Bosch D9412GV2 User Manual download pdf (Page 53)

D9412GV2/D7412GV2 | Operation and Installation Guide | 11.0 Arming Devices

Bosch Security Systems, Inc. | 5/05 | F01U003641B 53

11.0 Arming Devices

11.1 Description

Keypads, maintained or momentary contact

keyswitches, or a combination of the two are used to

arm and disarm areas. The control panel can contain

up to eight areas. Refer to 3.3.6 Areas and Accounts on

page 12 for a description of areas.

11.2 Keypad Terminals 29 to 32

The Bosch Security Systems keypad is a four-wire

powered device used to arm and disarm areas,

annunciate complete system status, initiate system tests,

and control many functions of the security system.

The system can supervise up to eight keypads. The

control panel sends a Serial Device Trouble Report,

SDI FAILURE, in the Modem IIIa

format or

TROUBLE ZN D in the BFSK format, if it loses

communication with a supervised keypad. CALL FOR

SERVICE appears in any keypad that loses

communication with the control panel, if the keypad

has text display capability. SERVC KEYPAD appears at

all other keypads connected to the system.

A total of 32 unsupervised keypads can be connected

to the system. The number of supervised keypads,

number of areas, and the available power affect the

total number of keypads that can be connected to the

system. Refer to Keypad in the D9412GV2/D7412GV2

Program Entry Guide (P/N: F01U003636) for complete

programming details on keypad options.

Five types of keypads are available for use with the

system.

• D1255

− 16-character alphanumeric display for

general use.

• D1256

− text display keypad with keys designated

for local fire alarm control.

• D1257

− text display keypad for fire annunciation.

• D1260

− easy-to-read, 4-line by 20-character LCD

display with eight “soft” keys to display simple

selections.

• D720

− LED display keypad appropriate for use as

a single area keypad with up to eight points.

D1255 and D720 are available in white

(D1255W and D720W) or red (D1255R

and D720R).

For operational information, refer to the user’s guide

for the specific keypad.

11.2.1 Assigning an Address for the Keypad

Switches on the keypad assign an address (1 to 8). The

address determines if the keypad is supervised, the

scope of the keypad, and to what area the keypad is

assigned. Refer to Keypad Assignment in the

D9412GV2/D7412GV2 Program Entry Guide

(P/N: F01U003636) for a complete description of

addresses.

Table 20 shows the correct switch setting for each

address.

Table 20: Keypad Address Settings

Switch Address

1 2 3 4 5 6

Address #1 ON ON ON ON ON

Address #2 OFF ON ON ON ON

Address #3 ON OFF ON ON ON

Address #4 OFF OFF ON ON ON

Address #5 ON ON OFF ON ON

Address #6 OFF ON OFF ON ON

Address #7 ON OFF OFF ON ON

Address #8 OFF OFF OFF ON

Encoding

Tone ON/OFF

11.2.2 Installation

Refer to the keypad installation manuals for installation

and mounting instructions. Keypads connect to the

control panel in parallel (Table 21).

Table 21: Keypad Connections

D7212GV2

Terminal Function

Keypad

Wire Color Function

32*

POWER + Red 12 VDC

31 DATA BUS A Yellow Data – In

30 DATA BUS B Green Data – Out

29 COMMON Black Common

* Connect with at least 1.5 m (5 ft.) or 0.8 mm (22 AWG) wire

(4.3 m [14 ft.] of 1.2 mm [18 AWG] wire).

Switching the Green and Yellow Wires Affects

Other Keypads: Connecting the green wire

incorrectly from the keypad to Terminal 31 and the

yellow wire to Terminal 30 causes other keypads

connected to the control panel to go blank or to sound

random beep tones.

1 2 ... 48 49 50 51 52 53 54 55 56 57 58 ... 73 74

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Bosch D9412GV2 User Manual Page 53

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