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What is the highest Modbus RTU register offset that can be used in a Quantum processor?

Published date: 22 May 2019

Issue:
Highest register offset for the Quantum Processor.

Product line:
All Quantum Processors

Environment:
Modsoft, Proworx, Concept and EcoSruxure Machine Expert ( formally Unity Pro).

Resolution:
The highest Modbus RTU register offset address that can be used is 4 + 65535. The offset of a Modbus slave data area definition is 16 bits, therefore the highest address is FFFF Hex or 65,535 Decimal. The valid address offsets for Modbus are:
400001 - 465535
300001 - 365535
100001 - 165535
000001 - 065535



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