Federal Signal Corporation CommCenter D1 Series Handbuch

Model 300MB-SD

CommCenter Series D1

2561078I

Rev I3 0423

Printed in U.S.A.

Installation and Maintenance Manual

Limited Warranty

This product is subject to and covered by a limited warranty, a copy of which can be found at

www.fedsig.com/SSG-Warranty.A copy of this limited warranty can also be obtained by written

request to Federal Signal Corporation, 2645 Federal Signal Drive, University Park, IL 60484,

email to [email protected] or call +1 708-534-3400.

This limited warranty is in lieu of all other warranties, express or implied, contractual or statutory,

including, but not limited to the warranty of merchantability, warranty of tness for a particular

purpose and any warranty against failure of its essential purpose.

2645 Federal Signal Drive

University Park, Illinois 60484

www.fedsig.com

Customer Support 800-548-7229 • +1 708 534-3400

Technical Support 800-524-3021 • +1 708 534-3400

All product names or trademarks are properties of their respective owners.

Installation and Maintenance Manual

Federal Signal www.fedsig.com

Table of Contents

Safety Message to Installers of Federal Signal Products............................................................5

Unpacking the Product...................................................................................................................6

An Overview of the Model 300MB..................................................................................................6

Chassis Description............................................................................................................... 8

Input Conguration................................................................................................................. 8

Control Circuitry..................................................................................................................... 9

Power Requirements ............................................................................................................. 9

Recommendation for the Signal Lines........................................................................................12

Connecting Signal Lines...................................................................................................... 12

Connecting to Remote Devices....................................................................................................13

Balanced Line Application.................................................................................................... 13

Unbalanced Line Application................................................................................................ 14

Connecting a Low-Level Audio Input ................................................................................... 14

Connecting a Low-Level Audio Output................................................................................. 15

Typical Installations of the 300MB...............................................................................................16

As a SelecTone Control Center............................................................................................ 16

As a Remote Microphone and Message Playback.............................................................. 16

Driving a 25 VRMS Speaker Line ........................................................................................... 17

Interfacing with a Central Amplied System......................................................................... 18

As a Typical Central Power System..................................................................................... 18

Connecting Power to the CommCenter System.........................................................................19

For 120 Vac Operation......................................................................................................... 19

For 240 Vac Operation......................................................................................................... 19

For 24 Vdc Operation........................................................................................................... 19

Safety Messages to Maintenance Personnel..............................................................................20

Installing Storage Chips ...............................................................................................................21

Getting Replacement Parts...........................................................................................................23

Getting Service..............................................................................................................................23

44 Model 300MB-SD CommCenter Series D1

Federal Signal www.fedsig.com

Figures

Figure 1 Dimensions and mounting holes...................................................................................7

Figure 2 Connections on the back of Model 300MB ................................................................. 13

Figure 3 Model AM25CK connections (balanced line)..............................................................13

Figure 4 Model 300CK connections (unbalanced line).............................................................14

Figure 5 Cascading multiple units..............................................................................................15

Figure 6 CommCenter as a SelecTone control center ..............................................................16

Figure 7 Model 300MB with remote microphone and message playback...............................17

Figure 8 Model 300MB with 25 VRMS connections...................................................................... 17

Figure 9 Model 300MB with central amplier connections ...................................................... 18

Figure 10 Typical central power system..................................................................................... 18

Figure 11 Model 300MB motherboard......................................................................................... 22

Tables

Table 1 Kit contents........................................................................................................................ 6

Table 2 Model 300MB Series D motherboard............................................................................... 8

Table 3 Product specications.................................................................................................... 10

Table 4 Replacement parts.......................................................................................................... 23

Installation and Maintenance Manual

Federal Signal www.fedsig.com

Safety Message to Installers of Federal Signal Products

People’s lives depend on your proper installation and servicing of Federal Signal

products. It is important to read and follow all instructions shipped with this product.

Listed below are some other important safety instructions and precautions you should

follow:

• This device is to be installed by a trained electrician who is thoroughly familiar

with the National Electric Code and will follow the NEC guidelines as well as local

codes.

• The selection of the mounting location for the device, its controls, and routing of

the wiring is to be accomplished under the direction of the Facilities Engineer and

the Safety Engineer.

• Read and understand all instructions before installing or operating this equipment.

• Do not connect this unit to the system when power is on.

• Optimum sound distribution will be severely reduced if any objects are in front of

the speaker. Ensure that the front of the speaker is clear of any obstructions.

• All eective warning speakers produce loud sounds that may cause, in certain

situations, permanent hearing loss. Take appropriate precautions such as wearing

hearing protection.

• All eective warning speakers produce loud sounds that may cause, in certain

situations, permanent hearing loss. The device should be installed far enough

away from potential listeners to limit their exposure while still maintaining its

eectiveness. The OSHA Code of Federal Regulations 1910.95 Noise Standard

provides guidelines, which may be used regarding permissible noise exposure

levels.

• After installation, test the sound system to ensure proper operation.

