Mitsubishi Electric MELSEC iQ-R Series Safety Function Block Reference page 47

State diagram
State transition of M+SF_GLOCK_R
i_bActivate=OFF
0
i_bS_SafetyActive=OFF
AND
i_bS_GuardMon=OFF
2
Guard Open
and Unlocked
8012H
1
1
Guard Closed
but Unlocked
8013H
2
(R_TRIG at i_bUnlockRequest)=ON
AND i_bS_SafetyActive=ON
Note: The transition from any state to the Idle state due to i_bActivate=OFF is not shown. However these transitions have the highest priority (0).
Idle
0000H
1
i_bActivate=ON
i_bReset=ON AND
(R_TRIG at i_bReset)=OFF
AND i_bS_StartReset=OFF
1
Init
8001H
i_bReset=OFF
3
2
i_bS_GuardLock=OFF OR
i_bS_GuardMon=OFF
(R_TRIG at
i_bReset)=ON
2
Wait for
Operator
8011H
1
3
i_bReset=ON AND
(R_TRIG at i_bReset)=OFF
2
AND
i_bS_AutoReset=OFF
Wait for
Reset 1
8003H
3
(R_TRIG at i_bReset)=ON
OR i_bS_AutoReset=ON
Guard Closed
and Locked
1
8000H
2
Reset Error 1
C001H
1
i_bReset
Reset Error 2
=OFF 1
C002H
i_bReset=ON AND
(R_TRIG at i_bReset)=OFF
1
Safety Return
8014H
3
2
i_bS_SafetyActive
=OFF
i_bS_SafetyActive
=ON
1
i_bS_SafetyActive=OFF AND
(i_bS_GuardMon=OFF
OR i_bS_GuardLock=OFF)
Reset Error 3
C003H
i_bReset=OFF
1
o_bS_GuardLocked=OFF
o_bS_GuardLocked=ON
i_bS_GuardLock=OFF OR
i_bS_GuardMon=OFF
4 SAFETY FB SPECIFICATIONS
o_bReady=OFF
o_bReady=ON
Safety Lost
C004H
4.7 M+SF_GLOCK_R
4
45