Connection
21
4.6 Alarm Port
The device provides an alarm terminal block on the front panel for alarm output. When the
switch works properly, the normally-open contacts of the alarm relay are closed and the
normally-closed contacts are open; when an alarm occurs, the normally-open contacts are
open and the normally-closed contacts are closed. The alarm is outputted through a
M12-A-4P-M terminal block.
Pin Definition
Figure 15 Main Power Port (male)
Table 9 Pin Definitions of Power Port
Pin
Wiring Definition
1
COM
2
Open
3
NC
4
Close
Note
：
Pin 1 and pin 2 are normally-open contacts; pin 1 and pin 4 are normally-closed contacts. When
the switch works properly, pin 1 and pin 2 are closed, pin 1 and pin 4 are open; when an alarm
occurs, pin 1 and pin 2 are open; pin 1 and pin 4 are closed.
Wiring and Mounting
Step 1: Remove the alarm terminal block from the switch.
