Gree GMVGMS-GW12 handleiding

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UM Version 1.1 16 GMVGMSGW 1/12

Appendix A – GMVGMSGW Points

Mapping of split unit ID (addresses on the RS485 line) to BACnet object Instance Number is

done automatically by GMS GW device, based on the following logic:

Each split unit is set with a unique ID for the RS485 line. This configuration is done by setting

remote control address to each split unit, through the split wired remote controller (refer to

section above for how to set it ). Range of IDs on each line can be 0-63

To create the BACnet Object instance Number, GMS GW is using this ID (0-63) and the Line

number (1 or 2) to automatically calculate the BACnet Object Instance Number.

The Formula below explain how it is calculated:

Object Instance Number = Class*1048576 + (Line-1)*131072 + split unit

Remote control

address *256 + Object Number

Object Identifier 32-bit layout

31 24 22 21 20 19 17 16 15 14 13 8 7 0

Object Type Class Line-1

0 0 0

split unit Remote

control address

Object Number

Object Instance Number

Common Objects (Class=0)

Object

Type

Object

Number

Object

Description

Object Instance Number

L1.001 L1.002 L2.001 L2.002

Binary Inputs (BI)

BI

0 split unit Failure Status

Present Value = 0 - No Failure

Present Value = 1 - Failure. "Active Text"

property contains failure code

256 512 131328 131584

Binary Values (BV)

BV 0 ON/OFF

256 512 131328 131584

BV 2 Lock (prohibit) ON/OFF change from Wired

Controller

258 514 131330 131586

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