Application Note

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Connecting to a Controls Inc Controller

APN0050  |  Revision 1.0  |  September 9, 2026

This application note demonstrates how to connect a Senquip ORB to a Controls Inc. engine and pump controller using RS485 Modbus RTU. It covers efficient block reading of engine and pump data, register decoding and scaling, Modbus command scheduling, and remote AUTO, MANUAL OFF, START and STOP control using Senquip Portal triggers.

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