Safety engineering
Safety functions
Repair mode select
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EDS94AYAF EN 1.0
1.3.15 Repair mode select
1.3.15.1 Description
Repair Mode Select / RMS
This function moves the drive from a situation that is blocking it ("Deadlock").
In the safety concept, this state is accounted for as a special case for actuating an axis
connected, the encoders connected being evaluated in a non−safety−rated fashion.
Note!
In repair mode, the safety functions are solely restricted to the
parameterisable stop functions STO and SS1 (without ramp monitoring) and
the effectiveness of the enable switch.
Danger!
Uncontrolled motor rotation possible
The RMS operating mode may lead to unexpected motions with unexpected
speed.
Possible consequences:
ƒ The RMS operating mode may lead to a violation of the permissible motion
limits of the axis.
Protective measures:
ƒ The RMS function can only be used to free an axis from a "deadlock". If
possible, use the OMS function!
ƒ In the RMS operating mode, only the enable switch is effective. Use
additional safety measures to ensure that no person is endangered.
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