Bosch Appliances Microphone PLE 2CS User Manual

6.5 Environmental conditions ................................................................................................................................................... 15

6.6 Certifications and Approvals ............................................................................................................................................. 15

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Plena Two-zone Call Station | Installation and User Instructions | Table of contents

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Plena Two-zone Call Station | Installation and User Instructions | Introduction

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Introduction

1.6

Icons

1.6.1 Note icons

1.1

Purpose

The icons used in combination with Notes provide extra

information about the Note. See the following

examples:

The purpose of these Installation and User Instructions

is to provide information that is required to install,

configure and operate a Plena Two-zone Call Station.

1.2

Digital document

Note

General icon for notes.

These Installation and User Instructions are also

available as a digital document in the Adobe Portable

Document Format (PDF). All references to pages,

figures, tables, etc. in this digital document contain

hyperlinks to the referenced location.

Note

Consult the indicated source of information.

1.3

Intended audience

These Installation and User Instructions are intended

for installers and users of a Plena Two-zone Call Station.

1.6.2 Caution, Warning, and Danger

icons

The icons used in combination with Caution, Warnings,

and Dangers indicate the type of hazard present. See the

following examples:

1.4

Related documentation

Safety Instructions (9922 141 ****).

1.5

Alerts

Four types of alerts are used in this manual. The alert

type is closely related to the effect that may be caused if

it is not observed. These alerts - from least severe effect

to most severe effect - are:

Caution, Warning, Danger

General icon for Cautions, Warnings and

Dangers.

•

Note

Alert containing additional information. Usually, not

observing a note alert does not result in damage to

the equipment or personal injuries.

Caution

The equipment can be damaged if the alert is not

observed.

Caution, Warning, Danger

Icon for risk of electric shock.

•

Warning

Caution, Warning, Danger

Icon for risk of electrostatic discharge.

Persons can be (severely) injured, or the equipment

can be seriously damaged, if the alert is not

observed.

•

Danger

Not observing the alert can result in death.

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Plena Two-zone Call Station | Installation and User Instructions | Introduction

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1.7

Conversion tables

In this manual, SI units are used to express lengths,

masses, temperatures etc. These can be converted to

non-metric units using the following information.

table 1.1: Conversion of units of length

1 in =

1 ft =

1 mi =

25.4 mm

2.54 cm

0.3048 m

1.609 km

1 mm =

1 cm =

1 m =

0.03937 in

0.3937 in

3.281 ft

1 km =

0.622 mi

table 1.2: Conversion of units of mass

1 lb = 0.4536 kg 1 kg =

2,2046 lb

0.0145 psi

table 1.3: Conversion of units of pressure

1 psi = 68.95 hPa 1 hPa =

Note

1 hPa = 1 mbar.

table 1.4: Conversion of units of temperature

°C = ⋅ (°F – 32)

°F = ⋅ °C + 32

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Plena Two-zone Call Station | Installation and User Instructions | Description

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Description

The Plena Two-zone Call Station features:

•

a selectable microphone gain level, a selectable

speech filter, and a limiter for improved intelligibility

a balanced line level output. See section 2.3.1.

two loop-through RJ-45 sockets. See section 2.3.2.

DIP switches and status LEDs. See section 2.3.3.

a push-to-talk (PTT) button. See section 2.3.4.

2.1

The Plena product range

•

The Plena Two-zone Call Station is part of the Plena

product range. Plena provides public address solutions

for places where people gather to work, worship, trade,

or relax. It is a family of system elements that are

combined to create public address systems tailored for

virtually any application

For a detailed description of all controls, connections

and indicators, see section 2.4.

The Plena product range includes:

2.3.1 Balanced line level output

The Plena Two-zone Call Station has a balanced line

level output, giving it a maximum range of 200 m from

the controller when using Cat-5 Ethernet cables.

