Cool Automation CoolMaster 3000T Instrukcja Użytkownika Pobierz pdf (Strona 6)

General Protocol Definitions

CoolMaster PRM

www.coolautomation.com

Rev 3.8

3 General Protocol Definitions

3.1 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.

3.2 Indoor Unit Addressing

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

three characters. First character is hexadecimal digit in range 0-9 or A-F to represent system numbers

0-9, 10-15 correspondingly or Z to specify centralized address mode.

UID Format:

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, 3000T, 7000F,8000I(MH), 9000H System Number should not be 0

UID reflects the indoor unit address. For proper operation of CoolMaster all indoor units have to be

given addresses (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 indoor unit addresses.

Below are examples of accepted UID's.

UID

Indoor Address

100

1-00

101

1-01

201

2-01

1 2 3 4 5 6 7 8 9 10 11 ... 22 23

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