6
Installation and Operation
EDBC250SIO | 2.0
80
6.6
Reset / Acknowledge Error
The error class decides whether and how an error can be acknowledged, see section
►
8.1.13. Errorclass CPU 1: 200Ah.
Error Class
Explanation
Acknowledged / Reset by
0
No error
Not required
1
Serious or synchronization error
PowerCycle
2
Internal communication error
PowerCycle
3
I/O error
Error Acknoledge
4
Error in ErrorHandler or at the outputs
PowerCycle
5
Fatal error
Non-acknowledgeable
PowerCycle:
After removing the cause of the error, you can reset the Safety I/O-module by a power cycle
(PowerCycle -> turn off and back on) provided that the automatic self-test is passed.
Error Acknowledge:
Input or output errors can be reset by the Safety controller c250-S.
WARNING
Reset / acknowledge may cause a dangerous state
Apart from the exceptions specified, acknowledging an error will immediately
restore the safe output to its normal state of operation.
Before acknowledging an error, verify that its cause has been removed
professionally.
Before acknowledging an error, verify that acknowledging it will not cause a
dangerous machine state.
At the machine or system planning stage, make sure that acknowledging an
error must not be possible unless you have full view of the danger zone.