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5463-405 - High-Density Discrete Input Module is available in stock which ships the same day.
5463-405 - High-Density Discrete Input Module comes in UNUSED as well as REBUILT condition.
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TECHNICAL SPECIFICATIONS:
Part Number: 5463-405
Manufacturer: Woodward
Series: NetCon / MicroNet Series
Product Type: High-Density Discrete Input Module
Channel Density: Multi-Channel Optically Isolated Discrete Inputs
Input Voltage Threshold: 24 VDC / 125 VDC Nominal Field Sense Voltage
Input Current Draw: 5 mA to 10 mA per Channel (Standard Wetting Current)
Optical Isolation: 500 VDC Channel-to-Logic Isolation
Debounce Filtering: Hardware & Software Configurable Input Filtering (< 1 ms to 10 ms)
Backplane Interface: VMEbus Architecture Interface
Power Supply Input: +5 VDC (Supplied via VME Backplane)
Power Consumption: 4.5 W (Typical) / 6.8 W (Maximum)
Form Factor Frame Type: Single-Slot Chassis Plug-in Card
Mounting Type: Standard VME / Chassis Backplane Slot Mount
Front Panel Interface: Channel Active Status LEDs & Board Health Indicators
Diagnostic Supervision: Field Supply Voltage Auditing & Line Integrity Supervision
Operating Temperature Limits: -40°C to +70°C (-40°F to +158°F)
Storage Temperature Range: -40°C to +85°C (-40°F to +185°F)
Relative Humidity Threshold: 5% to 95% (Non-condensing)
Conformal Coating: Polyurethane / Acrylic Industrial Grade PCB Protection
Vibration & Shock Standard: MIL-STD-810 & IEC 60068-2-6 Compliant
Repair Time: 3–7 Days
Availability: In Stock
Weight: Approximately 1.18 kg (2.60 lbs)
Country of Origin: United States
The 5463-405 is a High-Density Discrete Input Module designed and manufactured by Woodward for use in NetCon and MicroNet digital control systems. Functioning as a high-speed contact status ingestion engine, it monitors binary field signals from dry contacts, pressure switches, limit sensors, breaker auxiliary contacts, and emergency shutdown pushbuttons. By capturing, filtering, and digitizing contact state changes before transmission across the system backplane, the 5463-405 delivers fast event sequencing and fault interlock feedback required for critical turbine and prime mover protection.
SIGNAL OPTICAL ISOLATION & CONTACT DEBOUNCE FILTERING
Equipped with high-density optically isolated channels, the Discrete Input Module decouples field contact wiring from sensitive core microprocessor circuits. Onboard hardware noise filters eliminate false contact transitions caused by mechanical switch chatter, electromagnetic interference (EMI), and ground potential variations in high-voltage switchgear yards. High-density channel layout allows a single slot to supervise multiple sequence-of-events (SOE) inputs while maintaining galvanic isolation up to 500 VDC.
FIELD SUPPLY AUDITING & INTERLOCK STATE VALIDATION
Discrete Input Module incorporates active field loop supervision that continuously verifies the presence of external contact wetting voltages. Front-panel status LEDs provide instant visual confirmation of individual channel contact states during commissioning and routine plant checks. If a field power supply fails, a loop opens, or signal integrity drops below valid threshold levels, the card instantly alerts the CPU, enabling governor algorithms to log the sequence fault and maintain deterministic safety trip logic.
WHY BUY FROM WOC
World of Controls specializes in the supply, repair, and lifecycle support of critical Woodward governor and turbine control hardware worldwide. Every Woodward Discrete Input Module undergoes rigorous bench testing, including multi-channel optical isolation verification, contact debounce simulation, threshold voltage testing, and extended thermal burn-in on Woodward test chassis. We maintain ready-to-ship stock of UNUSED surplus and professionally REBUILT modules to help plants resolve control hardware issues rapidly. Supported by full warranty protection, express global shipping, and extensive technical expertise in NetCon and MicroNet architectures, WOC provides reliable parts and repair services worldwide.
What is Woodward 5463-405?
The Woodward 5463-405 is a High-Density Discrete Input Module used in NetCon and MicroNet control systems. It acts as an optical interface card that monitors binary field states—such as switch contact closures, trip signals, and breaker auxiliary contacts and transmits them to the main CPU for control logic and safety interlocking.
What types of field contact signals connect to the Discrete Input Module?
The module interfaces with dry contacts, proximity switches, pressure and temperature switches, breaker status contacts, and emergency trip pushbuttons.
How does the Discrete Input Module prevent false tripping caused by contact chatter or noise?
It utilizes onboard optocouplers combined with hardware RC debounce filtering to damp mechanical switch bounce and electrical line noise, ensuring only valid contact transitions trigger state updates.
Where can I buy or repair a Woodward 5463-405 Discrete Input Module?
The Discrete Input Module can be purchased directly from World of Controls in UNUSED and REBUILT conditions, complete with bench testing, warranty coverage, and fast 3–7-day repair or exchange services.
