Omron NY532-5400 Troubleshooting Manual page 189

Event name Stack Underflow
Meaning There is no data in a stack.
PLC Function Module
Source
Level
Error attributes
Effects User program
System- Variable
defined
None
variables
Assumed cause
Cause and
An attempt was made to read
correction
data from a stack that contains no
data.
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.
Event name Illegal Number of Array Elements or Dimensions
The valid range was exceeded for the number of array elements or dimensions in an array I/O parameter
Meaning
for an instruction.
PLC Function Module
Source
Error attri-
Level
butes
Effects User program
System- Variable
defined
None
variables
Assumed cause
The valid range was exceeded for
Cause and
the number of array elements or
correction
dimensions in an array I/O
parameter for an instruction.
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.
NY-series Troubleshooting Manual (W564)
Source details
Observation Recovery
Continues.
Operation
Data type
---
Correction
Correct the program so that the
data is read only after it is stored
in the stack.
Source details
Observation
Recovery
Continues.
Operation
Data type
---
Correction
Correct the instruction so that the
valid range for the number of
array elements or dimensions in
an array I/O parameter is not
exceeded.
3 Error Descriptions and Corrections
Event code 54010414 hex
Instruction Detection
timing
--- Log category
The relevant instruction will end according to speci-
fications.
Name
---
Prevention
Correct the program so that the
data is read only after it is stored
in the stack.
Event code 54010416 hex
Instruction Detection
timing
---
Log category
The relevant instruction will end according to speci-
fications.
Name
---
Prevention
Correct the instruction so that the
valid range for the number of
array elements or dimensions in
an array I/O parameter is not
exceeded.
At instruction
execution
System
3
At instruction
execution
System
3-113