5-60
5
Fault History: U3
Param-
eter
Number
Name
Description
Output Signal Level During
Multi-Function Analog Output
Min. Unit
MEMO-
BUS
Register
Display
U3-01
Last fault
The error content of 1st last fault.
(Cannot be output.)
-90H
Last Fault
U3-02
Second last fault
The error content of 2nd last fault. - 91H
Fault Message 2
U3-03
Third last fault
The error content of 3rd last fault. - 92H
Fault Message 3
U3-04
Fourth last fault
The error content of 4th last fault. - 93H
Fault Message 4
U3-05
Cumulative operation
time at fault The total operating time when the 1st previous
fault occurred.
1
hr.
94H
Elapsed Time 1
U3-06
Accumulated time of sec-
ond fault The total operating time when the 2nd previous
fault occurred.
1
hr.
95H
Elapsed Time 2
U3-07
Accumulated time of
third fault The total operating time when the 3rd previous
fault occurred.
1
hr.
96H
Elapsed Time 3
U3-08
Accumulated time of
fourth/oldest fault The total operating time when the 4th previous
fault occurred.
1
hr.
97H
Elapsed Time 4
U3-09
–
U3-14
Fifth last to tenth last
fault
The error content of the 5th to 10th last fault –
804
805H
806H
807H
808H
809H
Fault Message 5 to 10
U3-15
–
U3-20
Accumulated time of
fifth to tenth fault
Total generating time when 5th...10th previous
fault occurred
1hr
806H
80FH
810H
811H
812H
813H
Elapsed Time 5 to 10
IMPORTANT
The following errors are not recorded in the error log: CPF00, 01, 02, 03, UV1, and UV2.