Omron CJ1W-PRT21 Operation Manual page 85

Error Program-
ming
Console
display
Cycle CYCLE
Time TIME ERR
Overrun
error
I/O Bus I/O BUS
error ERR
I/O Table I/O SET
Setting ERR
error
66
Error Flag and
code (in word data
A400)
809F A40108: The cycle time has
Cycle Time exceeded the maximum
Too Long cycle time (watch cycle time)
Flag set in the PC Setup.
80C0 to A40114: I/O Error has occurred in the
80CE or Bus Error bus line between the CPU
80CF Flag and I/O Units or the End
Cover is not connected to
A404: I/O
the CPU Rack or an Expan-
Bus Error
sion Rack.
Slot and
Rack Num- A40400 to A40407 contain
bers the error slot number (00 to
09) in binary. 0F Hex indi-
cates that the slot cannot be
determined. 0E Hex indi-
cates the End Cover is not
connected to the CPU Rack
or an Expansion Rack.
A40408 to A40415 contain
the error rack number (00 to
03) in binary. 0F Hex indi-
cates that the rack cannot be
determined. 0E Hex indi-
cates the End Cover is not
connected to the CPU Rack
or an Expansion Rack.
80E0 A40110: I/O The Units that are connected
Setting do not agree with the regis-
Error Flag tered I/O table or the number
of Units that are connected
does not agree with the
number in the registered I/O
table.
(The CJ1W-OC201 Contact
Output Unit must be set as a
16-point Output Unit in the I/
O tables made on the CX-
Programmer because this
Unit is allocated 1 word even
though it has only 8 outputs.
An I/O setting error will occur
if this Unit is set as an 8-
point Unit.)
Probable cause
Change the program to reduce the cycle
time or change the maximum cycle time
setting.
Check the Maximum Interrupt Task
Processing Time in A440 and see if the
Cycle Time Watch Time can be
changed.
The cycle time can be reduced by divid-
ing unused parts of the program into
tasks, jumping unused instructions in
tasks, and disabling cyclic refreshing of
Special I/O Units that do not require fre-
quent refreshing.
Try turning the power OFF and ON
again.
If the error is not corrected, turn the
power OFF and check cable connections
between the I/O Units and Racks and the
End Covers.
Check for damage to the cable or Units.
Turn ON the power after correcting the
cause of the error.
Any discrepancies in the I/O table will be
detected when the I/O verification opera-
tion is performed. If this error occurs
even when the number Units is correct,
there may be a faulty Unit. Automatically
create the I/O tables and check for Units
that are not being detected.
If the number of Units is not correct, turn
OFF the power supply and correctly con-
nect the proper Units.
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, rec-
reate or edit them to correct the mistake.
Appendix
Possible remedy