Omron NY532-5400 Troubleshooting Manual page 200

3 Error Descriptions and Corrections
Event name Serial Communications Timeout
Meaning A timeout occurred in serial communications.
PLC Function Module
Source
Error attri-
Level
butes
Effects User program
System- Variable
defined
None
variables
Assumed cause
Wiring to the remote device is not
connected.
Power to the remote device is
Cause and
OFF.
correction
The communications settings or
baud rate settings are not com-
patible with the remote device.
Noise
Attached Information 1: Error Location
Attached Information 2: Error Location Details (Rung Number). For a program section, the rung number
from the start of the section is given. For ST, the line number is given.
Attached
Attached Information 3: Names of the Instruction and Instruction Instance Where the Error Occurred. If
information
there is more than one possible instruction, information is given on all of them. Nothing is given if the
instruction cannot be identified.
Attached Information 4: Expansion Error Code (ErrorIDEx)
Precautions/ If a program is changed after an error occurs, the attached information that is displayed may not be cor-
Remarks rect.
3-124
Source details
Observation
Recovery
Continues.
Operation
Data type
---
Correction
Check the wiring to the remote
device and correct the wiring if
there are any problems.
Turn ON the power to the remote
device.
Make the communications set-
tings and baud rate settings com-
patible with the remote device.
Implement noise countermea-
sures.
Event code 5401 0C0B hex
Instruction Detection
timing
---
Log category
The relevant instruction will end according to speci-
fications. The communications output will follow the
specifications of the instruction.
Name
---
Prevention
Confirm that wiring to the remote
device is connected.
Confirm that the power to the
remote device is turned ON.
Make the communications set-
tings and baud rate settings com-
patible with the remote device.
Implement noise countermea-
sures.
NY-series Troubleshooting Manual (W564)
At instruction
execution
System