woodward 8280-414 Digital Speed Controller

Description

Woodward 8280-414 Introduction & Technical Specifications
Basic Information
Brand: Woodward (Woodward Inc., United States)
Model: 8280-414
Official Full Name: 723PLUS Analog Load Sharing Low-Voltage Digital Speed Controller
Place of Origin: Fort Collins, Colorado, USA
International 6-digit HS Customs Code: 853890
China 10-digit extended customs code: 8538909190
Matching assembly part number: 9906-620 Revision C

Mechanical Parameters
Overall outer dimension: 412.75mm (width) × 292.1mm (length) × 60.3mm (depth)
Net single unit weight: 2.95kg
Installation specification: standard cabinet panel embedded installation with integrated metal protective chassis; rear side adopts multi-group screw terminal blocks, compatible with 1.0mm²~2.5mm² insulated wires; pluggable internal circuit structure facilitates disassembly, on-site debugging and component replacement.
Electrical Technical Parameters
Operating power supply range: wide DC voltage 18VDC ~ 40VDC, low-voltage dedicated design
Maximum rated power consumption: 40W
Speed input configuration: 2 independent speed acquisition channels; magnetic pickup sensor applicable frequency range 400Hz~15kHz, proximity switch applicable frequency range 30Hz~1000Hz
Analog input: 4 configurable analog input channels, supporting 4-20mA and 0-1V standard industrial signal access
Analog output: 3 groups analog outputs, optional 4-20mA, 0-200mA actuator driving output and monitoring signal output
Discrete I/O: 8 programmable digital input channels, 3 relay discrete output channels
Actuator driving mode: direct drive of linear fuel actuators, series actuator output supported
Communication interface: dedicated serial port for handheld programmer connection, reserved expansion port for Modbus RTU communication and DSLC load sharing network access
Speed control precision: steady-state speed fluctuation controlled within ±0.25% full working range
Environmental Adaptation Parameters
Continuous operating ambient temperature range: -40℃ ~ +70℃
Storage and transportation temperature range: -52℃ ~ +105℃
Shell protection grade: front panel IP40, internal circuit IP30
Humidity resistance: stable continuous operation under relative humidity 5%~95%, no condensation
Electromagnetic compatibility: fully compliant with EN50081-2 and EN50082-2 industrial EMC standards, strong resistance to salt spray interference, power frequency surge and high-frequency electromagnetic radiation for marine environment
Vibration resistance: meets marine classification society vibration test standards, maintains stable operation under conventional hull vibration and mechanical equipment jolt conditions
Core Functional Characteristics
Multi-mode speed regulation logic: integrates isochronous constant speed control, droop control and soft start/stop ramp control, freely switching operation modes according to standalone generator and grid-connected parallel working conditions.
Reliable multi-unit load sharing function: analog load sharing algorithm realizes balanced power distribution among parallel generators, effectively preventing single unit overload or reverse power phenomenon.
Comprehensive safety protection mechanism: built-in overspeed shutdown protection, speed loss monitoring, actuator fault detection and circuit short-circuit protection; automatic alarm and locking output under abnormal working conditions to protect prime mover equipment.
Flexible programmable I/O configuration: all analog and discrete input and output channels can be customized and defined, adapting to different engine types and on-site control logic demands.

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