Interflex IF-57 Series - Connections; Interface Expander Connections; Connection to IF-57 xx; Connecting the Interface Expander

Interflex Datensysteme GmbH 14/23
18.1.2 Connections
PE (RS485 bus) PE connection for cable shield
Tx+ and Tx - RS485 I/O. Interface for an additional terminal. Max. cable length: 100m
PE Additional PE connection for an I/O controller board
COM + and COM - Interface to I/O controller board. Max. cable length: 100m
+ 5VDC 5 VDC voltage supply for one I/O controller board
18.1.3 Connection to IF-57xx
The interface expander is connected to the IF-57xx master terminal via the 8-pin cable (1) included in
delivery.