SILENT KNIGHT 4224 Installation Manual page 32

Model SK-4224 Fire Control Panel Installation/Operation Manual
Pin
Pin Number
Connector
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 3
Pin 8
Pin 9
Pin 10
Pin 11
Pin 12
Wiring SK-2880 Open Collector Outputs
Figure 4-15 illustrates examples of how to configure the open collector outputs on the I/O
module for your uses.
4-16
Table 4-6: Pin-outs for Open Collector Outputs
Output
NAC 1 Trouble
NAC 2 Trouble
NAC 3 Trouble
Dialer Trouble
Expander Trouble
Alarm Silenced
Low AC
Low Battery
Ground Fault
Walk Test Active
Piezo Output
Local Trouble
LED
Dry Contact Relay
Figure 4-15 Output Configurations
Description
Outputs when a trouble condition exists on NAC 1.
Outputs when a trouble condition exists on NAC 2.
Outputs when a trouble condition exists on NAC 3.
Outputs when any type of trouble occurs with the dialer,
such as, no line voltage or a communication failure.
Outputs when one of the Serial Devices connected to the
control panel is in trouble.
Outputs when an alarm has been silenced.
Outputs if the control panel looses AC power or AC
power drops below the control panels low AC threshold.
Outputs when the backup battery voltage drops below
20.4 VDC.
Outputs when the control panel detects a ground fault
condition.
Outputs when the control panel is in walk test mode.
Outputs correspond to any trouble condition output from
the control panel.
Outputs if the end-of-line resistor on the Reset or silence
inputs not detected or if a serial communication problem
occurs between this device and the control panel.
Current Limiting
Resistor 1 KΩ
To P2, Pin 11 or
C+ on Terminal Strip 2
151068