ABB AC500-S Safety User Manual page 225

After activation of the FB, any button set to TRUE is detected as an invalid input setting leading
to an error.
Error behavior In the event of an error, the S_TwoHandOut output is set to FALSE and remains in this safe
state.
The error state is exited when both buttons are released (set to FALSE).
Function block- Table 40: FB-specific error codes
specific error
DiagCode
and status
codes C001
C002
C003
Table 41: FB-specific status codes (no error):
DiagCode
0000
8000
8001
8004
2020/06/19
State name State description and output setting
Error B1 S_Button1 was TRUE on FB activation.
Ready = TRUE
Error = TRUE
S_TwoHandOut = FALSE
Error B2 S_Button2 was TRUE on FB activation.
Ready = TRUE
Error = TRUE
S_TwoHandOut = FALSE
Error B1&B2 The signals at S_Button1 and S_Button2 were TRUE on FB acti-
vation.
Ready = TRUE
Error = TRUE
S_TwoHandOut = FALSE
State name State description and output setting
Idle The function block is not active (initial state).
Ready = FALSE
Error = FALSE
S_TwoHandOut = FALSE
Buttons Both buttons actuated correctly. The safety related output is ena-
Actuated bled.
Ready = TRUE
Error = FALSE
S_TwoHandOut = TRUE
Init Function block is active, but in the Init state.
Ready = TRUE
Error = FALSE
S_TwoHandOut = FALSE
Buttons No button is actuated.
Released
Ready = TRUE
Error = FALSE
S_TwoHandOut = FALSE
3ADR025091M0208, 12, en_US
Configuration and programming
AC500-S libraries > SafetyBlocks_PLCopen_AC500_v22.lib
225