Is there a controller output that can be used to operate a relay for emergency shutdown in case of a runaway situation?

TAP II Pro and the original TAP Controller offers three element outputs and a safety output. The TAP II Controller and TAP Micro have a single element output and a safety output. The safety output can be used as an upstream switch to prevent runaway in the event of the output relay failure.  
 
Additionally, TAP Monitor DIY Configurable Components can be installed as a redundant relay controller – for an additional layer of protection against relay failure.