User manual

User Manual
SNC-3342 / SNC-6332
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I/O terminal block: Pin assignments:
Pin
Function
Description
1
GND
Four sets of digital input, DI1 until DI4. The internal device is
also photo-coupled electrical relay. In practice, the external
device can be simply an on/off switch. Four sets of on/off
switches can be connected as different trigger source.
2
Digital input 4
3
Digital input 3
4
Digital input 2
5
Digital input 1
6
DO_NO
When activating the output contact, Pin 7 (GND) is connected to
Pin 2 (DO_COM). Normal Open status
7
DO_COM
Application 1: