Comtrol Modbus TCP User Guide - Manual (Page 107)

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.