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

Control of the safety functions

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

6.2 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)
● Adjustable input filter for suppressing faults due to non-symmetrical test signals using
● Different terminal blocks depending on the format
● Automatic ANDing of up to 12 digital inputs (p9620[0...7]) on the Control Unit for chassis
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 6- 1
Module
Control Unit
CU320-2 DP
Single Motor Module
booksize/booksize
compact
Single Motor Module/
Power Module in
chassis format
Double Motor Module
booksize/booksize
compact
Power Module
blocksize with
CUA31/CUA32
For further information about the terminals, see the Equipment Manuals.
106
parameters p9851/p9651 (SI Safe Stop 1 delay time)
format power units connected in parallel
Inputs for safety functions
1st switch-off signal path
(p9620[0])
X122.1....6 / X132.1...6
DI 0...7/16/17/20/21
(see CU320-2 DP)
(see CU320-2 DP)
(see CU320-2 DP)
(see CU320-2 DP)
2nd switch-off signal path
X21.3 and X21.4 (on the
Motor Module)
X41.1 and X41.2
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)
Function Manual, (FHS), 11/2009, 6SL3097-4AR00-0BP0
EP terminals
X21.3
X21.4
X41.1
X41.2
X21.3
X21.4
X22.3
X22.4
X210.3
X210.4
Safety Integrated