Yaskawa MP940 - Manual (Page 354)

9.2 System Errors
9-9
9
Note: For registers SB00419, SB0041C, SB0041D, and SB0041E, refer to
A.9F in 10.2.1 Troubleshooting Problems with Alarm Displays.
There are no alarm indicators on the MP940, but there is an ALARM CPU status bit. When the ERR
indicator is lit, an alarm has occurred if this bit is ON.
CPU Error
Status SW00041 SB000410 Serious failure 1: WDGE, undefined command
See SW00050 for more details.
SB000411 Program memory error 1: Program memory error
SB000412
SB000413 Reserved by system. (Not used.)
SB000414
SB000415
SB000416
SB000417
SB000418 User operation error 1: User operation error
SB000419 I/O error 1: I/O error
SB00041A Illegal interrupt 1: Illegal interrupt
SB00041B Transmission error 1: LIO communications error
SB00041C SVA 1: Error detected
SB00041D CNTR 1: Error detected
SB00041E Communications option
(M-LINK/DeviceNet) 1: Error detected
SB00041F CERF failure 1: Error detected
Name
Register
No.
Contents
INFO
Name
Register
No.
Contents
H scan
timeout
counter SW00044 Number of H scan timeouts.
S scan timeout
counter SW00045 Number of S scan timeouts.
L scan timeout
counter SW00046 Number of L scan timeouts.
Software
Switch
Selection
Status SW00047 SB000470 Startup mode in case of
power interruption 0: New startup
SB000471
SB000472 Reserved by system. (Not used.)
SB000473 Program WRITE selec-
tion 0: WRITE enabled, 1:
WRITE disabled
SB000474 Startup mode in case of
ordinary power interrup-
tion 0: New startup