Description

The Woodward 9907-164 is part of the microprocessor-based 505 and 505E governor control unit,specifically designed to operate steam turbines,turbogenerators,and turboexpander modules.The following is a detailed introduction to the Woodward 9907-164:

I.Product Overview

The Woodward 9907-164 is a digital microprocessor controller module that uses advanced digital microprocessor technology to achieve precise control of parameters such as fan speed and load.The module not only has a wealth of control functions,such as speed control,load control,compressor and turbine start and stop control,but also provides data acquisition and monitoring functions,which can collect and monitor data related to turbine performance,such as speed,temperature,pressure,etc.,to ensure that the turbine operates within a safe and effective operating range.

II.Main Features

High-precision control:

Adopting advanced digital microprocessor technology to achieve precise control of parameters such as fan speed and load.

Rich control functions:

Including speed control,load control,compressor and turbine start and stop control,etc.,to meet the control requirements under various complex working conditions.

Woodward 9907-164

Data acquisition and monitoring:

Capable of acquiring and monitoring data related to turbine performance,such as speed,temperature,pressure,etc.,providing real-time system status information.

Various communication interfaces:

Supports a variety of communication interfaces,such as serial communication(RS-232,RS-485),Ethernet or fieldbus protocols(Profibus,Modbus),to facilitate data exchange and remote monitoring with other devices.

Self-diagnosis and fault detection:

With self-diagnosis function,it can detect turbine faults and issue alarms,improving system reliability and safety.

High flexibility:

The field operator can configure and change the device on site through the menu-driven software integrated on the operator control panel on the front of the device,providing high flexibility.

III.Technical specifications

Here are some of the main technical specifications of the Woodward 9907-164:

Input interface:Includes 16 contact inputs(4 dedicated inputs and 12 programmable inputs)and 6 programmable current inputs from 4 to 20mA.

Display and control:The operator control panel on the front of the device can display two lines of text with 24 characters per line for controlling and changing the menu-driven software.

Standard features:including critical speed avoidance,valve limiters,automatic start sequence and shutdown indicators to ensure that emergency shutdown is ready when starting engines,turbines or other types of prime movers to prevent personal injury caused by loss of control or overspeed.

Operating temperature:-4 to+140 degrees Fahrenheit(approximately-20 to+60 degrees Celsius).

Storage temperature:-40 to+185 degrees Fahrenheit(approximately-40 to+85 degrees Celsius).

Woodward 9907-164

IV.Human Machine Interface(HMI)Software Package

Woodward 9907-164 also provides two human machine interface(HMI)software packages:OpView™and 505View.Both software packages are self-configuring and do not require field engineering because they automatically configure the screen to match the programming application of the control.Their main functions include:

Real-time trend and historical trend functions:Provide real-time and historical trend displays of system parameters to facilitate operator monitoring and analysis of system status.

Event status logging:Record the status and log of system events to help operators track system historical status and troubleshoot.

Multiple user-level security:Provide multiple user-level access rights to ensure system security.

Remote access function(only available in 505View):Allow remote users to access and monitor the system.

V.Application areas

Woodward 9907-164 is widely used in various industrial control systems,especially in control systems involving steam turbines,turbo generators and turbo expanders.Its high-precision control,rich control functions,data acquisition and monitoring capabilities,and diverse communication interfaces make it an ideal choice in these fields.

The company mainly imports PLC modules,programmable controllers,servo control systems and DCS spare parts,such as:ABB,AB(Rockwell),GE(General Electric),Bentley,Honeywell Er),Emerson.),Motorola,Invensys,Westinghouse,etc.The company has established close cooperative relations with many world-renowned PLC and DCS product maintenance service providers.We can purchase goods directly from abroad and provide equipment and spare parts from different countries and manufacturers.

We supply goods directly from abroad,without intermediaries,reducing the cost of use.

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