Introduction
This manual details the installation, configuration, and maintenance of the Daikin Modbus Communication Module, designed for the MicroTech® 4 Rebel Applied™ Unit Controller. It facilitates seamless integration with Building Automation Systems (BAS) via the Modbus RTU protocol, enabling efficient data exchange and control.
Key Features
- Integrates HVAC units into Building Automation Systems (BAS) using Modbus RTU.
- Attaches directly and easily to MicroTech unit controllers.
- Provides visual indicators (LEDs) for communication status and network activity.
- Allows direct setting of Modbus network parameters (baud rate, parity) from the unit controller.
- Features a protective housing for internal components.
Specifications Overview
Dimensions: 1.77 x 4.33 x 2.95 inches (45 x 110 x 75 mm)
Weight: 3.5 oz (85 g)
Operating Temperature: -40°F to 158°F (-40°C to 70°C)
Power: Supplied via unit controller (DC 5V, max 140 mA)
Network Connection: RS-485 (EIA-485)
Supported Baud Rates: 4800, 9600, 19200, 38400 bps
Installation & Configuration
The module is field-installable and connects via a board-to-board connector. Configuration, including setting the network address and baud rate, is performed through the unit controller's HMI (Human Machine Interface) keypad display. Detailed steps for installation and network setup are provided within the document.
Support & Resources
For troubleshooting, replacement parts, or technical assistance, users can consult the comprehensive sections within this manual. Further information and support are available through Daikin Applied's official channels:
- Website: www.DaikinApplied.com
- Technical Support: Controls@daikinapplied.com or call 866-462-7829.
- Modbus Standards: Refer to www.modbus.org for protocol specifications.
