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Module: FoundationLite

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

Name Type Range Description
inSocket SocketId Connected socket ID on port 502.
inTimeout Integer* 10 - Timeout in milliseconds, block if not specified.
inUnitID Integer 0 - 255 Default is 1.
inStartingAddress Integer 0 - 65535 The address of the first holding register.
inCount Integer 1 - 125
outRealValue RealArray Received real value.


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For more informations about using this filters please follow the link: Communication with Modbus TCP devices.

Complexity Level

This filter is available on Basic Complexity Level.

Disabled in Lite Edition

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Filter Group

This filter is member of ModbusTCP_Read filter group.

See Also