IKD1M Digital I/O Expansion 8440‑2028 | Woodward PLC Module

Product Description

The Woodward 8440‑2028 is a Digital I/O Expansion Module (Rev A, IKD1/IKD1M) for the easYgen‑3000 series genset controllers. It enables scalable expansion of digital inputs and outputs, allowing operators to enhance monitoring, synchronization, and control of diesel and gas generator sets.

This module integrates seamlessly with existing Woodward controllers, providing automatic load sharing, breaker management, and engine synchronization. Moreover, its flexible communication capabilities—including Modbus RTU/TCP, CAN, and Ethernet—allow direct integration with SCADA, PLC, and EMS systems, enabling reliable supervision and control across complex installations.

Designed for harsh industrial conditions, the 8440‑2028 features a rugged construction and wide operating temperature range, ensuring consistent performance even under extreme environments. Event logging and diagnostics facilitate maintenance, troubleshooting, and predictive system monitoring.

Technical Specifications

• Product type: Digital I/O Expansion Module for easYgen‑3000

• Manufacturer: Woodward

• Model number: 8440‑2028

• Function: Expands digital inputs/outputs, supports synchronization, load sharing, and breaker control

• Power supply: 18–32 VDC

• Inputs: Voltage, current, frequency, engine speed, digital/analog inputs

• Outputs: Relay outputs for breaker control, alarms, trips

• Control functions: Start/stop sequencing, load sharing, bus synchronization, breaker management

• Communication: Modbus RTU/TCP, CAN, Ethernet

• Operating temperature: –20 °C to +70 °C

• Mounting: Panel mount

• Dimensions: 282 mm (H) × 359 mm (W) × 135 mm (D)

• Protection functions: Over/under-voltage, over/under-frequency, overload, short circuit, engine safety alarms

• Event logging: Built-in event recorder and trend analysis

• Applications: Diesel/gas generator sets, industrial plants, hospitals, marine power, data centers

• Weight: 4.0 lbs (1.81 kg)

FAQ

Q1: What is the primary function of the 8440‑2028 module?
A1: It provides digital input/output expansion for Woodward genset controllers, enhancing control and monitoring capabilities.

Q2: Which communication protocols does it support?
A2: Modbus RTU/TCP, CAN, and Ethernet allow SCADA or PLC integration.

Q3: Can it operate in harsh industrial environments?
A3: Yes, it supports temperatures from –20 °C to +70 °C with rugged industrial construction.

Q4: Is it compatible with multiple generators?
A4: Yes, it works with easYgen‑3000 controllers for parallel or standalone genset operations.

Q5: Does it include diagnostics and event logging?
A5: Yes, it offers built-in event recording and diagnostics for maintenance and troubleshooting.