Armstrong DRV40 Installation And Operation Manual - Page 3

Browse online or download pdf Installation And Operation Manual for Controller Armstrong DRV40. Armstrong DRV40 16 pages. Modbus networking
Also for Armstrong DRV40: Troubleshoot Manual (5 pages)

Introduction

Modbus is a well established protocol that is commonly used and ideally suited for connecting multiple devices in a commercial
/ institutional or industrial environment. This is largely because of its resilience when it comes to electrical interference. The
Brain's
®
interface is designed for serial communications protocols, but can be configured to communicate with a BAS (Building
Automation System) using Modbus protocols. When configured for Modbus, the Brain
Unit) that is monitored by the BAS.
The following is a guide for connecting the Brain (DRV25/DRV40/DRV80) to a BAS using a Modbus RTU protocol. Please
review the appropriate Brain Installation and Maintenance guide available at www.armstronginternational.come/brain to
familiarize yourself with the product specification and installation before attempting to connect the BAS.
Armstrong International
IOM-776
Brain
®
Modbus Networking
acts as an RTU (Remote Terminal
®