AC Digital Multifunction Meter Watt Power Voltage Current Test Module PZEM 004T For Arduino 0 100A 80 260V in Current Meters from Tools

AC Digital Multifunction Meter Watt Power Voltage Current Test Module PZEM 004T For Arduino 0 100A 80 260V in Current Meters from Tools
AC Digital Multifunction Meter Watt Power Voltage Current Test Module PZEM 004T For Arduino 0 100A 80 260V in Current Meters from Tools
AC Digital Multifunction Meter Watt Power Voltage Current Test Module PZEM 004T For Arduino 0 100A 80 260V in Current Meters from Tools
AC Digital Multifunction Meter Watt Power Voltage Current Test Module PZEM 004T For Arduino 0 100A 80 260V in Current Meters from Tools
AC Digital Multifunction Meter Watt Power Voltage Current Test Module PZEM 004T For Arduino 0 100A 80 260V in Current Meters from Tools
AC Digital Multifunction Meter Watt Power Voltage Current Test Module PZEM 004T For Arduino 0 100A 80 260V in Current Meters from Tools

Product Specification

Brand Name: Aideepen

DIY Supplies: Electrical

Model Number: Power Voltage Current Test Module

Supply Voltage: 80 ~ 260V AC

Display Type: Digital Only

Operating Temperature: other

Accuracy Class: High

Dimensions: 74 x 31mm

AC Digital Multifunction Meter: Watt Power Voltage Current Test Module

PZEM-004T: Current Test Module

Voltage Test Range: 80 ~ 260VAC

Current Test Range: 0 ~ 100A

Description:

 

Description:
 
Function description:
1. Voltage:
 Measuring range:80~260V
 Resolution: 0.1V
 Measurement accuracy: 0.5%
2.Current:
Measuring range: 0~10A(PZEM-004T-10A); 0~100A(PZEM-004T-100A)
Starting measure current: 0.01A(PZEM-004T-10A); 0.02A(PZEM-004T-100A)
Resolution: 0.001A
Measurement accuracy: 0.5%
3.Active power:
Measuring range: 0~2.3kW(PZEM-004T-10A); 0~23kW(PZEM-004T-100A)
Starting measure power: 0.4W 
Resolution: 0.1W 
 Display format: 
<1000W, it display one decimal, such as: 999.9W
≥1000W, it display only integer, such as: 1000W
Measurement accuracy: 0.5%
4.Power factor:
Measuring range: 0.00~1.00
Resolution: 0.01
Measurement accuracy: 1%
5.Frequency:
 Measuring range: 45Hz~65Hz 
Resolution: 0.1Hz
Measurement accuracy: 0.5%
6.Active energy:
Measuring range: 0~9999.99kWh
Resolution: 1Wh 
Measurement accuracy: 0.5%
Display format: 
<10kWh, the display unit is Wh(1kWh=1000Wh), such as: 9999Wh 
≥10kWh, the display unit is kWh, such as: 9999.99kWh 
Reset energy: use software to reset.
 
-Over power alarm:
Active power threshold can be set, when the measured active power exceeds the threshold, it 
can alarm
Communication interface :
RS485 interface.
 
-Communication protocol 
Physical layer protocol:
Physical layer use UART to RS485 communication interface
Baud rate is 9600, 8 data bits, 1 stop bit, no parity
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.
 
