4 - 19
4 Safety Function Blocks
NX-series Safety Control Unit Instructions Reference Manual (Z931)
4
SF_EDM
Error Detected
The following conditions force a transition to an error state.
• An invalid process always-TRUE
Reset
signal
• An invalid process EDM signal
• Programming error that results in incorrect interconnections between
S_OutControl
and
Reset
Operation for Errors
• If an error occurs,
S_EDM_Out
changes to FALSE and the safe state is maintained.
Error
changes to TRUE and
DiagCode
shows the error state.
• You must change
Reset
to TRUE to reset EDM error messages.
• You can change
Reset
to FALSE to reset error messages for
Reset.
After the FB is started, you can change the
Reset
input to TRUE to reset the optional startup
inhibit.
FB-specific Error Codes
Instruction Execution Errors
DiagCode (hexa-
decimal)
DiagCode
(decimal)
Status name
Status description and output results
C001
49153
Reset Error 1
When the Init state was entered, an undetected change to
TRUE in the
Reset
input was detected.
Ready
= TRUE
S_EDM_Out
= FALSE
Error
= TRUE
C011
49169
Reset Error 21
An undetected change to TRUE was detected for
EDM1
and
Reset
or equivalent signals were detected during EDM Error 11
status.
(Both
Reset
and
EDM1
changed to TRUE at the same time.)
Ready
= TRUE
S_EDM_Out
= FALSE
Error
= TRUE
C021
49185
Reset Error 22
An undetected change to TRUE was detected for
EDM2
and
Reset
or equivalent signals were detected during EDM Error 12
status. (Both
Reset
and
EDM2
changed to TRUE at the same
time.)
Ready
= TRUE
S_EDM_Out
= FALSE
Error
= TRUE
C031
49201
Reset Error 23
An undetected change to TRUE was detected for
EDM1,
EDM2,
and
Reset
or equivalent signals were detected during
EDM Error 13 status. (
Reset, EDM1,
and
EDM2
changed to
TRUE at the same time.)
Ready
= TRUE
S_EDM_Out
= FALSE
Error
= 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 ...
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