RS-485 Networking Made Easy

ALMAX intelligent keypad technology dramatically simplifies RS485 networking of remote keypads. With the intelligent keypad technology a single 4-wire interconnect can support:

  • Up to 64 keys and 64 on-board LED indicators
  • Multiple remote keypads on a single 4-wire bus
  • Power and communication up to 100 meters (328’)
  • Standard hardware-to-bus interface configurations
  • Customized hardware-to-bus interface configurations


Networking Under Harsh Conditions

ALMAX intelligent keypad technology makes it cost effective and easy to deploy RS485 networking even in harsh, marine, medical or other challenging environments.

Available Keypad Technologies

A full range of interface solutions can be integrated into the intelligent keypad technology including:

  • Capacitive Switches
  • SensTouch Switches
  • Membrane Switches
  • DuraSwitch
  • Rubber Keypads
  • Touchscreens
  • Sealed Switches
  • Back-lighting
  • Anti-Microbial Coatings

RS485 Intelligent Networking Applications

  • Heavy industrial
  • Light industrial
  • HVAC
Contact our Engineering Team for RS486 Information

Key Contacts



Easy Ordering

Your purchase order is always welcome.

For your convenience we take additional methods of payment.  Our sales team can answer questions about our order process and forms of payment.