We will be closed June 30th through July 4th for a scheduled company vacation. 
Orders will be processed in the order they are received, production resumes July 7th
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World's Largest Manufacturer of Computer Controlled Switching Devices Since 1995.
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

INTERNET CONTROL IS COMING: See How Our New Web Site Can Change The Way You Control Your World!

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Induction Suppression
Relay Controller Boards
ProXR Ultra Hybrid
1-Relay Controllers
2-Relay Controllers
SPDT DPDT HP
USB ZigBee RS-232
Fiber Optic Bluetooth Solid State
4-Relay Controllers
SPDT DPDT HP
  Wireless XR
USB ZigBee RS-232
Fiber Optic Bluetooth Solid State
8-Relay Controllers
SPDT DPDT HP
  Wireless XR
USB ZigBee RS-232
Fiber Optic Bluetooth Solid State
16-Relay Controllers
SPDT DPDT HP
REED Wireless XR
USB ZigBee RS-232
Fiber Optic Bluetooth Solid State
Ethernet Wi-Fi 802.11b
24-Relay Controllers
SPDT DPDT XR
USB ZigBee RS-232
Fiber Optic Bluetooth Solid State
32-Relay Controllers
SPDT DPDT HP
REED Wireless  XR
USB ZigBee RS-232
Fiber Optic Bluetooth Solid State
Ethernet Wi-Fi 802.11b
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
Interfaces and Components
Speed Controllers
Video Switches
Repair 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
Backup Site:
www.relaycontrollers.com

 


Coming July 7, 2008: Fiber Optic Relay Controllers

Fiber Optic Data Collection and Control

  • 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: Fiber Optics is Faster, with No Security Protocols
  • Offers the same electrical isolation at a lower cost
    than a typical wireless interface

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 Relays Network Relays Wireless Relays
USB Relay Control Boards Wi-Fi Relay Control Boards ZigBee Relay Control Boards
  • 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
  • 802.11b Wi-Fi Wireless Network Relay Controllers
  • Integrated 8/10-Bit Analog to Digital Conversion
  • 16 or 32 On-Board Relays
  • Embedded Web Server and 802.11b WLAN Interface, Antenna and Power Supply
  • Allows for a transparent Wireless Serial Connection Between your Computer and Our Controller.
  • Just plug in a ZigBee Modem into the USB Port of your PC and open the virtual COM Port
  • Talks to this device as though it were directly connected to your PC
 
Bluetooth Relay Bluetooth I/O A/D ProMOTE Software for Bluetooth Control


Shown Above BTADR85PROXR

Bluetooth Relay Controller

ProMOTE Lets you Control NCD Devices from your Phone, PDA, Pocket PC, or Computer!  Create your OWN Interface to Control NCD Devices with NO PROGRAMMING!!...Best of All...It's FREE!!!
Download ProMOTE Now!
  • Allows wireless switching using any Bluetooth equipped PDA, Laptop, or Desktop Computer
  • Mounts as a Bluetooth Serial device
  • Simply Open the new COM port and talk to the device as though it were directly connected to the Serial port
  • Very easy to use and Program

It's not enough to have relay control. Data collection and monitoring are also very important features for most real-world applications. Our Bluetooth series controllers use our exclusive ProXR firmware to provide standardized data collection and relay control.  Communicating Bluetooth data and control works like any other device we offer

Bluetooth Relay Controller

Bluetooth Relay Controller

We left nothing to chance on our Latest Bluetooth Series Controllers.  UXP Expansion Gives you a POWERFUL Upgrade Path for the most demanding applications.  Including High-Resolution A/D Conversion, Contact Closure Inputs, and Potentiometer Outputs. Control NCD Bluetooth Devices from your Cell Phone/PDA!
Get Started with Bluetooth Data Collection and Control.  Our Exclusive Article gives you the Starting Point you Need!!!
              
RS-232 Relay
Serial Relay Controller Boards
  • Our Original RS-232 Series Relay Controllers offer More Features and Expandability than Any Other Competing Controllers
  • Offers a 5-Year Warranty and Proven ProXR Command Set
  • Sets the Standard for which all other Computer Controlled Switching Devices should be judged
Ethernet Data Collection and Relay Control Now Shipping!

Use this Relay Controller over your Local Area Network!

Acts Like its Connected to your Serial Port!

Control up to 256 Relays over your Local Area Network.  Now Supporting Ethernet and Wi-Fi 802.11b Communications.  Mounts as a Virtual COM Port over TCP/IP Network for Easy Programming.  Integrated 8-Channels of 8/10 Bit Analog to Digital Conversion Allows Sensor Monitoring and Relay Control using a Single Device! 16 or 32 Channels Available with SPDT or DPDT Relays.

Virtual COM Port Driver Makes Programming EASY!

Computer Control over your Local Area Network in Minutes!
Watchdog Timer Features are PERFECT For Automatic Server Reboot Applications!

ZigBee Relay Controller

USB Relay Controller Board

Wireless 4-Channel Relay Controller with A/D R25 Dual Relay Controller
shown with Optional
Quick Start Kit
Wireless 24-Channel Relay Controller with A/D R45Pro Quad Relay Controller
Shown Connecting to Optional
Quick Start Kit
USB 32-Channel with 8-Channel A/D
USB 2-Relay Board USB 4-Relay Controller
USB Relay
8-Channel
USB Programmable Resistor Outputs USB 8/12-Bit A/D 32 Channels

New Device!!!
20 or 30-Amp Relays 8-Channel 8/10-Bit A/D XR Relay Expansion Port

New Device!!!
5 or 10-Amp Relays 8-Channel 8/10-Bit A/D XR Relay Expansion Port
New Device!!!
5 or 10-Amp Relays 8-Channel 8/10-Bit A/D XR Relay Expansion Port
New Device!!!
8-Channel USB Programmable 10K, 50K, 100K Resistors, 256 Step Resolution, Expandable!
New Device!!!
USB 8/12-Bit Analog to Digital 32 Input Channels Resolution and XR Expansion
USB 8/12-Bit A/D 16 Channels USB Programmable Resistor Outputs USB 8/12-Bit A/D 48 Channels
Watch for Fiber Optic, and Solid State Relay Controllers to be Released This Year!
 
Bluetooth Devices
Now Shipping!
New Device!!!
USB 8/12-Bit Analog to Digital 16 Input Channels Resolution and XR Expansion
New Device!!!
16-Channel USB Programmable 10K, 50K, 100K Resistors, 256 Step Resolution, Expandable!
New Device!!!
USB 8/12-Bit Analog to Digital 48 Input Channels Resolution and XR Expansion