4 Safety Function Blocks
4 - 40
NX-series Safety Control Unit Instructions Reference Manual (Z931)
Error Detected
The discrepancy time between
S_ChannelA
and
S_ChannelB
is monitored when either of them
changes to TRUE or FALSE.
Operation for Errors
• If an error is detected,
S_EquivalentOut
changes to FALSE and
Error
changes to TRUE.
Diag-
Code
shows the error state
.
• If an error occurs in an input, make the inputs for both channels inactive (make
S_ChannelA
and
S_ChannelA
FALSE) to reset the FB.
FB-specific Error Codes
FB-specific State Codes (No Error)
Instruction Execution Errors
DiagCode (hexadecimal)
DiagCode
(decimal)
Status name
Status description and output results
C001
49153
Error 1
S_ChannelB
did not change to TRUE within
Moni-
toringTime
in the Wait for Channel B state (8004).
Ready
= TRUE
S_EquivalentOut
= FALSE
Error
= TRUE
C002
49154
Error 2
S_ChannelA
did not change to TRUE within
Moni-
toringTime
in the Wait for Channel A state (8014).
Ready
= TRUE
S_EquivalentOut
= FALSE
Error
= TRUE
C003
49155
Error 3
The input did not change within the monitoring time
while changing from the From Active Wait (8005) to
the Init (8001) state.
S_ChannelA
or
S_ChannelB
did not change to FALSE within the monitoring time
after the other input changed to FALSE.
Ready
= TRUE
S_EquivalentOut
= FALSE
Error
= TRUE
DiagCode (hexadecimal)
DiagCode
(decimal)
Status name
Status description and output results
0000
0
Idle
The FB is disabled (default).
Ready
= FALSE
S_EquivalentOut
= FALSE
Error
= FALSE
8001
32769
Init
The FB detected an activate signal and the FB is
active.
Ready
= TRUE
S_EquivalentOut
= FALSE
Error
= FALSE
8000
32768
Safety Output Enabled
An input changed to TRUE in Equivalent Mode.
Ready
= TRUE
S_EquivalentOut
= TRUE
Error
= FALSE
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 ...
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