Omron NJ Series Troubleshooting Manual page 193

Event code Event name
348C0000 hex I/O Number
Specification
Error in
Adjustment
Mode
CJ-series Process I/O Units
The section provides tables of the events that can occur in the following Units.
CJ1W-PDC15
CJ1W-AD04U
CJ1W-PH41U
Event code Event name
04600000 hex A/D Conver-
sion Error
04610000 hex Cold Junction
Sensor Error
04620000 hex Non-volatile
Memory
Error
348D0000 hex Data Range
Error
647A0000 hex Input Error
647D0000 hex Zero/Span
Adjustment
Period End
647E0000 hex Zero/Span
Adjustment
Period Notice
NJ-series Troubleshooting Manual (W503)
Meaning Assumed cause
The I/O numbers • The I/O numbers that were
specified in Adjust- specified in Adjustment Mode
ment Mode are not are not enabled.
enabled or the I/O
• The setting of the Adjustment
numbers are wrong.
I/O Number (device variable
*_AdjCh) is incorrect, so adjust-
ment is not possible.
Meaning Assumed cause
An error occurred in • There is a source of noise
A/D conversion. nearby.
• A/D converter failed.
An error occurred in • Faulty connection to the cold
the cold junction junction sensor for the CJ1W-
sensor. PH41U.
• The cold junction sensor failed.
An error occurred in • There is a source of noise
non-volatile mem- nearby.
ory.
• Non-volatile memory failed.
A set value is out of • A set value is out of range.
range.
An input error • The analog input signal is out of
occurred. range.
• Input wiring is broken.
• Input wiring disconnection or
loose terminal
The zero/span • The zero/span adjustment
adjustment period period expired.
expired.
The zero/span • The notification period for the
adjustment period expiration of zero/span adjust-
is close to expiring. ment occurred.
3 Error Tables
Level
Maj Prt Min Obs Info
U S CJ-series
Analog I/O
Units Opera-
tion Manual for
NJ-series
CPU Unit (Cat.
No. W490)
Level
Maj Prt Min Obs Info
S U CJ-series
Analog I/O
Units Opera-
tion Manual for
NJ-series
CPU Unit (Cat.
No. W498)
S U Same as
above.
S Same as
above.
S Same as
above.
S U Same as
above.
U S Same as
above.
U S Same as
above.
Reference
3
Reference
3-131