IP Voltmeter v 2.1

ip voltmeter v21
IP Voltmeter v 2.1

includes:

3 analog inputs ( DC voltmeters )

The IP voltmeter is a universal device that can measure 3 voltages and transfer data over the internet. The inputs are fully independent and galvanically isolated.


The board is of the plag and play type - after connection to a power source and ethernet it is immediately ready for use.

The board also includes advanced functions for sending alerts and storing measured data in the cloud.

Technical information.

Board size: 93 x 109 mm
Power supply: + 5V to + 28V DC
Current consumption : 77 mA / 12 V
Voltmeter measurig range: 0 - 70 V DC
Voltmeter resolution : 0.01 V
Speed measurement : 2 times/sec

The content presented on this webpage pertains to general information that is applicable to versions v 2.1, v 2.2, and v 2.5. It should be noted that version v 2.3 does not include the "advanced functions" that are explained on this page.

Reading measured data

The IP voltmeter offers various methods to retrieve the measured data, including accessing it through a web browser, utilizing a TCP client, using an SNMP client, or reading the status.xml XML file.

IP voltmeter v2.1 web browser
Web browser

The most common way to read data is to use a web browser.

tcp server
TCP server

The IP voltmeter has a built-in TCP server on port 9760.

IP voltmeter v2.1 snmp client
SNMP client

IP voltmeter supports SNMP protocol v2.

xml file screenshots
Reading XML file

It is a efficient way of reading the measured data.

Start working with IP voltmeter.

  • 1. Connect ethernet cable to TCP/IP voltmeter.
  • 2. Connect cables for voltmeter and ammeter to measuring device.
  • 3. Connect the power supply.
  • 4. Start web browser or other application.

When TCP/IP voltmeter is connected to the network and power is on, voltmeter will begin to send and receive packets. This is indicated by yellow and green LED diode.

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illustration
illustration

Network configuration and setup

The IP voltmeter supports the following protocols: TCP/IP, UDP, HTTP. HTTPS is not supported. The IP voltmeter gets a dynamic IP address when connected to the network.

The IP address is obtained from the DHCP server. The board can also have a static IP address.

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Block diagram

The board contains a 3.3V power supply that powers the entire board. Then the processor, Ethernet controller, optocoupler and 2 A/D converters.

The A/D converters are galvanically isolated from the board and the individual channels are also isolated from each other. This solution allows to use the board in various applications without grounding problems.

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Power supply

IP voltmeter is designed for a wide range power supply. IP voltmeter is supplied by external source of +5 to +28 Volts DC. Current consumption is around 77 mA/12V. At higher supply voltages the current is smaller.

The board can be powered from an universal AC/DC power supply adapter or from batteries. The board can also be powered by a battery that is directly measured. Read More

illustration
illustration

Voltage measurement

When connecting IP voltmeter to other devices, it's important to consider whether to use a common ground or a separate ground. A common ground means that all devices in the system share the same ground reference.

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Advanced functions

The IP voltmeter offers various methods to retrieve the measured data, including accessing it through a web browser, utilizing a TCP client, using an SNMP client, or reading the status.xml XML file.

illustration

Sending alert

The device allows you to send an alert if the value of any voltage reaches a certain set value.

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SNMP client

Data can also be read via SNMP protocol. The device contains an SNMP agent v2.

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Remote DB

IP voltmeter contains a TCP client that can send data to a remote database using the POST method.

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Cloud

Data can be sent to the Thingspeak.com cloud. The board contains a TCP client...

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More information

Price : 59 USD/piece