BRAINBOXES 

ED-204 Brainboxes Ethernet to Digital + RS232 + Switch

Mfg Part Number:  ED-204  
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Price: $214.41
Quantity:
In Stock: 16
Last Updated: Sep 19, 2025
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Ethernet to DIO device with Serial port: 4 digital input channels . Powerful ARM 80 MHz, 32 Bit CPU. Offers robust and intelligent 'control side' devices that provide the interface to systems on the 24V factory floor environment, commonly referred to as 'process side'. The device installs as a COM Port on the PC to give complete backwards compatibility essential for legacy applications.

Typical applications are control and switching of AC and DC motors, Fans, relay drivers, pumps, Voltage Regulators and Battery Chargers, LEDs and Bulbs, Air Conditioning, Heaters and Solenoids..

More from the Manufacturer

Main Specification
General Information
Manufacturer Brainboxes Limited
Manufacturer Part Number ED-204
Manufacturer Website Address http://www.brainboxes.com
Brand Name Brainboxes
Product Model ED-204
Product Name Ethernet to 4 Digital IO and RS232 Serial Port with Ethernet Switch
Product Type Ethernet To Digital IO Module
Physical Characteristics
Height 1"
Width 4.6"
Depth 3.9"
Weight (Approximate) 4.73 oz
Miscellaneous
Package Contents
  • Ethernet to 4 Digital IO and RS232 Serial Port with Ethernet Switch
  • Installation CD Including Manual, Microsoft Signed Drivers & Utilities
  • Quick Start Guide
Additional Information

IO Channels

  • IO Protocols Modbus TCP or DCON ASCII (over TCP or Virtual COM port)
  • Description 4 Digital Inputs/Outputs
  • Digital Inputs 4
  • Digital Outputs 4
  • Analog Inputs 0
  • Analog Outputs 0
  • Watchdog When device comms is lost, outputs can be set to predetermined state
  • Power On Values Outputs can be set to predetermined values on power on
  • Safe Values When Input triggered, outputs can be automatically set to predetermined value

Digital IO

  • Input Logic Level 0 -30.0V to +1.0V
  • Input Logic Level 1 +2.0V to +30V
  • Input Latches Triggered by user programmable positive or negative edges, stays true until acknowledged
  • Input Counter User progammable- counts positive or negative transitions up to 200Hz
  • Digital Output Type Open drain transistor, protected MosFET. Short circuit protection up to 36V. Over temperature shutdown -175°C typical 150°C min
  • Maximum Output Load Voltage 30 VDC
  • Maximum Output Current Sink 0.85A per channel

Serial Port

  • Serial Gateway True serial port: RS232/422/485
  • Protocol RS232

Network

  • Number of Ports 2: 1 Uplink and 1 LAN, individually configurable
  • Network Port Type RJ45 Jack 10/100 MHz Autosensing, Cross Over Autosensing (MDIX)
  • Network Protocols ICMP, IP, TCP, DHCP, HTTP
  • Protection 1500V Magnetic Isolation between ports and network

Power

  • Power Input 5V - 30V DC input, reverse polarity protected
  • Power Supply 1 Description Global Power Supply - PW-600
  • Power Supply 2 Description Power supply PW-650
  • Max Input 35 Volts

General

  • Operating Temperature Range 0 °C to +60 °C / 32 °F to +140 °F
  • Industrial Standard No
  • Storage Temperature 0 °C to +70 °C / +32 °F to +158 °F
  • Galvanic Isolation No

Operating Systems

  • Microsoft Windows 10
  • Suitable for any device with a Web Browser
  • Microsoft Windows 8 32 bit & 64 bit Editions
  • Windows Server 2012
  • Raspberry Pi
  • Android
  • Windows Server 2008 R2
  • Microsoft Windows 7 32 bit & 64 bit Editions
  • iOS
  • Windows Server 2008 32 bit & 64 bit Editions
  • Windows Vista 32 bit & 64 bit Editions
  • Mac OS X
  • Windows XP 32 bit & 64 bit Editions
  • Microsoft Windows 2000
  • Linux
Country of Origin United Kingdom
Environmentally Friendly Yes
Environmental Compliance Waste Electrical and Electronic Equipment Directive (WEEE)
Environmental Compliance Restriction of Hazardous Substances (RoHS)
Warranty
Limited Warranty Lifetime
product information
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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