5437-843 Woodward Ship Spare Parts
The 5437-843 is a microprocessor-based digital governor controller produced by Woodward, belonging to its classic 505 series.
It is primarily designed for speed control and protection of steam turbines. Below is a detailed introduction to this product:
I. Product Overview
- Brand and Model: Woodward 5437-843
- Series: 505 Series Digital Governor
- Type: Microprocessor-based controller
- Purpose: Specifically designed for steam turbines to control their speed and provide overspeed protection.

II. Core Functions
- Speed Control:
- 5437-843 Precisely controls the speed of steam turbines by adjusting steam inlet flow.
- Supports single-range or split-range actuators to accommodate turbines of different sizes.
- Overspeed Protection:
- Incorporates triple independent overspeed protection logic to ensure rapid shutdown in case of overspeed, preventing equipment damage.
- Provides an overspeed test button for convenient on-site testing of protection functions.
- Emergency Shutdown:
- Equipped with an emergency stop button for immediate shutdown in emergency situations.
- System Protection:
-
- Automatically switches control modes upon sensor failure to ensure uninterrupted system operation.
- Offers local/remote control priority selection to adapt to different operational scenarios.

-
The selection of the development kit basically confirms the selection of the microcontroller. The final consideration is to check the available compilers and tools. Most microcontrollers offer a variety of compiler, sample code, and debugging tool options.
It is essential to have all necessary tools prepared for this component. Without the right tools, the development process may become tedious and costly.
Step 10: Start the experiment
Even if a microcontroller is selected, it does not mean it remains unchanged. Usually, it takes a long time to obtain the first prototype hardware after receiving the development kit. At this point, a test circuit can be constructed and interface with the microcontroller. Select high-risk components and have them work on the development kit.
You may find that previously thought excellent components have some unforeseen issues and have to choose other microcontrollers. In any case, early experimentation will ensure that you make the right choices, and any necessary changes will have minimal impact!
III. Technical Specifications
- Power Supply: 18-32 VDC, supporting 24VDC input.
- Display: Two-line x 24-character LED display for clear indication of operating status and parameters.
- Enclosure: NEMA 4X or IEC 60529 IP56 rated for protection against harsh industrial environments.
- Inputs/Outputs:
- Inputs: 6 programmable current inputs, 16 discrete contact inputs.
- Outputs: 2 actuator outputs, 8 relay outputs, 6 programmable current outputs.
- Communication Interfaces: 5437-843 Supports RS-232, RS-422, and RS-485 hardware interfaces for easy integration with host computers or other devices.
- Software: Equipped with OpView™ and 505View software for parameter configuration, monitoring, and fault diagnosis.
- Operating Temperature: -20 to +60°C (some models support -4 to +140°F).
- Storage Temperature: -40 to +85°C (some models support -40 to +185°F).
- 5437-843 Weight: Approximately 9.11 pounds (4.13 kilograms).
IV. Application Scenarios
- Steam Turbine Control: 5437-843Suitable for steam turbines of various sizes, including industrial steam turbines, small grid turbo-generators, and turboexpanders.
- Single Extraction and Admission Applications: Designed for operating steam turbines in single extraction and/or admission applications.
- On-Site Programming: Allows on-site operators to program and adjust parameters through an integrated operator control panel, adapting to different operating conditions.
V. Product Advantages
- High Reliability:
- Microprocessor-based design ensures precise control and stability.
- Triple independent overspeed protection logic provides multiple layers of safety.
- Flexibility:
- Supports various actuator and sensor configurations to accommodate different turbine models.
- Offers a rich set of input/output interfaces for easy system expansion and integration.
- Ease of Use:
- Two-line x 24-character LED display provides an intuitive operating interface.
- A 30-key multifunctional keyboard simplifies parameter configuration and operation.
- Compatibility:
- Supports multiple communication protocols for easy integration with DCS, PLC, and other systems.
- Provides OpView™ and 505View software for remote monitoring and fault diagnosis.
Woodward ship parts module debugger controller actuator generator set
9907-954 Woodward turbine controller,
5462-749 Woodward overspeed protector,
9907-018 Woodward overspeed protector,
8230-805 Woodward speed control module,
5461-781 Woodward turbine controller,
8904-484 WOODWARD Debugger unit,
1751-6058B Woodward ProTech 203,
9905-002N Woodward speed control module,
SPM-D11 8440-1706B Woodward overspeed protector,
5503-279 Woodward speed control module,
ASML Chuck Parking Lock (CPL) SEM-I-862=9B45
Philips 7122 714 14001 Processor PCB Card MCDM 60 1,6 ASML PAS 50002500
ASML 859-9608-001 RETICLE, SERIES 92, 4X, FOCUS GRATING
ASML PROCESSOR BLADE CONTROL PCB BOARD PAS 50002500 4022.428.1081
NEW ASML 4022.640.59951
28319 ASML PCB ASSY, SINGLE BD COM, MVME 167-32B, 01-W3899B32C 4022.436.8131
02-15783-08 ASM AD898 SERVO DRIVER 02-15783-08 REV F, APD20 AC DUAL ASML
ASML 4022.430.01260 Dipod Control PCB Card 4022.430.0126 PAS 50002500
ASML QIOPTIQ PHOTONICS 4022.651.50093 YS ILLUMINATION LPPS IPG YLM-150-WC-QQ
SVG ASML 859-8140-006-A Motor Drive Assembly
CYMER 170580 TIMING DAQ BREAKOUT ASSY ASML 4022.660.62391 SEM-I-581=9A38
ASML 854-9527-003 RETICLE FIELD DEFINING MSX
wafer chuck ASML SVG Silicon Valley Group wafer grindingcoati
ASML STEPPER PAS2500 FESTO PNEUMATIC BOX III 4022.430.0593 KAY VALVE #6
Parker ASML 4022.631.24391 RH-PU Mk3 SEM-I-557=9A39
Philips PC 172110 Processor PCB Card ASML 9406.217.2110 PAS 50002500
4022-502-25243 LITHOGRAPHY ELLIPTICAL MIRROR PEP 3 ASML
15990 KNIEL POWER SUPPLY, ASML 4022.476.01551
ASML 854-9533-001 RETICLE SCATTERED LIGHT, MSIII
1PCS ASML 4022 192 91202 90days warranty via DHL or FedEx
Asml 4022.436.82805 multiplexer 402243682805





Reviews
There are no reviews yet.