Bosch D7412GV4, Installation Manual

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20 en | Diagrams
2016.07 | 04 | F.01U.291.483 UL Installation Guide Bosch Security Systens, Inc.
Cable
capacitance Overall
cable
length Cable
capacitance Overall
cable
length Cable
capacitance Overall
cable
length Cable
capacitance Overall
cable
length
pF/ft ft pF/ft ft pF/ft ft pFf/ft ft
< 17 7500 22 6363 27 5185 32 4400
18 7500 23 6086 28 5000 33 4242
19 7350 24 5800 29 4828 34 4100
20 7000 25 5600 30 4700 35 4000
21 6666 26 5385 31 4516 36 3800
Table 3.2: Maximum cable length
Notice!
Use Non-shielded cable only.
Notice!
Maximum capacitance of 140nF (140,000 pf) per system. Contact the wire manufacturer for
the capacitance ratings of the wire being used.
3.6 Keyswitch Wiring
Figure 3.12: Keyswitch Wiring
Callout - Description
1 - Maintained keyswitch
2 - Momentary keyswitch
3 - Common
4 - Point Input
5 – End of Line (EOL) resistor*
6 - Open on a circuit arms the area
7 - Short on a circuit toggles the arming state