Wireless Contact Closure Relay

Wireless Contact Closure Relay at a Glance...

  • Sold in Pairs
      - 4 Relays on Each Board
      - 4 Contact Closure Inputs on Each Board
  • Each Device Controls the Other Device
      - Local Inputs Control Remote Relays
      - Remote Inputs Control Local Relays
  • Wireless Operation up to 2 Miles (3.2 kilometers)
     - Line of Sight Operation
  • No Computer, No Programming, No Set-Up
      - Works Together Right Out of the Box!

Selecting the Proper Amperage

For more information on selecting a board with the correct relay amperage for your application see Choosing a Proper Amperage.

Wireless Contact Closure Relay

MirX controllers allow contact closure inputs to control relays in a remote location using a two board design.  Both boards are equipped with four contact closure inputs and four relay installed.  Each contact closure controls a relay on the opposite board so both relays are independently controlled.  Both boards are included when you purchase a MirX.

XBee-PRO 900 RF Module

Wireless Contact Closure RelayThe sender board and receiver board is equipped with a Wireless 900HP module that adds a wireless interface to the boards.  The 900 MHz communications module adds wireless communications between the boards.  This module has a 2-mile (3.2 kilometers) wireless range, line-of-sight.

Selecting a Wireless Contact Closure Relay

What amperage relay do you need?  MirX boards boards below have four relays installed andfour contact closure inputs on each board.  You now have your choice of 5, 10, 20 or 30 amp relay installed.  A simple dry contact closure will connect to the input of either board and control a corresponding relay on the opposite board.  These are sold as a pair and they are paired using the serial numbers of the wireless modules on-board so multiple MirX boards will not interfere with each other.  For more information on selecting the correct relay for your application see Choosing a Proper Amperage.