Event name
MUX Error
Event code
55020000 hex
Meaning
An MUX instruction error was detected.
Source
Depends on where the Sysmac
Studio is connected and the sys-
tem configuration.
Source details
NX Unit
Detection tim-
ing
In DEBUG
mode (RUN) or
RUN mode
Error attrib-
utes
Level
Minor fault
Recovery
Automatic re-
covery
Log category
System
Effects
User program
Continues.
Operation
The CPU Unit executes NX bus communications
but execution of the user program stops. (All I/O
data will remain at 0.)
System-de-
fined varia-
bles
Variable
Data type
Name
None
None
None
Cause and
correction
Assumed cause
Correction
Prevention
The value of the selection input
(K) to the MUX instruction is not
correct.
Correct the program so that the
value of the selection input (K) to
the MUX instruction is in range.
Perform the following corrections
according to the operating mode
of the Safety CPU Unit.
•
RUN mode: Change to PRO-
GRAM mode and transfer the
corrected user program.
•
DEBUG mode (RUN): Change
to PROGRAM mode and
transfer the corrected user
program.
Program operation considering
the corrections that are given on
the left.
Attached in-
formation
Attached infor-
mation 1:
0x01000ADD: The value of the selection input (K) is negative.
0x01000ADE: The value of the selection input (K) exceeded the upper limit of the se-
lection range.
Precautions/
Remarks
The CPU Unit executes NX bus communications but execution of the user program stops. (All I/O data
will remain at 0.)
l
Setting Errors
12 Troubleshooting
12 - 55
NX-series Safety Control Unit User's Manual (Z930)
12-3 Checking for Errors with the Sysmac Studio
12
12-3-4 Error Descriptions
Summary of Contents for NX-SIH400
Page 4: ...Introduction 2 NX series Safety Control Unit User s Manual Z930 ...
Page 46: ...Revision History 44 NX series Safety Control Unit User s Manual Z930 ...
Page 108: ...2 Specifications 2 42 NX series Safety Control Unit User s Manual Z930 ...
Page 132: ...3 Installation and Wiring 3 24 NX series Safety Control Unit User s Manual Z930 ...
Page 148: ...4 Safety Control Unit Operation 4 16 NX series Safety Control Unit User s Manual Z930 ...
Page 216: ...5 System Configuration and Setup 5 44 NX series Safety Control Unit User s Manual Z930 ...
Page 306: ...6 Programming 6 90 NX series Safety Control Unit User s Manual Z930 ...
Page 390: ...8 Calculating Safety Reaction Times 8 12 NX series Safety Control Unit User s Manual Z930 ...
Page 412: ...11 Safety Data Logging 11 10 NX series Safety Control Unit User s Manual Z930 ...
Page 504: ...12 Troubleshooting 12 92 NX series Safety Control Unit User s Manual Z930 ...
Page 554: ...l I O Map Settings Appendices A 42 NX series Safety Control Unit User s Manual Z930 ...
Page 623: ...I Index I 1 NX series Safety Control Unit User s Manual Z930 I ...
Page 625: ......