Haier H3PH-1J5K-EU4 User Manual page 26

4. Installation
4.7.5.2 For DRED Control Function (For AU and NZ Only)
DRED means demand response enable device. The AS/NZS 4777.2
inverter need to support demand response mode(DRM).
This function is for inverter that comply with AS/NZS 4777.2
A RJ45 terminal is used for DRM connection.
Assignment for inverters capable
Pin
of both charging and discharging
1
2
3
4
NOTE:
Haier hybrid inverter is designed to provide 12V power for DRED.
RJ45 plug
Figure 4.36 Strip the insulation layer and connect to RJ45 plug
4.7.6 RS485 Port Connection (Optional)
If a 3rd party external device or controller needs to communicate with the inverter,
the RS485 port can be used. Modbus RTU protocol is supported by Haier inverters.
To acquire latest protocol document, please contact Haier local service team or Haier
sales.
NOTE:
Pin definition of the RS485 Port is following
EIA/TIA 568B.
RS485A on Pin 5: Blue/White
RS485B on Pin 4: Blue
DRM 1/5
DRM 2/6
DRM 3/7
DRM 4/8
1--8
RJ45terminal
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
Assignment for inverters capable
Pin
of both charging and discharging
5
6
7
8
Table 4.5
Correspondence between the
cable s and the stitch es of plug
Pin 1: white and orange ; Pin 2: orange
Pin 3: white and green； Pin 4: blue
Pin 5: white and blue； Pin 6: green
Pin 7: white and brown； Pin 8: brown
25
User Manual
:2020 required
:2020 standard.
RefGen
Com/DRM0
V+
V-
RJ45terminal
1 2 3 4 5 6 7 8
RS485A
RS485B