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

9.0Off-Board Points

9.1Point (Zonex) Bus: D9412GV2 Terminals and D7412GV2 Terminals

9.1.1POPIT Modules

The D9412GV2 can use point of protection input transponder (POPIT) modules to provide a maximum of 238 off-board points, bringing the total number of points the D9412GV2 can monitor to 246. The D7412GV2 provides up to 67 off-board points, bringing the total number of points the D7412GV2 monitors to 75. Each off- board point requires a POPIT Module.

9.1.2POPEX Modules

POPITs connect to supervised two-wire data expansion loops run from POPIT to POPIT throughout the premises. Data expansion loops connect to a D8125 Point of Protection Expander (POPEX) Module. POPEX Modules have power and data connections to the point bus on the control panel (Table 11).

Table 11: POPEX Modules

 

 

 

Model

Power

Data

D9412G

Terminals 23 and 24

Terminals 25 and 26

 

 

or

 

 

Terminals 27 and 28

D7412G

Terminals 3 and 9

Terminals 22 and 28

 

 

 

9.1.3Missing Conditions

If a programmed POPIT is disconnected from the expansion loop, a missing condition appears immediately and the event is logged. The missing condition might also be sent to a central station or printed to an on-site printer, if programmed to do so. Refer to the D9412GV2/D7412GV2 Program Entry Guide (P/N: F01U003636) for programming options.

9.1.4Extra Point Events

Extra Point events are generated when a POPIT connected to the data expansion bus does not have an assigned Point Index. Table 12 shows when an Extra Point event is or is not generated. Table 13 on page 35 shows additional error conditions that can occur for the off-board points.

Table 12: Extra Point Events

 

 

 

 

A POPIT connected to the data

 

 

expansion bus does not have an

 

 

assigned Point Index and:

Extra Point event?

Additional Information

Data expansion bus is disconnected

No

Keypad does not annunciate or display a trouble condition.

Data expansion bus restores to normal

Yes

Keypad annunciates and displays a trouble condition

condition after an open condition

 

Extra Point is logged and might be programmed to

 

 

 

send reports to the central station or to an on-site

 

 

 

printer.

Point input changes status from normal

No

Keypad does not annunciate or display a trouble condition.

to open or shorted

 

 

During a Service Walk Test, the point

Yes

Keypad annunciates and displays a trouble condition

input changes status from normal to

 

Extra Point is logged and might be programmed to

open or shorted

 

send reports to the central station or to an on-site

 

 

 

printer.

The Service Walk Test never shows the electrical state of a point as “Extra.”

 

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Bosch Security Systems, Inc. 5/05 F01U003641B

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Bosch Appliances manual Off-Board Points, Point Zonex Bus D9412GV2 Terminals and D7412GV2 Terminals

D9412GV2 specifications

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