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ModbusTCP_ReadMultipleRegisters_AsByteBuffer


Header: STD.h
Namespace: fil
Module: FoundationLite

Function Code 03. Reads the contents of a contiguous block of holding registers in a remote device

Syntax

void fil::ModbusTCP_ReadMultipleRegisters_AsByteBuffer
(
	const fil::SocketId& inSocket,
	const ftl::Optional<int>& inTimeout,
	int inUnitID,
	int inStartingAddress,
	int inCount,
	fil::ByteBuffer& outData
)

Parameters

Name Type Range Default Description
Input value inSocket const SocketId& Connected socket ID on port 502.
Input value inTimeout const Optional<int>& 10 - NIL Timeout in milliseconds, block if not specified.
Input value inUnitID int 0 - 255 1 Default is 1.
Input value inStartingAddress int 0 - 65535 The address of the first holding register.
Input value inCount int 1 - 125 1 Number of registers to read. Each register is 2 Bytes in size.
Output value outData ByteBuffer& Received register values.

See Also