PXL-500 Documentation

*Note Keri Systems has breathed new life into legacy PXL-500 systems; renowned for their reliability and functionality. With new upgrade ability under the Doors.NET Client/Server software, traditional PXL-500 based systems customers will enjoy an expanded feature set and extended life. Ultimately, Keri will embark on enhancements to the popular hardware package that will extend the PXL-500 family far into the future. PXL-500 is here for the long term!


The PXL-500 Tiger Controller has all of the functionality needed to manage a single door, alarm output, and 2 reader ports. A second door can be added when used with SB-593 Satellite Expansion Board.PXL-500 Tiger Controller II

The SB-593 Satellite Expansion Board economically provides second door control plus extra general purpose inputs and outputs.



  • Locking Metal Enclosure that can also house KPS-4 Power Supply and battery
  • Added RAM for increased cardholder capacity (up to 65K per controller)
  • On-board LAN socket for LAN-500 Adapter

Installer Features

  • Double row header pins to ensure SB-593 is properly seated on PXL
  • Additional LED indicator to confirm SB is properly seated
  • RS-232 connector changed from DB-9 to quick disconnect terminal block
  • RS-485 continuity indicator LED
  • RS-485 connector different size so as not to interconnect with power input

Other Great Installation Features

  • On-board diagnostic tests built into the controller firmware
  • Diagnostic LEDs on the controller board to assist with troubleshooting communication and controller power issues
  • Automatically senses communication method (direct connect to PC or via modem)
  • Auto-Configures RS-485 grounding for optimum performance - NO JUMPER SETTINGS
  • Quick disconnect terminals
  • Software auto-configures system components, no data entry required
  • Push-button setting and visual LED display of address selection - NO DIP SWITCHES


PXL-500 Documentation

Keri's Knowledge Base
Keri's YouTube Channel