3D04115G04-16（Westinghouse/Emerson WDPF PC1200-1043 CPU Module）
3D04115G04-16, also marked as PC1200-1043, is a processor module manufactured by Westinghouse, now Emerson. It serves as the main CPU unit exclusively for legacy WDPF DCS systems. This module undertakes core logic operation, process control and network communication tasks for industrial automation platforms. It is an end-of-life product and mainly supplied as spare parts for system maintenance nowadays.
Description
Detailed Specifications
Manufacturer: Westinghouse (Emerson)Model: 3D04115G04-16 (PC1200-1043)Product Type: CPU / Processor ModuleCompatible System: WDPF I/II DCSPower Supply: 120/220 VAC, 50/60 Hz, 75 VAHousing: Blue front panel with metal chassisMounting: Standard slot installation for WDPF racksWeight: Approximately 1.42 kg
Key Features
This module executes control logic, closed-loop regulation and interlock sequence for field process equipment. It collects data from all connected I/O modules, completes data calculation and sends out control commands, while managing the system process database. It supports data exchange via WDPF local area network with human-machine interfaces, history stations and other controllers. Redundant hot backup function is available to realize automatic switchover in case of single module failure and ensure uninterrupted operation. Built-in self-diagnosis function works during power-on and normal running status. LED indicators clearly display the status of power, operation, fault and network communication. It is designed for long-term 24-hour continuous operation in industrial sites.
Applications
It acts as the main control unit for WDPF DCS applied in thermal power plants, nuclear power plants, petrochemical facilities and large water treatment plants. It performs monitoring and control for critical equipment including boilers, steam turbines and generators. This module is widely used for replacement and maintenance of aging legacy WDPF systems.
Related Part Numbers
3D04115G03-16 (PC1250-1042): Early version with the same power specification.3D04115G08-16: Updated derivative version of PC1200-1043.All above models are interchangeable within WDPF systems.
Notes
This CPU module is specially designed for WDPF DCS and cannot be directly used on modern Ovation DCS without dedicated conversion devices. Since the product has been discontinued, most available units on the market are refurbished or used spare parts. Professional installation and commissioning are required during replacement. Please refer to official Emerson technical manuals for operation and troubleshooting.
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