This STS smart prepaid meter adopts PLC communication method, communication protocol DLMS/COSEM (IEC62056), STS from ordinary keyboard meter to STS communication meter to the current STS smart meter, Yongtailong has carried out iterative research and development and formed multiple products series.
| Type | Communication | CIU Communication | Function | |
 |
K019-01-IR | IR | / | Build in Rely,Shunt sampling, 1 Tariff,Event alarm |
| K019-02-PLC | PLC | / | Remote upgrades | |
| K019-03-PLC | PLC | / | Absolute measurement | |
| K019-04-PLC | PLC | / | Different measurements way, Absolute measurement |
|
| K019-05-PLC | PLC | / | Build in Rely,Absolute measurement, self diagnosis,Open cover detection |
|
| K019-06-RS485 | RS485/Twisted Pair wire | / | Active , Reactive measurement | |
| K019-07-RS485 | RS485/Twisted Pair wire | / | Build in Rely,Absolute measurement, self diagnosis,Event alarm |
|
| K019-08-Wifine | Wifine | / | Different measurements way,Neutral measurement,Absolute measurement, Event record,Anti-tamper,Build in Rely, 4 Tariff |
|
| K019-09-Wifine | Wifine | Wifine | Different measurements way,Neutral measurement,Absolute measurement, Event record,Anti-tamper,Build in Rely, 8 Tariff,Load profile |
|
| K019-10-Wifine | Wifine | Wifine/ Bluetooth | Different measurements way,Neutral measurement,Absolute measurement, Event record,Anti-tamper,Build in Rely, 8 Tariff,Load profile |
| Voltage | 240V |
| Current | 5(80) A |
| Accuracy class | 1.0 |
| Standard | IEC62052-11 2003, IEC62053-21 2003 |
| Communication protocol | DLMS/COSEM(IEC62056) |
| Frequency | 50Hz |
| Impulse constant | 1000imp/kWh |
| Display | LCD 6+2 = 999999.99kW |
| Power consumption | <10VA/2W |
| Starting current | 40mA |
| Working temperature | -20℃~70℃ |
| Limit working temperature | -30℃~80℃ |
| Working humidity | <95% |
Anti-tampering
Support load ground connection, switch detection, influence of external magnetic field, abnormal voltage record.
Tariff
Divide into weekday timetable and weekend timetable, with 8 time period and 8 tariffs. Every timetable has a backup table for remote updating of backup timetable and configure the switching time. Meter will automatically switch the tariff table at the switching time.
Communication
Meter support IR,RS485/LoRa, baud-rate: 9600/PLC, baud-rate: 4800.
Event
Open cover, magnetic field, load ground connection, reserve current, over-voltage, low-voltage, low-frequency, overload, power-fail, low remaining power, and token record.
Measurement
Meter measures voltage, current, active power, reactive power, frequency, power factor, MD in the current month, MD of last 1 month, MD of last 2 month, the absolute value of total active energy, the absolute value of total active tariff energy, total input energy of the current month, total input energy of last 5 month, total output energy of the current month, total output energy of last 5 month, and total reactive energy.
Mode
Meter has 3 operation modes: STS token mode, currency prepaid mode and post-paid (traditional) mode, which can be switched.
And the currency mode can be divided into tariff mode and step price mode. Modes can be configured through communication.
STS operation
Enter 20-digit token via keypad of meter or IHD, the meter display will be green Pic 1 if recharging is successful, will be red Pic 2 if is failed.
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RF/LoRa/PLC |
 |
RS485 |
Established in 2000, Zhejiang Yongtailong Electronic Co., Ltd. is located in the center of Shanghai, Hangzhou and Suzhou cities. YTL is a professional China YTL Smart STS Single-phase Meter system Digital Electricity Meter Manufacturer Suppliers and YTL Smart STS Single-phase Meter system Digital Electricity Meter Manufacturer Company. With more than 20 years of energy metering experience, we devote ourselves to providing competitive projects and creating value for customers. YTL was one of the first companies in the domestic market with which had an internal R&D department as well as international sales business. Since our foundation in 2000 we have grown to a manufacturer which complies and meet to many specifications from our national and international partners. At present our export volume makes us a leading company for technology and product export to more than 50 countries throughout the world. With provincial high-tech enterprise R&D center, YTL is the Top 100-enterprise with most investment value in Zhejiang. And“Yongtailong”is the famous brand of Zhejiang. For any new products of customers, we will communicate with customers very professionally, listen to their opinions and give useful suggestions to ensure that excellent quality products are made.
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Design Right Patent
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