Oh - this one could go in some funny directions I would suggest.
Many years ago I used a PLC voice card (back in the old Omron C200H days) with a speaker mounted in the front of the board. Programmed some good ones into that for so called 'operators'. They complained that the PLC was offensive as it told them (trained operators?) when they did something stupid. The union came in and had it pulled out!
I quite often use Citect to play wav files to notify operators.
My favourite is the robot on Lost in Space saying "Danger, Will Robinson, Danger" when there is something I need to get their attention for.
I quite often use Citect to play wav files to notify operators.
My favourite is the robot on Lost in Space saying "Danger, Will Robinson, Danger" when there is something I need to get their attention for.