Omron CJ2 CPU UNIT User Manual page 367

Cj2 cpu unit hardware
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Error
Error flag
Error
code
(Auxiliary
(inA400)
I/O Setting
0x80E0
A401.10: I/O
Error
Setting Error
Flag
Too Many I/O
0x80E1
A401.11: Too
Points Error
Many I/O
Points Flag
Unit/Rack
0x80E9
A401.13: Dupli-
Number
cation Error
Duplication
Flag
Error
CJ2 CPU Unit Hardware User's Manual
Flag and
word data
Area)
A405.08
The Units that are connected do not
agree with the registered I/O tables
or the number of Units that are con-
nected does not agree with the num-
ber in the registered I/O table.
An Interrupt Input Unit has been
mounted in the wrong slot, i.e., not in
one of the following slots on the CPU
Rack, or has been registered in the
registered I/O tables in any slots
other than the following slots.
• CJ2H-CPU6@-EIP: CPU Rack
slots 0 to 3
• CJ2H-CPU6@ or CJ2M-CPU3@:
Slots 0 to 4 in CPU Rack
Registered I/O tables for the CJ2H-
CPU6@-EIP or CJ2M-CPU3@ were
downloaded to the CJ2M-CPU6ņ or
CJ2M-CPU1@. Or, registered I/O
tables for the CJ2H-CPU6@ or
CJ2M-CPU1@ were downloaded to
the CJ2M-CPU6@-EIP or CJ2M-
CPU3@.
A407.13 to
One of the following values exceeds
A407.15: Too
the maximum or is allocated to more
Many I/O
than one Unit.
Points, Details
1.
The total number of I/O points
1, 2
set in the I/O tables exceeds the
maximum allowed for the CPU
Unit (bits: 000)
2.
There are more than 32 interrupt
inputs (bits: 001).
3.
Three or more Pulse I/O Mod-
ules were connected to a CJ2M
CPU Unit (bits: 100).
4.
The number of Expansion Racks
exceeds the maximum (bits:
101).
5.
More than 10 I/O Units are con-
nected to one Rack (bits: 111).
A410: CPU
The same number has been allo-
Bus Unit
cated to more than one CPU Bus
Duplicated
*5
Unit.
Number Flags
A411 to A416:
The same number has been allo-
Special I/O
cated to more than one Special I/O
Unit Dupli-
*6
Unit.
cated Num-
ber Flags
Probable cause
• If the number of Units is not correct, turn OFF the
power supply and correctly connect the proper
Units.
• With the CJ2 CPU Unit, if the I/O verification oper-
*2
ation
incorrect, mismatch errors will be detected for all
Units registered in the I/O tables. If this occurs
even when the number of Units is correct, it is
possible that a Unit has failed and is not being
correctly recognized. Generate new I/O tables,
and then read the I/O tables and check for Units
that are not being recognized.
• If the number of Units is correct, confirm the Unit
in discrepancy, turn OFF the power supply, and
then correct the Unit connections.
• If there is a mistake in the I/O tables, generate
new I/O tables or edit the tables to correct the mis-
take.
• When an Interrupt Input Unit is used, A405.08 will
turn ON if the Interrupt Input Unit is in the wrong
position or is registered in the wrong position.
• If the Unit is connected in a slot on the CPU Rack
that is not in the specified range, move the Unit to
one of the specified CPU Rack slots.
• If the Unit is mounted in a slot on the CPU Rack
that is not in the specified range, correct the I/O
tables so that the Interrupt Input Unit is correctly
registered to one of the specified slots.
Delete or correct the I/O tables using the CX-Pro-
grammer.
Correct the problem and then turn the power supply
OFF and back ON.
*4
Check the unit numbers, eliminate the duplications,
and turn the Rack's power supply OFF and then ON
again.
Check the unit numbers, eliminate the duplications,
and turn the Rack's power supply OFF and then ON
again.
Appendices
Possible remedy
*1
is performed when the number of Units is
A-105

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