Modbus Serial Driver Specs

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Modbus Serial
Communications Schematic:
Modbus Serial diagram

Supported Devices

Device	Note
Modbus compatible devices
Elliott Flow Computer
Magnetek GPD 515 Drive
Omni Flow Computer
Daniel S500 Flow Computer

Communications Protocol

Modbus RTU Protocol.

Notes

Automatic Tag Database Generation.
Supports Ethernet Encapsulation.
Modbus RTU™ Multi-drop Supported.
Supports Broadcast Messages using device ID 0.
Full Address Range Support ( 0 - 65535 ).
Hex Addressing Support (0-FFFF).
User Definable Read Block Sizes.
Adjustable Address Base( 0 or 1 ).
Word Order Swapping for Floating Point and Longs.
Byte Order Swapping on all 16 bit and 32 bit values.
Adjustable RTS Flow timing for Radio Modems.
Supports all memory types and data types.
Support accessing Holding register memory as string data with HiLo/LoHi byte order.
RTU Functions used: 01, 02, 03,04, 05, 06, 16.
Supports tag import from Concept and ProWORX programming packages.

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Last site update July, 2008