Chapter 47 Product Specifications
VES1724-56 User’s Guide
392
Alarm Port Pin Assignments
The ALARM port is a male 9-pin connector. The following figure shows the pin assignments.
Figure 247 Alarm Port: Pin Assignment
The following table describes the alarm pins.
Table 188 Alarm Port: Pin Assignment
ALARM INPUT PIN DESCRIPTION
1 Pin 2 and Pin 6 An open circuit for pins 2 and 6 indicates no alarm status. A
closed circuit indicates an alarm status.
2 Pin 3 and Pin 7 An open circuit for pins 3 and 7 indicates no alarm status. A
closed circuit indicates an alarm status.
3 Pin 4 and Pin 8 An open circuit for pins 4 and 8 indicates no alarm status. A
closed circuit indicates an alarm status.
4 Pin 5 and Pin 9 An open circuit for pins 5 and 9 indicates no alarm status. A
closed circuit indicates an alarm status.
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