that the equipment specified conforms to the above Directives and Standards.  
Carl Haapaoja, Director of Quality Assurance  
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Measurement Computing Corporation  
10 Commerce Way  
Suite 1008  
Norton, Massachusetts 02766  
(508) 946-5100  
Fax: (508) 946-9500  
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