Automated Logic RC642

Verify that you have the most current version of this document. Go to http://accounts.automatedlogic.com, then select Support >
Download > Documents > Technical Instructions.
Room Controller
Technical Instructions
Rev. 7/13/2011

Automated Logic RC642 Specifications

General

Model	RC642
Category	Controller
Input Voltage	24 VAC
Number of Inputs	6
Number of Outputs	4
Communication Protocol Detail	BACnet MS/TP
Communication Protocol	BACnet
Input Type	Universal Inputs (Binary or Analog)
Operating Temperature	32°F to 140°F (0°C to 60°C)

Summary

What is the Room Controller?

Controller Overview and Models

Introduces RC642/RC642D, features, user interface, and general purpose.

Driver and Control Program Information

Explains the role of the driver and types of control programs supported.

Key Specifications and Ports

Details power requirements, network/sensor ports, inputs, outputs, and status indicators.

User Interface Operations

Describes RC642D display content and button interactions for user control.

Custom Program Development Guide

Provides instructions for creating and implementing custom control programs.

Using This Document

Installation Method Guidance

Directs users to the appropriate installation method (WebCTRL or stand-alone).

METHOD A: Installing a Room Controller in a WebCTRL System

Physical Installation: Mounting and Wiring

Covers controller mounting, power, network, sensor, and I/O wiring procedures.

Controller Configuration and Programming

Details display options, program downloads, I/O assignment, and driver setup.

Local Access Port Connectivity

Explains USB connection and WebCTRL setup for local access and troubleshooting.

METHOD B: Installing a Stand-alone Room Controller

Physical Installation and Wiring

Covers mounting, power, and I/O wiring for stand-alone controller setup.

Selecting and Configuring Control Programs

Instructions for using built-in programs and downloading custom control programs.

Stand-alone Display and Schedule Settings

Covers display options, time, date, and schedule configuration for stand-alone.

Troubleshooting a Networked Room Controller

Formatting and LED Indicators

Covers manual formatting and interpreting LED status for network issues.

Serial Number and Battery Maintenance

Information on finding serial number and procedures for battery replacement.

Network Communication Issues

Addresses network address conflicts, controller isolation, and common errors.

Troubleshooting a Stand-alone Room Controller

LED Status Indicators

Explains LED meanings for diagnosing stand-alone controller operational status.

Serial Number and Battery Information

Covers finding serial number and battery replacement for stand-alone units.

Compliance Information

Regulatory Compliance Statements

Outlines FCC, CE, and BACnet compliance standards and warnings.

Appendix A: Room Controller Diagram

Wiring Terminal Layout

Visual guide to controller terminals, jumpers, and DIP switches.

Appendix B: Built-in Control Programs

Overview of Control Program Functions

Lists all 12 built-in programs and their primary features.

Program #1: 100% Outside Air Unit Details

Specifics on control schematic, points list, and sequence for program #1.

Program #2: Air Source Heat Pump - Reverse to Heat Details

Specifics on control schematic, points list, and sequence for program #2.

Appendix C: Editing Properties in Built-in Control Programs

Connecting to a BACview Handheld

Instructions for connecting a BACview handheld for property editing.

Navigating BACview and Editing Properties

Guide to using the BACview interface to modify controller settings.

Editable Properties Table

Lists properties adjustable for each of the built-in control programs.