Murphy Network Card AS705S User Manual

M011101  
R
Issue 6, revised 06/99  
The Generator Controls Division of  
Catalogue section 75  
(MS5258)  
AUTOSTART 705 (AS705S series)  
PROGRAMMABLE GENERATOR CONTROLLER  
The Autostart 705 provides the control features for the  
automatic or manual starting, load transfer and shutdown of  
a standby diesel generator or pump. The AS705 is a micro-  
processor based controller, giving full programmability of  
timers, trip levels and control options, with front facia LEDs  
for the indication of generator status and faults.  
Key features  
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·
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Automatic or manual operation, selected by rotary switch  
(key-switch available as an option).  
17 LED status and fault indicators, including 5 LEDs  
for custom programming and labelling  
RS232 communications link for engine monitoring,  
control and Autostart programming from local PC  
Comprehensive fault protection and alarm system:–  
low oil pressure, high engine temperature, overspeed,  
underspeed, charge fail, emergency stop, start fail, high  
and low battery voltage, 3 programmable fault inputs.  
Product Specification  
Power supply:  
·
·
·
6 programmable outputs, allowing remote signalling  
and control of over 30 different functions.  
Operating voltage: steady state range  
crank brown-out  
Current consumption  
5 – 40 V DC continuous  
to 0V for <= 100 mSec  
typically 150 mA  
Pin compatibility with Autostart 710 and Keystart 9700  
ranges, allowing standardisation of panel wiring.  
Inputs:  
96 x 96mm DIN standard, front panel mounted case  
DC inputs (inputs 1 - 5, remote start)  
positive input voltage range  
negative input voltage range  
Generator AC input:-  
Operation  
80% to 100% of battery +ve  
–1V to +2V w.r.t. battery –ve  
Autostart’s operating mode is selected by use of its  
3 position front facia switch:–  
operating voltage range  
frequency measurement range  
Magnetic pickup:-  
operating voltage range  
frequency measurement range  
90 – 300 V AC rms  
0 – 99 Hz.  
Off/reset. Disables the engine and resets a  
latched fault condition.  
Automatic start-up, load transfer and return to  
standby in response to a mains fail or remote  
start condition, with full fault protection.  
7 – 80 V AC rms  
0 to 10 kHz  
Outputs:  
(all ratings for resistive load)  
Manual start and stop of the generator, either  
immediately on selecting manual mode or by  
use of remote push button switches.  
Start and fuel relays  
+ ve DC (switched SPNO contact)  
rated 16A max. @ 24V DC  
– ve DC (open collector transistor)  
rated 250mA max. @ 33 VDC  
– ve DC (switched SPNO contact)  
rated 5A max. @ 24V DC  
Programmable outputs 1 – 3  
Programmable output 4  
Green and amber LEDs around the switch indicate the  
selection of Auto and Manual modes. On keyswitch  
versions, the key is common to all units and may be  
removed in the Off and Auto positions only.  
Programmable output 5  
(default setting: Common Alarm)  
Programmable output 6  
(default setting: Gen. contactor)  
Auto & Manual outputs  
+ ve DC (switched SPNO contact)  
rated 5A max. @ 24V DC  
Control Outputs  
The following are provided:-  
volt free SPNO contacts  
rated 5A max. @ 240V AC  
+ ve DC, 250mA max.  
· Single pole, switched +ve relay outputs for the control  
of engine fuel and starter motor circuits.  
· Switched +ve outputs for signalling auto and manual  
Off/reset output  
– ve DC, 250mA max.  
modes, plus a –ve DC output for Off/reset.  
Physical:  
· 6 function programmable outputs (see overleaf).  
Fault Protection and Alarm System  
Overall dimensions (W x H x D)  
Panel cut-out size  
Weight  
Operating ambient temperature  
Case sealing  
96 x 96 x 162 mm  
DIN standard 92 x 92 mm  
approx. 650 g  
In Auto or Manual modes, Autostart will shut down and latch  
out the generator on detection of low oil pressure, high  
engine temperature, overspeed, start fail or emergency  
stop faults. The Autostart may also be set up to shut down  
the generator on low generator frequency or speed.  
–10 to +55 oC  
IP22  
3 additional inputs may be used with remote fault switches  
(giving a ‘shutdown’ or ‘warning’ response), or as control  
inputs with remote contacts or panel switches (see overleaf).  
In order to consistently bring you the highest quality,  
full featured products, we reserve the right to change our  
specifications and designs at any time.  
Non-latching, 'warning only' alarms are fitted for high and  
low battery volts, charge fail and mag. pickup fail conditions.  
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