Description

The WOODWARD 8200-1302 is a critical servo driver module within Woodward’s globally recognized 2301A Speed Control System, engineered for precision management of prime movers in power generation and industrial applications. This ruggedized module interfaces directly with actuators and fuel valves to regulate speed, load, and process variables in gas turbines, steam turbines, diesel engines, and compressors. As the output stage of Woodward’s flagship control platform, the 8200-1302 converts low-power control signals into high-current drive outputs (typically ±80 mA or ±200 mA) to position hydraulic or electric actuators with exceptional accuracy. Its integration into the 2301A system enables closed-loop control via PID algorithms, supporting isochronous load sharing, droop operation, and cascade control strategies essential for grid stability. The WOODWARD 8200-1302 excels in harsh environments with MIL-spec construction, ensuring reliability in offshore platforms, remote power plants, and continuous-process industries where failure is not an option.

Designed for seamless compatibility with other 2301A components like the SPM-A controller, this module features plug-and-play configurability via Woodward’s ToolKit software. Its fault-tolerant architecture includes built-in diagnostics for coil continuity, feedback loss, and over-temperature conditions, triggering alarms or safe shutdowns to protect equipment. The WOODWARD 8200-1302 embodies Woodward’s legacy of precision motion control, meeting API 670 standards for machinery protection while reducing commissioning time through auto-tuning capabilities.

WOODWARD 8200-1302

Technical Specifications

Parameter Name	Parameter Value
Product Model	WOODWARD 8200-1302
Manufacturer	Woodward Inc.
Product Type	Servo Driver Module
Output Current	±80 mA DC or ±200 mA DC (configurable)
Control Signal Input	±50 mA, ±1 V DC, or 4–20 mA (isolated)
Feedback Signal	LVDT/RVDT (2.5–7.5 V AC), 400–3500 Hz
Linearity	±0.5% full scale
Frequency Response	10 Hz (±3 dB)
Operating Temperature	-40°C to +85°C (-40°F to +185°F)
Input Power	20–30 V DC (24 V DC nominal)
Communication Interface	N/A (Analog I/O only)
Safety Certifications	ATEX, IECEx, UL, CE
Mounting	DIN rail or panel
MTBF	>250,000 hours

Main Features and Advantages

Precision Actuation Control: The WOODWARD 8200-1302 delivers industry-leading ±0.25% positioning repeatability via adaptive PID tuning, optimizing response time while eliminating overshoot in transient conditions. Its dual-range current output (±80mA/±200mA) supports diverse actuators without external amplifiers.

Extreme Environment Resilience: With conformal-coated PCBs and stainless-steel hardware, the module withstands humidity, salt spray, and vibration levels up to 5g RMS (10–500 Hz). Redundant power inputs and isolated signal paths prevent ground-loop interference.

Integrated Diagnostics: Real-time monitoring of coil resistance, feedback signal integrity, and thermal status enables predictive maintenance. The module’s fail-safe design defaults to a preset position during signal loss, preventing uncontrolled fuel flow.

Configuration Flexibility: Woodward’s ToolKit software allows custom tuning of gain, ramp rates, and fault responses without physical adjustments. Auto-calibration routines synchronize LVDT/RVDT feedback in minutes, reducing commissioning downtime.

Application Field

The WOODWARD 8200-1302 is indispensable in mission-critical speed control systems across energy and heavy industries. In gas turbine power plants, it governs fuel valves and inlet guide vanes for load-frequency control during grid synchronization, ensuring compliance with NERC/FERC regulations. For offshore compressor stations, the module manages anti-surge valves and gas turbine drivers on LNG liquefaction trains, maintaining process stability under fluctuating loads.

Industrial steam turbines use the 8200-1302 for boiler feed pump control in petrochemical refineries, while diesel engine applications include backup generator sets in data centers and hospitals. Marine propulsion systems leverage its robust design for throttle control in engine rooms. The module’s ATEX/IECEx certification enables deployment in hazardous Zone 1 areas like gas processing facilities.

WOODWARD 8200-1302

Related Products

WOODWARD 2301A-SPM-A: Speed Controller – Primary logic unit providing setpoints to the 8200-1302.

WOODWARD 8200-1126: Analog I/O Module – Expands signal interfaces for the 2301A system.

WOODWARD 9907-164: LVDT Position Sensor – Woodward’s recommended feedback device.

WOODWARD 8273-1052: Power Supply – 24V DC source for 8200-1302 racks.

WOODWARD 8440-1800: Digital Governor – Next-gen upgrade path.

WOODWARD DTSC-200: Test Calibrator – For field validation of 8200-1302 signals.

WOODWARD 5466-258: Mounting Kit – DIN rail accessories.

Installation and Maintenance

Pre-installation preparation: Verify actuator compatibility (impedance < 20Ω for ±200mA mode). Isolate control power using Woodward-approved 24V DC supplies (e.g., 8273-1052). Ensure LVDT/RVDT cables are shielded twisted pairs routed away from high-voltage sources. Configure ToolKit software settings before physical installation.

Maintenance recommendations: Perform quarterly calibration checks using a DTSC-200 simulator. Monitor ToolKit diagnostics for coil resistance drift (>10% change indicates wear). Clean terminal blocks annually with CO₂ blasting to prevent carbon buildup in dusty environments. Replace modules showing persistent fault LEDs; the WOODWARD 8200-1302 supports hot-swap when redundant systems are active. Store spares in anti-static bags with desiccant.