NEW ! The 20-03 Output Expansion Module

NEW ! The 20-03 Output Expansion Module
23 August 2023

The 20-03-0000 is an I/O expander module which provides four relay outputs, and eight open drain I/O pins which also serve as inputs. I/O expander for the Salcom 20-62 transmitter or Salcom 20-90 transceiver.

  • I/O expander for the Salcom 20-62 transmitter or Salcom 20-90 transceiver
  • Bidirectional point-to-point control over serial or radio link
  • Expandable further by daisy chaining Salcom 20-03 units
  • Four relay outputs with normally open and normally closed contacts
  • Eight bidirectional inputs generate user defined serial messages for rising and/or falling edges
  • Input pins can be configured as additional open drain outputs
  • Compatible with Salcom message protocol
  • Flexible output activation options
  • Control over Ethernet using third party serial to Ethernet adapters
  • Provides Input and Output capabilities for PC’s, PLC’s, and micro controller projects
  • Can generate regular watchdog messages to check serial and radio link integrity