Installing
3.2 Overview of the interfaces
CU250S-2 Control Units
8
Compact Operating Instructions, 05/2014, A5E32899990B AB
3.2
Overview of the interfaces
To access the interfaces at the front of the Control
Unit, you must unplug the Operator Panel (if one is
being used) and open the front doors.
①
Terminal strips
②
Fieldbus interface
Selecting the fieldbus address:
•
PROFIBUS
•
USS
•
Modbus RTU
•
CanOpen
③
Status LED
④
USB interface for connection to a PC
⑤
No function. Keep the switch in the "Vector"
position.
⑥
Switch for analog inputs
I
0/4 mA … 20 mA
U -10/0 V … 10 V
⑦
Connection to the operator panel
⑧
Memory card slot
