Special I/O Unit Flags/Bits - Omron CJ2 CPU UNIT SOFTWARE User Manual
Cj2 cpu unit software
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Also See for CJ2 CPU UNIT SOFTWARE:
- User manual (425 pages) ,
- Connection manual (68 pages) ,
- Manual (40 pages)
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10 CPU Unit Functions
10-4-3 Special I/O Unit Flags/Bits
Restarting and Initializing Special I/O Units
With Special I/O Units, changes to initial settings for allocated DM Area words for the CPU Unit can
be enabled by turning ON the following restart bits without turning OFF the PLC. Normally, this oper-
ation is performed with the user program.
Auxiliary Area Flags and Words
Name
Special I/O Unit Restart Bits
Special I/O Unit Initialization Flags
Special I/O Unit Errors
The following table gives error information related to Special I/O Units.
Auxiliary Area Flags and Words
Name
Special I/O Unit Number Duplica-
tion Flags
Special I/O Unit Setting Error Flag
(non-fatal error)
Special I/O Unit Setting Error, Unit
Number Flags
Special I/O Unit Error Flag
(non-fatal error)
Special I/O Unit Error, Unit Num-
ber Flags
10-38
Address
A502.00 to
Bits A502.00 to A507.15 correspond to Special I/O Units
A507.15
0 to 95. Turn ON a bit to restart the corresponding Unit.
A330.00 to
These flags correspond to Special I/O Units 0 to 95. A
A335.15
flag will be ON while the corresponding Unit is initializing
after the power is turned ON or the Unit's Restart Bit
(A502.00 to A507.15) is turned ON. Bits A330.00 to
A335.15 correspond to unit numbers 0 to 95.
Address
A411.00 to
The Duplication Error Flag (A401.13) and the corre-
A416.15
sponding flag in A411 through A416 will be turned ON
when a Special I/O Unit's unit number has been dupli-
cated. Bits A411.00 to A416.15 correspond to unit num-
bers 0 to 95.
A402.02
ON when an installed Special I/O Unit does not match the
Special I/O Unit registered in the I/O table.
A428.00 to
When a Special I/O Unit Setting Error occurs, A402.02
A433.15
and the corresponding flag in these words are turned ON.
Bits A428.00 to A433.15 correspond to unit numbers 0 to
95.
A402.06
ON when an error occurs in a data exchange between
the CPU Unit and a Special I/O Unit (including an error in
the Special I/O Unit itself).
A418.00 to
When an error occurs in a data exchange between the
A423.15
CPU Unit and a Special I/O Unit, the Special I/O Unit
Error Flag (A402.06) and the corresponding flag in these
words are turned ON.
Description
Description
CJ2 CPU Unit Software User's Manual
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How do I retrieve fault codes from plc: CJ2M-CPU35