Installing the Modbus Interface Module
10
English
Installation
CAUTION
࡙
Ęͱϩʪϩ˵ɇϩи˵ʪ͝ϩ˵ʪǮθ̈ϩʪƊ̈͝˝̷ʪŵʪ˝̈ϑϩʪθͱθǮθ̈ϩʪđЇ̷ϩ̈Χ̷ʪŵʪ˝̈ϑϩʪθϑʀͱ͔͔ɇ͝ʒ̈ϑθʪʀʪ̈Эʪʒ˙ͱθɇ̷̷˵ͱ̷ʒ̈͝˝θʪ˝̈ϑϩʪθϑ࣍ϑʪʪ
Ɵɇɵ̷ʪߣࢋđͱʒɵЇϑŵʪ˝̈ϑϩʪθƟɇɵ̷ʪ࣎˙θͱ͔ϩ˵ʪđͱʒɵЇϑ͔ɇϑϩʪθࡡϩ˵ʪđͱʒɵЇϑ̈͝ϩʪθ˙ɇʀʪ͔ͱʒЇ̷ʪ࣍đÃđࣗ9ߢߪĘࢥđÃđࣗ9ߢߪĘƟ࣎ɇ̷иɇцϑ
sends a control command to the indoor units. Therefore, be sure to send a command to the Modbus master only when
control (operation on/off, temperature setting, etc.) is required.
࡙
If an identical command is issued consecutively, the same command is repeatedly sent to the indoor units.
To check whether the write command operates normally, send a write command to the master and then read the register
status.
࡙
Ǯ˵ʪ͝θʪɇʒ̈͝˝˙θͱ͔ͱθиθ̈ϩ̈͝˝ϩͱɇθʪ˝ϑ̈ϑϩʪθʀͱ͝ϑʪʀЇϩ̈Э̷ʪцࡡɵʪϑЇθʪϩͱϑʪ͝ʒɇʀͱ͔͔ɇ͝ʒɇϩ̷ʪɇϑϩߢߡ͔ϑɇ˙ϩʪθϩ˵ʪ̷ɇϑϩ
response is received from the Modbus interface module.
Table 1. Example of signal flow
Modbus
interface module
Indoor unit
Remark
BMS
Indoor power on
Response: Indoor power on
Indoor Power on
Response: Power on
Indoor power off
Response: Indoor power off
Indoor power off
Response: Power off
Indoor power on
Response: Indoor power on
Indoor power on
Response: Power on
Indoor power on
Response: Indoor power on
Indoor power on
Response: Power on
Indoor power on
Response: Indoor power on
Indoor power on
Response: Power on
Содержание MIM-B19N
Страница 19: ...19 English Installation Memo...