• Show these instructions to your Safety Engineer and all operating personnel,

and then ﬁle them in a safe place and refer to them when maintaining and/or

reinstalling the unit.

• Establish a procedure to routinely check the sound system for proper activation

and operation.

Failure to follow all safety precautions and instructions may result in property damage,

serious injury, or death.

66 Model 300MB-SD CommCenter Series D1

Federal Signal www.fedsig.com

Unpacking the Product

After unpacking the product, examine it for damage that may have occurred in transit.

If the 300MB has been damaged, do not attempt to install or operate it. File a claim

immediately with the carrier, stating the extent of the damage. Carefully check all

envelopes, shipping labels, and tags before removing or discarding them. If any parts are

missing, please call Federal Signal Customer Support at 708-534-4756 or 877-289-3246.

Table 1 Kit contents

Qty. Description Part Number

1 Plug, 10-Position 140332-10

1 Plug, 17-Position 140332-17

An Overview of the Model 300MB

The CommCenter, Model 300MB Series D1 is a digital playback device that is

capable of generating up to six dierent prerecorded voice messages, melodies,

tones, and/or signals. This central control device interfaces with any decentralized

or centrally ampliﬁed system. The CommCenter can control signal lines to Federal

Signal SelecTone®Models 300GC, 300GCX, 300X, 302GC, 302GCX, 302X, and

50GC speaker/ampliﬁers. It can also interface with any SelecTone Control Unit,

Models 300VSC or 300SCW-1. It can directly drive speakers designed for 25 VRMS

line operation. It can also provide a 1 VP-P audio signal and can be used as a remote

audio input for a public address sound system. Using the cascading function, 300MB

CommCenters can be linked together to provide a system with the capability of more

than six messages.

NOTE: The CommCenter accepts messages stored on ICs and pluggable circuit

boards. Both are referred to as message chips in this manual. The messages stored on

pluggable circuit boards will operate on all Series B, Series C, and Series D models.

IMPORTANT: The Series D CommCenters use a dierent storage IC than the Series

A, Series B, and Series C. These ICs cannot be interchanged between Series A,

Series, B, and Series C models. Be sure to verify which series CommCenter you have

before ordering any additional messages.

The CommCenter is intended to be installed only in indoor (NEMA 1) or other

protected installations. It can be mounted on any horizontal or vertical surface

using #10 screws appropriate for the type of mounting surface material and the four

mounting holes in the housing. See Figure 1.

Installation and Maintenance Manual

Federal Signal www.fedsig.com

An Overview of the Model 300MB

Figure 1 Dimensions and mounting holes

KNOCKOUT PROVISION

0.87 in (2.21 cm) DIA., 5 PLACES

290A7328

FIELD WIRING BLOCK FOR

120/240 V POWER CONNECTION

2.27 in

(5.77 cm)

1.06 in

(2.70 cm)

1.08 in

(2.74 cm)

2.86 in

(7.26 cm)

3.57 in

(9.07 cm)

9.41 in

(23.90 cm)

6.77 in

(17.20 cm)

1.18 in

(3.00 cm)

2.20 in

(5.59 cm)

1.28 in

(3.25 cm) 11.57 in

(29.40 cm)

2.15 in

(5.46 cm)

6.87 in

(17.45 cm)

9.75 in

(24.77 cm)

COVER REMOVED TO SHOW FOUR MOUNTING HOLES 0.20 in (51 cm) DIA., FOR #10 SCREWS

The CommCenter can be used for a variety of prioritized signaling purposes, such

as indicating the status of a machine or process, background messages, evacuation,

alarm, start and dismissal, and other audible notiﬁcation applications. The system

can be automated if external (customer-supplied) devices such as programmable

controllers, heat detectors, switches, or program clocks are connected to the remote

inputs. This product is not listed for ﬁre use.

A CommCenter plays and ampliﬁes messages through signal lines to the remote

SelecTone®devices in the system. To connect the SelecTone speaker/ampliﬁer to the

signal line, a Model AM25CK Connector Kit is required in each SelecTone device.

Speakers designed for 25-volt operation can connect directly to the 25-volt output.

Each message can be activated by a contact closure or opening at its associated

remote control input. The remote control inputs can be conﬁgured to work with either

latching or momentary contacts.

Each CommCenter can accommodate up to six storage chips, selected from a

library of prerecorded voice messages, melodies, tones, and/or signals. There is one

message per storage chip. Each chip plugs into a 28-pin IC socket. The six sockets

are labeled PRIORITY TONE 1 through PRIORITY TONE 6.See Figure 11 on

page 22.

88 Model 300MB-SD CommCenter Series D1

Federal Signal www.fedsig.com

An Overview of the Model 300MB

Chassis Description

The CommCenter is assembled in a black, powder-coated, steel, two-piece housing.

The cover is attached to the housing with four screws, two along each long edge of

the enclosure. The rear of the housing incorporates two ﬁeld-wiring compartments

baed o from the printed circuit board area. One compartment is for the connection

of the Class II power and signal lines, and the other is for the connection of the ClassI

power lines. These areas are provided with knockouts to allow the external wiring to

enter the unit through appropriate installer-supplied bushings.

