Comtrol Modbus TCP User Guide User Manual
Page 107
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DeviceMaster UP Modbus/TCP User Guide: 2000447 Rev. I
Appendix B. LPBKCNCP Example Program- 107
Note: There will be no valid data in this variable array until received data is requested from the DeviceMaster
UP.
Where:
•
The first word contains the sequence number starting at zero.
•
The second word contains the length that is set to the maximum number of bytes transmitted by the
Concept software package. (100 words = 200 bytes. 196 bytes maximum transmit data size.)
•
Words three to 100 contain transmit data.
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