Bosch D9412GV2 User Manual download pdf (Page 35)

D9412GV2/D7412GV2 | Operation and Installation Guide | 9.0 Off-Board Points

Bosch Security Systems, Inc. | 5/05 | F01U003641B 35

Table 13: Off-Board Point Errors

Error Condition Result Additional Information

+/- leg of the data expansion bus has a

short-circuit to earth ground, with Ground

Fault Detect enabled

Ground Fault event

+/- leg of the data expansion bus is

disconnected

All POPITs beyond the

disconnection send Missing

report

Data expansion bus has a short-circuit

• All POPITs send Missing

report

• Pt Bus Trouble event

When the data expansion bus restores, Pt

Bus Restore event occurs. If any POPIT is

connected to the data expansion bus

without an assigned Point Index, an Extra

Point event occurs.

+/- leg of the data expansion bus has a

short-circuit to the Common terminal on

the D7212G

• All POPITs send Missing

report

• Pt Bus Trouble event

Terminal 28 has a short-circuit to a

Common terminal

No Pt Bus Trouble event occurs

Terminal 27 has a short-circuit to a

Common terminal

• Pt Bus Trouble event

• Keypad displays:

SERVC ZONEX 1

Terminals 27 and 28 have a short-circuit

together

• Pt Bus Trouble event

• Keypad displays:

SERVC ZONEX 1

9.1.5 D9412GV2/D7412GV2 Responses to

Missing Point Conditions

The D9412GV2 and D7412GV2 respond to missing

point conditions based on the point’s programming and

the armed state of the point’s area. For example, if an

interior motion detector point is missing during a

disarmed state, a Missing Trouble event is generated;

however, if the point is missing while the area is Master

Armed, a Missing Alarm event is generated. Non-fire,

24-hour points always generate a Missing Alarm event

whereas Fire points always generate a Missing Fire

Trouble event.

9.2 D8125, D8127 and D9127 POPIT

Modules

D8127 and D9127 POPITs use the D8125 POPEX

Module to report to the control panel. Each D8125

supports up to 119 POPIT points. Connect two D8125

Modules to the D9412GV2 to bring the combined total

number of POPIT and on-board points to 246. Points 9

to 127 connect to the first POPEX Module. Points 129

to 247 connect to the second POPEX Module. The

D9412GV2 reserves Points 128 and 248 for internal

use. The control panel annunciates activity only for

each POPIT, not for each detection device connected

to the sensor loop.

There are two versions of the D8127 and D9127

Modules. Both module enclosures are made of UL

Listed fire resistant material. D8127T and D9127T

Modules contain tamper switches. D8127U and

D9127U Modules include untampered covers. Unless

the module is mounted in a tampered enclosure, UL

requires D8127T and D9127T Modules for certificated

accounts.

Listings

The D8125 POPEX and the D8127 and D9127 POPIT

Modules are UL Listed for Local or Police Connected

Burglar Alarm, Central Station Burglar Alarm,

Household Burglar Alarm, Central Station Fire, Local

Fire, Remote Station Fire, Household Fire, and

Electrically Actuated Transmitter Applications.

Refer to the D9412GV2/D7412GV2 Approved

Applications Compliance Guide (P/N: F01U003639) to

determine the required equipment and enclosures for

the application.

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