The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
From ITO SOFT DESIGN:
'irPanel Lite' is a Lite edition of 'irPanel'.'irPanel' makes your iPhone/iPod touch a simple display with touch panels for PLC (Programmable Logic Controller *1) .*1 PLC - A digital computer used for control of machinery on factory assembly lines, etc.===Sorry, forgetting to include the backgound image of the panel to ver 1.4.5.Please update to fixed version 1.4.6 or later.==== The difference from 'irPanel Pro''irPanel Lite' can't connect to PLCs when you use it for the first time.We have Add-on items for each PLC provider.If you bought an item, it can connect to your selected provider's PLCs.More details to see http://iphone.itosoft.com/irpanel/diff_pro_lite===========================================It was designed for operation of PLC at the place far from main panel.It is also seem to use for education of PLC.============================================ ManipulationYou can switch on/off bit devices with buttons and change values of word devices with slider controls.= MonitorWith irPanel you can monitor conditions, warnings and alerms of machineries.= Editing Of Manipulation Panales And MonitorsYou can add or change manipulation panels and monitors in irPanel, without any special editor application.Because we have some patterns for manipulation panels which contain 1-10 buttons and 0-2 slider controls, you just need to choose what you like, then set a title and devices for it.To create a monitor view, just register both start point and end point of the target range of devices.= ConnectionirPanel connects PLC via wireless LAN so that you can take irPanel with you.If your PLC supports Ethernet, you only need to have wireless LAN.Otherwise ioTouch2 can connect them through a Serial-Ethenet converter. "PLC Share" is no longer necessary. * irPanel supports most of KEYENCE, MITSUBISHI, YOKOGAWA and OMRON PLCs. More details to see http://iphone.itosoft.com/irpanel/spec .=====================================--- C A U T I O N ---irPanel can switch on/off devices. If you need to interlock devices controlled by PLC, you need to configure that on PLC. If there are some devices of which you are not sure about safety, please set the permission of them readonly and don't use that function.=====================================