Cool Automation CoolMaster 3000T Manual do Utilizador descarregar pdf (Página 5)

General Protocol Definitions

CoolMaster PRM

www.xdimax.com

Rev 3.0

2 General Protocol Definitions

2.1 Message format

Communication between PC or Home Automation Controller and CoolMaster via RS232 interface is

based on text messages. Communication example is shown below

>stat 101

command

PC to CoolMaster

101 ON 27C 00,00C Auto Dry OK

response

CoolMaster to PC

exit code

prompt

Command message sent to CoolMaster must be terminated by CR (carriage return 0x0D) LF (line feed

0x0A) sequence or a single CR character. Messages from CoolMaster (except prompt character) are

terminated by CR LF. Commands are case sensitive and should not contain leading or trailing spaces.

The only separator between command name and command parameter(s) is space character.

In case of wrong command CoolMaster response can be one of the following strings:

Unknown command

Unrecognized command name

Bad parameters

Command has missing or wrong parameters

If command was executed CoolMaster will return optional response and exit code. Detailed information

is provided in topics describing specific commands.

2.2 Indoor Unit Addressing

To address specific indoor unit in CoolMaster command the UID parameter is used. UID format is

three digits. First digit can be hexadecimal in range 1-9 or A-F to represent system numbers 1 to 15

correspondingly.

System Number

Unit Number in System

0-9, A-F

00-99

· For CoolMaster 4000M System Number must be 0, Unit Number must be 01-50

· For CoolMaster 1000D System Number must be in range 1-4

· For CoolMaster 2000S and 3000T System Number should not be 0

UID reflects the indoor unit Centralized Address. For proper operation of Cool Master all indoor units

have to be given Centralized Address (depending on specific AC system type this can be done

automatically by system or has to be done manually by integrator). You should refer to specific AC

system manuals to find out how to set and quire Centralized Addresses.

Below are examples of accepted UID's.

UID

Centralized Address

100

1-00

101

1-01

201

2-01

310

3-10

F99

15-99

1 2 3 4 5 6 7 8 9 10 ... 18 19

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