3.4 Noise Countermeasures
3.4.1 Connection of FG (Frame Ground)
The frame should basically be grounded at one ground point.
Connect the control unit and base I/O unit's 0V (RG) to the FG on the +24V stabilized power supply side.
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3.4 Noise Countermeasures
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3. INSTALLATION
Communication terminal
I-15