DiagCode State Name State Description and Output Setting
8008 Button 1
Released
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
8009 Locked Off 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
8019 Locked On Incorrect actuation of the buttons. Waiting for release of both buttons.
Ready = TRUE
Error = FALSE
S_TwoHandOut = FALSE
4.6.6.10 SF_GuardLocking
Standards Requirements
EN 953: 1997 3.3.3 Control Guard
n The hazardous machine functions "covered" by the guard cannot operate until the
guard is closed;
n Closing the guard initiates operation of the hazardous machine function(s).
EN 1088: 1995 3.3 Definition: Interlocking Guard With Guard Locking
n The hazardous machine functions "covered" by the guard cannot operate until the
guard is closed and locked;
n The guard remains closed and locked until the risk of injury from the hazardous
machine functions has passed;
n 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.
4.2.2 – Interlocking Device With Guard Locking
Conditional unlocking ("four-state interlocking"), see Fig. 3 b2)
Configuration and programming
AC500-S Libraries > SafetyBlocks_PLCopen_AC500_v22.lib
30.03.2017AC500-S316