Mitsubishi Electric MELSEC iQ-R Series Safety Function Block Reference page 85

Muting conditions (forward direction)
No. State transition
1 8000H→8011H
2 8011H→8012H
3 8012H→8000H
Muting conditions (backward direction)
No. State transition
11 8000H→8122H
12 8122H→8112H
13 8112H→8000H
Wrong muting sequences
Status Wrong muting sequences
8000H i_bMutingEnable=OFF AND MS_11=OFF→ON
i_bMutingEnable=OFF AND MS_22=OFF→ON
MS_12=ON OR MS_21=ON
MS_11=ON AND MS_22=ON
8011H i_bMutingEnable=OFF OR MS_11=OFF OR MS_21=ON OR MS_22=ON
8012H MS_11=OFF→ON OR MS_12=OFF→ON OR MS_22=ON→OFF
MS_11=ON AND MS_12=ON→OFF
(MS_11=ON OR MS_12=ON) AND MS_21=ON→OFF
(MS_11=OFF OR MS_12=OFF) AND MS_21=ON AND MS_22=OFF
(MS_11=OFF OR MS_12=OFF OR MS_21=OFF) AND MS_22=OFF→ON
MS_11=OFF AND MS_12=OFF AND MS_21=OFF AND MS_22=OFF
MS_11=ON AND (MS_12=OFF OR MS_21=OFF) AND MS_22=ON
MS_11=OFF AND MS_12=ON AND MS_21=OFF AND MS_22=ON
MS_21=OFF→ON AND MS_22=OFF→ON
MS_11=ON→OFF AND MS_12=ON→OFF
MS_12=ON→OFF AND MS_21=ON→OFF
MS_11=OFF AND MS_12=ON AND MS_21=OFF
8112H MS_11=ON→OFF OR MS_21=OFF→ON OR MS_22=OFF→ON
MS_21=ON→OFF AND MS_22=ON
MS_12=ON→OFF AND (MS_21=ON OR MS_22=ON)
MS_11=OFF AND MS_12=ON AND (MS_21=OFF OR MS_22=OFF)
MS_11=OFF→ON AND (MS_12=OFF OR MS_21=OFF OR MS_22=OFF)
MS_11=OFF AND MS_12=OFF AND MS_21=OFF AND MS_22=OFF
MS_11=ON AND (MS_12=OFF OR MS_21=OFF) AND MS_22=ON
MS_11=ON AND MS_12=OFF AND MS_21=ON AND MS_22=OFF
MS_11=OFF→ON AND MS_12=OFF→ON
MS_21=ON→OFF AND MS_22=ON→OFF
MS_12=ON→OFF AND MS_21=ON→OFF
MS_12=OFF AND MS_21=ON AND MS_22=OFF
8122H i_bMutingEnable=OFF OR MS_11=ON OR MS_12=ON OR MS_22=OFF
Condition/action
MS_11 is the first entry switch actuated:
Start timer i_dMaxMutingTime.
i_bMutingEnable=ON AND MS_11=OFF→ON AND MS_12=OFF AND MS_21=OFF AND MS_22=OFF
MS_12 is the second entry switch actuated:
i_bMutingEnable=ON AND MS_11=ON AND MS_12=OFF→ON AND MS_21=OFF AND MS_22=OFF
MS_21 is the first exit switch released:
Stop timer i_dMaxMutingTime.
MS_11=OFF AND MS_12=OFF AND MS_21=ON→OFF AND MS_22=ON
Condition/action
MS_22 is the first entry switch actuated:
Start timer i_dMaxMutingTime.
i_bMutingEnable=ON AND MS_11=OFF AND MS_12=OFF AND MS_21=OFF AND MS_22=OFF→ON
MS_21 is the second entry switch actuated:
i_bMutingEnable=ON AND MS_11=OFF AND MS_12=OFF AND MS_21=OFF→ON AND MS_22=ON
MS_12 is the first exit switch actuated:
Stop timer i_dMaxMutingTime.
MS_11=ON AND MS_12=ON→OFF AND MS_21=OFF AND MS_22=OFF
4 SAFETY FB SPECIFICATIONS
4.12 M+SF_MUTES_R
4
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