Midea CCM-18A/N User Manual

Thank you very much for purchasing our product.
Before using your unit, please read this manual carefully and keep it for future reference.
Modbus Gateway Operation Manual
Applicable models˖CCM-18A/N
.......................................................................................1
.........................................................................2
......................................................................................4
...........................................................................................12
................................................................. 12
Warning
Caution
Warning
Usage
W
arning

Midea CCM-18A/N Specifications

General

Brand	Midea
Model	CCM-18A/N
Category	Gateway
Language	English

Summary

Safety Precautions

Delegate Installation Warning

Emphasizes entrusting installation to qualified professionals to avoid hazards.

Usage Warnings

Advises against direct aerosol spraying and operation with wet hands to prevent fire or shock.

Overview

Hardware Instruction

Details the gateway's terminals: WAN, A1B1E, A2B2E for connectivity.

System Architecture Description

Explains supported units, baud rates, and maximum device connections.

Usage Introduction

IP Configuration

Guide to setting up the gateway's network IP address and subnet mask.

Single IP Configuration

Steps for configuring a single static IP address and its associated subnet mask.

Multi-IP Addition

Process for adding multiple IP addresses to the gateway's network configuration.

Configuration

Air Conditioner Information Query

Air Conditioner Control

Single Air Conditioner Control Area

Interface for managing individual air conditioner settings like mode, fan speed, and temperature.

Group Control of Cooling System

Functionality for controlling multiple indoor units simultaneously as a group.

Upper Computer Access

Upper Computer Access Mode

Explains communication methods between PC systems and the gateway using Modbus TCP/RTU.

Access to Debug

Procedures for debugging operations using Modbus Poll software.

Install Modbus Poll Software

Guide on installing the Modbus Poll software essential for debugging operations.

Connect Modbus Gateway

Detailed steps for establishing a connection with the Modbus Gateway using Modbus Poll.

Test

Procedures to verify read/write operations using Modbus Poll for successful debugging.

Software Reset

Appendix: Mapping Table