Comtrol Modbus TCP User Guide User Manual
Page 91

DeviceMaster UP Modbus/TCP User Guide: 2000447 Rev. I
Appendix A. Programming the PLC via Concept- 91
Set Transmit Sequence Number via Write Multiple Registers Message
A.2.2.4. Set Transmit Sequence Number via Write Multiple Registers Message
The following screen depicts a Write Multiple Registers message used to initialize the transmit data sequence
number in ladder logic.
Where:
SLAVEREG
Refers to the port transmit sequence number address (+1 for use with Concept).
NO_REG
Set to 1.
REG_WRIT
The memory location where the transmit sequence number resides on the PLC.
DONE
The done flag.
ERROR
The error flag.
STATUS
The message status word.
AddrFld
This contains the PLC Modbus/TCP slot/index and IP address of the DeviceMaster UP.
See also other documents in the category Comtrol Accessories communication:
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