Chapter 6
Planning Your Application Program
ADAM5KTCP_WriteCoil
Description: Write the coils value at a specified range described
in parameters.
Syntax: int ADAM5KTCP_WriteCoil(char szIP[], WORD
wID, WORD wStartAddress, WORD wCount, BYTE
byData[]);
Parameter:
szIP[in]: the IP Address of the ADAM-5000/TCP that to be
connected
wID[in]: the specific device ID for an Modbus/TCP device.
The ADAM-5000/TCP is always assigned as 1
wStartAddress[in]: the starting address that to be written
wCount[in]: how many coils to be written
byData[out]: an unsigned 8 bit array that stored values written to
coil
Return: Please refer to Chapter 6-2-4 “Return Codes” for more
detail information
6-18 ADAM-5000/TCP User’s Manual