Event name
SF_Equivalent Error
Meaning
An error was detected in execution of a safety function block.
Source
Depends on where the Sysmac Stu-
dio is connected and the system con-
figuration.
Error attributes
Level
Effects
User program
System-defined
Variable
variables
None
Cause and
Assumed cause
correction
Refer to information on the diagnostic
code that is given for attached infor-
mation 1 in the NX-series Safety Con-
trol Unit Instructions Reference
Manual (Cat. No. Z931).
Attached
Attached information 1: Diagnostic code
information
Precautions/
None
Remarks
Event name
SF_ESPE Error
Meaning
An error was detected in execution of a safety function block.
Source
Depends on where the Sysmac Stu-
dio is connected and the system con-
figuration.
Error attributes
Level
Effects
User program
System-defined
Variable
variables
None
Cause and
Assumed cause
correction
Refer to information on the diagnostic
code that is given for attached infor-
mation 1 in the NX-series Safety Con-
trol Unit Instructions Reference
Manual (Cat. No. Z931).
Attached
Attached information 1: Diagnostic code
information
Precautions/
None
Remarks
Event name
SF_GuardLocking Error
Meaning
An error was detected in execution of a safety function block.
Source
Depends on where the Sysmac Stu-
dio is connected and the system con-
figuration.
Error attributes
Level
Effects
User program
System-defined
Variable
variables
None
Cause and
Assumed cause
correction
Refer to information on the diagnostic
code that is given for attached infor-
mation 1 in the NX-series Safety Con-
trol Unit Instructions Reference
Manual (Cat. No. Z931).
Attached
Attached information 1: Diagnostic code
information
Precautions/
None
Remarks
NX-series Safety Control Unit User's Manual (Z930)
Source details
Minor fault
Recovery
Continues.
Operation
Data type
None
Correction
Implement the correction for the rele-
vant cause of the diagnostic code that
is given for attached information 1.
Source details
Minor fault
Recovery
Continues.
Operation
Data type
None
Correction
Implement the correction for the rele-
vant cause of the diagnostic code that
is given for attached information 1.
Source details
Minor fault
Recovery
Continues.
Operation
Data type
None
Correction
Implement the correction for the rele-
vant cause of the diagnostic code that
is given for attached information 1.
9 Troubleshooting
Event code
74A4 0000 hex
NX Unit
Detection timing
Implement the
Log category
correction.
The Unit continues to operate.
Name
None
Prevention
Program operation considering the
corrections that are given on the left.
Event code
74A5 0000 hex
NX Unit
Detection timing
Implement the
Log category
correction.
The Unit continues to operate.
Name
None
Prevention
Program operation considering the
corrections that are given on the left.
Event code
74A6 0000 hex
NX Unit
Detection timing
Implement the
Log category
correction.
The Unit continues to operate.
Name
None
Prevention
Program operation considering the
corrections that are given on the left.
In DEBUG mode
(RUN) or RUN
mode
System
In DEBUG mode
(RUN) or RUN
mode
System
9
In DEBUG mode
(RUN) or RUN
mode
System
9 - 25
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