-Read the measurement result:
The command format of the master reads the measurement result is(total of 8 bytes):
Slave Address + 0x04 + Register Address High Byte + Register Address Low Byte + Number 
of Registers High Byte + Number of Registers Low Byte + CRC Check High Byte + CRC Check 
Low Byte.
The command format of the reply from the slave is divided into two kinds:
Correct Reply: Slave Address + 0x04 + Number of Bytes + Register 1 Data High Byte + 
Register 1 Data Low Byte + ... + CRC Check High Byte + CRC Check Low Byte
Error Reply: Slave address + 0x84 + Abnormal code + CRC check high byte + CRC check 
low byte
Abnormal code analyzed as following (the same below)
⚫ 0x01,Illegal function
⚫ 0x02,Illegal address
⚫ 0x03,Illegal data
⚫ 0x04,Slave error
The register of the measurement results is arranged as the following table
QQ20190411113022
For example, the master sends the following command (CRC check code is replaced by
0xHH and 0xLL, the same below)
0x01 + 0x04 + 0x00 + 0x00 + 0x00 + 0x0A + 0xHH + 0xLL
Indicates that the master needs to read 10 registers with slave address 0x01 and the start 
address of the register is 0x0000
The correct reply from the slave is as following:
0x01 + 0x04 + 0x14 + 0x08 + 0x98 + 0x03 + 0xE8+0x00 + 0x00 +0x08 + 0x98+ 0x00 + 
0x00 + 0x00 + 0x00 + 0x00 + 0x00 + 0x01 + 0xF4 + 0x00 + 0x64 + 0x00 + 0x00 + 0xHH + 0xLL
The above data shows
⚫ Voltage is 0x0898, converted to decimal is 2200, display 220.0V
⚫ Current is 0x000003E8, converted to decimal is 1000, display 1.000A
⚫ Power is 0x00000898, converted to decimal is 2200, display 220.0W
⚫ Energy is 0x00000000, converted to decimal is 0, display 0Wh
⚫ Frequency is 0x01F4, converted to decimal is 500, display 50.0Hz
⚫ Power factor is 0x0064, converted to decimal is 100, display 1.00
⚫ Alarm status is 0x0000, indicates that the current power is lower than the alarm power 
threshold
 
Read and modify the slave parameters:
At present,it only supports reading and modifying slave address and power alarm threshold
The register is arranged as the following table
QQ20190411113359
The command format of the master to read the slave parameters and read the measurement 
results are same, only need to change the function code from 0x04 to 0x03.
The command format of the master to modify the slave parameters is (total of 8 bytes):
Slave Address + 0x06 + Register Address High Byte + Register Address Low Byte + Register 
Value High Byte + Register Value Low Byte + CRC Check High Byte + CRC Check Low Byte.
 
The command format of the reply from the slave is divided into two kinds:
Correct Response: Slave Address + 0x06 + Number of Bytes + Register Address Low Byte + 
Register Value High Byte + Register Value Low Byte + CRC Check High Byte + CRC Check Low 
Byte.
Error Reply: Slave address + 0x86 + Abnormal code + CRC check high byte + CRC check 
low byte.
For example, the master sets the slave's power alarm threshold:
0x01 + 0x06 + 0x00 + 0x01 + 0x08 + 0xFC + 0xHH + 0xLL
Indicates that the master needs to set the 0x0001 register (power alarm threshold) to 0x08FC 
(2300W).
 
Set up correctly, the slave return to the data which is sent from the master.
For example, the master sets the address of the slave
0x01 + 0x06 + 0x00 + 0x02 + 0x00 + 0x05 + 0xHH + 0xLL
Indicates that the master needs to set the 0x0002 register (Modbus-RTU address) to 0x0005
Set up correctly, the slave return to the data which is sent from the master.
 
Reset energy:
The command format of the master to reset the slave's energy is (total 4 bytes):
Slave address + 0x42 + CRC check high byte + CRC check low byte.
Correct reply: slave address + 0x42 + CRC check high byte + CRC check low byte.
Error Reply: Slave address + 0xC2 + Abnormal code + CRC check high byte + CRC check 
low byte
 
Calibration:
The command format of the master to calibrate the slave is (total 6 bytes):
0xF8 + 0x41 + 0x37 + 0x21 + CRC check high byte + CRC check low byte.
Correct reply: 0xF8 + 0x41 + 0x37 + 0x21 + CRC check high byte + CRC check low byte.
Error Reply: 0xF8 + 0xC1 + Abnormal code + CRC check high byte + CRC check low byte.
It should be noted that the calibration takes 3 to 4 seconds, after the master sends the 
command, if the calibration is successful, it will take 3 ~ 4 seconds to receive the response from 
the slave.
 
CRC check:
CRC check use 16bits format, occupy two bytes, the generator polynomial is X16 + X15 + 
X2 +1, the polynomial value used for calculation is 0xA001.
The value of the CRC check is a frame data divide all results of checking all the bytes except 
the CRC check value.
 
 
Package included:
 
1x Digital Multi-function Meter 
1x Coil
 
[011446 (1)[011446 (2)[011446 (3)[011446 (8)[011446 (9)[011446 (10)011446-1 (3)011446-1 (4)
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Commetns menkmahlverre.ml :
ok

thanks

The device arrived all normal fast delivery to st. petersburg for 10 days track is tracked. With regard to the connection, i can not say anything yet to connect to arduino bluno but the data do not go. When feeding 220, the red led lights up. When feeding + 5 leds do not burn.

ok.

Delivery was very quick!!