COMPOSER® is Watlow’s new, easy-to-use software for configuring and customizing controllers. Use it to optimize Watlow’s F4T, D4T, EZ-ZONE® RM and EZ-ZONE PM products for specific applications. Task-specific views simplify all aspects of commissioning new controllers including managing the inputs and outputs from pluggable flex modules, setting up functions such as control loops and alarms and creating and editing profiles. COMPOSER software is available for download here.

Features & Benefits

Function block diagram with live data and error indication enables visual, application-specific configuration of controller functions

Multi-language support prevents errors by communicating with users in their own languages

System image files contain complete configuration makes it fast and easy to duplicate settings from one controller to another

Dashboard view clearly indicates when there are configuration errors that need to be addressed

Configurable interface lets users adjust window sizes and positions to work efficiently

Profile editor

Simplifies profile creation and enables profile management from remote PCs

Fast, reliable Ethernet support

Easily connects to one or more controllers and minimizes time to read and write configuration settings

Pluggable flex module management

Shortens commissioning by allowing user to configure controller for flex modules prior to installing them

Security configuration

Prevents errors and reduces downtime by preventing undesired configuration changes


Description Information
Description Software for configuring F4T, D4T. EZ-ZONE® RM and EZ-ZONE PM products
Profiling No
Supported Controllers F4T with INTUITION®, EZ-ZONE® RM and EZ-ZONE® RUI
Operating Requirements Windows® 10 and 8.1
TRU-TUNE®+ Adaptive Control No
Remote Limit Reset No

Quality Certificates

Download Now

Latest Version: 3.10.24 (May 2021)

To download the installation file:

  1. Click "Download Now"
  2. Save the installation file on your desktop.
  3. When the download is complete, close your browser and any other applications.
  4. Double-click the installation program and follow the on-screen instructions.

Minimum System Requirements:

Microprocessor: 1 gigahertz (GHz) or faster 32-bit or 64-bit

Memory: 1 gigabyte (GB) RAM (32-bit) or 2 GB RAM (64-bit)

Disk Space: 250 megabytes (MB)

Video: 1280 x 720 or higher

Port for controller communication: Ethernet for F4T or EIA-485 half duplex (2-wire) for EZ-ZONE RM

Bluetooth® communication: PM PLUS® and EZ-ZONE® PM requires Windows® 10


Use of COMPOSER software is subject to the end-user license agreement displayed upon installation.

Microsoft® is a registered trademark of Microsoft Corporation.
Windows® is a registered trademark of Microsoft Corporation.
The Bluetooth® word mark and logo are registered trademarks of Bluetooth® SIG, Inc.