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When the photo-coupler is using internal power supply, the switch connection for Sink
and Source as below:
MI-DCM: Sink mode
MI-+24V: Source mode
When the photo-coupler is using external power supply, please remove the short circuit
cable between the +24V and COM terminals. The connection mode is Sink mode or
Source mode according to the below:
The "+" of 24V connecting to "COM: Sink mode
The "-" of 24V connecting to COM: Source mode
Transistor outputs (MO1, MO2, MCM)
Make sure to connect the digital outputs to the right polarity.
When connecting a relay to the digital outputs connect a surge absorber across the coil
and check the polarity.
Chapter 6 Control TerminalsC2000-HS
6-3
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