Planet IGS-20040MT User Manual page 29

3. There are two Digital Input groups for you to monitor two different devices. The following topology shows how to wire DI0
and DI1.
4. There are two Digital Output groups for you to sense IGS-20040MT port failure or power failure and issue a high or low
signal to external device.The following topology shows how to wire DO0 and DO1.
Figure 2-7 Wires DI0 and DI1 to Open Detector
Figure 2-8 Wires DO0 and DO1 to Open Detector
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User's Manual of IGS-20040MT