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4 Safety Function Blocks
4 - 38
NX-series Safety Control Unit Instructions Reference Manual (Z931)
Note Transitions to the Idle state from any other state are not shown for when
Activate
changes to FALSE. How-
ever, the transition to the Idle state has the highest priority (0).
State Transition Diagram
1
2
3
1
1
1
1
1
1
1
2
2
2
2
3
3
0
Idle
0000
Init
8001
Error 3
C003
Error 1
C001
Error 2
C002
Wait for
Channel A
8014
Wait for
Channel B
8004
From Active
Wait
8005
Safety
Output
Enabled
8000
Activate
NOT Activate
NOT S_ChannelA AND
NOT S_ChannelB
NOT S_ChannelA AND
NOT S_ChannelA AND
NOT S_ChannelB
NOT S_ChannelB
NOT S_ChannelA AND
NOT S_ChannelB
NOT S_ChannelA AND
NOT S_ChannelA AND
NOT S_ChannelB
NOT S_ChannelB
NOT S_ChannelA AND
NOT S_ChannelB
S_ChannelA AND
S_ChannelA AND
S_ChannelB
S_ChannelB
S_ChannelA AND
S_ChannelB
S_ChannelA
NOT S_ChanneB
NOT S_ChanneB
NOT S_ChannelB
S_ChannelB AND
S_ChannelB AND
NOT S_ChannelA
NOT S_ChannelA
S_ChannelB AND
NOT S_ChannelA
NOT S_ChannelA AND
NOT S_ChannelA AND
NOT S_ChannelB
NOT S_ChannelB
NOT S_ChannelA AND
NOT S_ChannelB
NOT S_ChannelA
NOT S_ChannelA
NOT S_ChannelA
S_ChannelA AND
S_ChannelA AND
NOT S_ChannelB
NOT S_ChannelB
S_ChannelA AND
NOT S_ChannelB
Discrepancy Time Elapsed
Discrepancy Time Elapsed
Discrepancy Time Elapsed
Discrepancy
Time Elapsed
Discrepancy
Time Elapsed
S_ChannelA XOR
S_ChannelA XOR
S_ChannelB
S_ChannelB
S_ChannelA XOR
S_ChannelB
S_ChannelB
Ready =FALSE
Ready =TRUE
S_EquivalentOut=FALSE
S_EquivalentOut=TRUE
Summary of Contents for NX-SL series
Page 8: ...CONTENTS 6 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Page 28: ...Sections in this Manual 26 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Page 98: ...2 Standard Functions 2 64 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Page 104: ...2 Standard Functions 2 70 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Page 110: ...2 Standard Functions 2 76 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Page 265: ...I 1 I NX series Safety Control Unit Instructions Reference Manual Z931 Index ...
Page 268: ...I 4 NX series Safety Control Unit Instructions Reference Manual Z931 Index ...
Page 269: ......