Description
The Woodward 723 Digital Control 8280-501 is a microprocessor-based digital engine and generator controller designed for speed governing, load sharing, and prime mover control applications. It belongs to the Woodward 723 Digital Control series and is widely used in diesel engines, gas engines, generator sets, and marine power systems. The 8280-501 is a low-voltage version with an 18–40 VDC power supply range and provides a 0–200 mA actuator output for compatible actuator systems.
The controller integrates speed regulation, load sharing, soft loading/unloading, breaker control functions, and communication capabilities. It supports expansion with Woodward accessories such as DSLC digital synchronizer and load control systems, making it suitable for industrial and marine generator automation applications.
8280-501
📋 Product Datasheet
| Parameter | Value |
|---|---|
| Brand | Woodward |
| Model | 8280-501 |
| Series | 723 Digital Control |
| Product Name | Digital Generator Control Unit |
| Controller Type | Microprocessor-Based Engine Controller |
| Application | Generator Speed & Load Control |
| Power Supply | 18–40 VDC |
| Actuator Output | 0–200 mA |
| Communication Interface | RS-232 / RS-422 / RS-485 |
| Load Sharing Function | Integrated Load Sharing Support |
| Operating Temperature | -40 to +70 °C |
| Storage Temperature | -55 to +105 °C |
| Dimensions | Approx. 16.25 × 11.5 × 2.375 in |
| Weight | Less than 7 lb |
| Country of Origin | USA |
| Condition / Status | Used / Verify Physical Unit |
⚙️ Product Features
🔹 Digital Generator Control – Provides electronic speed governing and generator control functions for reciprocating engines.
🔹 Low Voltage Configuration – The 8280-501 operates from an 18–40 VDC supply and is designed for low-voltage generator applications.
🔹 Load Sharing Capability – Supports generator load sharing and soft loading/unloading functions when integrated with compatible Woodward systems.
🔹 Actuator Control Output – Provides a 0–200 mA actuator output for engine fuel-control applications.
🔹 Communication Support – Includes serial communication interfaces for programming, monitoring, and system integration.
🔹 Marine & Industrial Application – Suitable for generator sets, marine engines, and industrial power generation equipment.
🔹 Expandable System Design – Compatible with Woodward accessories including synchronizers, load controllers, and monitoring modules.
❓ Common Questions & Answers
Q1: What is the Woodward 8280-501?
A: It is a Woodward 723 Digital Control unit used for engine speed control, generator load control, and prime mover management.
Q2: What voltage does the 8280-501 require?
A: The controller uses an 18–40 VDC power supply range.
Q3: Is 8280-501 a PLC?
A: No. It is a dedicated engine and generator control unit designed for speed governing and power management applications.
Q4: What is the actuator output specification?
A: The 8280-501 provides a 0–200 mA actuator output for compatible Woodward actuator systems.
Q5: Can it perform generator load sharing?
A: Yes. The 723 Digital Control family supports integrated load sharing functions and can work with compatible Woodward synchronizing and load-control equipment.
Q6: What communication interfaces are available?
A: The controller supports serial communication options including RS-232, RS-422, and RS-485 depending on configuration.
Q7: What should be checked before replacement?
A: Verify the complete part number, firmware configuration, actuator type, wiring connections, generator application settings, and communication parameters before installation.
⭐ Recommended Woodward Models
- 8280-500 – 723 Digital Control High Voltage Version
- 8280-502 – 723 Digital Control with 4–20 mA Actuator Output
- 8280-503 – 723 Digital Control Low Voltage with 4–20 mA Output
- 8280-5010 – 723PLUS Digital Control
- 8280-488 – 723PLUS Digital Control Unit
- 8280-604 – 723PLUS Digital Controller
- 8280-608 – 723PLUS Digital Control Low Voltage
- 9907-247 – 828 Digital Control Unit
- 9907-248 – 828 Digital Control High Voltage Version
- 2301A – Electronic Load Sharing Control
