Mounting and connection
EPI3xxx, ERI3xxx
19
Version: 1.2
4.2
IO-Link connection
4.2.1
IO-Link master connection
IO-Link interface
The IO-Link specification defines various IO-Link pin assignment, which are described in the following
section.
The switching and communication line is marked with (C/Q).
Port Class A (type A): The function of pin 2 and pin 5 is not preset. The vendor can assign an additional
digital channel to pin 2. Port Class B (type B): Pin 2 and Pin 5 are used for an additional power supply. The
information regarding the pin assignment of your module can be found in the chapter "Introduction".
Fig. 10: Pin assignment Port Class A, Pin 2 not connected
In the case of Class A modules an additional digital input or output (I/Q) can be connected to Pin 2.
Fig. 11: Pin assignment Port Class A, Pin 2 connected
Port Class B (type B): For devices with higher current demand, an additional power supply is provided via pin
2 and pin 5.
Fig. 12: Pin assignment Port Class B
The IO-Link master (EP622x-xxxx) has an A-coded M12 socket for the outgoing IO-Link connection.
Summary of Contents for EPI3 Series
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