Omron NX-SL series

4 Safety Function Blocks
4 - 94
NX-series Safety Control Unit Instructions Reference Manual (Z931)
Forward Direction
Muting Condition 1 (8000 to 8011) (when MS_11 is the first switch to enable muting)
Timer for MaxMutingTime started: MutingEnable AND (R_TRIG at MS_11 AND NOT MS_12 AND NOT
MS_21 AND NOT MS_22)
Muting Condition 2 (8011 to 8012) (when MS_12 is the second switch to enable muting)
MutingEnable AND (MS_11 AND R_TRIG at MS_12 AND NOT MS_21 AND NOT MS_22)
Muting Condition 3 (8012 to 8000) (when MS_21 is the first switch to disable muting)
Timer for MaxMutingTime stopped: NOT MS_11 AND NOT MS_12 AND F_TRIG at MS_21 AND
MS_22
Backward Direction
Muting Condition 11 (8000 to 8122) (when MS_22 is the first switch to enable muting)
Timer for MaxMutingTime started: MutingEnable AND (NOT MS_11 AND NOT MS_12 AND NOT
MS_21 AND R_TRIG at MS_22)
Muting Condition 12 (8122 to 8112) (when MS_21 is the second switch to enable muting)
MutingEnable AND (NOT MS_11 AND NOT MS_12 AND R_TRIG at MS_21 AND MS_22)
Muting Condition 13 (8112 to 8000) (when MS_12 is the first switch to disable muting)
Timer for MaxMutingTime stopped: MS_11 AND F_TRIG at MS_12 AND NOT MS_21 AND NOT
MS_22
Illegal Muting Sequences:
State 8000: (NOT MutingEnable AND R_TRIG at MS_11) OR (NOT MutingEnable AND R_TRIG at
MS_22) OR (MS_12 OR MS_21) OR (MS_11 AND MS_22)
State 8011: NOT MutingEnable OR NOT MS_11 OR MS_21 OR MS_22
State 8012: R_TRIG at MS_11 OR R_TRIG at MS_12 OR F_TRIG at MS_22
State 8122: NOT MutingEnable OR MS_11 OR MS_12 OR NOT MS_22
State 8112: F_TRIG at MS_11 OR R_TRIG at MS_21 OR R_TRIG at MS_22
Muting Conditions