Frigicoll CCM-18A/N-E Operation Manual

OPERATION MANUAL

MODBUS GATEWAY

CCM-18A/N-E (K02-MODBUS)

Thank you very much for purchasing our product. Before using your unit, please
read this manual carefully and keep it for future reference.

2

Contents

Safety

precautions

.......................................................................................3

Overview ......................................................................................................4

Usage

introduction

......................................................................................6

Software reset ...........................................................................................14

Appendix (mapping

table)........................................................................ 14

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Please entrust the distributor or professionals to install the unit.

The installers must have the relevant know-how. Improper

installation performed by the user without permission may

cause fire, electric shock, personal injury or water leakage.

1. Safety

precautions

The following contents are stated on the product and the operation manual, including

usage, precautions against personal harm and property loss, and the methods of using

the product correctly and safely. After fully understanding the following contents

(identifiers and icons), read the text body and observe the following rules.

Identifier description

Identifier

Meaning

Warning

Means improper handling may lead to personal
death or severe injury.

Caution

Means improper handling may lead to personal
injury or property loss.

[Note]: 1. “Harm” means injury, burn and electric shock which need long-term
treatment but need no hospitalization

2. “Property loss” means loss of properties and materials.

Icon description

lcon

Meaning

It indicates forbidding. The forbidden subject-matter is indicated
in the icon or by images or characters aside.

It

indicates compulsory implementat ion.

The compulsory subject­matter is indicated in the icon or by images or
characters aside.

Warning

Delegate

Warning installation

Usage

Warning

Forbid

Do not spray flammable aerosol to it directly. Otherwise, fire

may occur.

Forbid

Do not operate with wet hands or let water enter it . Otherwise,

electric shock may occur.

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2

Overview

2.1

Instruction

Fig.2.1

WAN terminal˖ Connect to the switch by 5 kinds of network cables to ensure that
PC can access to the web page of it.
A1B1E terminal˖ Connect to the indoor/outdoor unit
A2B2E terminal˖ Connect to the terminal serial port.

2.2 System

Architecture Description

It supports two kinds of outdoor unit with baud rates of 600 and 4800. (For detailed information,

please contect our technical support). The addresses of accessed indoor/outdoor units can’t repeat.

1)When the baud rate of the outdoor unit is 600, 64 indoor units and 4 outdoor units can connect to it

at most.

2) When the baud rate of the outdoor unit is 4800, 60 indoor (with the address from
4—63) units and 4 outdoor units can connect to it at most.

The upper computer system with Modbus protocol access to terminal A2B2E by RTU

or by TCP to connect to modbus gateway. See the connection figure between modbus gateway
and air-conditioner system below:

Connection through Modbus TCP:

Note:XYE port and K1K2E port connect hand in hand, and then access to

A1B1E port.

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XYE

Modbus
TCP
K1K2E

Modbus system

Fig.2.2

Connection through Modbus RTU :

Modbus RTU
Modbus system

XYE

K1K2E

Fig.2.3