2 System overview
© 2021 Interflex Datensysteme GmbH IF-4070 Controller 8
2.3 IF-4070 controller overview
Connections on the printed circuit board
1 USB connection (for future use)
2 14-pin screw terminal for floating status contacts
3 14-pin screw terminal for floating status contacts and relay contacts
4 14-pin screw terminal for relay contacts
5 6-pin screw terminal for relay contacts
6 Screw terminal for the connection of the power supply
7 RJ45 socket for the connection to the Ethernet network (host system)
8 USB connection (for future use or ServiceApp)
9 3x RJ45 sockets with RS485 interfaces for the connection of bus data cables 1, 2, 3
10 RJ45 socket with RS232 interface for the connection of a service device
11 3-pin screw terminal for RS232 service cable (same function as socket 10)
12 7-pin screw terminal for RS485 data cable (same function as socket 9)