
3 Safe configuration
3.5 Safety functions
32
Lenze · 8400 protec · Drive-based safety · Software Manual · DMS 2.4 EN · 05/2013 · TD05
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3.5.2.2 Enable switch (ES)
Enable Switch / ES
Description Enable Switch / ES
This function enables overriding of the standard stop functions STO
and SS1 during special
operation.
A release via the enable switch activates the parameterised motion function during special
operation and the drive can be traversed.
The stopping times assigned to the stop functions are directly deactivated/stopped.
Conditions • A safe input must be parameterised and interconnected as an enable switch. You can only
connect and parameterise one enable switch. The ES bit of the safety bus must be
deactivated (C15113
).
• The confirmation can also be selected via the safety bus using the ES bit unless a safe input
is set as an enable switch.
• The special operation must be activated. Operation mode selector (OMS)
( 31)
• The plausibility check rejects ambiguous settings until you have parameterised them
correctly.
Activation How to activate the function:
• "ON state" at a safe input to which the "enable switch" function has been assigned by
parameter setting. Safe inputs
( 42)
• Only if no safe input is used, the function can be activated via the safety bus by sending a data
telegram with a corresponding content to the controller.
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