•

mixers

mixer amplifiers

preamplifiers

power amplifiers

a music source unit

a digital message manager

a feedback suppressor

call stations

an All-in-One system

a voice alarm system

a timer

2.3.2 Loop-through RJ-45 sockets

With the loop-through RJ-45 sockets, it is possible to

daisy chain up to six call stations. The priority is

automatic; the call station nearest to the mixer has

priority and can override the call station further away

from the mixer.

a charger

a loop amplifier

2.3.3 DIP switches and status LEDs

With the DIP switches at the base of the call station you

can select different microphone gain levels, seven

different chimes (any .wav file), define the speech filter

and the momentary or latching speaking functions.

Two LEDs on top of the call station show which zones

have been selected. One additional LED gives visible

feedback on the active state of the microphone and the

system:

The various elements are designed to complement each

other thanks to matched acoustical, electrical and

mechanical specifications.

2.2

Contents of box

The packaging box contains the following:

•

PLE-2CS Plena Two-zone Call Station

Cable terminated with a lockable Cat-5 connector

•

green flashing: microphone is standby (chime is

sounding)

•

green continuous: microphone is active

off: a call is being made by a higher priority call

station

2.3

The Plena Two-zone Call

Station

The Plena Two-zone Call Station is a modern, high-

quality call station with a stable metal base design, a

flexible microphone stem and a unidirectional

condenser microphone. It can make calls to selected

zones (zone one or two) in a public address system built

with the PLE-series two-zone mixer and mixer

amplifiers.

2.3.4 PTT button

To the PTT button, a pre- and post chime can be

assigned that is played at the start or at the end of the

call. To this end, the call station is equipped with seven

built-in chimes.

In addition to tabletop use, the Plena design allows neat

flush-mounting in desktops.

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Plena Two-zone Call Station | Installation and User Instructions | Description

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2.4

Controls, connectors and

indicators

2.4.2 Bottom side

See figure 2.2 for an overview of the controls and

indicators at the bottom of the call station:

2.4.1 Top side

1 Configuration settings - A set of DIP switches to

configure the call station (by setting the microphone

gain level, the chime and the speech filter). See

section 4.2.

2 System sockets - Two redundant RJ-45 sockets to

connect the call station to the PLE-series two-zone

mixer or mixer amplifiers using Cat-5 Ethernet

cables. When the system requires more than 2 call

stations, the system sockets can be used to make

loop-throughs. See section 4.1.

See figure 2.1 for an overview of the controls and

indicators on the top side of the call station:

1 Zone selection buttons - Two buttons to select

the zones to which the business call is distributed.

Each button has a green LED, which indicates the

zone to which the business call is distributed.

2 Push-to-talk (PTT) button - A push-to-talk

(PTT) button to start the business call.

3 Status indicator - A LEDs that indicates the status

of the call station. See section 2.3.3.

3 Rotary volume control - A rotary volume

control (potentiometer) to set the output volume of

the call station. See chapter 5.3.

Plena

figure 2.1: Top view

figure 2.2: Bottom view

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Plena Two-zone Call Station | Installation and User Instructions | Installation

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Installation

3.1

Unpack unit

1 Remove the unit from the box, and discard the

packaging material according to local regulations.

2 Use your fingernails to carefully peel off the

protective plastic film. Do not use sharp or pointed

objects.

3.2

Connect unit to PLE-series

two-zone mixer (amplifier)

1 Connect the Plena Two-zone Call Station to the

PLE-series two-zone mixer or mixer amplifier using

a Cat-5 Ethernet cable (see figure 3.1). Either one of

the RJ-45 sockets can be used.

n a

l e

figure 3.1: Connecting the call station to the mixer or

the mixer amplifier

3.3

Make configuration settings

1 Make the configuration settings (see section 4.2).

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Plena Two-zone Call Station | Installation and User Instructions | Connections

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Connections and settings 4.2 Configuration settings

Use the DIP switches at the bottom of the call station to

set the chime, the momentary or latching speaking

function, the speech filter and the microphone gain. See

figure 4.2.

4.1

Connecting multiple call

stations

When the configuration requires more than one call

station, use the loop-through RJ-45 sockets on the call

stations to make loop-throughs.

4.2.1 Chime settings

See figure 4.2. DIP switches number 1, 2 and 3 are used

for setting the chime.

1 = ON-position, 0 = OFF-position.

