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Chapter 2 Wiring|DD Series
2-8
Digital Inputs (CD, OD, MI1~MI5, COM)
; When using contacts or switches to control the digital inputs, please use high quality
components to avoid contact bounce.
Digital Outputs (MO1, MO2, MO3, MCM)
; Make sure to connect the digital outputs to the right polarity, see wiring diagrams.
; When connecting a relay to the digital outputs, connect a surge absorber or fly-back diode
across the coil and check the polarity.