During your project with automatic equipment give consideration to safety signs required near,on,inside,around your automatic equipment.

Panels and Test Station which have High Voltage inside should have High Voltage safety stickers.

If your equipment will start moving parts(any moving parts) add a sign and enclosed area with some barrier or gate.

If your equipment starts Automatically make visual the Automatic Start sign.

TestStation with monitors:

If your teststation computer has a monitor disable the screen saver and have the application  make clear that the Station is RUNNING.

or/and select a screen saver that indicates the current condition of the station and contact information.

Also consider bilingual signs.

some examples:

High Voltage sign  —     http://www.compliancesigns.com/ODB-3705.shtml

Automatic Start  sign — http://www.compliancesigns.com/ODB-1345.shtml

Moving Parts sign —      http://www.compliancesigns.com/ABB-6125.shtml

Looking for safety signs consider : http://www.compliancesigns.com  and other safety sign companies