Efficient Networks Siemens Sinamics S120 - Manual (Page 315)

Safety Integrated basic functions
9.6 Control via terminals on the Control Unit and the power unit
Drive Functions
Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4
315
Parameter overview (see SINAMICS S List Manual)
● p0799 CU inputs/outputs sampling times
● r9780 SI monitoring clock cycle (Control Unit)
● r9880 SI monitoring clock cycle (Motor Module)
9.6 Control via terminals on the Control Unit and the power unit
Features
● Only for the STO, SS1 (time-controlled) and SBC functions
● Dual-channel structure via two digital inputs (Control Unit/power unit)
● Different terminal strips depending on design
● Automatic ANDing of up to 8 digital inputs (p9620[0...7]) on the Control Unit with parallel
configuration of chassis type power units
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 9-2 Inputs for safety functions
1. Switch-off signal path (p9620[0]) 2. Switch-off signal path
Control Unit CU320 X122.1....4 / X132.1...4 (on the
CU320) digital input 0 to 7
(see Motor Modules / Power
Modules)
Single Motor Module
Booksize
(see CU320) X21.3 and X21.4 (on the Motor
Module)
Single Motor Module
Chassis
(see CU320) X41.1 and X41.2 (on the CIB)
Double Motor Module
Booksize
(see CU320) X21.3 and X21.4 (motor
connection X1)/X22.3 and X22.4
(motor connection X2) (on the
Motor Module)
Power Module Blocksize
with CUA31
(see CU320) X210.3 and X210.4 (on the
CUA31)
Power Module Blocksize
with CU310
X121.1...4 (on the CU310) digital
input 0 to 3
X120.7 and X120.8 (on the
CU310)
Power Module Chassis
with CU310
X121.1...4 (on the CU310) digital
input 0 to 3
X41.1 and X41.2 (on the CIB)
For further information about the terminals, see the Equipment Manuals.