Johnson Controls tyco Power Pro Series Reference Manual page 276

The Bell output is supervised and power limited. Connect a 1000Ω resistor across Bell+ and Bell- to prevent the panel from
displaying a trouble. See [*][2].
BE SURE TO OBSERVE POLARITY WHEN
CONNECTING POLARIZED SIRENS
BELL LOOP 700mA CONSTANT CURRENT
Note: Bell output is current limited by 2A. Steady, Fire Pulsed, Fire Temporal Three and CO Temporal Four pattern alarms
are supported.
6.6 Aux Power Wiring
These terminals provide 10.8-12.5 VDC (-15% to +10%) /2A maximum of current (shared with PGM outputs). Connect the
positive side of any device to the AUX+ terminal and the negative side to GND. The AUX output is protected; if too much cur-
rent is drawn from these terminals (wiring short), the output is temporarily shut off until the problem is corrected.
6.7 Corbus Wiring
The RED and BLK Corbus terminals are used to provide power while YEL and GRN are used for data communications. The
4 Corbus terminals of the alarm controller must be connected to the 4 Corbus terminals or wires of each module.
The following conditions apply:
Corbus should be run with 18 to 22 AWG quad, two pair twisted preferred.
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The modules can be home run to the panel, connected in series or can be T-tapped.
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Do not use shielded wire for Corbus wiring.
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Note: Any module can be connected anywhere along the Corbus. Separate wire runs for keypads, zone expanders etc. are
not necessary.
Note: No module can be more than 1,000'/305m (in wire length) from the panel. Do not use shielded wire for Corbus wiring.
Figure 6-1 Corbus Wiring
Module (A) is wired correctly as it is within 1,000'/305m of the panel, in wire distance. Module (B) is wired correctly as it is
within 1,000'/305m of the panel, in wire distance. Module (C) is NOT wired correctly as it is farther than 1,000'/305m from the
panel.
6.8 PGM Wiring
PGMs switch to ground when activated by the control panel.
Connect the positive side of the device to the AUX+ terminal and the negative side to a PGM terminal.
The Minimum/maximum operating voltages for devices, sensors and modules is 10.8 VDC - 12.5 VDC (-15% to +10%).
Current output is as follows:
PGM1, PGM4: 100mA
PGM2, PGM3: 300mA
Appendix 6: Wiring Diagrams
OR BELLS
(2A MAX)
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