LON813T high and low voltage load monitoring unit
1.Product profile
The load monitoring unit is a new type of power monitoring and control unit that integrates measurement recording, energy metering, remote control alarm, and network communication functions. Mainly used for the acquisition terminal of specialized transformers to achieve access round and multi load access expansion, and to achieve effective load control functions; It has high-precision measurement and metering functions, and can measure multiple power grid parameters such as voltage, current, and power; Measurable fundamental and full wave active and reactive electrical energy; Capable of generating electricity and meeting demand; Configure independent RS-485 communication interface, supporting DL/T645-2007 and DL/T698 dual communication protocols; Support various common grid specific protocols; It has relay output function and reliable anti misoperation design.
2.Technical indicators
| performance parameter |
Performance index |
| working power supply |
Operating voltage range |
AC/DC 85V~265V |
| Power consumption |
<=5VA |
| correspondence |
RS-485 communication |
Support 2400bps, 4800bps and 9600bps. |
| 4G communication |
All netcom |
| environmental conditions |
Working temperature |
Ambient temperature: -25ºC~55ºC, relative humidity: <=95%, no corrosive gas place, altitude <=2500m. |
| storage temperature |
-35ºC~80ºC |
| mechanical character |
vibrate |
GB/T 11287 severity level 1 |
| lash |
GB/T 14537 severity level 1 |
| collide |
GB/T 14537 severity level 1 |
| Electromagnetic compatibility performance |
Radio frequency electromagnetic field immunity test |
GB/T 17626.3-2006 Severity Grade 3 |
| Electrical fast transient test |
GB/T 17626.4-2008 Severity Grade 4 |
| Attenuated oscillation wave immunity test |
Severity grade 3-12-1998 |
| Electrostatic discharge test |
GB/T 17626.2-2006 Severity Grade 4 |
| Surge immunity |
GB/T 17626.5-2008 Severity Grade 4 |
| Radio frequency conduction immunity |
GB/T 17626.6-2008 Severity Grade 3 |
| radio disturbance |
GB/T 17215.211-2006 7.5.8 Class B Equipment |
| Interference degree of power frequency magnetic field |
GB/T 17626.8-2006 Severity Grade 3 |
| Electrical insulation performance |
insulance |
GBT 13729-2002, not less than 100MΩ. |
| dielectric strength |
GB/T 13729-2002, power frequency voltage 2kV, 1 minute. |
| surging |
GB/T 13729-2002,1.2/50μs,5kV |
| measure |
Height * width * depth |
106mm*87mm*59mm |
3.Selection specifications
| functional module |
serial number |
Function point |
Function point description |
|
| Data forwarding |
1 |
Transparent transmission and forwarding |
Forward the data of the local RS-485 bus to the RS-485 bus of another remote gateway through 4G. |
| 2 |
Manual message forwarding |
Send a specific message to the designated gateway through the platform, and the gateway will forward this message to RS-485 bus. |
| Communication rate setting |
3 |
RS-485 baud rate setting |
The baud rate of RS-485 can be adjusted by sending a specific message through RS-485 interface. |
4.Product installation and schematic diagram
5.About our service
* We could provide 7* 24-hour phone call after-sales service.
* We provide a 2-year guarantee time and will change the meter for you within 1 year if there's something wrong with the product. Except for natural disasters or man-made reasons.
* Recommend the most advanced application technology and management model in the industry to customers, and provide customers with detailed solutions.
6.Package and ship
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