Product Overview

The Woodward 8440-1934 belongs to the easYgen-3000 series of genset controls. This operator interface handles breaker control for power generation applications. The 8440-1934 has a color LCD display for clear machine status indication. You get front panel mounting with sealed soft keys for reliable operation. The unit supports standalone emergency generators to isochronous parallel operation. The 8440-1934 can manage up to 32 gensets in parallel for large power systems.

Technical Specifications

The Woodward 8440-1934 delivers versatile genset control and protection capabilities. All parameters follow the official datasheet.

Power & Consumption

• Power supply: 12/24 V DC (8 to 40 V DC range)

• Maximum power consumption: 19 W

• Typical power consumption: 17 W

• The 8440-1934 accepts a wide input voltage range for flexibility.

Display & Interface

• Display type: Color LCD

• Mounting: Front panel

• Housing: Plastic housing for front panel mounting

• Dimensions (W x H x D): 282 mm x 217 mm x 99 mm

• Sealing front: IP66

• Sealing back: IP20

• Weight: Approx. 1,850 g (plastic housing)

I/O Specifications

• External discrete inputs: 32

• External discrete outputs: 32

• External analog inputs: 16

• External analog outputs: 4

• Discrete input range: 12/24 V DC (8 to 40 V DC) isolated

• Relay outputs: Dry contacts, resistive load 2 A at 24 V DC and 250 V AC

• Analog inputs: 0 to 500 ohms, 0 to 20 mA

• Analog outputs (isolated): ±10 V / ±20 mA / PWM

AC Measurement

• Voltage AC input: 120 V AC and 480 V AC true RMS

• Accuracy class: Class 1 for voltage

• Current AC input: 1 A or 5 A true RMS, isolated

• Accuracy class: Class 1 for current

Environmental Specifications

• Ambient temperature (operation): -20°C to 70°C (-4°F to 158°F)

• Ambient temperature (storage): -30°C to 80°C (-22°F to 176°F)

• Ambient humidity: 95 percent, non-condensing

Key Features

• True RMS voltage and current sensing for generator, bus, and mains

• Complete engine/generator protection and metering

• Mains monitoring for utility interaction

• LogicsManager for complex Boolean control logic

• Load share for 32 gensets in island mode or utility parallel

• kW/kvar load sharing with start/stop sequencing

• Communication to engine ECUs, SCADA, and external I/O

• RP-3000 remote panel support

• CAN open, J1939, Modbus RTU, and modem support

Installation Guide

Follow these steps to install the Woodward 8440-1934 correctly.

1. Cut a front panel opening according to the 282 x 217 mm dimensions.

2. Insert the 8440-1934 from the front through the panel cutout.

3. Secure the operator interface using the provided mounting hardware.

4. Connect 12/24 V DC power (8 to 40 V DC range) to the unit.

5. Wire discrete inputs and outputs to the 32/32 terminal blocks.

6. Connect analog inputs (0 to 500 ohms or 0 to 20 mA) as needed.

7. Connect voltage and current inputs for generator, bus, and mains sensing.

Packing List

This package for the Woodward 8440-1934 includes the following items.

• Woodward 8440-1934 easYgen-2500 operator interface (one unit)

• Front panel mounting gasket

• Mounting hardware kit

• Product documentation and quick start guide

• Terminal connector blocks

Frequently Asked Questions (FAQ)

1. What is the power supply range for the Woodward 8440-1934?
The 8440-1934 accepts 12/24 V DC power. The operating range is 8 to 40 V DC for flexible installation.

2. How many gensets can the 8440-1934 control in parallel?
The 8440-1934 can load share up to 32 gensets. This works in island mode or when paralleled to the utility grid.

3. What communication protocols does the Woodward 8440-1934 support?
The 8440-1934 supports CAN open, J1939, and Modbus RTU. It also has modem support for remote communication.

4. What is the sealing rating for the 8440-1934?
The front panel has IP66 sealing for the 8440-1934. The back has IP20 protection for indoor installation.

5. What is the accuracy class of the Woodward 8440-1934?
The 8440-1934 has Class 1 accuracy for both voltage and current measurements. It uses true RMS sensing for generator, bus, and mains.