SINAMICS S120 Cabinet Modules
Engineering Information
SINAMICS Engineering Manual – November 2015
Ó Siemens AG
404/528
7.2.3 Information about equipment handling of air-cooled units
7.2.3.1 Customer terminal block -X55
Overview
The customer terminal block -X55 is the signal interface of the Cabinet Module to the higher level control and collects
a range of internal cabinet signals on a central terminal block module mounted near the bottom of the Cabinet
Module.
The customer terminal block -X55 is used in Cabinet Modules of type Motor Module in Chassis format and, in
conjunction with a CU320-2 Control Unit, in Cabinet Modules of type Basic Line Module, Smart Line Module, Active
Line Module and Booksize Cabinet Kits.
Design of the customer terminal block -X55 on air-cooled SINAMICS S120 Cabinet Modules
Terminals -X122, -X132, -X41 and -X46 are provided for connection of customer signal cables. The connectable
cable cross-section is 1.5 mm² for both solid and stranded cables.
Terminals -X1 to -X4 are assigned internally in the cabinet depending on how the Cabinet Module is equipped
(without CU320-2 or with CU320-2 DP (option K90) or CU320-2 PN (option K95)).
The customer terminal block -X55 includes: Motor Modules Chassis Line Modules / Booksize Cabinet Kits
With CU320-2
(option K90 or K95)
Without CU320-2 With CU320-2
(option K90 or K95)
Without CU320-2
12 digital inputs DI
(-X122, -X132)
X - X -
8 bidirectional inputs / outputs DI / DO
(-X122, -X132)
X - X -
Safety functions
"Safe Torque Off / Safe Stop 1"
(-X41)
X - -
1)
-
1)
Temperature sensor KTY84, PT1000,
PT100, PTC
(-X41)
X X -
1)
-
1)
Safe Brake Adapter
(-X46)
X X - -
1)
Connection is provided on the separate customer terminal block -X55.1 or -X55.2 on Booksize Cabinet Kits
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