Input Conguration

The CommCenter can be conﬁgured for remote activation in four ways:

• Normally open latching contacts

• Normally open momentary contacts

• Normally closed latching contacts

• Normally closed momentary contacts

The CommCenter is factory-set to be activated by closing a normally open latching

contact between the associated input and circuit ground. When activated, the

message continues to loop and repeat. It stops as soon as it is deactivated. When

conﬁgured for momentary activation, the message continues to loop and repeat until

the input is deactivated. When the input is deactivated, it plays the entire message

before stopping.

Each of the six inputs can be conﬁgured individually by moving a two-position jumper

on a three-position header. See Table 2 for a list of the priority tones, their associated

jumper designations, and their silkscreened label printed circuit board.

Table 2 Model 300MB Series D motherboard

MESSAGE JUMPER MARKING JUMPER MARKING

PRIORITY

TONE1 J9 NO NC J12 R M

PRIORITY

TONE 2 J10 NO NC J14 R M

PRIORITY

TONE 3 J11 NO NC J13 R M

PRIORITY

TONE 4 J5 NO NC J8 R M

PRIORITY

TONE 5 J4 NO NC J7 R M

PRIORITY

TONE 6 J3 NO NC J6 R M

NOTES:

NO NC congures an individual channel to interface

to normally open (NO) or normally closed (NC)

contacts.

R M congures an individual channel to interface to

a latched contact (R) or a momentary contact (M).

Installation and Maintenance Manual

Federal Signal www.fedsig.com

An Overview of the Model 300MB

Control Circuitry

The control circuitry in the CommCenter has a built-in priority level feature. If a

message is already sounding when a higher priority message is activated, the higher

priority message automatically overrides the lower priority message. When the higher

priority message is deactivated, the lower priority message is initiated as long as it

is still activated. The messages are prioritized with Priority Tone 1 having the highest

priority down to Priority Tone 6. The cascade input has the lowest level of priority.

A message can be activated from the tone activation inputs on TB1. For example, a

dry contact, either normally open or normally closed (depending on the conﬁguration)

will activate a tone when it is connected between the associated message (TB1-1

through TB1-6) and COM (TB1-7). The conﬁguration of these channels is described in

"Input Conﬁguration" on page 8. These inputs are opto-coupled to reduce the

possibility of noise on the signal lines falsely activating a message.

There are two sets of contacts that can be used to monitor the status of a

CommCenter. When power is applied, a relay with form C contacts is activated. These

contacts are connected to TB2 and are labeled Power Monitor Relay. The second set

of contacts monitor activation of any of the six messages or a cascaded input. These

contacts are labeled Push-to-Talk (PTT) Relay on TB1.

Power Requirements

SHOCK HAZARD: Do not perform any installation or maintenance on this

system when power is on. Because the 300MB does not have a power switch,

ensure that the power is disconnected before proceeding. Failure to heed this

warning may cause serious injury or death.

The Model 300MB can be operated on 120 Vac, 240 Vac, or 24 Vdc input power. To

prevent power to the CommCenter from being accidently turned o, the unit does not

have a power switch.

1010 Model 300MB-SD CommCenter Series D1

Federal Signal www.fedsig.com

An Overview of the Model 300MB

Table 3 Product specications

Power Input

Input Voltage 120/240 Vac, 50 Hz to 60 Hz; 24 Vdc

Standby Current 50 mA, 120 Vac

25 mA, 240 Vac

Operating Current 210 mA (max.)

Power Consumption 26 W (max.)

Emergency Power Source Input

Input Voltage 22 Vdc to 32 Vdc

Standby Current 90 mA

Operating Current 760 mA

Audio/Cascade Input

Input Impedance 5 k Ω

Input Voltage 1 VP-P (max.)

Audio Outputs

Output Impedance

Unbalanced Signal Line 25 Ω (max.)

Unbalanced Signal Line, Standby 120 Ω

Balanced Signal Line 40 Ω (max.)

Low-Level Signal Line 600 Ω

Output Voltage Levels, No Load (< 3% THD)

Unbalanced Signal Line 9 VRMS

Balanced Signal Line 17 VRMS

Low-Level Signal Line 1 VP-P

Output Voltage Levels, Max. Load (< 3% THD)

Unbalanced Signal Line 8 VRMS (25 Ω load)

Balanced Signal Line 15 VRMS (40 Ω load)

Low-Level Signal Line 1 VP-P (600 Ω load)

Tone Output Voltage Levels, No Load (sq. wave)

Unbalanced Signal Line 12 VRMS

Balanced Signal Line 25 VRMS

Low-Level Signal Line 1 VP-P

Tone Output Levels Max. Load (sq. wave)

Unbalanced Signal Line 12 VRMS (25 Ω load)

Balanced Signal Line 20 VRMS (40 Ω load)

Low-Level Signal Line 0.56 VRMS (600 Ω load)

Signal to Noise Ratio (< 1.5 % THD)

Chip Input 67 dBA

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