PZEM-004T 4.0 Single Phase Electric Energy Communication Box TTL Modbus AC Voltmeter Current Watt Kwh Ammeter 220V 10A 100A
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We provide the software to connect it with the PC. If you want to connect it with other terminal device such as PLC,SCM and so on, please prepare the fitable cable and write the program by yourself.
This document describes the specification of the PZEM-004T AC communication module, the module is mainly used for measuring AC voltage, current, active power, frequency, power factor and active energy, the module is without display function, the data is read through the TTL interface.
PZEM-004T-10A: Measuring Range 10A (Built-in Shunt)
PZEM-004T-100A: Measuring Range 100A (external transformer)
PZEM-004T 4.0 Version TTL Modbus-RTU Power Meter Kwh Meter AC Single Phase 100A Electric Volt Amp Frequency Power Factor Meter
Please click this link to download the software and the user manual
Download address：https://drive.google.com/file/d/1mKYhi6XtTuA2cUlZ6FWZD0DIlMvQBDQT/view?usp=sharing
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PZEM-004T New Version Single Phase Power Energy Meter TTL Modbus AC 220V 100A Voltage Current Watt Kwh Ammeter with CT USB Cable
We provide the software to connect it with the PC. If you want to connect it with other terminal device such as PLC,SCM and so on, please prepare the fitable cable and write the program by yourself.
This document describes the specification of the PZEM-004T AC communication module, the module is mainly used for measuring AC voltage, current, active power, frequency, power factor and active energy, the module is without display function, the data is read through the TTL interface.
PZEM-004T-10A: Measuring Range 10A (Built-in Shunt)
PZEM-004T-100A: Measuring Range 100A (external transformer)
1. Working voltage: 80 ~ 260VAC
2. Test voltage: 80 ~ 260VAC
3. Rated power: 100A/22000W
4. Operating frequency: 45-65Hz
5. Measurement accuracy: 1.0 grade
Function
Voltage
1.1.1 Measuring range:80～260V
1.1.2 Resolution: 0.1V
1.1.3 Measurement accuracy: 0.5%
1.2 Current
1.2.1 Measuring range: 0～10A(PZEM-004T-10A); 0～100A(PZEM-004T-100A)
1.2.2 Starting measure current: 0.01A(PZEM-004T-10A); 0.02A(PZEM-004T-100A)
1.2.3 Resolution: 0.001A
1.2.4 Measurement accuracy: 0.5%
1.3 Active power
1.3.1 Measuring range: 0～2.3kW(PZEM-004T-10A); 0～23kW(PZEM-004T-100A)
1.3.2 Starting measure power: 0.4W
1.3.3 Resolution: 0.1W
1.3.4 Display format:
＜1000W, it display one decimal, such as: 999.9W
≥1000W, it display only integer, such as: 1000W
1.3.5 Measurement accuracy: 0.5%
1.4 Power factor
1.4.1 Measuring range: 0.00～1.00
1.4.2 Resolution: 0.01
1.4.3 Measurement accuracy: 1%
1.5 Frequency
1.5.1 Measuring range: 45Hz～65Hz
1.5.2 Resolution: 0.1Hz
1.5.3 Measurement accuracy: 0.5%
1.6 Active energy
1.6.1 Measuring range: 0～9999.99kWh
1.6.2 Resolution: 1Wh
1.6.3 Measurement accuracy: 0.5%
1.6.4 Display format:
＜10kWh, the display unit is Wh(1kWh=1000Wh), such as: 9999Wh
≥10kWh, the display unit is kWh, such as: 9999.99kWh
1.6.5 Reset energy: use software to reset.
1.7 Over power alarm
Active power threshold can be set, when the measured active power exceeds the threshold, it can alarm
1.8 Communication interface
RS485 interface
1 Communication protocol
1.1 Physical layer protocol
Physical layer use UART to TTL communication interface
Baud rate is 9600, 8 data bits, 1 stop bit, no parity
1.2 Application layer protocol
The application layer use the Modbus-RTU protocol to communicate. At present, it only supports function codes such as 0x03 (Read Holding Register), 0x04 (Read Input Register), 0x06 (Write Single Register), 0x41 (Calibration), 0x42 (Reset energy).etc.
0x41 function code is only for internal use (address can be only 0xF8), used for factory calibration and return to factory maintenance occasions, after the function code to increase 16-bit password, the default password is 0x3721
The address range of the slave is 0x01 ~ 0xF7. The address 0x00 is used as the broadcast address, the slave does not need to reply the master. The address 0xF8 is used as the general address, this address can be only used in single-slave environment and can be used for calibration etc.operation.
100% new brand high quality
1 x PZEM-004T AC Voltmeter Ammeter
1 x Coil CT+USB cable
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| Category | DIY, Tools & Hardware › Tools & Equipment › Measuring Tools |
|---|---|
| Availability | In stock |
| Ships to | Canada |
| Buyer Guarantees | 15-Day No Update Refund & 60-Day No Delivery Refund |
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