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4 Safety Function Blocks
NX-series Safety Control Unit Instructions Reference Manual (Z931)
4
SF_MutingPar
Muting Condition 44 (8121 to 8414) (when MS_12 is the first switch to stop muting)
Timer for DiscTime11_12 started: MS_21 AND MS_22 AND NOT MS_11 AND R_TRIG at MS_12
Muting Condition 45 (8114 to 8112) (when MS_12 is the second switch to stop muting)
Timer for DiscTime11_12 stopped: MS_21 AND MS_22 AND MS_11 AND R_TRIG at MS_12
Muting Condition 45 (8414 to 8112) (when MS_11 is the second switch to stop muting)
Timer for DiscTime11_12 stopped: MS_21 AND MS_22 AND R_TRIG at MS_11 AND MS_12
Muting Condition 15 (8112 to 8000) (when one of the muting stop switches is reset)
Timer for MaxMutingTime stopped: NOT MS_21 AND NOT MS_22 AND (F_TRIG at MS_11 OR
F_TRIG at MS_12)
Illegal Muting Sequences:
State 8000:
(MutingEnable = FALSE at start of muting sequence) OR
((MS_11 OR MS_12) AND (MS_21 OR MS_22)) OR
(R_TRIG at MS_11 AND MS_12 AND NOT R_TRIG at MS_12) OR
(R_TRIG at MS_12 AND MS_11 AND NOT R_TRIG at MS_11) OR
(R_TRIG at MS_21 AND MS_22 AND NOT R_TRIG at MS_22) OR
(R_TRIG at MS_22 AND MS_21 AND NOT R_TRIG at MS_21) OR
((MS_11 AND NOT R_TRIG at MS_11) AND (MS_12 AND NOT R_TRIG at MS_12)) OR
((MS_21 AND NOT R_TRIG at MS_21) AND (MS_22 AND NOT R_TRIG at MS_22))
State 8011: NOT MutingEnable OR NOT MS_11 OR MS_21 OR MS_22
State 8311: NOT MutingEnable OR NOT MS_12 OR MS_21 OR MS_22
State 8012: NOT MS_11 OR NOT MS_12
State 8021: R_TRIG at MS_11 OR R_TRIG at MS_12 OR R_TRIG at MS_21 OR R_TRIG at MS_22
State 8014: NOT MS_11 OR NOT MS_12 OR NOT MS_21
State 8314: NOT MS_11 OR NOT MS_12 OR NOT MS_22
State 8122: NOT MutingEnable OR MS_11 OR MS_12 OR NOT MS_21
State 8422: NOT MutingEnable OR MS_11 OR MS_12 OR NOT MS_22
State 8121: NOT MS_21 OR NOT MS_22
State 8112: R_TRIG at MS_11 OR R_TRIG at MS_12 OR R_TRIG at MS_21 OR R_TRIG at MS_22
State 8114: NOT MS_21 OR NOT MS_22 OR NOT MS_11
State 8414: NOT MS_21 OR NOT MS_22 OR NOT MS_12
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