Chapter 6 Control TerminalsMH300
When the photo coupler is using the internal power supply, the switch connection for
Sink and Source modes are as shown in the picture above: MI-DCM: Sink mode, MI-
+24 V: Source mode.
Transistor output terminals (MO1, MO2, MCM)
Make sure to connect the digital outputs to the correct polarity. See the wiring diagram
when connecting a relay to the digital output, connect a surge absorber across the
coil, and check the polarity.
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