444
Each
extension
module, BD,
ED occupies
16 registers
Extension module ID not match
BD/ED module ID not match
Extension module communication overtime
BD/ED module communication overtime
Communication data overflow of expansion
module number
BD/ED module number communication data
overflow
Module number
Expansion modules：
#10000~10015
BD
：
#20000~20001
ED: #30000
Expansion module, BD /ED
status
Error times of module read
Error types of module read
Module address error.
Module accepted data length error.
Module CRC parity error when PLC
is accepting data.
Module ID error.
Module overtime error.
Error times of module
write
Expansion Modules, BD Status(SD500-SD516)
Expansion Module Error Information
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