Controlling the safety functions
5.3 Control of "STO" and "SS1" via terminals on the Control Unit and the Motor/Power Module
Safety Integrated
68 Function Manual, 07/2016, A5E03264275A
Control of "STO" and "SS1" for SINAMICS S120 Chassis
Description
The safety functions contained in the standard ("Safe Torque Off" and "Safe Stop 1") can be
used with the Motor Module.
Note
Refer to the circuit diagrams enclosed for the interconnections of your device.
Note
The Safety functions must be activated prior to use via parameter assignment. An
acceptance test must be
performed and an acceptance log must be created.
The following Safety Integrated Basic Functions (terms according to DIN EN 61800-5-2) can
be activated:
● Safe Torque Off (STO)
● Safe Stop 1 (SS1) (time-controlled)
Note
The integrated safety functions,
starting from the Safety Integrated (SI) input terminals of the
SINAMICS components (Control Unit, Motor Module), satisfy the requirements of
EN
61800-5-2, EN 60204-1, and DIN EN ISO 13849-1 category 3 (formerly EN 954-1), as
well as the requirements for P
erformance Level (PL) d and IEC 61508 SIL2.
In addition, most of the SINAMICS safety functions have been certified by independent
institutes. A list of currently certified components is available on request from your local
Siemens office.
This variant is used when:
● Activation will be executed optically isolated with a voltage of 24 VDC.
● Working with control lines that are shorter than 30 m.
● Devices are deployed in plants with low spatial elongation (observe the drop in voltage at
24 VDC!).
To Next Page
Loading...
Need help?
General
