BECKHOFF EL6900-FB - Manual (Page 81)

Function blocks
Function blocks for TwinSAFE logic terminals 79
3.14.2.1 Diagnostic and status information for FB CONNECTION SHUTDOWN
Table 3-69: Diagnostic information (16-bit value)
Index Description
0 Discrepancy error input group 1
Table 3-70: Status information (8-bit value)
Index Description
0 undefined
2 STOP
3 SAFE
4 ERROR
5 RESET
10 ACTIVE
11 DEACTIVE