Siemens Sinamics G120 Function Manual page 219
Safety integrated
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- List manual (1256 pages) ,
- Manual (732 pages) ,
- Operating instructions manual (550 pages)
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Preconditions
● STO is not active.
If you start the forced checking procedure with STO active, then the inverter responds with
a fault.
● The motor is switched on (ON/OFF1 = 1), and is at a standstill (speed setpoint = 0).
Procedure
To start the forced checking procedure of the extended functions, proceed as follows:
1. Start the forced checking procedure using a signal of your choice, for example a digital
input.
2. The inverter checks its safety-related circuits. During the check, the inverter outputs alarms
C01798 and C30798. This check takes several milliseconds.
3. Set the signal to start the forced checking procedure to zero.
4. Check that neither alarm A01699 nor alarm A01697 is active.
5. Check the fail-safe digital outputs of the inverter.
6. Check the fail-safe digital output of the inverter.
You have performed the forced checking procedure of the extended functions.
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD
Testing fail-safe digital inputs (Page 215)
Testing a fail-safe digital output (Page 220)
6.2 Regularly testing the safety functions
Operation
219
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