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RS-232 1-Channel High-Power Relay Controller with Serial Interface LOW COST

Product Code: NCD R120HPRS

RS-232 1-Channel High-Power Relay Controller with Serial Interface LOW COST
RS-232 1-Channel High-Power Relay Controller with Serial Interface LOW COST
RS-232 1-Channel High-Power Relay Controller with Serial Interface LOW COST
Brand: NCD

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Single Relay with Quick Connect Terminal Blocks

Control One Relay with Two-Way Communication
On-Board Easy RS232 Connection
Highly Reliable Relay Board For Demanding Applications

RS-232 Serial Relay Controller

This simple RS-232 Relay board was designed to offer basic relay control functions using the RS-232 port of your computer.  Supports Relay On and Off commands and reading the status of relay.  Provide +12 Volts DC to the board, and send ASCII character codes to control the relay.  Even a no-frills design deserves a high-quality driver stage, and that’s exactly what we put on our Serial Relay Controllers.  Fast-reacting flyback diodes help shunt dangerous voltages away from the driver circuit.

Features include no-click startup and LED status lights.  Relay can be controlled at 9600 baud and the board is compatible with ANY computer or microcontroller capable of delivering RS-232 data.

Connect this board to the USB port of your computer using a USB to Serial adapter.  The USB to Serial Adapter is to be used with the Quick Start Kit and 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.

20-Amp SPDT Relay Option

This controller is available with a 20-Amp relay option, allowing control of high-power loads up to an absolute maximum of 240VAC at 20 Amps. Ideal for high-power switching applications, this relay should never be used for low-power signals. The 20-Amp relay is of the SPDT variety, which provides Common (C), Normally Open (NO), and Normally Closed (NC) connections. Common is connected to NC when the relay is off. Common disconnects from NC and connects to NO when the relay is activated. This relay uses .250″ Quick Connect terminals (optional accessory) to connect to the top side of the relay. The relay is molded with COM, NC, and NO markings into the plastic.

30-Amp SPST Relay Option

This controller is available with a 30-Amp relay option, allowing control of high-power loads up to an absolute maximum of 240VAC at 30 Amps.  Ideal for high-power switching applications, this relay should never be used for low-power signals.  The 30-Amp relay is of the SPST variety, which provides Common (C) and Normally Open (NO) connections.  Common has no connection when the relay is off.  Common connects to NO when the relay is activated.  This relay uses .250″ Quick Connect terminals (optional accessory) to connect to the top side of the relay.  The relay is molded with COM, NO markings into the plastic.

Features

  • 9600 Baud Operation
  • Relay Status LEDs
  • Quick Connect Terminal Blocks
  • TTL RS-232 Inputs
  • +12 Volt Operation, 2-Wire RS-232
  • Overkill Transistor Drivers
  • No-Click Power-up
  • 2-Way Communication Capable
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