Appendix A: Wiring Specifications
WinLink User and Installation Guide
Version 1.750
134
IDU-C Alarm Connector
Table
9-6 lists the IDU-C Alarm connector pinout.
Table
9-6: IDU-C Alarm Connector (Dry-Contact)
Pin I/O
Description
1 Input
1 Positive
2 Input
2 Positive
3 Output
1
Normally
Closed
4 Output
1
Normally
Open
5 Output
2
Normally
Open
6 Input
1 Negative
7 Input
2 Negative
8 Output
1
Common
9 Output
2
Common
9
COM
8
COM
7
-
ve
6
-
ve
4
3
1
2
+
ve
Output
2
Output
1
Input
1
Input
2
Alarm Connector
7
+
ve
10 to 50 VDC alarm voltage
-10 to -50 VDC alarm voltage
Ext. current limit resistor
Alarm LED
Ext. DC Power
Alarm Buzzer
Ext. DC Power
Ext. current limit resistor
N/C
N/O
N/O
Figure
9-1: Example for connecting the alarm connector
