373
ID
Function
Description
SM400
I/O error
ERR LED keeps ON, PLC don not run and output, check
when power on
SM401
Expansion module
communication
error
SM402
BD communication
error
……
SM405 No user program
Internal code check wrong
SM406 User program error
Implement code or configuration table check wrong
SM407 SSFD check error
ERR LED keeps ON, PLC don not run and output, check
when power on
SM408 Memory error
Can not erase or write Flash
SM409 Calculation error
SM410 Offset overflow
Offset exceeds soft element range
SM411
FOR-NEXT
overflow
Reset when power on or users can also reset by hand.
SM412 Invalid data fill
When offset of register overflows, the return value will be
SM372 value
SM396
BLOCK97 running flag
SM396 will be ON when block97is running
SM397
BLOCK98 running flag
SM397 will be ON when block98 is
running
SM398
BLOCK99 running flag
SM398 will be ON when block99 is
running
SM399
BLOCK100 running flag
SM399 will be ON when block100 is
running
ID
Function
Description
SM450
System error check
SM451
Hardfault interrupt flag
SM452
SM453
SD card error
SM454
Power supply is cut off
……
SM460
Extension module ID not match
SM461
BD/ED module ID not match
SM462
Extension module communication overtime
SM463
BD/ED module communication overtime
Error check
(
SM400-SM412
)
Error Message
(
SM450-SM463
)