Functional Safety - Siemens SINAMICS Series Operating Instructions Manual

Functional safety

13.1 Functional safety: Deactivated – Activated
STO circuit deactivated
Jumper in terminal X200/1:2 (STO to P24): STO circuit is deactivated.
Here, the STO input is deactivated and the STO is therefore deselected. Converter operation
is possible independent of the signal states at the STO input.
● The converter is supplied in this state. The terminals 105 and 106 are jumpered in the
delivery state (no emergency stop).
● Applications where STO is not used.
STO circuit activated
Jumper in terminal X200 must be removed: STO circuit is activated.
Safety relay can be connected.
13.2 General technical specifications of the DCM (6RA80)
Table 13- 1
Functional safety
MTTF
Diagnostics coverage (DC) according to ISO 13849-1/IEC 61508
Maximum operating altitude above MSL
T1 value for proof test interval or service duration according to
ISO 13849-1/IEC 61508
Response time when activating STO
For installation altitude > 2000 m, select a suitable safety relay and coupling relay (contactor
1)
relay).
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A
SINAMICS DCM
according to ISO 13849-1
D
13
500 years
99%
4000 m
1)
20 years
Maximum 250 ms
709