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1.4 Modbus Adapter Specifications
See Table 1.1 for the hardware specifications; Table 1.2, 1.3, 1.4, 1.5 for the communication specifications.
Table 1.1 Hardware specifications
Items
Specifications
Power supply
12VDC power adapter input or 5VDC MINI USB input
Consumption power
Below 12W
Action environment condition
Environment temperature: 0~40
℃
Environment humidity: 20~85% (no condensation)
Dimension
L×W×H (mm): 220×170×50(excluding the protruding part)
Weight About
1kg
Installation condition
Indoor use, support both horizontal (installation) and vertical (hang)
Table 1.2 Air conditioner H-NET II communication specifications
Items
Specifications
Communication object Outdoor and indoor air conditioner
Communication wiring Shielded twisted pair
Communication mode Half duplex communication
Concurrent mode Asynchronous communication
Communication speed
9600bps
Wiring distance Total length below 1000m
Number of air conditioners to be
connected
The largest outdoor unit ×64[system], maximum indoor unit ×64[set]
In the same H-NET II bus, total number should be below 200 sets (including
centralized control device).
※
Cannot connect to non H-NET II unit.
※
For outdoor unit combined with several modules, counted as 1 set outdoor unit
when calculating the number of outdoor unit
Centralized controller can be
used together
Hi-Dom
、
HYJ-J01H
※
The number of centralized control devices can be used together on the H-NET II
does not exceed 8 sets (including this product).
Table 1.3 LAN (Modbus TCP) communication specifications
Items
Specifications
Communication object Computer used for management, PLC
Communication wiring LAN
（
Ethernet
）
Communication mode IEEE802.3 standard
（
10BASE-T/100BASE-TX
）
Wiring distance 100m
1 System Constitution