Ethernet Relay
Network Relay
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Computer Controlled Switching from
Anywhere on the Network
An Ethernet Relay Board will Allow Computer Controlled Switching from Any Computer Connected to a 10/100 Ethernet Network. The Ethernet Relay Board Connects to the Ethernet Port of your Local Network Hub, Allowing Computer Controlled Switching from Anywhere on the Network. Current versions offer Relay Control +
8-Channels 8/10-Bit A/D, or Relay Control +
UXP Expansion Port. All versions include an
XR Expansion Port for adding additional relay banks. Using our
Standardized ProXR Command Set.
Summary of Ethernet Communications
- Ethernet Interface Mounts as a COM Port on your PC Through your LAN
- Supports Telnet and Data Encryption with password protection
- Embedded Digi Connect Wi-ME Ethernet Interface and Web Server from www.digi.com
- Plug in, open the COM port and start sending commands
- SPDT, DPDT and Solid State versions
- Control one relay at a time or all relays at once with manual and automatic refreshing command set
- ProXR versions are capable of controlling up to 256 relays
- CPU status LEDs show command processing Activity
- SignalSwitch Compatible
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The ease of setup and expansion of our
Ethernet Relay Board is demonstrated above. |
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NER325PROXR |
Ethernet Relay
Our Ethernet Relays feature a wide range of controllers to fit just about any application!
DPDT and SPDT and Solid State controllers are available with your choice of eight channel 8/10-Bit
Analog to Digital Conversion or
UXP Expansion Port on selected models and all are of course
SignalSwitch compatible. All Ethernet Relays feature the
ProXR Command Set and an
XR Expansion Port. Built from the ground up with expansion in mind, simply chain the
XR Expansion Modules to the XR Expansion port, one after another, to meet your computer controlled switching requirements to add up to 256 relays.
For more detailed information, videos, manuals and to order, please click on the links below.
Easy Software Development
Communications and software development is very easy, simply write your software to speak to the RS-232 serial port (COM port of your PC), and install the included RealPort Drivers that allow you to map a COM port to an I.P. address. So you do not have to know anything about Ethernet communications to speak to the device.
Many Communication Protocols for Advanced Users
Advanced users may want to employ other communication protocols to speak the the Ethernet Relay Controller. NCD Ethernet Relay Controllers can also be controlled using Telnet. I.P. Addresses and are automatically or manually assigned. NCD Ethernet Relay Controllers also support security protocols such as Shared Key, WEP, WPA, and Cisco LEAP with support for WEP, TKIP, and CCMP data encryption.
Ethernet with .NET Framework
ZETH-NET uses Digi Stock Digi .Net Framework Communications Module pre-programmed with our open-source ProXR Server Firmware. ZETH-NET is our own breed of Ethernet communications. ZETH-NET is an Open-Source project that offers a powerful web-browser interface for direct control of relays from a web-page served directly to users from the ZETH-NET module, without the need for a server. ZETH-NET is accessible from anywhere on your local area network. If you have a static IP address, ZETH-NET is accessible from anywhere in the world. In addition to a web browser relay control interface, ZETH-NET devices also allow you to control the device from your own software through direct TCP/IP communications while still hosting a web browser interface. Look for ZETH-NET in the part number for boards with the .NET Framework or add to any Ethernet board by selecting it as an option at checkout.
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A/D Conversion
Ethernet Analog to Digital Converter |
UXP Expansion
UXP Expansion Port
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XR Expansion
ProXR versions |
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Onboard analog to digital conversion is available on selected models of these controllers! This will allow you to:
- Read light and temperature levels
- Easily activate relays when A/D limits are reached
- Detect audio levels in a room when connected to a microphone
- Read switches, potentiometers, and analog joysticks
- applications are limitless, and surprisingly easy to integrate
- Available on the 4, 8, and 16 channel boards
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UXP is a new standardized data port, specifically for the purpose of speaking to various expansion modules. If the controller you are considering is equipped with a UXP port, you can take advantage of extended commands to speak to our growing line of I/O expansion modules. UXP in the part number allows you to:
- Add Contact Closure Inputs
- Add Analog to Digital Inputs
- Add Voltage Detectors
- Digital Potentiometer Outputs
- Available on the 4 and 8 channel boards
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Models with the ProXR suffix will feature the ProXR commend set. The ProXR series will allow you to:
- Send simple commands to activate relays
- Upgrade without having to re-write your software
- Activate up to 16 relay timers
- Control up to 256 total relays using the XR expansion port
- Full backward/forward compatibility w/the ProXR series command set
- Available on 4, 8, and 16 channel boards
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NCD Network Component
Download NCD Network Component
Ethernet and WiFi users can download the NCD Network Component and talk directly to Ethernet and W-Fi devices through TCP/IP communications. Same great features as the Component Library for network device users allowing you to talk directly to Ethernet or Wi-Fi devices through TCP/IP communications!
Quick Summary of NCD Network Component
- Simplifies the communications to NCD Ethernet & WiFi devices
- Samples available for specific applications
- Samples available for specific relays
- Source code included so you can customize the sample to fit your needs
- All samples are FREE
- SignalSwitch Compatible
We've "Started" the Programming for You
With the NCD Component Library we've "started" the programming for you. We say started because these are fully functioning samples but we've also included the source code so you can customize them to your exact needs. Start by downloading the NCDNetworkComponentSetup.zip file from the Software Page. |
 Download NCD Network Component
Over 40+ samples included with this download! Start by downloading the NCDNetworkComponentSetup.zip file and you will be communicating with any NCD Ethernet & WiFi device faster that ever!
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This video is a basic introduction to the world of Computer Controlled Switching and Relays in general.
Also read our "Introduction to Computer Control" Article.
Watch to find out the advantages of wireless communications and the differences between wireless communications.
Also read our Articles on Communication Protocols.
This video will show you what Induction is and how to use Capacitors to Suppress it.
Also read our Article on Induction Suppression.
This movie will show you how to find the Com Port assigned to your Relay Controller.
The first half of the video will show you how to do so in Windows Vista and the second half is using Windows XP.
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Retail Software
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