MDP 101-1
05.06.2020 Page 39
4 Safety Function
The MDD 100 servo drive system supports the safety functions SS1 (Safe Stop 1) and STO
(Safe Torque Off), and meets the requirements for Category 4 Performance Level "e"
according to EN ISO 13849-1 and SIL3 according to EN 62061.
For his purpose, the servo amplifier has two safe inputs ENABLE_L und ENABLE_H.
The relay output S1/S2 can be used to provide the status of the safety function. It is not
safety-relevant, but can be used to test the external safety function.
The stop brake control is not a component of the safety function. If a safe shutdown of the
stop brake is required, the +24 V-BR brake supply must also be shut down externally.
For the 24 V supply, only PELV/SELV can be used.
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