X55 Customer Terminal Strip; Overview - Siemens SINAMICS S120 Manual

8.20.4

X55 customer terminal strip

8.20.4.1

Overview

Description
Figure 8-27
The customer terminal block- X55 is installed in the cabinet together with the CU320-2
Control Unit. The digital inputs/outputs of the Control Unit can be used via terminal blocks -
X55-X122 and -X55-X132.
Note
Internally wired interfaces
Interfaces -X1, -X2, -X3 and -X4 are wired within the cabinet and are not available for
customer connections!
If the customer terminal block is ever replaced, connectors -X1 and -X2 must not be
interchanged! Otherwise, "Safe Torque Off" and "Safe Stop 1" will malfunction!
Cabinet Modules
Manual, 03/2013, A5E03263538A
Option G55, customer terminal block -X55
8.20 K90, Control Unit CU320-2 DP
Options
421