Mitsubishi Electric MELSEC iQ-R Series Safety Function Block Reference page 22

State diagram
State transition of M+SF_2HAND3_R
B1=OFF AND
B2=OFF
1
3
Button 1
Released
2
8008H
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).
4 SAFETY FB SPECIFICATIONS
20
4.2 M+SF_2HAND3_R
i_bActivate=OFF
0
B1=OFF AND
B2=OFF
Buttons
3
Released
8004H
2
1
B1=OFF AND
B2=OFF
3
Locked Off
8009H
1 2
1
3
Button 2
2
Released
8007H
B1=ON AND
B2=OFF
3
Buttons
1
Actuated
8000H
2
Idle
0000H
1
i_bActivate=ON
Init
B1=ON OR
8001H
2 1
B2=ON
B1=OFF AND
B2=OFF
B2=ON
B1=OFF AND
B2=OFF
B1=OFF
1
AND
B2=OFF
Locked On
8019H
B1=OFF
AND B2=ON
3
Button 1
2
1
Actuated
8005H
4
o_bReady=OFF
o_bReady=ON
Error 1
1
C001H B1
C002H B2
C003H B1&B2
1
Error 2
C004H B2
C005H B1
C006H B1&B2
2
Timeout
(>500ms)
Button 2
1
Actuated
8006H
3
B1=ON
4
AND
Timeout
B2=OFF
(>500ms)
o_bS_TwoHand_Out=OFF
o_bS_TwoHand_Out=ON
B1=i_bS_Button1
B2=i_bS_Button2