User manual

Planning Your Application Program
ADAM5KTCP_ReadCoil
Chapter 6
Description: Read the coils value at a specified range described
in parameters.
Syntax: int ADAM5KTCP_ReadCoil(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 read
wCount[in]: how many coils to be read
byData[out]: a 8 bit array that stored the read coil
Return: Please refer to Chapter 6-2-4 “Return Codes” for more
detail information
ADAM-5000/TCP User’s Manual
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