Isolated converter Modbus TCP with Isolated 4-20mA output - DAT8024

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DAT 8024
0.50 Grams


Datexel Isolated converter Modbus TCP with Isolated 4-20mA output - DAT8024

Modbus TCP/IP server 4 isolated output channels for mA and Volt, High Accuracy

The device DAT8024 is a Modbus TCP server unit that can drive up to 4 analogue output signals via digital commands. To the outputs it is possible to connect either active or passive current loops up to 20 mA or voltage signals up to 10 V. The output channels are electrically isolated from each other.

For each channel it is provided an isolated power source in order to power passive current loops.

On request it is available a dedicated software version that allows to use the device as a Client unit to be connected to only one server device with possibility of scaling function. The device with such dedicated software version is identified by six additional figures reported after the main code on the batch label.

The device guarantees high accuracy and a stable measure versus time and temperature. In order to ensure the safety plant, the device is equipped with a Watch-Dog Timer system. The Ethernet interface allows reading and writing in real time the values of the internal registers of the device.

The LEDs of signaling of Ethernet activity and power supply allow a direct monitoring of the system functionality.

The built-in Web Server allows the remote visualization, setting of the analogue outputs and the access to the main Ethernet programming parameters. The device is also configurable by the software Dev9K, a free IDE developed by DATEXEL. The connection is made by removable screw-terminals (outputs and power supply) and RJ45 plug (Ethernet).

The device realizes a full electrical isolation between the lines, introducing a valid protection against the effects of all ground loops eventually existing in industrial applications. It is housed in a rough self-extinguishing plastic enclosure which, thanks to its thin profile of 22.5 mm only, allows a high density mounting on EN-50022 standard DIN rail.


The advantages and features for signal conditioner DAT8024:

- Interface Ethernet 10/100 Base-T, Modbus TCP Server

- 4 isolated output channels

- Configurable Analogue Outputs for mA and Volt

- Isolated power source for each channel to power passive loads

- Integrated web server to set the analogue outputs via browser

- Remotely programmable

- Connection by removable screw-terminals

- LED signaling for Link/Act Ethernet, power supply

- Galvanic isolation on all the ways

- CE mark

- In compliance to EN-50022 DIN rail mounting


  • Modbus TCP


  • Current mA 0 mA +20 mA
  • Voltage Volt 0 V +10 V


  • Power supply voltage 18 .. 30 Vdc
  • Reverse polarity protection 60 Vdc max
  • Current Consumption (**) 200 mA max




  • Power Supply / Ethernet 1500 Vac, 50 Hz, 1 min
  • Outputs / Power supply 1500 Vac, 50 Hz, 1 min
  • Outputs / Ethernet 1500 Vac, 50 Hz, 1 min
  • Output / Output 1500 Vac, 50 Hz, 1 min





  • Operative Temperature -10°C .. +60°C
  • Storage Temperature -40°C .. +85°C
  • Humidity (not condensed) 0 .. 90 %
  • Maximum Altitude 2000 m
  • Installation Indoor
  • Category of installation II
  • Pollution Degree 2


  • Material Self-extinguish plastic
  • IP Code IP20
  • Wiring wires with diameter 0.8÷2.1 mm2 /AWG 14-18
  • Tightening Torque 0.5 N m
  • Mounting in compliance with DIN rail
  • standard EN-50022
  • Weight about 160 gr

EMC ( for industrial environments )

  • Immunity EN 61000-6-2
  • Emission EN 61000-6-4



Series Information

The Datexel range of Modbus TCP analog output modules contain the DAT8024. It is a 4 Channel device with either a 4-20 mA or 0-10 V output. The 4-20 mA output can be active or passive. The Outputs, Ethernet and power supply are isolated from each other for up to 1500VAC for 1 minute.

The DAT8024 accepts a wide tolerance on its power supply from 10 to 30 Vdc and it can be mounted on a DIN Rail. Modbus TCP Development software is available free of charge from the Datexel download page.

Also found on Datexel website is an application note that can be used to find information on the register tables and configuration parameters of the DAT8024.

About Datexel:

Founded in 1992 from the commitment and aspiration of several partners as a small provincial company, through the years DATEXEL has become an established reality on Italian and international markets as a manufacturer of electronic equipment for industrial automation and control process.

The range of DATEXEL products includes: Transmitters, signal and temperature Converters (both analogue and digital), galvanic Isolators, signal Splitters, I/O Modules, Trip Amplifiers, Power Supply Units, current loop Isolators, analogue and digital Displays.


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Warranty Information

One Year Warranty
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Additional Information

4 Channels
4-20mA, 0-20 mA
0-10V, 2-10V
Ethernet 10/100T:
Modbus TCP
Power Supply:
10 - 30 Vdc. Reverse polarity protection 60 Vdc
Current Consumption:
60 mA Standby 115 mA Max
Temperature rating:
Operative Temperature 14°F +140°F -10°C +60°C Storage Temperature - 40°F +185°F - 40°C +85°C
(not condensing) 0-90%
Material self-extinguishing
W x H x T 4 3/4 x 4 x 7/8 inch, 120 x 100 x 22,5mm
160 g
Immunity EN 61000-6-2, Emission EN 61000-6-4
Input, Each Channel, Power Suppy, 1500Vac, 50Hz, 1 Minute
PC Configurable
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