Handling Errors And Alarms; Indicators And Error Flowchart - Omron CS1W-AD041-V1 Operation Manual

Handling Errors and Alarms

!Caution Do not turn OFF the power supply or restart the Unit while the Set Bit is ON
!Caution When making adjustments, be sure to perform both the offset adjustment and
2-8 Handling Errors and Alarms
2-8-1

Indicators and Error Flowchart

Indicators
While the Clear Bit is ON, the adjusted value will be cleared and reset to
the default offset and gain values when the Set Bit turns ON.
3. To finish the clearing of adjusted values, turn OFF bit 05 (the Clear Bit) of
CIO word n+1.
C
CONT
SHIFT
2
#
RESET
(data is being written to the EEPROM). Otherwise, illegal data may be written
in the Unit's EEPROM and "EEPROM Errors" may occur when the power sup-
ply is turned ON or when the Unit is restarted, causing a malfunction.
gain adjustment at the same time.
Note The EEPROM can be overwritten 50,000 times.
If an alarm or error occurs in the Analog Input Unit, the ERC or ERH indica-
tors on the front panel of the Unit will light.
LED Meaning
RUN (green) Operating
ERC (red) Unit has
detected an
error
ADJ (yellow) Adjusting
ERH (red) Error in the
CPU Unit
A A B A
0 1 0
0
200105
200105
Front panel of Unit
RUN
ERC ERH
ADJ
Indicator
Lit Operating in normal mode.
Not lit Unit has stopped exchanging data with
the CPU Unit.
Lit Alarm has occurred (such as disconnec-
tion detection) or initial settings are incor-
rect.
Not lit Operating normally.
Flashing Operating in offset/gain adjustment
mode.
Not lit Other than the above.
Lit Error has occurred during data exchange
with the CPU Unit.
Not lit Operating normally.
Section 2-8
F
MON
5
^ ON
^ OFF
Operating status
69