Omron CJ1W-CTL41-E, Инструкции по эксплуатации

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Error Indicators
Section 5-1
92
5-1 Error Indicators
The RUN-, ERC-, and ERH-LEDs, at the front panel of the Counter Unit, display
the following errors.
5-1-1 Errors during initial processing
5-1-2 Errors during normal operation
RUN
CTL41
CH1
CH2
CH3
CH4
ERC
ERH
RUN ERC ERH Error Probable cause Remedy
OFF OFF ON Setup error Incorrect Unit number
Cyclic initial error Set correct Unit number and turn ON
the power again
OFF ON OFF DM-configuration
error Invalid DM-setting(s) Check the Error Code(s) in CIO (words
n+15, n+16), correct the invalid DM-
setting(s) and turn ON the power again.
Refer to section 5-2
"Error codes" for
more information on error codes and
how to clear them.
Unit error An error occurred in the Unit’s
EEPROM, RAM or CPU or a
system software error occurred Turn OFF and then ON the power again.
If errors reoccurs, then replace the
Counter Unit
OFF ON ON Unit classification
error The Unit classification was set
incorrectly Replace the Counter Unit
OFF OFF OFF Watch Dog Timer
time-out error The Unit’s Watch Dog Timer
has timed out Turn OFF and then ON the power again.
If errors reoccurs, then replace the
Counter Unit
RUN ERC ERH Error Probable cause Remedy
ON ON OFF Unit error Invalid operands specified in
IOWR-instruction
Overflow or underflow of
Simple or Linear Counter
Preset error
Unit interrupt FIFO is full
Check the Error Code(s) in CIO (words
n+15, n+16). Apply appropriate remedy
according to the cause of the error. Refer
to section 5-2
"Error codes" for more
information on error codes and how to
clear them.
ON OFF ON System error PLC Watch Dog Timer error
Fatal error
Non-fatal error
Cyclic Monitor error
I/O Bus error If cyclic refreshing is disabled,
program the PLC so that a refresh
using the IORF-instruction is
executed every 11 or fewer seconds
or remove the cause of the fatal or
non-fatal error. If the error reoccurs,
then replace the CJ-series CPU Unit.
Refer to section 5-2-6
"System
Errors" for more information.