Point Parameters; Figure 13: On-Board Point Sensor Loop Wiring - Bosch D9412GV3 Operation And Installation Manual
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8.3
Point Parameters
The condition of on-board Points 1 to 8 is determined
by measuring the voltage across the point input
terminal and one of the common terminals. The
sensor loops must be connected and the 1 kΩ EOL
resistor in place.
Figure 13: On-board Point Sensor Loop Wiring
2
3
2
3
2
1 - 100 Ω maximum
2 - Point input terminal
3 - Common
4 - Normally-closed contacts (NC)*
5 - Normally-open contacts (NO)
6-
Combination: Normally-open contacts and
normally-closed contacts (NO/NC)
*
UL does not allow normally-closed loops for commercial fire applications.
Bosch Security Systems, Inc. | 10/10 | F01U143070-03
D9412GV3/D7412GV3 | Operation and Installation Guide | 8.0
1
4
5
6
Table 9:
Point Parameters
Loop
Voltage Range
Open
Greater than 3.7 VDC, but less than 5.0
VDC.
Normal
Greater than 2.0 VDC, but less than 3.0
VDC.
Shorted
Greater than 0.0 VDC, but less than 1.3
VDC.
7 - P105F (Package of 8 EOL resistors) or
P105BL (Package of 8 UL Listed EOL
resistors) (P/N: 15093130-004)
8 - Brown
9 - Black
10 - Red
On-Board Points
7
1 k
8
10
10
9
9
32
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