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Chowmain - Control hundreds of projectors with our PJLink driver


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Chowmain - PJLink Universal Projector driver 

PJLink is a new unified standard designed to make communication interfaces and communication protocols that have been different from one projector manufacturer to another uniform and common. Several Japanese manufacturers have adopted the PJLink standard for their projectors. With this PJLink driver for Control4 you can control multiple projectors via IP with 2 way feedback. Supported manufacturers include (but not limited to) NEC, Casio, Canon, Sharp, Sky, Seiko Epson, Sony, Panasonic, Hitachi and Ricoh. 


  • IP Control 
  • Control 
    • Power On / Off 
    • Input Switching 
    • Volume Up / Down 
    • Mic Volume Up / Down 
    • Freeze / Unfreeze 
    • Video Mute / Audio Mute 
  • Feedback. 
    • Projector Name 
    • Maker Name 
    • Model Name 
    • Other Info 
    • Serial Number 
    • Software Version 
    • Lamp Replacement Model Number 
    • Filter Replacement Model Number 
    • Filter Usage Time 
    • Lamp Hours 
    • Current Power Status 
    • Current Input 
    • Input Resolution
    • Recommended Resolution
    • Error Status – Fan 
    • Error Status – Lamp 
    • Error Status – Temp 
    • Error Status – Cover Open 
    • Error Status – Filter 
    • Error Status - Others 


What manufacturers use the PJLink standard? 
The following manufacturers utilise the PJLink standard 

  • NEC Display Solutions, Ltd 
  • Canon Inc. 
  • Sky CO., LTD 
  • Sony Corporation 
  • Panasonic Corporation 
  • Hitachi Maxell, Ltd. 

What projectors will this work on? 
The PJLink website has a list of projectors that make/models. Please see link below. 


Note that this is not a definitive list. 

What is Class 1 and Class 2? 
Projectors support different versions of the protocol. Our driver supports both Class 1 and Class 2. Class 2 is an expansion of the Class 1 PJLink protocol which provides the following additional functionality. 

  • Serial Number 
  • Software Version 
  • Internal Resolution 
  • Recommended Resolution 
  • Volume Up 
  • Volume Down 
  • Mic Volume Up 
  • Mic Volume Down 
  • Freeze On 
  • Freeze Off 
  • Replacement Lamp Model 
  • Replacement Filter Model 
  • Filter Usage Time 

Can you give us some examples of how we could use this driver? 

  • IP Control means that you can eliminate IR buds from your projector and also make ultra long cable runs unlike RS232. 
  • Get two way feedback on important information such as lamp hours, filter usage time and various projector errors. Combine with the Chowmain Notification Suite and notify yourself when your clients projector has a fault or requires a replacement filter / lamp. Proactively support your customers! 

How do I find out more information about the driver? 
Please see the links below for more information about the driver. 

Chowmain Website

Installation Guide

How do I buy the driver? 
This driver is developed by Chowmain software & apps and is distributed and supported by Houselogix, Inc. 

Download Driver / Purchase Licence

Who do i contact for technical support? 
This driver is developed by Chowmain software & apps and is distributed and supported by Houselogix, Inc. 


Do you provide trial licences? 
All Chowmain drivers for Control4 come with a 48 hour trial. This is activated once you add the driver to the project. No additional steps are necessary. 



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