Note

In such a daisy chain configuration the priority

table 4.1: Chime settings

is automatic; the call station nearest to the mixer

has priority and can override the call station

further away from the mixer. Call station

number 2 has priority over call station

number 3, etc. See figure 4.1.

DIP switch setting

(1-2-3)

0-0-0

0-0-1

0-1-0

Description

no chime

1-tone chime

2-tone chime

0-1-1

1-0-1

1-0-0

1-1-0

2-tone chime reversed

3-tone chime A

3-tone chime reversed B

4-tone chime A

4-tone chime C

P l e n a

1-1-1

4.2.2 Momentary or latching speaking

setting

P l e n

See figure 4.2. DIP switch number 4 is used for setting

the momentary or latching speaking function.

1 = latching, 0 = momentary.

P l e n a

4.2.3 Speech filter setting

l e n

See figure 4.2. DIP switch number 5 is used for setting

the speech filter ON (1) of OFF (0).

n a

l e n

figure 4.1: Connecting multiple call stations

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Plena Two-zone Call Station | Installation and User Instructions | Connections

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4.2.4 Microphone gain settings

See figure 4.2. DIP switches number 6 and 7 are used

for setting the microphone gain.

1 = ON-position, 0 = OFF-position.

table 4.2: Microphone gain settings

DIP switch setting

Description

(6-7)

0-0

1-0

0-1

1-1

-15 dB

0 dB

+6 dB

DIP

ON(1)

OFF(0)

1 2 3 4 5 6 7 8(spare)

figure 4.2: DIP switches

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Plena Two-zone Call Station | Installation and User Instructions | Operation

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Operation

5.1

Make calls (momentary

speaking function)

1 Press the push-to-talk button and keep the button

depressed during the business call.

2 Make the business call.

3 Release the push-to-talk button after the business

call.

5.2

Make calls (latching speaking

function)

1 Shortly press the push-to-talk button to start the

business call.

figure 5.1: Adjust the output volume

2 Make the business call.

3 Shortly press the push-to-talk button to stop the

business call.

5.3

Adjust the call station output

volume

1 Use a screw driver to adjust the output volume of the

call station. Turn clockwise to increase the output

volume or turn counterclockwise to decrease the

output volume. See figure 5.1.

Caution

Be careful not to damage the printed circuit

board located directly underneath the orifice.

Use a small screw driver, preferably a plastic

one.

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Plena Two-zone Call Station | Installation and User Instructions | Technical data

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Technical data

6.4

Mechanical

Base dimensions (H x W x D), without

microphone:

6.1

Voltage range:

Electrical

40 x 100 x 235 mm (1.57 x 3.97 x 9.25 in)

Stem length (with microphone):

390 mm (15.35 in)

24 V(DC), supplied by PLE-series mixer or mixer

amplifier.

Current consumption:

< 30 mA

Cat-5 extension cable length:

5 m (16.4 ft)

Weight:

Approx. 1 kg (2.2 lb)

Mounting:

6.2

Performance

Nominal sensitivity:

Standalone

85 dB SPL (gain preset 0 dB)

Nominal output level:

700 mV

Maximum input sound level:

110 dB SPL

Color:

Charcoal with silver

6.5

Environmental conditions

Operating temperature range:

Gain preset:

-15 / 0 / +6 dB

Limiter threshold:

2 V

-10 °C to +55 °C (+14 °F to +131 °F)

Storage temperature range:

-40 °C to +70 °C (-40 °F to +158 °F)

Relative humidity:

Compression ratio limiter:

1:20

Distortion:

< 95%

6.6

Certifications and Approvals

< 0.6% (maximum input)

Equivalent input noise level:

25 dB SPL(A)

Safety:

According to EN 60065

EMC immunity:

Frequency response:

100 Hz - 16 kHz

According to EN 55103-2

EMC emission:

Speech filter:

According to EN 55103-1

- 3 dB @ 315 Hz, high-pass, 6 dB/oct

Output impedance:

200 Ω

6.3

Interconnection

Type:

2x redundant RJ-45 sockets for daisy chaining

multiple call stations.

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Data subject to change without notice

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