The label aached to DX‑D4C3 helps you idenfy each channel.
▶ DX‑D4C3 Label:
• CC represents a contact closure sensor channel. There are three CC channels: CC1 through CC3.•
• DC represents a dry contact signal actuator channel. There are four DC channels: DC1 through DC4.•
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DX‑D4C3 terminals, DIP switches, and LEDs:
Terminals, DIP switches, and LEDs are located in two rows as shown below.
46