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2120
[SP. UNIT LAY ERR.]
The locations of the Q5 B/Q6 B, QA1S6 B/
QA6 B, and QA6ADP+A5 B/A6 B are
improper.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• At power ON/At reset
Check the location of the base unit.
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
Q00J/Q00/Q01
*4
Qn(H)
QnPH
2121
[SP. UNIT LAY ERR.]
The CPU module is installed to other than the CPU
slot and slots 0 to 2.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• At power ON/At reset
Check the loading position of the CPU module and
reinstall it at the correct slot.
Qn(H)
QnPH
2122
[SP. UNIT LAY ERR.]
The QA1S6 B/QA6 B and QA6ADP+A5 B/
A6 B are used for the main base unit.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• At power ON/At reset
Replace the main base unit with a usable one.
Qn(H)
QnPH
QnPRH
2124
[SP. UNIT LAY ERR.]
• A module is mounted on the 65th slot or later
slot.
• A module is mounted on the slot whose number
is greater than the number of slots specified at
[Slots] in [Standard setting] of the base setting.
• A module is mounted on the slot whose number
of I/O points exceeds 4096 points.
• A module is mounted on the slot whose number
of I/O points strides 4096 points.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• At power ON/At reset
• Remove the module mounted on the 65th slot or
later slot.
• Remove the module mounted on the slot whose
number is greater than the number of slots
specified at [Slots] in [Standard setting] of the
base setting.
• Remove the module mounted on the slot whose
number of I/O points exceeds 4096 points.
• Replace the module with the one whose number
of occupied points does not exceed 4096 points.
Qn(H)
QnPH
QnPRH
QnU
*7
[SP. UNIT LAY ERR.]
• A module is mounted on after the 25th slot (on
after the 17th slot for the Q00UJ).
• A module is mounted on the slot whose number
is later than the one set in the "Base setting" on
the I/O assignment tab of PLC parameter in GX
Developer.
• A module is mounted on the slot for which I/O
points greater than 1024 (greater than 256 for
the Q00UJ) is assigned.
• A module is mounted on the slot for which I/O
points is assigned from less than 1024 to greater
than 1024 (from less than 256 to greater than
256 for the Q00UJ).
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• At power ON/At reset
• Remove the module mounted on after the 25th
(on after the 17th slot for the Q00UJ).
• Remove the module mounted on the slot whose
number is later than the one set in the "Base
setting" on the I/O assignment tab of PLC
parameter in GX Developer.
• Remove the module mounted on the slot for
which I/O points greater than 1024 (greater than
256 for the Q00UJ) is assigned.
• Replace the end module with the one whose
number of occupied points is within 1024 (within
256 for the Q00UJ).
Q00UJ
Q00U/Q01U
Error
Code
(SD0)
Error Contents and Cause Corrective Action
LED Status
CPU Status
Corresponding
CPU
*4 The function version is A.
*7 The Universal model QCPU except the Q00UJCPU, Q00UCPU, Q01UCPU, and Q02UCPU.