DRM Connection Steps:
Ø
6.8 DRM Connection
DRM is provided to support several demand response modes by emitting control
signals as below.
DRM1/5
DRM2/6
DRM3/7
DRM4/8
+3.3V
DRM0
GND
GND
1
2
3
4
5
6
7
8
1
8
Mode
DRM0
Operate the disconnection device
Do not generate power
Do not generate at more than 75% of rated power AND
Sink reactive power if capable
Requirement
DRM5
Do not generate at more than 50% of rated power
Increase power consumption
(subject to constraints from other active DRMs)
Do not consume at more than 75% of rated power AND
Source reactive power if capable
DRM6
DRM7
DRM8
Increase power generation
(subject to constraints from other active DRMs)
Do not consume power
Do not consume at more than 50% of rated power
DRM1
DRM2
DRM3
DRM4
Note: Only PIN6(DRM0) and PIN1(DRM1/5)are available now, and other PIN
functions are being developed.
network cable
RJ45 plug
DRM/Meter
LAN 485 LAN DRM BMS
DRM Port: The second RJ45 port from right side
DRM/Meter Port
DRM PIN Definition
Ø
Step3
. Crimp the network cable with the RJ45 plug by using a cable clamp.
Step1.
Prepare a standard network cable (without sheath) and a RJ45 plug.
Step2.
Insert the network cable through the DRM/Meter port on the bottom
of the inverter.
Step3
. Insert the RJ45 plug into the DRM port, and screw the cable nut tightly.
cable nut
Step1
Step2
Step3
Step4
Electrical Connection
Electrical Connection
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