You can use the IO-Link Master PROFINET IO and Modbus/TCP User Guide or the following information to connection IO-Link devices to the IO-Link Master. IO-Link Port Connector

The IOLM 4-PNIO provides four IO-Link ports with M12 connectors (5-pin female/A coded).

Note
Make sure that you tighten the cables properly to maintain IP67 capabilities.

This table provides signal information for the IO-Link connectors.

Pin	Signal	Description
1	L+	Power supply (+)
2	DI	Digital input
3	L-	Power supply (-)
4	C/Q	Communication signal, which supports SDCI (IO-Link) or SIO (standard input/output)
5	N/A	Not Connected

This table provides information that you may need regarding the IO-Link connectors.

Current and Power	Value
Maximum C/Q Current:	200mA
Maximum L+/L- Current Output	500mA
C/Q and DI Input Maximum (L+) Minimum (L-)	Power Input +0.5VDC -0.5VDC
SDCI (IO-Link) Transmission Rates:	COM1: 4.8Kbps COM2: 38.4Kbps COM3: 230.4Kbps

Note
IO-Link ports must have an approved cable or protective cover attached to the port guarantee IP67 compliance

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