58
3
:
Usage error
SD452
Hardware error
SD453
SD card error
SD454
Power-off time
SD460
Extension module ID not match
SD461
BD/ED module ID not match
SD462
Extension
module
communication
overtime
SD463
BD/ED
module
communication
overtime
Expansion module, BD status (SD500-SD516)
ID
Function
Description
Note
SD500
Module number
Expansion modules: #10000
~
10015
BD
:
#20000
~
20001
ED: #30000
SD501~516
Expansion module, BD /ED status
16 registers
Module information (SD520-SD775)
ID
Function
Explanation
Note
SD520
Extension module 1
Each extension module
occupies 16 registers
……
SD535
……
……
……
SD760
Extension module 16
……
SD775
Expansion module error information (SD860-SD923)
ID
Function
Description
Note
SD860
Error times of module read
Expansion
module 1
SD861
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.
SD862
Error times of module write
SD863
Error types of module write
SD864
Error times of module read
Expansion
module 2
SD865
Error types of module read
1. Module address error.
2. Module accepted data length error.
3. Module CRC parity error