BECKHOFF EL6900-FB - Manual (Page 50)

Function blocks
48 Function blocks for TwinSAFE logic terminals
3.7.2.1 Diagnostic and status information for FB TWO-HAND
Table 3-34: Diagnostic information (16-bit value)
Index Description
0 Discrepancy error input group 1
1 Discrepancy error input group 2
2 Discrepancy error between the two input groups
6 Two-hand error
Table 3-35: Status information (8-bit value)
Index Description
0 undefined
1 RUN
2 STOP
3 SAFE
4 ERROR
5 RESET
6 START
11 1BUTTON
12 2BUTTON
13 RELEASE