Method and system for safety monitored terminal block

US8285402B2 · kind B2 · utility

Assignee

• GE INTELLIGENT PLATFORMS INC. · US

Inventors

• William Henry Lueckenbach · Crestwood, US
• Edwin Thurnau · McGaheysville, US
• Marcel Van Helten · Wasserliesch, DE

Key dates

• Filing date: Jul 14, 2008
• Grant date: Oct 9, 2012
• Expiry date: Feb 7, 2029

Classification

• Technology area (CPC G): Physics
• CPC primary: G05B19/0425
• WIPO field: Control
• WIPO sector: Instruments

Abstract

A method, apparatus, and system for controlling a process are provided. The control device apparatus includes an input section configured to receive input signals from a controlled process, a first output section communicatively coupled to the input section wherein the first output section is configured to transmit the received input signals to a controller, and a second output section communicatively coupled to the controller, the second output section is configured to transmit control signals from the controller to the controlled process. The apparatus further includes a safety logic block communicatively coupled to the input section in parallel with the received input signals that are transmitted to the controller, the safety logic block is configured to generate a safety output signal using the received input signals, the safety logic block is further configured to transmit the safety output signal to the controlled process independent of the control signals.