12.4
Troubleshooting System Errors
12-9
12.4 Troubleshooting System Errors
This section provides troubleshooting information for system errors.
12.4.1 Outline of System Errors
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.
Details on system registers are provided below.
( 1 ) System Register Allocations
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
→
12.4.4 ( 1 ) System Status on page 12-14
SW00050 System Error Status
→
12.4.4 ( 2 ) System Error Status on page 12-15
SW00080 User Operation Error Status
→
12.4.4 ( 3 ) Ladder Program User Operation Error Status on
page 12-16
SW00090 System Service Execution Status
→
12.4.4 ( 4 ) System Service Execution Status on page 12-18
SW00110 User Operation Error Status Details
→
12.4.4 ( 3 ) Ladder Program User Operation Error Status on
page 12-16
SW00190 Alarm Counter and Alarm Clear
→
12.4.4 ( 5 ) System I/O Error Status on page 12-18
SW00200 System I/O Error Status
→
12.4.4 ( 5 ) System I/O Error Status on page 12-18
SW00500 Reserved by the system.
SW00698 Interrupt Status
SW00800 Module Information
→
12.4.4 ( 7 ) Module Information on page 12-20
SW01312 Reserved by the system.
SW02048 Reserved by the system.
SW03200 Motion Program Information
→
12.5 Motion Program Alarms on page 12-21
SW05200
to SW08191
Reserved by the system.
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