Performance Characteristics | |
High precision measurement of three phase voltage, three phase
current, active power, reactive power, apparent power, power
factor, frequency of electric parameters | |
Forward and reverse active or reactive energy measurement | |
Division of electric energy metering, time-sharing power timing
meter reading | |
Measurement of three-phase voltage, three-phase current total
harmonic distortion (THD), 2-31 odd harmonic component | |
Provide the digital tube display, local data query | |
Menu button intuitive, simple operation | |
Current, voltage gain programmable setting | |
Programmable voltage ratio | |
Support for fire control, remote cut off the fault circuit | |
Provide multiple loop control nodes, can be used for the alarm,
trip control | |
Support for RS-485 communication, Modubus-RTU protocol | |
Support for switching input, output, analog quantity transmitting
output | |
Convenient installation, wiring is simple, small engineering
quantity | |
A wide range of AC/DC power supply: AC/DC 80-270V | |
To be completed by SCADA, PLC in a variety of communications
software network | |
Technical Index | |
|
Accuracy of measurement | voltage level 0.5, current level 0.5, active power 0.5, reactive
power level 0.5,Frequency ±0.02Hz, active electric energy class 0.5s or class 0.2s,
reactive energy grade 1 or grade 2, power factor 0.5 | |
Singal input | Connection mode of four phase three wire, three phase three line | |
| Rated voltage of AC 57.7V, AC 100V, AC 220V, AC 380V | |
| Over load 1.2 times ( Continued ), 2 times / second ( instantaneous
) | |
| Power <1VA/ phase | |
| Impedance >300KΩ, current: <20mΩ | |
| The frequency of 45~65Hz | |
Auxiliary power supply | Working range of AC/DC 80V~270V | |
| Power consumption <4VA | |
Function module | Communication interface 1 way RS-485 communication, Modbus-RTU
protocol | |
| Baud rate: 1200~9600bps, the default 2400bps | |
| Switch input support 4 stem node input | |
| The switch output support 3 relay output, capacity: AC 250V/5A, DC
30V/5A | |
| Transmission output support 3 analog output: 0/4~20mA or 0~5/10V | |
Environment | Working temperature:-10°C ~+55°C | |
| Storage temperature:-25°C ~+70°C | |
| Relative humidity is less than 93%, no corrosive gas | |
| Elevation≤2500m | |
Safety | Insulation resistance >100MΩ | |
| AC withstand voltage AC 2KV | |
Electromagnetic compatibility | ESD level 4 | |
| Electrical fast transient burst level 4 | |
Selcction of Specification | |
Intelligent Digital Three phase Multifunctional Monitoring
Meter(9999 display programmable) | |
Model NO. | Display | Frame size(mm) | Hole size(mm) | Remark | |
CN-3D2 | Specialized LED | 120*120 | 111*111 | | |
CN-3D3 | Specialized LED | 96*96 | 92*92 | | |
CN-3D7 | Specialized LED | 80*80 | 76*76 | | |
CN-3D6 | Specialized LED | 72*72 | 68*68 | | |
CN-3D8 | Specialized LED | 48*48 | 45*45 | | |
Extended Modules: | |
AC/DC power supply(switching power supply)$4 | |
AO: $7 more for each stem node | |
DI: $4 more for each stem node | |
DO:$4 more for each stem node | |
“*” means unconventional products of our corporation | |
