Mitsubishi Electric M800 Series Manual page 131

M800/M80/E80/C80 Series Alarm/Parameter Manual
10 User PLC Alarms (U)
U10 Illegal PLC
Details
Maximum project No. illegal (at PLC system startup)
Multi-project parameter setting is illegal (due to the following reason).
The value outside the setting range (1 to number of usable project) was detected.
Remedy
(1) Check the presence of the expansion project additional specification and reconsider the setting range.
(2) The multi-project parameter (maximum project No.) setting is illegal. Set the multi-project parameter again.
(3) If (1) or (2) does not solve the problem, there is a possibility that the NC system is broken. Contact Mitsub-
ishi.
U10 Illegal PLC
Details
Project ratio illegal
Multi-project parameter setting is illegal (due to the following reason).
It was detected that the total of ratios of all projects was outside the range from 0 to 100.
Remedy
(1) The multi-project parameter (project ratio) setting is illegal. Set the multi- project parameter again.
(2) If (1) does not solve the problem, there is a possibility that the NC system is broken. Contact Mitsubishi.
U10 Illegal PLC
Details
Temporary memory area over (at the PLC system startup)
Multi-project parameter setting is illegal (due to the following reason).
The ratio to which the area after the project ratio setting is smaller than the size of ladder stored in the
temporary memory area was detected.
Remedy
(1) Check the presence of the large-capacity PLC additional specification and reconsider the size that can be
stored.
(2) The multi-project parameter (project ratio) setting is illegal. Set the multi- project parameter again.
(3) If (1) or (2) does not solve the problem, there is a possibility that the NC system is broken. Contact Mitsub-
ishi.
U10 Illegal PLC
Details
Built-in ROM area over (at the PLC system startup)
Multi-project parameter setting is illegal (due to the following reason).
The ratio to which the area after the project ratio setting is smaller than the size of ladder stored in the built-
in ROM area was detected.
Remedy
(1) Check the presence of the large-capacity PLC additional specification and reconsider the size that can be
stored.
(2) The multi-project parameter (project ratio) setting is illegal. Set the multi- project parameter again.
(3) If (1) or (2) does not solve the problem, there is a possibility that the NC system is broken. Contact Mitsub-
ishi.
U10 Illegal PLC
Details
Comment area over (at the PLC system startup)
Multi-project parameter setting is illegal (due to the following reason).
The ratio to which the area after the project ratio setting is smaller than the size of comment and message
stored in the built-in ROM area.
Remedy
(1) The multi-project parameter (project ratio) setting is illegal. Set the multi- project parameter again.
(2) If (1) does not solve the problem, there is a possibility that the NC system is broken. Contact Mitsubishi.
IB-1501279-H
0x500*
0x510*
0x520*
0x530*
0x540*
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