



Product Description
Woodward 9907-331 723PLUS Digital Control
- Manufacturer: Woodward
- Model/Part Number: 9907-331
- Description: 723PLUS Digital Control, Low Voltage (18–40 VDC), DSLC-Compatible, with Torsional Filter, for Diesel/Gas Engines and Turbines
Overview
- The Woodward 9907-331 is a 723PLUS Digital Control module designed for advanced speed and load control of diesel or gas engines and turbines. It offers comprehensive control and monitoring capabilities, including load sharing, torsional vibration filtering, and compatibility with Woodward’s Digital Synchronizer and Load Control (DSLC) systems. This module is suitable for industrial, marine, and power generation applications requiring precise engine or turbine management.
Technical Specifications
Specification | Details |
---|---|
Model | 9907-331 |
Series | 723PLUS |
Type | Digital speed and load control |
Power Supply | 18–40 VDC, < 20 W nominal |
Speed Inputs | 2 channels, Magnetic Pickup Unit (MPU) or proximity switch, 1–60 Vrms, 100 Hz–20 kHz |
Analog Inputs | 4 channels, 4–20 mA or 0–5 VDC (configurable) |
Discrete Inputs | 8 channels, optically isolated, 18–40 VDC |
Analog Outputs | 2 channels, 4–20 mA or 0–200 mA for actuators |
Relay Outputs | 4 channels, Form C, 5 A at 250 VAC |
Communication | 2 LON channels (DSLC and LinkNet), 2 serial ports (RS-232/RS-422, Modbus-compatible) |
Control Modes | Isochronous, droop, base loading, process control |
Features | Torsional filter, self-diagnostic processor/memory tests, permanent memory storage, adjustable dynamics |
Operating Temperature | -40°C to +70°C (-40°F to +158°F) |
Storage Temperature | -55°C to +105°C (-67°F to +221°F) |
Relative Humidity | 5% to 95%, non-condensing |
Vibration | 4 G, 5–500 Hz |
Shock | 20 G peak |
Protection Rating | Not specified (designed for control cabinet use) |
Dimensions | Approximately 305 mm x 254 mm x 51 mm (12 in x 10 in x 2 in) |
Weight | Approximately 2 kg (4.4 lbs) |
Mounting | Panel or rack mount, sheet-metal chassis |
Certifications | CE, UL/cUL for Class 1 Div. 2, Groups A/B/C/D |
System Compatibility | Woodward DSLC, LinkNet-HT, SPM-A synchronizers, diesel/gas engines, turbines |