Control Signals By Way Of Terminals On The Control Unit And Motor/Power Module - Siemens SINAMICS S120 Function Manual

9.7 Control signals by way of terminals on the Control Unit and
Motor/Power Module
Features
● Only for the STO, SS1 (time-controlled) and SBC functions
● Dual-channel structure via two digital inputs (Control Unit/power unit)
● Input filter for test signals with a dark period of less than 1 ms
● Different terminal strips depending on design
● Automatic ANDing of up to 8 digital inputs (p9620[0...7]) on the Control Unit with parallel
Overview of the safety function terminals for SINAMICS S120
The different power unit formats of SINAMICS S120 have different terminal designations for
the inputs of the safety functions. These are shown in the following table.
Table 9- 5
Control Unit CU320
CU310/D410
D425/435/445
CX32
Single Motor Module
booksize/booksize
compact
Single Motor Module
chassis
Double Motor Module
booksize/booksize
compact
Power Module blocksize
with CUA31/CUA32
Power Module blocksize
with CU310
Power Module chassis
with CU310
*CIB: Communication Interface Board
For further information about terminals, see the Equipment Manuals.
Drive functions
Function Manual, (FH1), 10/2008, 6SL3097-2AB00-0BP5

9.7 Control signals by way of terminals on the Control Unit and Motor/Power Module

configuration of chassis type power units
Inputs for safety functions
1. Switch-off signal path (p9620[0])
X122.1....4 / X132.1...4 (on the
CU320) digital input 0 to 7
X121.1....4 (on the CU310/D410)
digital inputs 0 to 3
X122.1....4 / X132.1...4 (on
D425/35/45) digital input 0 to 7
X122.0....3 (on CX32) digital input 0
to 3
(see CU320)
(see CU320)
(see CU320)
(see CU320)
X121.1...4 (on the CU310) digital
input 0 to 3
X121.1...4 (on the CU310) digital
input 0 to 3
Safety Integrated basic functions
2. Switch-off signal path
(see Motor Modules / Power
Modules)
(see Motor Modules / Power
Modules)
(see Motor Modules / Power
Modules)
(see Motor Modules / Power
Modules)
X21.3 and X21.4 (on the Motor
Module)
X41.1 and X41.2 (on the CIB*)
X21.3 and X21.4 (motor
connection X1)/X22.3 and X22.4
(motor connection X2) (on the
Motor Module)
X210.3 and X210.4 (on the
CUA31/CUA32)
X120.7 and X120.8 (on the
CU310)
X41.1 and X41.2 (on the CIB*)
377