The 2840A33G04 is a Westinghouse WDPF 2QSP12 analog output card used in Westinghouse Distributed Processing Family DCS installations. This card provides analog output channels for driving control valves, actuator positioners, and other analog-controlled field devices from WDPF processing units, supporting closed-loop process regulation across boiler, turbine, and auxiliary plant systems. The WDPF architecture connects processing units via plant data highways in both WEStation-based and Multibus-based configurations to deliver distributed control at power generation facilities. Powergenics stocks and repairs Westinghouse WDPF analog output cards including the 2840A33G04, providing tested replacements for facilities maintaining legacy WDPF DCS installations. Call 800-861-9773 for pricing and availability.
Westinghouse
2840A33G04
2QSP12
2840A33G04
Technical Specification
The Westinghouse WDPF control system consists of individual processing units which communicate over networks or “highways”. Two basic types of communications are available:
• WEStation which is based on a RISC workstation with added Westinghouse hardware supporting highway communication.
• Multibus-based communications based on Westinghouse boards including the functional processor and highway communication hardware.
Printed Circuit Board
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