Omron CJ - 09-2009 Operation Manual page 564

Error Processing
Error Program-
ming
Console
display
CPU Bus CPU BU
Unit Setup ST ERR
error
Special I/O SIOU
Unit Setup SETUP
error ERR
Other Errors
516
Error Flag and
code (in word data
A400)
0400 to A40203: An installed CPU Bus Unit
040F CPU Bus does not match the CPU
Unit Set- Bus Unit registered in the I/O
ting Error table.
Flag
The corresponding flag in
A427: CPU A427 will be ON. Bits 00 to
Bus Unit 15 correspond to unit num-
Setting bers 0 to F.
Error, Unit
Number
Flags
0500 to A40202: An installed Special I/O Unit
055F Special I/O does not match the Special
Unit Set- I/O Unit registered in the I/O
ting Error table.
Flag
The corresponding flag in
A428 to A428 to A433 will be ON.
A433: Spe- Bits A42800 to A43315 cor-
cial I/O Unit respond to unit numbers 0 to
Setting 95.
Error, Unit
Number
Flags
Peripheral Port Communications Error
A communications error has occurred in communications with the device con-
nected to the peripheral port if the indicators have the following conditions.
Power Supply
Unit Indicator
POWER
ON
Check the setting of pin 4 on the DIP switch and the peripheral port settings in
the PLC Setup. Also check the cable connections.
RS-232C Port Communications Error
A communications error has occurred in communications with the device con-
nected to the RS-232C port if the indicators have the following conditions.
Power Supply
Unit Indicator
POWER
ON
Check the setting of pin 5 on the DIP switch and the RS-232C port settings in
the PLC Setup. Also check the cable connections. If a host computer is con-
nected, check the communications settings of the serial port on the host com-
puter and the communications program in the host computer.
Probable cause
Change the registered I/O table.
Change the registered I/O table.
CPU Unit Indicators
RUN ERR/ALM
ON ---
CPU Unit Indicators
RUN ERR/ALM
--- ---
Section 11-2
Possible remedy
INH PRPHL COMM
--- OFF
INH PRPHL COMM
--- --- OFF
---