Xinje XDH Series - Page 294

293
Port 4
SM180
Modbusread-write
instruction execution flag
When the instruction starts to
execute, set ON
When execution is completed,
set OFF
SM182
Free communication sending
flag
When the instruction starts to
execute, set ON
When execution is completed,
set OFF
SM183
Free communication received
flag
When receiving a frame of data
or receiving data timeout, set
ON.
Require user program to set OFF
Port 5
SM190
Modbusread-write
instruction execution flag
When the instruction starts to
execute, set ON
When execution is completed,
set OFF
SM192
Free communication sending
flag
When the instruction starts to
execute, set ON
When execution is completed,
set OFF
SM193
Free communication received
flag
When receiving a frame of data
or receiving data timeout, set
ON.
Require user program to set OFF
Communication registers
No.
Function
Explanation
Port 0
SD140
Modbusread and write
instruction execution result
0: correct
100: receive error
101: receive timeout
180: CRC error
181: LRC error
182: station number 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)
SD141
X-Net communication
result
0: correct
1: communication timeout
2: memory error
3: receive CRC error
SD142
Free communication
sending result
0: correct
410: free communication buffer
overflow
SD143
Free communication
receiving result
0: correct
410: send data length overflow
411: receive data short
412: receive data long
413: receive error
414: receive timeout
415: no start symbol
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