User manual

Planning Your Application Program
ADAM5KTCP_ReadReg
Chapter 6
Description: Reads the holding register value at a specified range
described in parameters.
Syntax: int ADAM5KTCP_ReadReg(char szIP[],
WORD wID, WORD wStartAddress, WORD wCount,
WORD wData[]);
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 holdings register to be read
wData[out]: a unsigned 16 bits array that stored the read holding
register
Return: Please refer to Chapter 6-2-4 “Return Codes” for more
detail information
ADAM-5000/TCP User’s Manual
6-15