List of PAX Series Option Cards and Compatible Models

09 Jun 2025

 

Please note:

PAX Lite series panel meters, example part number PAXLxxxx, do not accept option cards.  Some models do have dual form C setpoint relays standard. 

 

 

List of the available option cards and the PAX model numbers that will support them.  

 

APPLICABLE PRODUCTS 

  • PAXCDC10- RS485 with terminal block option card.
  • PAXCDC1C- RS485 with dual RJ11 option card.
  • PAXCDC20- RS232 with terminal block option card.
  • PAXCDC2C- RS232 with DB9 option card
  • PAXCDC40- Modbus communication with terminal block option card
  • PAXCDC4C- Modbus communication with dual RJ11 option card
  • PAXCDL10- Analog output option card
  • PAXCDS10 - Dual Form C setpoint relay card.
  • PAXCDS20- Quad Form A setpoint relay card.
  • PAXCDS30- Quad setpoint NPN option card.
  • PAXCDS40 - Quad setpoint PNP option card.
  • PAXUSB00- USB interface card for programming via Crimson 2.1 software.
  • PAXCDS50 - Dual triac, dual SSR driver setpoint card.
  • PAXCDS60 - Quad Form C setpoint relay card, used with units manufactured after July 2014. 

PRE-REQUISITES 

The above option cards can be used with the following unit models, with the noted exceptions. 

  • PAXCxxxx - Only setpoint option cards supported.
  • PAXDxxxx
  • PAXDPxxx- For Modbus communications, use PAXCDC10 and set comms type to Modbus.
  • PAXHxxxx
  • PAXPxxxx
  • PAXIxxxx- For Modbus communications, use PAXCDC10 and set comms type to Modbus.
  • PAXRxxxx- Only setpoint option cards supported
  • PAXSxxxx
  • PAXTxxxx

 

IN THIS ARTICLE

  • List of available PAX series option cards
  • List of PAX series model exceptions
  • PAX option card product manuals

 

 

ADDITIONAL INFO 

PAX Analog Product Manual 

PAX Digital Product Manual 

PAXCDC SER Product Manual 

PAXCDC MB Product Manual 

PAXCDL Product Manual 

 PAXCDS Product Manual 

 

© HMS Networks AB 2025