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D7212GV2 | Operation and Installation Guide | 11.0
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 four areas. Refer to 3.3.6 Areas and Accounts on
page 11 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
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 D7212GV2 Program Entry
Guide (P/N: F01U003804) 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.
44
Arming Devices
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 D7212GV2
Program Entry Guide (P/N: F01U003804) for a complete
description of addresses.
Table 18 shows the correct switch setting for each
address.
2
format or
11.2.2 Installation
Refer to the keypad installation manuals for installation
and mounting instructions. Keypads connect to the
control panel in parallel (Table 19).
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.
You can connect devices to the data bus (Terminals 30
and 31) by parallel wire run from the control panel to
each device, wire from device to device, or a
combination of the two using a maximum of 4572 m
(15000 ft.) of 0.8 mm (22 AWG) wire for all devices
connected to the SDI Bus combined.
Table 18:
Keypad Address Settings
Address
Switch
1
2
Address #1
ON
ON
Address #2
OFF
ON
Address #3
ON
OFF
Address #4
OFF
OFF
Address #5
ON
ON
Address #6
OFF
ON
Address #7
ON
OFF
Address #8
OFF
OFF
Table 19:
Keypad Connections
D9412GV2
Terminal
Function
32*
POWER +
31
DATA BUS A
30
DATA BUS B
29
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).
Bosch Security Systems, Inc. | 5/05 | F01U003805B
3
4
5
6
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
OFF
ON
ON
OFF
ON
ON
OFF
ON
ON
OFF
ON
ON
Keypad
Wire Color
Function
Red
12 VDC
Yellow
Data – In
Green
Data – Out
Black
Common
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