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8271-030 - 723Plus Digital Control is available in stock which ships the same day.
8271-030 - 723Plus Digital Control comes in UNUSED as well as REBUILT condition.
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TECHNICAL SPECIFICATIONS:
Part Number: 8271-030
Manufacturer: Woodward
Series: 723Plus
Control Type: Parallel / Load Sharing
Input Power: 90–150 VDC or 88–132 VAC (High Voltage)
Power Consumption: 40 Watts (Maximum)
Analog Inputs: 4 Channels (0-5 VDC, 0-20 mA, or 4-20 mA)
Analog Outputs: 3 Channels (Configurable)
Discrete Inputs: 8 Channels
Discrete Outputs: 3 Relay Outputs / 1 Status Relay
Communication: RS-422 / RS-232 Ports
Operating Temp: -40 °C to +70 °C
Availability: In Stock
Origin: United States
FUNCTIONAL DESCRIPTION:
The 8271-030 is a high-performance 723Plus Digital Control designed and manufactured for managing large reciprocating engines and turbines. As a high-voltage, Parallel model, it is specifically built for applications where the control power is supplied by station battery banks or AC mains, and where multiple generator sets must operate in synchronization. It provides precise speed control, load sharing, and engine protection in a single, ruggedized package.
PARALLEL OPERATION AND LOAD MANAGEMENT
The 723Plus Digital Control is pre-configured with the software necessary for parallel generator applications. It includes dedicated load-sharing lines that allow it to communicate with other Woodward controls to ensure balanced power distribution across a common bus. Whether operating in isochronous load-sharing mode or droop mode, the 8271-030 ensures that each prime mover contributes its fair share of the total electrical load, preventing engine overload and system instability.
CUSTOMIZABLE DIGITAL DYNAMICS
One of the core strengths of the 723Plus series is its dual-dynamic PID settings. The 723Plus Digital Control allows for separate tuning parameters for starting and running conditions. This ensures a stable, smoke-free start-up sequence while providing the fast response time needed to handle sudden load changes once the machine is at rated speed. All parameters are digitally stored, eliminating the calibration drift associated with older analog governors.
HIGH-VOLTAGE POWER FLEXIBILITY
The 723Plus Digital Control features a versatile high-voltage power section. It can be powered directly from 125 VDC station batteries or standard 115 VAC sources without the need for external transformers or power converters. This internal power flexibility, combined with 500 Vdc isolation, ensures the control remains operational even during significant plant power transients.
WHY BUY FROM WOC:
World of Controls specializes in supporting legacy and current Woodward infrastructure by providing the 8271-030 in both UNUSED and REBUILT conditions. Each unit is subjected to rigorous testing on our specialized 723Plus test stands, where we simulate MPU speed signals and load-sharing scenarios to ensure 100% functionality. We maintain a significant inventory of high-voltage Woodward controls to provide immediate support for your critical operations. With our global logistics network and 24/7 technical support, WOC is your premier partner for maintaining Woodward 723Plus systems.
What is the Woodward 8271-030?
The 8271-030 is a 723Plus Digital Control used for speed governing and load sharing. It is the High Voltage version (AC or DC input) specifically designed for parallel generator applications.
How does the 723Plus Digital Control interface with external monitoring systems?
The module is equipped with serial communication ports (RS-422/RS-232) that support the Modbus protocol. This allows the 8271-030 to share critical engine data, such as speed, fuel demand, and alarm status, with plant-wide DCS or SCADA systems.
Can the 8271-030 replace a low-voltage 723Plus model?
While the functional logic may be identical to a low-voltage model like the 8239-025, the 723Plus Digital Control requires high-voltage power (90–150 VDC or 88–132 VAC). You must ensure the available power source matches the module's requirements before installation to avoid hardware damage.
How are the I/O channels configured on this module?
The 4 analog inputs and 3 analog outputs are software-configurable. Using Woodward Watch Window or a handheld programmer, technicians can define the signal ranges (such as 4–20 mA or 0–5 V) and assign them to specific functions like fuel demand, remote speed reference, or oil pressure monitoring.
