TheWoodward8440-2028 Digital I/O Expansion Boardexpands control capability for demanding industrial automation environments. This module increases discrete input and output capacity for advanced turbine and engine control systems. Engineers deploy it when additional field signals must be integrated without redesigning the main controller architecture. Moreover, the board supports stable signal processing in vibration-prone and temperature-variable installations. It integrates directly with compatible Woodward control platforms, ensuring predictable configuration and commissioning workflows.
The 8440-2028 board is typically installed in generator control panels, turbine control cabinets, and engine management systems. Therefore, it provides a practical solution for system upgrades, retrofits, and capacity expansions.
Technical Specifications
Technical Category
Detailed Specification
Manufacturer
Woodward
Model Number
8440-2028
Product Type
Digital I/O Expansion Board
Functional Role
Expands discrete input and output capacity for controller systems
Integration Method
Direct backplane or controller interface connection
Compatible Systems
Woodward digital turbine and engine control platforms
Digital Input Type
Voltage sensing or dry contact inputs
Nominal Input Voltage
24 VDC industrial standard
Input Voltage Range
18–32 VDC typical tolerance
Input Isolation
Electrically isolated channels or grouped isolation
Input Signal Response
Millisecond-level switching detection
Input Status Indication
LED indicators per channel
Digital Output Type
Solid-state or transistor switching outputs
Nominal Output Voltage
24 VDC control level
Output Current Rating
Industrial-rated per channel
Output Protection
Integrated short-circuit and overload protection
Output Isolation
Electrical isolation from logic circuitry
Switching Performance
Suitable for protection, alarm, and sequencing tasks
Power Supply Source
Provided by host controller or system backplane
Power Consumption
Low-power expansion module architecture
EMC Protection
Designed for industrial electromagnetic environments
Surge/Transient Immunity
Suitable for control cabinet installations
Operating Temperature
Industrial-rated operating range
Storage Temperature
Extended storage tolerance range
Relative Humidity
5–95% non-condensing
Vibration Resistance
Suitable for engine-driven and turbine installations
Mounting Type
Rack or panel-mounted inside enclosed cabinet
Terminal Type
Industrial screw or pluggable terminal blocks
Cooling Method
Natural convection within control enclosure
Serviceability
Field-replaceable expansion module design
FAQ
Q1: What is the primary function of the 8440-2028 board? A1: The board expands digital input and output capacity within compatible Woodward control systems.
Q2: Can this module be used in turbine applications? A2: Yes, it is commonly installed in gas and steam turbine control panels.
Q3: Does the board provide electrical isolation? A3: Yes, electrical isolation protects the controller from field-side disturbances.
Q4: Is it suitable for retrofit projects? A4: Yes, engineers frequently use it when expanding existing control cabinets.
Q5: What environments support installation? A5: The module operates reliably in industrial temperature and vibration conditions.
Installation Notes
Install within Woodward control racks or cabinets
Connect directly to magnetic pickup sensors near turbine or engine shafts
Use proper wiring and shielding to prevent electrical noise interference
Calibration and verification of MPU signals may be required during commissioning
Answer 1: PLC DCS Pro Ltd. collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
Question 2: What Is The Warranty Period?
Answer 2: We offer a standard one-year warranty for all new and original items.
Question 3: What Payment Methods Do We Accept?
Answer 3: We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
Question 4: What Shipping Methods Do We Use?
Answer 4: We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
Question 5: What Is Our Delivery Time?
Answer 5: Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
Question 6: How Do We Package The Goods?
Answer 6: Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
Question 7: How Can Customers Contact Us And Request A Quote?
Answer 7: Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.
Warranty Conditions
At PLC DCS Pro Ltd., we are committed to ensuring the quality of our products. Our one-year warranty provides coverage for any defects in material or workmanship, excluding damages caused by deliberate misuse.
🛡️Coverage Details:
This warranty encompasses all instances of product malfunction or failure due to inherent manufacturing flaws, with the exception of intentional damage.
📝Claim Process:
To avail of warranty services, please notify us of any quality-related issues within the warranty period. We may conduct online troubleshooting and examination as needed.
🚚Shipping Assistance:
We understand the importance of prompt service. Therefore, we cover return shipping costs for warranty-related returns within the first month of supply. Within three months of supply, we cover one-way shipping costs for warranty-related returns. After three months, the customer is responsible for shipping costs both ways.
🚫Exclusions:
Unauthorized modifications, repairs, or misuse of the product.
