PAXC/I/R V3.0+ FW Changes

06 Jun 2025

Digital Analog Tech Note 23 - TNDA23

Abstract:

This document will describe the changes made to the digital input PAX meters when the firmware was upgraded to version 3.0 in July 2012.

Products:

PAXC, PAXI, PAXR

Part Numbers

Screen_Shot_2019-01-17_at_4.22.00_PM.png

Physical Features

Units manufactured after July 2014 (2614) have a case knock out feature to support the PAXCDS60 Quad Form C Relay Output card.

Specification Changes

User Inputs

Screen_Shot_2019-01-17_at_4.22.19_PM.png

Programming Changes

  • Version 3 units support Modbus (RTU and ASCII) as well as the RLC Instrument protocol.
    • Modbus RTU is now the default setting.
  • Counter A’s Scale Factor no longer defaults to Read in the 3-LOC menu.
  • d-LEV is now lockable in the 3-LOC menu.

Disclaimer

It is the customer's responsibility to review the advice provided herein and its applicability to the system. Red Lion makes no representation about specific knowledge of the customer's system or the specific performance of the system. Red Lion is not responsible for any damage to equipment or connected systems. The use of this document is at your own risk. Red Lion standard product warranty applies.

Red Lion Technical Support

If you have any questions or trouble contact Red Lion Technical Support by clicking here or calling 1-877-432-9908.

For more information: http://www.redlion.net/support/policies-statements/warranty-statement