This Technical Note explains about the different Codepads and Touchscreens that can be used with these panels.
It also includes the POWER Requirements for each device. SDI-2 BUS MAXIMUM current draw = 900mA
Codepad current draw
IUI-SOL-TEXT = 105mA @12Vdc
IUI-SOL-ICON = 105mA @12Vdc
TS-7 400mA Nominal / 800mA PEAK @12Vdc
TS-5 400mA Nominal / 800mA PEAK @12Vdc