ActronAir BMS MODBUS 485 - ICUNO-MOD Module Overview; ICUNO-MOD Cable Connectivity Requirements

Installation and Commissioning Guide
ICUNO-MOD
5
4
Installation and Commissioning Guide ICUNO-MOD
Doc. No. 9590-3013 Ver. 5 200722
ActronAir is constantly seeking ways to improve the design of its products, therefore specifications are subject to change without notice.
Copyright © 2019 Actron Engineering Pty. Ltd.
03. ICUNO-MOD
The UNO Modbus RS-485 BMS Card allows the ActronAir Air Conditioners control system to interface with a BMS System.
The card allows communication from the UNO Outdoor Board to the customers’ BMS system through the Modbus RTU
protocol over RS-485. Each unit on the Modbus RS-485 network has a unique address.
ICUNO-MOD Cable Requirements
Recommended Cable Size: 0.5mm² (7/0.30)
Use two twisted pair shielded data cable to connect the data lines of the RS-485 bus
SW1SERIAL
ADDRESS DIP
SWITCH
SW2BMS
SETTINGS DIP
SWITCH
RESET
PUSH
BUTTON
SW3TERMINATION
DIP SWITCH
STATUS
LEDS
BMS INOUT
CONNECTORS
OUTDOOR DATA
CONNECTOR