SD152
SD153
SD154
......
SD159
SD160
Serial
port 2
SD161
SD162
SD163
SD164
......
SD169
Serial
SD170~SD17
port 3
9
Free format
communication send result
Free format
communication receive
result
Free format
communication receive
data numbers
Modbus read write
instruction execution result
X-Net communication
result
Free format
communication send result
Free format
communication receive
result
Free format
communication receive
data numbers
377
2: memory error
3: receive CRC error
0: correct
410: free format send buffer
overflow
0: correct
410: send data length overflow
411: receive data short
412: receive data long
413: receive error
414: receive overtime
415: no start character
416: no end character
In bytes, there are no start and stop
characters
0: correct
100: receive error
101: receive overtime
180: CRC error
181: LRC error
182: station error
183: send buffer overflow
400: function code error
401: address error
402: length error
403: data error
404: slave station busy
405: memory error(erase
FLASH)
0: correct
1: communication overtime
2: memory error
3: receive CRC error
0: correct
410: free format send buffer
overflow
0: correct
410: send data length overflow
411: receive data short
412: receive data long
413: receive error
414: receive overtime
415: no start character
416: no end character
In bytes, there are no start and stop
characters