The ProTech TPS is a safety PLC (programmable logic controller) with integrated overspeed protection designed to safely shutdown any plant process equipment upon sensing a safety issue.

It is a stand-alone safety device which accommodates 10 discrete or analog inputs per module, making a total of three, and one speed input per module.

Other than those of the GII, the TPS features include:

• Overspeed protection
• Acceleration and deceleration protection
• User-programmable logic
• Autotest routines
• Alarm logs