Type 8681 control head

The Type 8681 control head expands the company’s hygienic processing line for the food and beverage and pharmaceutical industries. Developed for use as the centralized control element in decentralized automation systems, it performs all pneumatic actuation, feedback, and diagnostic functions, as well as bus communication, for pneumatically controlled valves. Depending on the type of process valve, it is able to control up to three pneumatic actuator chambers separately. Manual configuration is not necessary — once installed on the valve actuator, the switching positions are automatically determined. The three integrated switching positions are measured by the control head via an inductive analog position sensor and transmitted to a programmable logic controller; a fourth switching position, if required, can also be provided via an externally mounted inductive proximity switch.