Function modules
8.11 Extended stop and retract
Drive functions
Function Manual, 11/2017, 6SL3097-4AB00-0BP5
577
Triggering for all drives of a Control Unit
Conditions for triggering the function:
● ESR function has been configured in the drive, e.g. stopping or retraction.
● ESR function has been enabled in the drive.
● The pulse enable has been set.
A distinction is made between the following fault sources:
● Communication failure:
– The Control Unit detects the communication failure and triggers autonomous reactions
in all the enabled drives.
– A status checkback signal is no longer possible.
– The higher-level control removes the "Master control by PLC" signal (F07220).
– Interruption of data transmission via the fieldbus (F01910 or F08501).
● External trigger signal
– An external trigger signal from the control triggers the ESR function via the telegrams
390, 391 or 392.
Invalid sources
The following DRIVE-CLiQ communication failures do not produce an ESR trigger:
● Pulse suppression of the motor modules is present
The drive switches to OFF2 and coasts to a standstill.
● Failure of encoder modules as motor measuring system
The system is switched to operation without encoder and a parameterized stop response
is initiated.
● Failure of encoder modules as a direct application-specific measuring system
The application is shut down and a parameterized stop response is initiated.
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