3.14 Implementing a user acknowledgment
Send data must be reintegrated after communication, channel and F-I/O faults.
The existing operations provide the following options:
● Parameter "ACK_REI":
Special acknowledgment for the reintegration for each F-I/O
● Safety function "ACK_GL":
Acknowledgment to simultaneously reintegrate all F-I/O of an F-runtime group
In your safety program, you must always provide the possibility of acknowledging the
reintegration of F-I/O. You can implement the user acknowledgment as follows:
● User acknowledgment using an operating control and monitoring system
● User acknowledgment using an acknowledgment button at one of the F-I/O
– Assigning the inputs to the F-CPU of the I-Slaves/I-Devices
– Assigning the inputs to the F-CPU of the DP master / I/O controller
Additional information
● Implementing user acknowledgment for global reintegration (Page 236)
● You can find additional information and examples in the help for SIMATIC STEP 7 Safety
Advanced under keywords "ACK_REI", "ACK_GL" as well as in Chapter "Implementing a
user acknowledgment".
Safety program of the F-PLC
3.14 Implementing a user acknowledgment
Safety Integrated (with SINAMICS S120)
Commissioning Manual, 02/2020, A5E46305916B AB 87
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