Product Description

A.Function
  • 1. Ectrical parameter measurement function (voltage, current, active power, energy).
  • 2. Overload alarm function (over power alarm threshold the power flash and the buzzer beeping to alarm).
  • 3. Power alarm threshold preset function ( can set power alarm threshold).
  • 4. The reset function of energy key.
  • 5. Store data when power off (store the accumulated energy before power off).
  • 6. Bright red digital display function (display voltage, current, active power, energy).
  • 7. Serial communication function (with TTL serial interface itself, can communicate with a variety of terminal through the pin board, read and set the parameters).
B.Front display and key
I. Display Interface
  • Display interface is formed by four bright red digital tubes, used to display the voltage, current, power, energy parameters.
II. Display Format
  • 1. Power: Test Range: 0 ~ 22kW
  • Within 0 ~ 10kW, the display format is 0.000 ~ 9.999;
  • Within 10 ~ 22kW, the display format is 10.00 ~ 22.00.
  • 2. Energy: Test Range: 0 ~ 9999kWh
  • Within 0 ~ 10kWh, the display format is 0.000 ~ 9.999;
  • Within 10 ~ 100kWh, the display format is 10.00 ~ 99.99;
  • Within 100 ~ 1000kWh, the display format is 100.0 ~ 999.9;
  • 1000 ~ 9999kWh and above, the display format is 1000 ~ 9999.
  • 3. Voltage: Test Range: 80 ~ 260VAC
  • Display Format is 110.0 ~ 220.0.
  • 4. Current: Test Range: 0 ~ 100A
III. Key
  • There is a key on the panel, it can be used to reset energy.
  • The method of reset energy: Long press the key for 5 seconds until the digital on energy display window flicker, then release the key. Short press the key again, then the energy data is cleared and quit the flickering state, now the reset operation is completed; if long press for 5 seconds again until no longer flicker, it means exit the reset state.

C.Wiring diagram

Figure 1 AC IN Wiring diagram

Figure 2 TTL serial communication wiring diagram

  • The wiring of this module is divided into two parts: the voltage and current test input terminal wiring and the serial communication wiring, as shown in Figure 1 and 2; according to the actual needs of the clients, with different TTL pin board to achieve communicate with different terminals, TTL pin board is not included in this module packing list, if you need it, please prepare it yourself or buy it online.
D.Display Interface
  • The whole meter panel display window is formed by four windows, they are voltage, current, power and energy; the following are brief description of each parameter display:

1. Voltage Display

  • Measure and display the current power frequency grid voltage.
2. Current display
  • Measure and display the current load (appliances) current. There is supplementary instruction that the current test value is from the beginning of 10mA , but this module belongs to high power test equipment, if you care about the mA level current testing accuracy, it is not be recommended.
3. Energy display
  • Measure and display the current accumulative power consumption. There is supplementary instruction that the minimum unit of the energy metering is 0.001kWh,which means it begins to accumulate from 1Wh, relatively speaking, the resolution is rather high, for the low-power(within 100W)load test, you can observe the accumulative process rather intuitively.
4. Power display
  • Measure and display the current load power. There is supplementary instruction that the power test value is from the beginning of 0.001kW , which means it begins to test from 1W, but this module belongs to high power test equipment, if you have the requirement of the testing within 1W, it is not be recommended.
E.Serial communication
  • This module is equipped with TTL serial data communication interface, you can read and set the relevant parameters via the serial port; but if you want to communicate with a device which has USB or RS232 (such as computer), you need to be equipped with different TTL pin board (USB communication needs to be equipped with TTL to USB pin board; RS232 communication needs to be equipped with TTL to RS232 pin board), the specific connection type as shown in Figure 2. In the below table are the communication protocols of this module:
Illustration of the communication protocol example:

1. Set the communication address: 192.168.1.1

  • Send command: B4 C0 A8 01 01 00 1E
  • Reply data: A4 00 00 00 00 00 A4
  • Note: The above example illustrate that setting the communication address as 192.168.1.1 (the user can set their own address based on their preferences and needs), sending commands and replying data automatically are as shown above, the data are expressed in hexadecimal; the last byte of the sending and replying data are 1E and A4, belong to cumulative sum. At sending commands: B4 + C0 + A8 + 01 + 01 + 00 = 21E (use the hexadecimal addition), the cumulative sum data is 21E, take the last two bytes 1E to be used the cumulative sum data in sending commands; data in reply: A4 + 00 + 00 + 00 + 00 + 00 = A4 (use the hexadecimal addition),the cumulative sum data is A4,which is the cumulative sum data in reply.
  • The explanation of the cumulative sum is now finished, the following parameter examples are the same as this, there is no explanation any more.

2. Set the power alarm threshold:20 KW

  • Send command: B5 C0 A8 01 01 14 33
  • Reply data: A5 00 00 00 00 00 A5
  • Note: 14 in the sending command is the alarm value (14 is a hexadecimal data representation, which converted to decimal is 20). What you should note is the power alarm value of this module is based on KW units, which means the minimum alarm value is 1KW, the maximum value is 22KW.

3. Read the current voltage

  • Send command: B0 C0 A8 01 01 00 1A
  • Reply data: A0 00 E6 02 00 00 88
  • Note: Reply voltage data is D1D2D3 = 00 E6 02,00 E6 represent the integer-bit of the voltage, 02 represent the decimal of the voltage, the decimal is one digit, converts 00 E6 to decimal is 230; converts 02 to decimal is 2, so the current voltage value is 230.2V.
4. Read the current current
  • Send command: B1 C0 A8 01 01 00 1B
  • Reply data: A1 00 11 20 00 00 D2
  • Note: Reply current data is D2D3 = 11 20,11 represent the integer-bit of the current, 20 represent the decimal of the current, the current decimal is two digits, converts 11 to decimal is 17; converts 20 to decimal is 32, so the current current value is 17.32 A.
5. Read the current power
  • Send command: B2 C0 A8 01 01 00 1C
  • Reply data: A2 08 98 00 00 00 42
  • Note: Reply power data is D1D2 = 08 98, converts 08 98 to decimal is 2200, so the current voltage value is 2200W.
6. Read the energy
  • Send command: B3 C0 A8 01 01 00 1D
  • Reply data: A3 01 86 9F 00 00 C9
  • Note: Reply energy data is D1D2D3 = 01 86 9F, converts 01 86 9F to decimal is 99999, so the accumulated power is 99999Wh.
F.Illustration of the communication
  • 1.Connect hard wire according to the wiring diagram in figure 1 and 2.
  • 2.After connect the wire, please choose the communication port, this module’s upper computer software support communication port: COM2\COM3\COM4, you can check through device manager, if it is not the above communication port, you should amend it through port.
G.Precautions
1. This module is suitable for indoor, please do not use outdoor.
2. Applied load should not exceed the rated power.
3. Wiring order can’t be wrong.
H. Specification parameters
  • 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

Package Included:

  • 1 x AC80-260V 100A Power Meter Monitor