Hiking DDS238-4 W 사용자 설명서
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1. General Description
DDS238-4 W type multi-function smart energy meter is designed to measure single phase two
wire AC active energy and variable parameter. The meter have RS485 communication port and
WIFI communication, it can use APP for remote reading and control on/off. All of its functions
comply with the relative technical requirement for class 1 single phase watt hour meter in
IEC62053-21 and its data communication rules obey the requirement of MODBUS-RTU and
WIFI 802.11b/g/n.It is a long life meter with the advantage of high stability , high over load
capability , low power loss and small volume .
The meter should be installed in suitable environment with ambient temperature range
between -25℃ ～ +55℃,the relative humidity less than 75% and temperature limits between
and-40℃～+70℃.
The meter is manufactured complying with international standard IEC62052-11 on
"Electricity metering equipment (AC) General requirements tests and test conditions" and
IEC62053-21 on "Static meters for active energy (classes 1 and 2)".
2.Specification and Technical Parameters
2.1Specification
Meter type
DDS238-4 W
Rate frequency
50 or 60 Hz
Rated current
5(60)A ,10(100)A
Rate voltage
120V / 220V / 230V /240V
Normal
voltage
90%Un～110%Un
range
Limits
voltage
70%Un～120%Un
range
kWh Accuracy
Class 1
R.M.S accuracy
Class 0.5
Pulse constant
See meter
RS485 port
MODBUS-RTU protocol, 1200～9600bps,None parity ,default 9600bps
WIFI
802.11b/g/n ,only support 2.4GHz network , not support 5GHz network
2.2 basic parameters
Note: when it happens interrupt power-supply , the meter will not cut off , undervoltage event
Delayed power on/off time
overvoltage / undervoltage / overload event
judgment time
Overvoltage protection value
Overvoltage recovery value
Undervoltage protection value
Undervoltage recovery value
Overload protection value
Delay on/off control
USER'S MANUAL
60+5s
3s
270V+1(default)，APP can set value
260V+1(default)= (APP overvoltage
value - 10V)
170V+1(default)，APP can set value
170V+1， (default)= (APP
overvoltage value + 10V)
65A(default)， APP can set value
00:01—24:00 Hour