Isolator Repeater RS485 or RS422 - DAT3590 4W

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DAT3590 4W
160.00 Grams


Datexel Isolator Repeater RS485 or RS422 - DAT3590 4W

RS422 Repeater, UL / CE mark, Highly Accurate – made in Italy

The device DAT 3590 is an isolated repeater between asynchronous serials lines RS485 or RS422 that guarantees a full isolation between power supply and serial line removing eventual ground-loop effects, allowing the use of the device even in the heavy environmental conditions.

It is designed to operate either on serial interface RS-422 full-duplex 4 wires or RS485 half-duplex 2 wires, with a baud-rate transmission up to 115.2 Kbps.

The transmission is asynchronous without settings of protocol, data format and baud rate.

The DAT 3590 is in compliance with the Directive UL 61010-1 for US market and with the Directive CSA C22.2 No 61010-1 for the Canadian market.

The device is housed in a rough self-extinguishing plastic container 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 Datexel Isolator Repeater DAT3590 4W:

  • Asynchronous serial data transmission
  • Automatic baud-rate fitting up to 115.2 Kbps
  • Distance up to 1200 m
  • Point to point connection or multipoint connection up to 32 modules
  • DC or AC power supply
  • Galvanic isolation
  • UL / CE mark
  • Suitable for DIN rail mounting in compliance with EN-50022

In compliance with standard

  • RS485 and RS422,
  • RS485 Interface
  • Baud-rate up to 115.2 Kbps

Max. distance / baud-rate ratio

  • 1.2 Km –4000 ft @ 38400 bps(recommended)
  • (1) 2 Km – 6560 ft @ 19200 bps
  • 3 Km – 9840 ft @ 9600 bps
  • 4 Km – 13100 ft @ 4800 bps
  • 5 Km – 16400 ft @ 2400 bps
  • 7 Km – 23000 ft @ 1200 bps
  • Number of modules in multipoint up to 32
  • Switching time TX/RX (RS485) 150 us.
  • Internal terminator resistance (optional) 120 Ohm


  • Power supply DC voltage 10 .. 30 Vdc
  • Reverse polarity protection 60 Vdc max
  • Power supply AC voltage 9 ÷ 18 Vac (18 ÷ 30 Vac optional)

Current consumption

  • 35 mA max.


  • RS-485/422 removable screw terminals



  • Power supply / RS485-422 2000 Vac, 50 Hz, 1 min. RS485-422 / RS485-422 2000 Vac, 50 Hz, 1 min.



  • Operative Temperature -20°C .. +60°C
  • UL Operative Temperature -10°C .. +40°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 g.


  • EMC (for industrial environments)
  • Immunity EN 61000-6-2
  • Emission EN 61000-6-4
  • UL US Standard UL 61010-1
  • Canadian Standard CSA C22.2 No 61010-1
  • Typology Open Type device
  • Classification Industrial Control Equipment


Series Information

“P.D.S. SERIES”: temperature and signal transmitters

The P.D.S. (programmable by dip-switches) series transmitters and converters

can accept on their input signals coming from 2 or 3 wires Pt100. Thermocouple and Strain Gauge sensors or Voltage and Current signals.

  • Single and double channel 4÷20 mA two wires transmitters for Pt100 input without galvanic isolation (DAT2065, DAT2066)
  • 4÷20 mA two wires transmitter for Thermocouple input without galvanic isolation (DAT2045)
  • Single and double channel converters for Pt100 input with configurable output as voltage or current without galvanic isolation (DAT2165, DAT2166)
  • Isolated converter for Pt100 input with configurable output as voltage or current (DAT2061)
  • Converter for Thermocouple input with configurable output as voltage or current without galvanic isolation (DAT2145)
  • Isolated signal converters with configurable input and output as voltage or current (DAT5020. DAT5021, DAT5023I, DAT5023V)
  • Isolated signal splitter with configurable input and output as voltage or current (DAT5022)
  • Isolated signal converter for Strain Gauge input with configurable output as voltage or current (DAT5025) and converters for DIN rail mounting

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

RS422 to RS422
Number of Modules:
Up to 32
Switching time:
Power Supply:
10 to 30Vdc
Sample Time:
40 ms
Temperature rating:
Operative -4°F +145°F -20°C +60°C Temperature Storage Temperature -40°F +170°F -40°C +85°C
(non condensing) 0-90%
Material self-extinguishing
W 4 L 4 3/4 H 1" 100 mm X 120 mm x 22mm
160 g
For industrial environments. Immunity: EN 61000-6-2. Emission: EN 61000-6-4
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