Control Panels Control panel installation | en 33
Bosch Security Systems, Inc. Installation and System Reference Guide 2016.06 | 08 | F.01U.303.996
– PANEL WIDE PARAMETERS > Miscellaneous > Ground Fault Detection. Set to Enable.
– PANEL WIDE PARAMETERS > Report Routing > Burglar Reports > Trouble Report. Set to
Yes.
– PANEL WIDE PARAMETERS > Report Routing > Burglar Reports > Burg Restore (After
Trouble). Set to Yes.
5.2.4 Ground fault detection troubleshooting
Measure earth ground (Terminal 10) and common (Terminal 9) to determine whether the
control panel has the necessary -2.1 V decay to 0.
Measuring and comparing voltage for ground fault detection:
1. Set your digital voltmeter (DVM) to measure VDC.
2. Connect the red DVM lead to control panel Terminal 10, and the black DVM lead to
Terminal 9.
3. Compare this voltage to the following table:
Control panel voltage at Terminals 9 and 10) Terminal potentially causing ground fault
~ 0 VDC 4, 9, 12, 15, 17, 21
~ 13.65 VDC 5, 6, 7, 8, 26, 30
~ 2.51 VDC 11, 13, 14, 16, 17, 19, 20, 22
~ 2.44 to 3.2 VDC 24
~ 10.9 to 11.2 VDC 25
~ 7.2 VDC 28
~ 5.8VDC 29
~ 7.35 VDC 1, 2
5.3 Control panel to module wiring overview
In the following sections, this document provides instructions for wiring devices to your
control panel. You can use interconnect or terminal wiring.
If SDIx is configured for SDI2, use either SDI2 bus.
Using terminal wiring
For terminal wiring, use 18 AWG to 22 AWG (1.02 mm to 0.65 mm) wire.
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