INFORMATION
If the safe digital output is assigned to a drive safety function via the function assign-
ment, this drive safety function is selected in the case of a system error.
Critical fault
In the case of a critical error, the safety option is set to the safe state. The F-DO_STO
is switched to the safe state. In addition, the drive safety function STO is executed
without delay. Active safe communication is suspended.
In addition, the corresponding error code is transferred for the critical error that oc-
curred.
Fault messages
If there is a fault in the safety option, the basic device indicates that the safety option
is reporting a fault.
Measures for fault resolution and more information on causes can be found using the
fault status of the safety option.
11.4
Error diagnostics
The "Latest initial fault" fault status shows the fault that occurred first in the safety op-
tion with the corresponding fault code, subfault code and fault description. For internal
purposes, additional fault codes are displayed.
The current first fault is the fault that occurs after a restart or since the last acknow-
ledgment as the first fault with the highest priority.
11.4.1
Error messages
If there is a fault in the safety option, this fault is indicated as follows.
Subfault: 46.50
Description: Warning
Response: Warning with self-reset
– The safety option signals a subcomponent fault
of the type "warning".
Subfault: 46.51
Description: Fault
Response: Emergency stop and output stage inhibit with self-reset
– The safety option signals a subcomponent fault
of the type "standard fault".
Subfault: 46.52
Description: Critical fault
Response: Output stage inhibit with self-reset
– The safety option signals a subcomponent fault
of the type "critical fault".
Cause
Cause
Cause
Measure
See fault status "Subcomponent safety option"
Measure
See fault status "Subcomponent safety option"
Measure
See fault status "Subcomponent safety option"
Manual – MOVISAFE
Service
11
Error diagnostics
41
®
CSB51A Safety Option
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