Mitsubishi Electric MELSEC iQ-R Series Safety Function Block Reference page 33

State diagram
State transition of M+SF_ENBLSW_R
i_bActivate=OFF
0
1
Operation
Error 3
C030H
2
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
Basic
Operation
Mode
8004H
1
i_bS_SafetyActive=ON
1
Safe
Operation
2
Enable switch
Mode
Not in position1
8005H
3
Enable switch
in position1
1
R_TRIG at i_bReset=ON
OR i_bS_AutoReset=ON
Position 1
8006H
2
3
Enable
Enable
switch in
switch in
position1
position3
3
Position 3
1
Enable switch
8007H
in position2
2
Enable switch
in position2
2
Operation
(R_TRIG at
Error 4 4
i_bReset)=ON OR
C040H
1
i_bS_AutoReset=ON
3
2
Reset
Error 2
1 C002H
2
Position 2
1
8000H 3
1
Operation
Error 1
Enable switch
C010H
2 in position1
Enable switch
Not in position1
2
Operation
Error 2
4
C020H
i_bReset=ON AND
R_TRIG at i_bReset=OFF
AND i_bS_AutoReset=OFF
Position1:
i_bS_EnableSwCh1=OFF AND
i_bS_EnableSwCh2=ON
Position2:
i_bS_EnableSwCh1=ON AND
i_bS_EnableSwCh2=ON
Position3:
(i_bS_EnableSwCh1=OFF AND
i_bS_EnableSwCh2=OFF)
OR
(i_bS_EnableSwCh1=ON AND
i_bS_EnableSwCh2=OFF)
o_bS_EnableSw_Out=OFF
o_bS_EnableSw_Out=ON
o_bReady=OFF
o_bReady=ON
i_bReset=
OFF 1
1
2
Reset
Error 1
C001H
3
4 SAFETY FB SPECIFICATIONS
4.4 M+SF_ENBLSW_R
4
31