How to select an option card for the PAX series panel meter

06 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

 

 

ADDITIONAL INFO 

Link to PAX Analog input product manual 

PAX Analog Product Manual 

Link to PAX digital input product manual 

PAX Digital Product Manual 

Link to PAXCDC serial option product manuals

PAXCDC SER Product Manual 

Link to PAXCDC Modbus Product Manual 

PAXCDC MB Product Manual 

Link to PAXCDL10 analog output option product manual 

PAXCDL10 Product Manual 

Link to PAXCDSxx  setpoint relay product manual

PAXCDS Product Manual