Woodward ESENET CANopen to Modbus TCP Gateway PN 8445-1044 & 8445-1046 - For easYgen Genset & LS-5 Breaker Controllers
Woodward ESENET CANopen to Modbus TCP Gateway PN 8445-1044 & 8445-1046 - For easYgen Genset & LS-5 Breaker Controllers
Product Overview
The ESENET Gateway, part numbers 8445-1044 (standard) and 8445-1046 (extended industrial variant), is a dedicated DIN rail communication converter co-developed by Woodward and proconX. It acts as a transparent protocol bridge to translate CANopen signals from Woodward easYgen series genset controllers, LS-5 circuit breaker controllers and DTSC-200 modules into standard Modbus TCP Ethernet communication, enabling seamless integration with modern industrial PLC, SCADA systems, touch HMIs and remote monitoring platforms.
Designed exclusively for Woodward distributed power control ecosystems, one ESENET unit supports up to 16 CAN-connected Woodward devices. Its built-in high-speed data buffer eliminates repeated CAN bus polling, delivering faster visualization refresh rates compared to traditional serial Modbus links while reducing CAN network load. Operators can monitor real-time generator metrics, acknowledge alarms, adjust setpoints and remotely start/stop gensets through Ethernet-based master systems, and even access all controller parameters via Woodward ToolKit software over LAN/WAN without local CAN cable connections.
Core Product Features
Dual-Bus Protocol Conversion (CANopen ↔ Modbus TCP Server)
CANopen master port to connect easYgen-1000/2000/3000, LS-5, DTSC-200
10/100Mbps RJ45 Ethernet running Modbus TCP server for PLC/SCADA/HMI access
Internal data caching stores all genset status, power values and fault codes locally to speed up data response
Multi-Device CAN Network Support
Single ESENET manages a maximum of 16 Woodward CAN nodes; for complex fleets exceeding 8 units, multiple ESENET gateways can be deployed to separate CAN1 (control) and CAN3 (load sharing) buses for stable communication without bandwidth congestion.
Full Remote Operation & ToolKit Compatibility
Native driver support for Woodward ToolKit software over Ethernet:
Remote online configuration and parameter modification of all connected genset/breaker controllers
Real-time alarm viewing, counter tracking and fault diagnosis
Remote start, stop, breaker open/close and alarm acknowledgement commands
Simultaneous access by HMI/PLC and ToolKit without communication conflict.
Two Scalable Topology Modes for easYgen-3500 & LS-5 Systems
Small-scale system (≤8 CAN nodes): Bridge CAN1 and CAN3 load-sharing buses into one ESENET for unified monitoring
Large-scale multi-group fleet (>8 nodes): Deploy separate ESENET gateways on CAN1 (genset control) and CAN3 (breaker load sharing) buses to isolate data traffic and avoid communication lag
Compact DIN Rail Industrial Hardware
Standard DIN rail mounting design for cabinet integration; wide industrial operating temperature range, robust EMC compliance meeting CE industrial standards, ideal for stationary power plants, offshore oil & gas, mining and marine vessels.
Pre-Configured Woodward Data Mapping
Predefined Modbus register tables match Woodward controller address layouts, eliminating custom programming work. Woodward provides ready-to-use demo templates for Proface AGP3600 and mainstream touchscreen HMIs to accelerate commissioning.
Compatible Woodward Controller Lineup
Supported Genset Controllers
Supporting Breaker & Auxiliary Controllers
Typical Industrial Application Scenarios
Data Center Critical Backup Power Monitoring
Centralized Modbus TCP SCADA monitoring of dozens of parallel gensets and bus tie breakers with remote load adjustment and fault alarm push.
Large Industrial Power Plant Multi-Genset Fleet
Multi-group easYgen-3500 + LS-5 systems using dual ESENET gateways to separate load-sharing CAN3 and control CAN1 networks.
Offshore & Marine Island Power Grids
Remote vessel power system supervision via shipboard PLC/HMI with Ethernet-based ToolKit maintenance.
Mining Remote Off-Grid Generation
Unified visualization for scattered generator sets without on-site CAN wiring access.
Commercial Campus CHP & Peak Shaving Systems
Remote setpoint tuning and automatic load-dependent start/stop control via central building management system.
Working Principle & System Topology
All Woodward genset and breaker devices exchange real-time speed, power, alarm and breaker status via CANopen bus to the ESENET gateway. The gateway buffers all data locally and responds instantly to Modbus TCP read requests from upper-level control systems. Downward Modbus write commands (remote start, droop adjustment, breaker control) are converted into CANopen SDO/PDO messages and transmitted to target controllers.
For easYgen-3500 units with independent CAN3 load-sharing bus, ESENET can either combine CAN1/CAN3 for small fleets or operate independently on each bus for large-scale systems, ensuring load-sharing communication is never disrupted by SCADA data polling.
Key Technical Highlights Bullet Points (Sidebar Quick Specs)
Part Numbers: 8445-1044 (Standard ESENET), 8445-1046 (Extended Industrial ESENET)
Protocol Conversion: CANopen Master ↔ Modbus TCP Server
Max CAN Nodes per Gateway: 16 Woodward controllers
Mounting: Standard DIN rail for switchgear cabinet
Ethernet Port: 10/100Mbps auto-sensing RJ45
Core Advantage: Built-in data buffering for faster HMI refresh
ToolKit Support: Full remote configuration, tuning and troubleshooting over Ethernet
Supported Devices: easYgen 1000/2000/3000XT, LS-5, DTSC-200
Topology Flexibility: Single gateway for ≤8 nodes; dual gateway architecture for fleets over 8 units
Certification: CE marked, industrial EMC compliant
Application Templates: Pre-built HMI demo files for Proface and mainstream touch panels
Order & Deployment Guidance
Single small genset system (≤8 easYgen/LS-5): Select one ESENET 8445-1044
Multi-group power plant with more than 8 CAN devices: Deploy multiple ESENET gateways (8445-1046 recommended for heavy industrial environments)
When easYgen-3500 CAN3 load-sharing bus carries high data traffic, separate ESENET hardware must be assigned to CAN1 and CAN3 buses to prevent communication delays.
All configuration is completed via gateway built-in web server and Woodward ToolKit; no extra programming software required for standard monitoring functions.
