National Control Devices, LLC

World's Largest Manufacturer of Computer Controlled Switching Devices Since 1995.
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Fiber Optic Relay Board

Fiber Optic Relay Controller 
  • Isolated: Fiber Optics offers superior noise immunity
  • Futureproof: The customer has the choice of selecting and changing interface options with minimal down time
    • RS-232
    • Ethernet
    • Wi-Fi 802.11b
    • Bluetooth
    • USB
    • ZigBee
  • Cost Effective: Offers the same electrical isolation at a lower cost than a typical wireless interface
  • Fiber Optics is Faster, with No Security Protocols

Fiber Optic Relay Controllers have the Ability to Collect Data and Control High-Power Devices with minimal EMI, which can adversely affect Computers.  Our Fiber Optic Series Controllers Offer Superior Noise Immunity and Protection using a Futureproof Interface that can be Changed or Upgraded at any time.  Our Fiber Optic Series Controllers are Available with All Standard Interfaces, including ZigBee, Bluetooth, RS-232, Wi-Fi 802.11b, Ethernet, and USB.
USB Relay
 USB Relay Controller Board		 Wireless Relay
 WiFi Relay Controller Board		 Ethernet Relay
 Ethernet Relay Controller Board
 
  • Allows computer controlled switching using the USB port of your computer
  • Works with any programming language that supports serial communications
  • Assign any COM port to this device
  • Supports 8-Channels of 8-Bit / 10-Bit Analog to Digital Conversion
  • USB Introduction Article
  • Integrated 8/10-Bit Analog to Digital Conversion
  • Integrated Temperature Sensor
  • 16 or 32 On-Board Relays
  • Supports Telnet & Data Encryption
  • Embedded Web Server & 802.11b WLAN Interface, Antenna and Power Supply
  • WiFi Introduction Article
  • Ethernet Interface mounts as a COM port on your PC Through Your LAN
  • Supports Telnet and Data Encryption with Password Protection
  • Sixteen On-Board Relays
  • Embedded Digi Connect ME Ethernet Interface & Web Server
  • Ethernet Introduction Article
RS232 Relay
 Serial Relay Controller		  Bluetooth Relay
 Bluetooth Relay Control		  ZigBee Relay
 ZigBee Relay Control Boards
RS232 Relay  
  • Allows Wireless Switching Using any Bluetooth Equipped PDA, Laptop, or Desktop
  • Very Easy to Use and Program
  • Mounts as a Bluetooth Serial Device
  • Simply Open the COM Port and Talk to the Device as Though it were Directly Connected
  • Bluetooth Introduction Article
Fiber Optic Relay
 Fiber Optic Relay Board		 DPDT Relay
DPDT Relay Board		 USB Potentiometer
 Programmable Potentiometer
 
  • Isolated: Offers superior noise immunity
  • Futureproof: The customer has the choice of selecting and changing interface options with minimal down time
  • Cost Effective: Offers the same electrical isolation at a lower cost than a typical wireless interface
  • Fiber Optics is Faster, with No Security Protocols
± ± ± WE'VE DONE THE PROGRAMMING FOR YOU!  ± ± ±
ProMOTE Software SignalSwitch.com
SignalSwitch.com User Page
SignalSwitch.com Allows you to Control any NCD Device Over the Internet! 
Create your OWN Interface to Control NCD Devices with NO PROGRAMMING!!...
Best of All...It's FREE!!!

Here's What People are Saying about SignalSwitch.com
"It's fun seeing the site progress as you guys work on it...great job so far!"
Control Any
NCD Bluetooth Relay		 Control Anything...Anywhere...
  • Bluetooth Wireless Interface allows you to use your cell phone or PDA as a remote control
  • Software also allows wireless communications from your PC
  • Use any cell phone with Windows
    Mobile 6 installed
  • Use any PDA with Windows
    2003SE installed

Click here to visit our ProMOTE page 
  • User-Customized Pages for Controlling Devices from Anywhere in the World from SignalSwitch.com
  • User-Customized PDA (Pocket PC) Pages for Controlling Devices from Anywhere in the World from SignalSwitch.mobi
  • One Account can Service Thousands of Controllers Worldwide
  • Client Application Tools Allow you to Write your Own Software for Internet Control
  • Complete Integration Tools for Computer Control from your Own Web Site
  • Anticipated Beta Release Date October 1st.
  • Free Service to Unlimited Client Locations 

Click here to visit our SignalSwitch.com page
 
  ± ± CLICK HERE TO LEARN MORE ABOUT SIGNALSWITCH.COM    ± ±
 
              
Helpful Resources
Helpful articles, program samples and manuals are all here to help you get the most from your controller.
For more information try our
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New Low Cost Relay Controllers

Computer Controlled Relay
Has Never Been This Affordable

RS232 & ZigBee Interfaces Available!
  • 1 & 2 Relay Options
  • RS232 & ZigBee Interfaces
  • High Power 20 Amp Relays
  • Signal Switch Compatible
  • Reliable Field Tested Boards
  • No-Click Power-Up

Mounts as a Virtual COM Port for EASY Programming!
Computer Controlled Relay in minutes!
Simply Connect the Serial Cable, Power and Start Sending Commands!
       
A/D Conversion
 Analog to Digital Conversion		  Watchdog Relay
 Watchdog Timer		 SPDT Relay
 SPDT Controller		 Recovery Kits
Recover Your Controller

ZigBee Relay Controller

  
  • Large Selection
  • Available in all interfaces
  • Available in all controller sizes
  • Restore your board to it's original condition
  • Contains original programs
1 Channel w/Interface
R15RS with Integrated RS232 Interface		 1 Channel - Low Cost
 R120HP Low Cost Relay Board		 1 Channel ZigBee Relay
 ZR15 Single Channel ZigBee Relay		 1 Channel SPDT Relay
 R15 Single SPDT Relay Board
  • NEW DEVICE
  • 5 & 10 amp versions available
  • Quick Connect Terminal Blocks
2 Channel ZigBee Relay
Dual ZigBee Relay		 2 Channel - Low Cost
R220HPRS Low Cost Relay		 4 Channel Fiber Optic
RFOADR410ProXR Fiber Optic Relay		 Upcoming Devices
New Devices We're Working On