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APPENDICES
Appendix 1 Error Codes
2520H Invalid interrupt Even though an interrupt was requested, there is no
interrupt factor.
• Take measures to reduce noise.
• Reset the CPU module, and run it again. If the same
error code is displayed again, the possible cause is a
hardware failure of the CPU module, base unit, or
module (I/O module or intelligent function module)
connected. Please consult your local Mitsubishi
representative.
2522H Invalid interrupt An interrupt was requested from the module with no
interrupt pointer setting.
• Check and correct the interrupt pointer setting in the
module parameters.
• Take measures so that no interrupt is requested from
the module with no interrupt pointer setting.
• Check and correct the interrupt setting in the buffer
memory of the intelligent function module.
2600H Motion operation cycle
time over
The Motion CPU fixed-cycle process did not complete
within the set Motion operation cycle.
Please take measures below.
• Change the operation cycle into a large value.
• Reduce the number of command execution of the event
task or NMI task in the system setting.
If you see the same error again, there or data memory, the
CPU module, the risk of hardware failure of the memory
card. Please consult your local Mitsubishi representative.
2610H Inter-module
synchronization signal
error
An inter-module synchronization error has been detected. • Take measures to reduce noise.
• Reset the CPU module, and run it again. If the same
error code is displayed again, the possible cause is a
hardware failure of the CPU module, base unit,
extension cable, or module (I/O module or intelligent
function module) connected. Please consult your local
Mitsubishi representative.
2611H Inter-module
synchronization signal
error
An inter-module synchronization error has been detected. • Take measures to reduce noise.
• Reset the CPU module, and run it again. If the same
error code is displayed again, the possible cause is a
hardware failure of the CPU module, base unit,
extension cable, or module (I/O module or intelligent
function module) connected. Please consult your local
Mitsubishi representative.
2622H Multiple CPU synchronous
processing error
The Motion CPU fixed-cycle process did not complete
before the fixed-cycle data send section.
Please take measures below.
• Change the operation cycle into a large value.
• Reduce the number of command execution of the event
task or NMI task in the system setting.
If you see the same error again, there or data memory, the
CPU module, the risk of hardware failure of the memory
card. Please consult your local Mitsubishi representative.
2630H Multiple CPU
synchronization signal
error
A multiple CPU synchronization error has been detected. • Take measures to reduce noise.
• Reset the CPU module, and run it again. If the same
error code is displayed again, the possible cause is a
hardware failure of the CPU module or base unit.
Please consult your local Mitsubishi representative.
2631H Multiple CPU
synchronization signal
error
A multiple CPU synchronization error has been detected. • Take measures to reduce noise.
• Reset the CPU module, and run it again. If the same
error code is displayed again, the possible cause is a
hardware failure of the CPU module or base unit.
Please consult your local Mitsubishi representative.
2800H I/O number or network
number specification error
The specified I/O number in the program or parameter is
out of range (other than 000H to FFFH, 3E0H to 3E3H).
Set the I/O number within the valid range.
2801H I/O number or network
number specification error
The I/O number of the module that does not exist was
specified in the program or parameter.
Set the input and output number exists the target module.
2803H I/O number or network
number specification error
The I/O number of the module that cannot be specified in
the program or parameter was specified.
Set the input and output number of the unit that can be
specified in the program or parameter.
2810H I/O number or network
number specification error
The I/O module or intelligent function module specified in
the program or parameter cannot execute the instruction.
The possible cause is a hardware failure of the I/O module
or intelligent function module specified in the program or
parameter. Please consult your local Mitsubishi
representative.
2820H Device, label, or buffer
memory specification error
The device or label area used in the program or parameter
exceeded the specified range.
Set the label or devices specified in the program or
p
a
rameter within the usable range.
Error
code
Error name Error details and cause Corrective action
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