Sfere DDS1946, DDS1946-T, DDSF1946, DSS1946, DSSF1946 Operation Manual
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1
Guide Rail Type Electric Energy Meter
Operation Manual
This manual is applied to the following models：
DDS1946/DDS1946-T/DDSF1946/DSS1946/DSSF1946
DSSD1946/DTS1946/DTS1946-T/DTSF1946/DTSD1946
1. Product introduction
Guide rail type electric energy meters are designed and produced according to user’s real
electricity consumption situation by adopting advanced energy measurement IC and using digital
sampling processing and SMT technologies. They are used to measure the real-time parameters of
voltage, current, power, power factor, frequency and demand. They also have the functions such as
energy measurement, SOE, pulse and communication. This series of energy meters adopt modularity
structure with the features such as small volume, convenient installation and reliable working.
2. Panel description
Single phase guide rail type electric energy meter panel
4
3200imp/kWh 220V 5(30)A 50Hz/60Hz 1
1
2
3
Three phase guide rail type electric energy meter panel
1：Display interface 2：Energy pulse indication light 3：Buttons 4:Model
2
3. Installation and Wiring
3.1 Wiring mode
Single Phase
1 2 3 4
L
N
single phase direct connection
1 2 3 4
L
N
single phase connection via CT
*
Three phase three wire
1
L1
L2
L3
three phase three wire
direct connection
2
3
4
56
7
L1
L2
L3
*
*
1234 5
611
12 13 14
three phase three wire
connection via CT
Three phase four wire
1
L1
L2
L3
N
three phase four wire
direct connection
2
3456
7
L1
L2
L3
N
*
*
*
1
23 4561112
13
14
three phase four wire
connection via CT
Signal terminal wiring diagram
58
A
B
59
RS485
RS232
PC
c
ommunicatio
n
energy puls e
-
+
AP
47 48
3
3.2 Outline dimension
Single phase meter outline dimension (mm)
front view side view
Three phase meter outline dimension (mm)
front view side view
4
3.3 Installation method
DIN rail
installation support
35m
m
4. Display
Guide rail type electric energy meter shows the measured data of voltage, current, power,
power factor, frequency and electric energy. Press and buttons at the same time to switch
between electric energy interface and electric quantity interface.
Electric energy display interfaces
Display interface Description Display interface Description
Import active electric
energy：
EP =780.62 kWh
Total tariff energy (tip)：
208.09 kWh
Export active electric
energy：
EP- = 0.00 kWh
Total tariff energy (peak)：
101.06 kWh
Import reactive electric
energy：
EQ = 18.80 kvarh
Total tariff energy (level)：
382.23 kWh
Export reactive electric
energy：
EQ- = 7.10 kvarh
Total tariff energy
(valley)：
89.24 kWh
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