| Experion HS R530.1 User Assistance

# Planning for Honeywell Universal Modbus controllers

This reference provides the information you need to set up, configure, and test Universal Modbus controller Also known as remote terminal unit, RTU. A generic term for a device that is used to control and monitor one or more processes in field equipment. The most common control and monitoring device in an access control and security system is an access control panel. Other devices include security monitoring panels, elevator controllers, and fire monitoring devices. Controllers include programmable logic controllers (PLCs), loop controllers, bar code readers, and scientific analyzers. See also: C200 controller, control processor, CPM, hybrid controller, network node controller, PLC. communications with the server The computer on which the Experion database software and server utilities run. See also: Experion server TPS..

## Revision history

Revision | Date | Description
--- | --- | ---
A | September 2024 | Initial release of document.

## How to use this guide

These are the steps for connecting and configuring a Honeywell Universal Modbus controller. Complete each step before commencing the next.

Steps | Go to
--- | ---
Connect and set up the Universal Modbus controller according to the controller's user manual's instructions | Architectures for Honeywell Universal Modbus

Use Quick Builder The Experion tool used to configure system components, such as standard points, Flex Stations, controllers (other than process controllers), electronic flow measurement (EFM), and printers. See also: controller, electronic flow measurement (EFM), Flex Station, process controller, standard point. to define channels

- Honeywell Universal Modbus channel and controller reference

- "Build channels" topic in the Quick Builder User’s Guide

Use Quick Builder to define controllers

- Honeywell Universal Modbus channel and controller reference

- "Build controllers" topic in the Quick Builder User’s Guide

Download channel The communications port used by the server to connect to a controller. Channels are one slot, point, or screw terminal of an I/O device for a single I/O value, and are defined using the Quick Builder tool. and controller definitions to the server | "Downloading items" topic in the Quick Builder User’s Guide
Enable channels and test communications | Testing Honeywell Universal Modbus communications with the server
Troubleshoot communication errors | Troubleshooting Honeywell Universal Modbus configuration errors
Use Quick Builder to define points | Defining a Honeywell Universal Modbus address for a point parameter Also known as parameter. A unit of information about a point. For example, an analog point includes parameters such as process variable parameter (PV), output parameter (OP) and setpoint parameter (SP). See also: analog point, output parameter, point, process variable, setpoint parameter.