ABB AC500-S Safety User Manual page 316

Configuration and programming
AC500-S Libraries > SafetyBlocks_PLCopen_AC500_v22.lib
DiagCode State Name
8008 Button 1
Released
8009 Locked Off
8019 Locked On
4.6.6.10 SF_GuardLocking
Standards Requirements
EN 953: 1997 3.3.3 Control Guard
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EN 1088: 1995 3.3 Definition: Interlocking Guard With Guard Locking
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4.2.2 – Interlocking Device With Guard Locking
Conditional unlocking ("four-state interlocking"), see Fig. 3 b2)
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State Description and Output Setting
The safety related output was enabled and is disabled again.
FALSE at both S_Button1 and S_Button2 was not achieved after disabling
the safety related output.
In this state, S_Button1 is FALSE and S_Button2 is TRUE after disabling
the safety related output.
Ready = TRUE
Error = FALSE
S_TwoHandOut = FALSE
The safety related output was enabled and is disabled again.
FALSE at both S_Button1 and S_Button2 was not achieved after disabling
the safety related output.
In this state, S_Button1 is TRUE and S_Button2 is TRUE after disabling
the safety related output.
Ready = TRUE
Error = FALSE
S_TwoHandOut = FALSE
Incorrect actuation of the buttons. Waiting for release of both buttons.
Ready = TRUE
Error = FALSE
S_TwoHandOut = FALSE
The hazardous machine functions "covered" by the guard cannot operate until the
guard is closed;
Closing the guard initiates operation of the hazardous machine function(s).
The hazardous machine functions "covered" by the guard cannot operate until the
guard is closed and locked;
The guard remains closed and locked until the risk of injury from the hazardous
machine functions has passed;
When the guard is closed and locked, the hazardous machine functions "covered"
by the guard can operate, but the closure and locking of the guard do not by them-
selves initiate their operation.
AC500-S 30.03.2017