4 Safety Function Blocks
4 - 74
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 start muting)
Timers for MaxMutingTime and DiscTime11_12 started: MutingEnable AND (R_TRIG at MS_11 AND
NOT MS_12 AND NOT MS_21 AND NOT MS_22)
Muting Condition 1 (8000 to 8311) (when MS_12 is the first switch to start muting)
Timers for MaxMutingTime and DiscTime11_12 started: MutingEnable AND (NOT MS_11 AND
R_TRIG at MS_12 AND NOT MS_21 AND NOT MS_22)
Muting Condition 2 (8011 to 8012) (when MS_12 is the second switch to start muting)
Timer for DiscTime11_12 stopped: MutingEnable AND (MS_11 AND R_TRIG at MS_12 AND NOT
MS_21 AND NOT MS_22)
Muting Condition 2 (8311 to 8012) (when MS_11 is the second switch to start muting)
Timer for DiscTime11_12 stopped: MutingEnable AND (R_TRIG at MS_11 AND MS_12 AND NOT
MS_21 AND NOT MS_22)
Muting Condition 3 (8000 to 8012) (when both switches simultaneously start muting)
Timer for MaxMutingTime started: MutingEnable AND (R_TRIG at MS_11 AND R_TRIG at MS_12
AND NOT MS_21 AND NOT MS_22)
Muting Condition 4 (8012 to 8021) (when all switches are active)
MS_11 AND MS_12 AND MS_21 AND MS_22
Muting Condition 24 (8012 to 8014) (when MS_21 is the first switch to stop muting)
Timer for DiscTime21_22 started: MS_11 AND MS_12 AND R_TRIG at MS_21 AND NOT MS_22
Muting Condition 24 (8012 to 8314) (when MS_22 is the first switch to stop muting)
Timer for DiscTime21_22 started: MS_11 AND MS_12 AND NOT MS_21 AND R_TRIG at MS_22
Muting Condition 25 (8014 to 8021) (when MS_22 is the second switch to stop muting)
Timer for DiscTime21_22 stopped: MS_11 AND MS_12 AND MS_21 AND R_TRIG at MS_22
Muting Condition 25 (8314 to 8021) (when MS_21 is the second switch to stop muting)
Timer for DiscTime21_22 stopped: MS_11 AND MS_12 AND R_TRIG at MS_21 AND MS_22
Muting Condition 5 (8021 to 8000) (when one of the muting stop switches is reset)
Timer for MaxMutingTime stopped: NOT MS_11 AND NOT MS_12 AND (F_TRIG at MS_21 OR
F_TRIG at MS_22)
Backward Direction
Muting Condition 11 (8000 to 8122) (when MS_21 is the first swi
tch to start muting)
T
i
mers for MaxMutingTime and DiscTime21_22 started: MutingEnable AND (NOT MS_22 AND
R_TRIG at MS_21 AND NOT MS_11 AND NOT MS_12)
Muting Condition 11 (8000 to 8422) (when MS_22 is the first switch to start muting)
Timers for MaxMutingTime and DiscTime21_22 started: MutingEnable AND (R_TRIG at MS_22 AND
NOT MS_21 AND NOT MS_11 AND NOT MS_12)
Muting Condition 12 (8122 to 8121) (when MS_22 is the second switch to start muting)
Timer for DiscTime21_22 stopped: MutingEnable AND (MS_21 AND R_TRIG at MS_22 AND NOT
MS_11 AND NOT MS_12)
Muting Condition 12 (8422 to 8121) (when MS_21 is the second switch to start muting)
Timer for DiscTime21_22 stopped: MutingEnable AND (R_TRIG at MS_21 AND MS_22 AND NOT
MS_11 AND NOT MS_12)
Muting Condition 13 (8000 to 8121) (when both switches simultaneously start muting)
Timer for MaxMutingTime started: MutingEnable AND (R_TRIG at MS_21 AND R_TRIG at MS_22
AND NOT MS_11 AND NOT MS_12)
Muting Condition 14 (8121 to 8112) (when all switches are active)
MS_11 AND MS_12 AND MS_21 AND MS_22
Muting Condition 44 (8121 to 8114) (when MS_11 is the first switch to stop muting)
Timer for DiscTime11_12 started: MS_21 AND MS_22 AND R_TRIG at MS_11 AND NOT MS_12