6.4 Troubleshooting System Errors
6-9
6
Maintenance and Inspection
6.4 Troubleshooting System Errors
This section provides troubleshooting information for system errors.
6.4.1 Outline of System Registers
The LED indicators on the front of the Basic Module can be used to determine MP2300 operating status and error
status. To obtain more detailed information on errors, the system (S) registers can be used. A detailed check of the
contents of system registers can be used to determine the location of the error and take the corrective measures.
The following table shows the overall structure of the system registers. Refer to the sections given on the right for
details.
SW00000
System Service Register
SW00030
System Status
→
6.4.5 ( 1 ) System Status
on page 6-14
SW00050
System Error Status
→
6.4.5 ( 2 ) System Error Status
on page 6-15
SW00080
User Operation Error Status
→
6.4.5 ( 3 ) Ladder Program User Operation Error Status
on
page 6-16
SW00090
System Service Execution Status
→
6.4.5 ( 4 ) System Service Execution Status
on page 6-19
SW00110
User Operation Error Status Details
→
6.4.5 ( 3 ) Ladder Program User Operation Error Status
on
page 6-16
SW00190
Alarm Counter and Alarm Clear
→
6.4.5 ( 5 ) Alarm Counter and Alarm Clear
on page 6-19
SW00200
System I/O Error Status
→
6.4.5 ( 6 ) System I/O Error Status
on page 6-19
SW00500
Reserved by the system.
SW00698
Interrupt Status
SW00800
Module Information
→
6.4.5 ( 8 ) MP2300 Module Information
on page 6-22
SW01312
Reserved by the system.
SW02048
Reserved by the system.
SW03200
Motion Program Information
→
6.5 Motion Program Alarms
on page 6-24
SW05200
to SW08191
Reserved by the system.