6 Maintenance, Inspection, and Troubleshooting
6.4.5 System Registers and Error Statuses
Integer - Real
Number
Operations
Integer
Operation
(4) System Service Execution Status
(a) Data Trace Execution Status
Reserved for system use
Reserved for system use
Reserved for system use
Reserved for system use
Reserved for system use
Existence Of Data Trace Definition
Data Trace Execution Status
(b) Latest Data Trace Record Numbers
Data Trace Group 1
Data Trace Group 2
Data Trace Group 3
Data Trace Group 4
(5) Alarm Counter and Alarm Clear
Number of Alarm Occurrences
Number of Alarm History Records
Clear Alarms
6-20
Table 6.6 Ladder Program User Operation Error Status 4
Error
Error Contents
Code
1000H
Index error within drawing
2000H
Index error within function
Integer system functions
060H
Index error
to
06DH: PI
077H
( = 1,2)
071H: LLAG
075H: SLAU
Name
Table 6.7 Latest Data Trace Record Numbers
Name
Name
Register No.
SW00190
SW00191
SW00192
User*
Νο
Νο
Νο
06DH: PD
06FH: PID
072H: FGN
073H: IFGN
076H: FGN
077H: IFGN
Register No.
SW00090
SW00091
–
SW00092
SW00093
SW00094 to
–
SW00097
Bit 0 to 3 = Group 1 to 4
SW00098
Definition exists = 1, No definition = 0
Bit 0 to 3 = Group 1 to 4
SW00099
Trace stopped = 1, Trace executing = 0
Register No.
SW00100
SW00101
Latest record number
SW00102
SW00103
Remarks
The number of alarm occurrences.
The number of alarms in the alarm history.
1: Alarm cleared
2: Current alarms and alarm history cleared
System Default
Execute again when corresponding
to i, j = 0.
The i and j registers remain the
same.
Execute again when corresponding
to i, j = 0.
The i and j registers remain the
same.
Operation stopped and output =
input.
The A register remains the same.
070H: LAG
074H: LAU
–
Remarks
Remarks