Siemens SINAMICS S120 Function Manual page 864
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- Function manual (1094 pages) ,
- Diagnostic manual (947 pages) ,
- Manual (848 pages)
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Basic information about the drive system
12.5 Inputs/outputs
Access priorities
● Reparameterization output controller --> output drive via parameter p0738 ff
● Reconfiguration input drive --> output controller
● Reconfiguration output drive --> output controller
Fault reaction to controller failure
The onboard I/Os assigned to the controller are switched to the safe state in response to a
fault.
This also applies to terminals whose signals are transferred via the bypass channel of the
controller. This status is signaled by failure of the DO1 telegram (sign-of-life failure).
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The drive output has higher priority than a standard controller output using the DO1
telegram, but direct access by the controller to the terminal (bypass) has higher priority
than the drive output.
When the output is reconfigured to the drive, the controller needs to cancel a bypass to
the terminals (if one has been set up) before the new configuration can take effect.
The output of the controller has higher priority. This is the specified behavior.
The drive is notified of the change so that the affected application can issue an alarm.
The output of the controller has higher priority.
This is the specified behavior.
The drive is notified of the change so that the affected application can issue an
alarm/fault message is necessary. Readback of the output information can cause
problems in the drive, i.e. the drive application checks the interconnection condition of
"its" terminals. If the terminal remains assigned to a drive I/O device as required by the
drive function, but is assigned simultaneously a controller terminal status, the drive
function cannot be guaranteed to work correctly.
Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3
Drive functions
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