Yaskawa MP920 User's Manual Design - Manual (Page 499)

12.2 System Errors
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12.2.4 System Register Configuration
„ System Status
System status indicates the operating status and error details for the system. System status
details are used to determine whether hardware or software is the cause of an error.
Table 12.1 System Status List
Name Register
No.
Contents
Reserved for
the System SW00030 to
SW00039 (Not used)
CPU Status SW00040 SB000400 READY 1: Normal,
0: Communications/Self-diagnosis error
SB000401 RUN 1: Running, 0: Stopped
SB000402 ALARM 1: Alarm, 0: Normal
SB000403 ERROR 1: Error, 0: Normal
SB000404 RESUME 1: Continued startup operation
0: New startup operation
SB000405 Start status 1: Restoration from power interruption
0: Ordinary restoration
SB000406 Reserved by system. (Not used)
SB000407 WEN 1: WRITE enabled, 0: WRITE disabled
SB000408 Reserved by system. −
SB000409 MASTER 1: Control system CPU, 0: Standby system
SB00040A Reserved by system. (Not used)
SB00040B
SB00040C
SB00040D
SB00040E Operation stop request 1: STOP selection, 0: RUN selection
SB00040F Reserved by system. (Not used)
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 Calendar IC error 1: Calendar IC error
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 to
SB00041F Reserved by system. (Not used)