RS232 Relay Control with Terminal Block & RS232 Interface
RS-232 2-Channel 5-Amp SPDT Relay Controller with RS-232 Interface
Product Code: R25RS
Highly reliable serial communications for the most demanding applications
Setup for the R25RS RS232 relay shown above with onboard Serial and power connections. Simply connect the Power and Serial Cable and start sending commands. Quick Connect terminal block makes if easy to connect electronics.
RS232 w/Interface & Connectors at a Glance
- 9600 Baud Operation
- Relay Status LEDs
- Integrated standard serial and power connector
- Convenient Terminal Blocks for easy electronic connections
- E3C Compliant
- Programmable E3C Device Number
- High-Quality Sealed Relays
- Overkill Transistor Drivers
- +12 Volt Operation, 2-Wire RS-232
- No-Click Power-up
- See Manual for Outline Dimensions
Video Resources
(Select a thumbnail to view the video)Introduction to Relay Control
Learn how computer controlled relays communicate and control
Intro to Wired Communications
Learn the basics of wired communications and find the right wired controller for your application
Induction Suppression
Learn about Induction Suppression and how to counter it using Capacitors
Introduction to A/D
Learn about Analog to Digital Conversion and its uses
How to Find the Com Port
Learn how to find the Com Port that your Device is using
About Expansion Ports
Learn about the Expansion Options available to use with our controllers
Resources:
This Product:
Related Products:
Desktop Control
Questions?
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Warranty Information
National Control Devices, LLC www.controlanything.com Since October, 1995 .
Relay Control with Terminal Block & RS232 Interface
Integrated standard serial and power connector
Convenient Terminal Blocks for easy electronic connections
Highly Reliable Relay Board For Demanding Applications
RS-232 Serial Relay Controller
This relay is equipped with terminal blocks for convenient connection of electronic devices. This controller also has on-board serial and power connector. Simply connect the power and serial cables and start sending commands. Power supply and serial cable are available during checkout.
Features include no-click startup, LED status lights, and E3C compliance. Relays can be controlled at 9600 baud and the board is compatible with ANY computer or microcontroller capable of delivering RS-232 data.
Even a no-frills design deserves a high-quality driver stage, and that's exactly what we put on this Relay controller. Fast-reacting flyback diodes help shunt dangerous voltages away from the driver circuit.
To control this Relay Controller, simply connect a data and ground wire between the board and computer or microcontroller. Provide +12 Volts DC to the board (available at checkout), and send ASCII character codes to control the relays.
This Relay Controller is fully E3C complaint, allowing up to 256 NCD devices to share a single RS-232 serial port. Mix and match up to 256 devices in any combination. Speak to each device individually or all devices at once.
Connect this board to the USB port of your computer using a USB to Serial adapter. The USB to Serial Adapter is available at checkout.
NCD Component Library
Fully functioning programs for R25, R210, R220 and R230 are included with the NCD Component Library. 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. The NCD Component Library is a plug-in for the Visual Studio 2005/2008 that greatly simplifies the communications to the NCD product line. The samples can be run in Visual Studio and fully customizable to your needs. Two different dual channel samples are available to turn on and off the relays, read the status of the relays and retrieve startup default state of relays. To view screen shots of each sample visit our NCD Component Library Page. Start by downloading the FREE NCD Component Library and you will be communicating with any NCD device faster that ever!
 The above sample demonstrates control and status read of 2 Relays. Compatible with all R2x RS-232 Series Relay Controllers. |
| The above screen shot shows one of two fully functioning dual channel samples that are available with the NCD Component Library. View all the examples on our NCD Component Library Page. |
Resources
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NEW TO RS232 COMMUNICATIONS? GET STARTED HERE Click the above link for an exclusive article on RS232 Communications |
| RS232 Relay Article | RS232 Relay Article |
| NCD Base Station Software |
 Base Station identifies the controller that is attached to your computer and provides a convenient graphical user interface for controlling and testing your NCD Device. |
| Download Manual | Download the 2 Channel RS232 Product Manual |
| E3C Complient | Download E3C Complient Specs |
| Download VB Samples | Download VisualBasic 6 Example Source Code |
| NCD Component Library | The NCD Component Library is a Plug-In for Visual Studio 2005/2008 that greatly reduces software development time, effectively reducing most control operations to a single line of code. This free download includes four example applications compatible with the Pro Series. |
| Wiring Diagrams | These wiring diagrams will help you understand how to connect to your devices and use relays as a form of control logic |
| Mechanical Drawing | Mechanical Drawing for this board |
RS-232 2-Channel 5-Amp SPDT Relay Controller with RS-232 Interface | |
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Code: R25RS Price: $69.00 Shipping Weight: 0.50 pounds | |
| RS-232 2-Channel 5-Amp SPDT Relay Controller with RS-232 Interface | |
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