3.3.2 External device interface
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You can connect various external devices to the external device interface on the front of the controller.
No
Description
LAN port
USB port
D-SUB connectors
9-pin (COM1, COM2): serial communication (RS485, 422, 232)
25-pin (SDIO): common digital I/O
Terminal blocks
TB1: common analog I/O
TB2: dedicated safety signal input
TB3: system signal I/O
The external device interface is described based on the composition of basic connections.
If you wish to install additional optional items and connect them to the external device interface, you may change the composition of basic connections. For more details on the installation of additional optional items and the composition of connections, consult with our Customer Support Team.
