X55 Customer Terminal Strip; General Information - Siemens SINAMICS S120 Manual

5.6.3

X55 customer terminal strip

5.6.3.1

General information

This chapter describes only those interfaces in the cabinet unit that require additional
connection work by the customer. All other interfaces are pre-wired at the factory and are not
designed for customer connections.
Note
All connections to be established on the plant side as well as the interfaces for integration
into the plant control system are described in the circuit diagrams and terminal diagrams on
the customer DVD supplied with the device.
Description
The customer interface -X55 is installed in the cabinet independently of the CU320-2 Control
Unit. As standard, terminal strips -X41 and -X46 are occupied.
For option K90, in addition, terminal strips -X122 and -X132 are completely occupied.
(→ see Chapter "Options" in Section "K90, Control Unit CU320-2 PROFIBUS")
NOTICE
Interfaces -X1, -X2, -X3 and -X4 are wired in the cabinet and are not available for customer
connections!
If the customer terminal block is ever replaced, connectors -X1 and -X2 must not be mixed
up! Otherwise, the "Safe Torque Off" and "Safe Stop 1" safety functions will malfunction.
Cabinet Modules
Manual, (GH5), 05/2010, A5E03263538A
Cabinet Modules
5.6 Chassis format Motor Modules
195