Yaskawa MP900 Series Ladder Programming Manual - Manual (Page 381)

A.3 System Error Status
A-7
System Registers
AppA
A.3 System Error Status
Details on the system errors are stored in registers SW00050 to SW00079.
Name Register Address Contents
32-bit Error Code
SW00050
0001 hex Watchdog timer error
0041 hex ROM diagnostic error
0042 hex RAM diagnostic error
0043 hex CPU diagnostic error
0044 hex FPU diagnostic error
0050 hex EXIO error
0051 hex Module synchronization error *1
00E0 hex Read address exception error
0100 hex Write address exception error
0120 hex FPU exception error
0180 hex General illegal instruction exception error
01A0 hex Slot illegal instruction exception error
01E0 hex User break after instruction execution
0800 hex General FPU suppression exception error
0820 hex Slot FPU suppression exception error
SW00051 For system error analysis
32-bit Error Address
SW00052
For system error analysis
SW00053
Error Task SW00054
0000 hex: System, 0001 hex: DWG.A, 0002 hex: DWG.I,
0003 hex: DWG.H, 0005 hex: DWG.L
Program Type SW00055
0000 hex: System, 0001 hex: DWG.A, 0002 hex: DWG.I,
0003 hex: DWG.H, 0005 hex: DWG.L, 0008 hex: Function,
000F hex: Motion program/sequence program
Error Drawing No. SW00056
Ladder program parent drawing: FFFF hex
Ladder program function: 8000 hex
Ladder program child drawing: xx00 hex (xx hex: Child drawing number)
Ladder program grandchild drawing: xxyy hex (yy hex: Grandchild draw-
ing number)
Motion program/sequence program: F0xx hex (xx hex: Program number)
Calling Drawing Type SW00057
Type of the calling drawing in which the error occurred
0001 hex: DWG.A, 0002 hex: DWG.I, 0003 hex: DWG.H,
005 hex: DWG.L, 8000 hex: Ladder program function,
000F hex: Motion program/sequence program,
0010 hex: Reserved for system, 0011 hex: Reserved for system.
Calling Drawing No. SW00058
Number of the calling drawing in which the error occurred
Parent drawing:
FFFF hex
Function: 0100 hex
Child drawing: xx00 hex
(xx hex: Child drawing number)
Grandchild drawing: xxyy hex
(yy hex: Grandchild drawing number)
Calling Drawing Step
No.
SW00059
Step number in the calling drawing in which the error occurred
This number is set to 0 if the error occurred in the parent drawing.