Omron NX-SID Series User Manual

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

Omron NX-SID Series Specifications

General

Brand	Omron
Model	NX-SID Series
Category	Controller
Language	English