User Manual

Energy Meter
User Manual
DDSU666-CT
Please read this manual carefully before use.
DDSU666-CT Metercanachieveenergymanagement together
with solaxsingle phase inverter. It applies to 200A* system on
below, measure the import, export and total power and energy.
* Depend on the choice of CT.
Introduction
Danger of high voltage!
Danger to life due to high voltage of this machine!
Notes and Safety
Cut off all power of inverter before installation!
Wait for 5 minutes after power off.
1
Basic features
Terminals andDimension
2
24,25
RS485 port
Only authorized personnel is allowed to set
the connection.
02 04
1,2
Single phase input port
03
LOAD
PV array
Solax inverter
Energy Meter
Electrical grid
01
DDSU666- CT
INV
9,10
CT input port
CT
24.0mm
52.0mm
64.5mm
33.0mm
3
Performance and Specication
DDSU666-CT
60Hz
Model
Frequency Voltage Current Type
230V
0-200A Via transformer
Installation
1
Mounting
DDSU666 meter is designed for indoor installation ,It
could be installed on the wall or other place indoor.
Wiring diagram
2
A B
RS485
24 25
Mutualinductanceaccesstotheinstrument
N
L
*
1 2
9 10
cable size:
CT cable: 15~23AWG or 0.25~1.5mm²
AC power cable: ≥5AWG or ≤16mm²
Communication cable size:
17~23AWG or 0.25~1mm²
05