WOODWARD 2301E Digital Load/Speed Controller

Description

1. • Analog I/O:
   – 2 configurable inputs (±10 V, 4–20 mA, or 0–200 mA)
   – 1 configurable output (4–20 mA or 0–200 mA)
   • Discrete I/O:
   – 8 opto-isolated inputs (3 configurable)
   – 4 relay-driver outputs (30 VDC, 300 mA)
   • Actuator drive: PWM, 4–20 mA or 0–200 mA compatible with Woodward L, F, P and PISC series actuators
   • Communication: dual serial ports RS-232 & RS-422, Modbus RTU master/slave, PC configuration tool included
   • Sampling rate: 10 ms cycle for speed loop, 40 ms for load loop
   • Data logging: 16 s high-resolution buffer (10 ms sampling) for shutdown, peak speed and fault events
   • Power supply: 90–264 VAC, 47–63 Hz, 25 W max
   • Operating temperature: –40 °C to +70 °C (-40 °F to +158 °F)
   • Mechanical: metal chassis, DIN-rail or panel mount, IP20, 250 mm × 210 mm × 140 mm, 6.5 kg
   • Certifications: CE, UL, CSA, ATEX Zone 2 option
2. Functional Highlights
   • Software-only reconfiguration: speed range, gear ratio and forward/reverse action changed via PC without hardware jumpers
   • Real-time diagnostics: actuator health, sensor drift, battery status, automatic alarms
   • Torque limiter, low-speed sensing, load-shedding and reverse-power protection built-in
   • Hot-swap capable terminal blocks compatible with legacy 2301A/2301D wiring, easing retrofits
3. Typical Applications
   • Generator sets: precision load sharing and frequency control in islanded or grid-connected plants
   • Industrial compressors & pumps: speed control to match process demand while protecting prime mover
   • Distributed energy: micro-grid control of multiple engines, PV-diesel hybrid systems
   • Marine propulsion: engine speed governing integrated with vessel automation via Modbus