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World's Largest Manufacturer of Computer Controlled Switching Devices Since 1995.
Fiber Optic Relay Control and Data Collection SignalSwitch.com - Control Devices Over the Internet
National Control Devices, LLC
PO Box 455 • Osceola • MO • 64776
Phone: 417.646.5644  • Fax: 866.562.0406
Open 9AM-4PM Central Standard Time
www.controlanything.com  •  www.iorelay.com
  Learn to Write Your Own Software to Control NCD Devices in Minutes!
USB Relay USB I/O
USB Analog Digital		 RS232 Relay RS-232 I/O
Serial Relay RS-232 A/D		 Bluetooth Relay Ethernet Relay Wi-Fi  Relay
802.11b Relay		 ZigBee Relay
ZigBee Modem		 Fiber Optic Relay Wireless Relay
Remote Switch		 SPDT Relay
DPDT Relay		 Watchdog Timer
Watchdog Server
Beta Version of SignalSwitch.com Now Open!
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Internet Data Collection
SignalSwitch.com
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Induction Suppression
Relay Controller Boards
ProXR Ultra Hybrid
1-Relay Controllers
SPDT RS232 HP
Wireless ZigBee
XCS Long Range Wireless
 
2-Relay Controllers
SPDT DPDT HP
USB ZigBee RS232
Fiber Optic Bluetooth Solid State
XCS Long Range Wireless
 
4-Relay Controllers
SPDT DPDT HP
Solid State Wireless XR
USB ZigBee RS232
Fiber Optic Bluetooth
 
8-Relay Controllers
SPDT DPDT HP
  Wireless XR
USB ZigBee RS232
Fiber Optic Bluetooth Solid State
XCS Long Range Wireless
 
16-Relay Controllers
SPDT DPDT HP
REED Wireless XR
USB ZigBee RS232
Fiber Optic Bluetooth Solid State
Ethernet Wi-Fi 802.11b
XCS Long Range Wireless
 
24-Relay Controllers
SPDT DPDT XR
USB ZigBee RS232
Fiber Optic Bluetooth Solid State
XCS Long Range Wireless
 
32-Relay Controllers
SPDT DPDT HP
REED Wireless  XR
USB ZigBee RS232
Fiber Optic Bluetooth Solid State
Ethernet Wi-Fi 802.11b
XCS Long Range Wireless
 
XR Relay Expansion Boards
UXP I/O A/D Expansions
Analog to Digital Converters
Digital Potentiometers
Keypad Encoders
Light Dimmers
USB Devices
Microcontrollers
Mirror Modules
Motor Controllers
Power and Interface
Speed Controllers
Video Switches
Recovery Kits
Programmers Toolbox
Upcoming Devices
Contact NCD
National Control Devices, LLC
Open M-F 9AM - 4PM CST

Call: (417) 646-5644
FAX: (866) 562-0406
Contact Information
   

 Net-30 Purchase Orders Accepted from Companies with Established Accounts.
SECURE SERVER
 
Visit one of our other
great web sites:
www.SignalSwitch.com
www.relaycontrollers.com

 


SignalSwitch

Control Any NCD Device Over the Internet
    SignalSwitch.com
  • Control any NCD Device Over the Internet
  • Works with any board and any interface
    • RS-232
    • Ethernet
    • Wi-Fi 802.11b
    • Bluetooth
    • USB
    • ZigBee
  • Ethernet and WiFi Boards work without a computer
  • User-customized pages allow you to configure buttons to fit your needs with no programming
  • Beta Version Now Open

SignalSwitch.com talks directly to a program on your computer called a listener.  The listener is a free download that maintains client connection with SignalSwitch.com and waits for a command.  This service will work with any NCD device.  If your device is a WI-Fi or Ethernet device no computer is needed, SignalSwitch.com will talk directly to the device!  We have virtually ELIMINATED THE NEED FOR PROGRAMMING!  Simply download and install the free listener, configure the buttons to fit your needs and your ready to go.  Internet data collection is finally available to you even if you have never done it before.  We give you the tools to control anything...anywhere.

Whether your device is across the room
or across the world you can control it with SignalSwitch.com
USB Relay Wireless Relay Ethernet Relay
 
USB Relay Controller Board  WiFi Relay Controller Board Ethernet Relay Controller Board
  • Allows computer controlled switching using the USB port of your computer
  • Works with any programming language that supports serial communications
  • COM drivers allow you to 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
  • 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  Bluetooth Relay  ZigBee Relay
RS232 Relay  
Serial Relay Controller  Bluetooth Relay Control  ZigBee Relay Control Boards
  • Offers More Features & Expandability Then Any Other Serial Relay
  • 5-Year Warranty
  • Proven ProXR Command Set
  • Sets the Standard for Which All Other Computer Controlled Switching Devices Should be Judged
  • RS232 Introduction Article
  • 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 DPDT Relay USB Potentiometer
   
Fiber Optic Relay Board DPDT Relay Board 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

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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		 Light Dimmer
Speed Controller or Motor Controller

ZigBee Relay Controller

  
  • Large Selection
  • Available in all interfaces
  • Available in all controller sizes
  • 1, 3 & 5 amp versions available