Description
Product Overview
– Woodward 9905-760 is a **Digital Synchronizer and Load Control Module** – It synchronizes multiple generators before grid connection – The module matches frequency and phase angle precisely – It also regulates generator power output based on real-time load demand – This device keeps voltage and frequency stable in power systems – Use it for **parallel generator operation** or standalone grid backup
Key Technical Data
– **Brand**: Woodward – **Part Number**: 9905-760 – **Product Type**: Digital Synchronizer + Load Control Module – **Measurement functions**: Frequency, phase angle, load demand – **Frequency response**: Line frequency range (50/60 Hz compatible) – **Sensitivity**: Microprocessor-based precise detection – **Linearity**: Automatic correction within synchronization window – **Resolution**: High-resolution phase angle measurement – **Temperature range**: -20°C to +70°C operational – **Environmental tolerance**: Suitable for industrial control cabinets – **Noise immunity**: RF attenuation >20 dB from 10 kHz to 1 GHz with proper cabinet – **Operation modes**: Automatic or manual – **Communication capability**: Yes, with other control systems – **Protection features**: Overload, overheating, over-frequency
Cabinet Structural Grounding Requirements
– Use a six-sided metal enclosure – Avoid doors with unshielded windows. Prefer solid metal doors – If a window is needed, it must provide >20 dB RF attenuation from 10 kHz to 1 GHz – Place cable entry holes only on floor or top panels. Not on sides – Limit any aperture size to ≤152 mm (6 inches) – This applies when RF transmitters (push-to-talk radios, cell phones) are near cable access – If handheld radios are below the floor plane in metal cableway, keep floor holes ≤152 mm – No restriction if radios cannot be located below floor plane – Bond the cabinet frame and mounting areas together to ground
Installation Guide
– Mount the module inside the grounded metal cabinet – Follow the 152 mm max aperture rule for cable entry holes – Use LINKNET termination resistor module with screw clamp terminals – Keep cable entries on top or bottom only – Bond cabinet frame to system ground before operation
Debugging & Maintenance Convenience
– Front indicators help check synchronization status quickly – The module supports automatic or manual mode for easy testing – Microprocessor-based diagnostics reduce manual checks – Use standard tools for terminal connections. No special software needed for basic tuning
Compatibility
– Works with multiple generator types and power sources – Communicates with other control systems (PLC, SCADA, etc.) – Compatible with Modicon Quantum and similar automation platforms – Parallel operation ready for two or more generators
Certifications
– RF immunity compliant per cabinet grounding spec – Industrial control standard construction – Meets typical Woodward quality and safety benchmarks
Packing List
– 1 x Woodward 9905-760 Digital Synchronizer Module – 1 x LINKNET Termination Resistor Module – Screw clamp terminals set – Quick start guide
Warranty & Shipping
– 12-month warranty from shipment date – Covers manufacturing defects. Does not cover misuse – Shipping methods: FedEx, UPS, DHL – Tracking number provided after dispatch
Typical Applications
– Power plant generator synchronization – Marine or offshore power systems – Industrial backup generator parallel operation – Data center standby power load sharing – Grid-tied renewable energy sources (solar, wind)
Diagnostic Capabilities
– Measures frequency and phase angle in real time – Detects out-of-sync conditions automatically – Provides control signals to correct generator output – Protects against overload, overheating, and voltage drift – Manual mode allows operator override for testing
FAQ
What does the Woodward 9905-760 do? It synchronizes generators and controls load sharing between them.
Can this module work with a single generator?
Yes. It also works with multiple generators in parallel.
What happens if the cabinet window has low RF attenuation?
RF interference may cause wrong readings. Use >20 dB window.
Do I need a termination resistor?
Yes. The LINKNET termination resistor module is included with screw clamp terminals.
What is the max hole size for cable entry?
≤152 mm (6 inches) if RF transmitters are near.
My site uses handheld radios below floor. Any special rule?
Keep floor entry holes ≤152 mm. This prevents RF noise.
Is this module automatic or manual?
Both. Select automatic for normal use. Switch to manual for testing.
Which generator brands is this compatible with?
Works with most industrial generators. No brand lock.
How do I choose between this and a simpler synchronizer?
Choose 9905-760 if you need load control + synchronization in one module. Simple synchronizers do not regulate load.
What is the typical lifespan of this module?
With proper cabinet grounding, many years in industrial use.
Can it communicate with my existing PLC?
Yes. It works with Modicon Quantum and other systems.
Does it support 60 Hz grids?
Yes. It handles both 50 Hz and 60 Hz.
Where can I find the manual?
Contact support with your part number.
My cabinet has a large cable hole. Is that allowed?
No. Largest dimension must not exceed 152 mm. Otherwise RF noise may enter.
What tools are needed for installation?
Standard screwdriver for terminals. No special tools.
Buying Guide
– Confirm your cabinet is metal and six-sided – Measure your cable entry holes. Keep ≤152 mm – Check if handheld radios operate near or below cabinet floor – Choose Woodward 9905-760 when you need both sync and load control – For sync-only tasks, a simpler module may cost less – Verify warranty coverage: 12 months included – Select FedEx, UPS, or DHL for fast delivery – Contact us if your RF environment is unknown
Contact Information
For inquiries: +86 158 8020 0923 (WhatsApp)
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