4 Safety Function Blocks
4 - 68
NX-series Safety Control Unit Instructions Reference Manual (Z931)
Error Detected
• The FB detects the absence of a mode selection as an error. This invalid state is detected after
ModeMonitorTime
elapses.
• The invalid state restarts with each change to FALSE of an
S_ModeX
switched mode input,
and the state changes to ModeChanged (8005) after the FB is activated.
• If more than one mode input is selected at the same time, an error is detected immediately.
• If
Reset
is already TRUE when error state C001 or C002 is entered, the FB detects the unde-
tected change to TRUE as an error.
Operation for Errors
• When an error occurs, the
S_ModeXSel
and
S_AnyModeSel
outputs change to their safe states,
FALSE. The
DiagCode
output gives the relevant error code and the
Error
output changes to
TRUE.
• Errors are recognized when the
Reset
input changes to TRUE and the FB changes from an error
state to the ModeChanged state.
FB-specific Error Codes
Instruction Execution Errors
DiagCode (hexadecimal)
DiagCode
(decimal)
Status name
Status description and output results
C001
49153
Error Short-circuit
The FB detected that more than one
S_ModeX
input
is TRUE.
For example, the cable may be short-circuited.
Ready
= TRUE
Error
= TRUE
S_AnyModeSel
= FALSE
All
S_ModeXSel
= FALSE
C002
49154
Error Open-circuit
The FB detected that all
S_ModeX
inputs are
FALSE. The time after an
S_ModeX
input changed
exceeded
ModeMonitorTime.
For example, the
cable may be broken.
Ready
= TRUE
Error
= TRUE
S_AnyModeSel
= FALSE
All
S_ModeXSel
= FALSE
C003
49155
Reset Error 1
When the Error Short-circuit state was entered, an
undetected change to TRUE in the
Reset
input was
detected.
Ready
= TRUE
Error
= TRUE
S_AnyModeSel
= FALSE
All
S_ModeXSel
= FALSE
C004
49156
Reset Error 2
When the Error Open-circuit state was entered, an
undetected change to TRUE in the Reset input was
detected.
Ready
= TRUE
Error
= TRUE
S_AnyModeSel
= FALSE
All
S_ModeXSel
= FALSE
Содержание NX-SL series
Страница 8: ...CONTENTS 6 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Страница 14: ...Terms and Conditions Agreement 12 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Страница 28: ...Sections in this Manual 26 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Страница 98: ...2 Standard Functions 2 64 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Страница 104: ...2 Standard Functions 2 70 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Страница 110: ...2 Standard Functions 2 76 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Страница 130: ...3 Safety Standard Function Blocks 3 20 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Страница 265: ...I 1 I NX series Safety Control Unit Instructions Reference Manual Z931 Index ...
Страница 268: ...I 4 NX series Safety Control Unit Instructions Reference Manual Z931 Index ...
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