Bosch D9412GV2 User Manual

Page of 74
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
2
 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  
ON 
 
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.