Chapter 6 – B&B Electronics ADAM-5000_TCP - Manual User Manual

Page 84

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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