The Honeywell 620-0038 Control Network Module is a high-performance communication module designed to serve as the backbone of Honeywell’s distributed control systems (DCS). It provides reliable, high-speed networking capabilities for connecting multiple controllers, I/O modules, and operator interfaces, ensuring seamless and secure data exchange across the control system.

Engineered for mission-critical industrial environments, the 620-0038 module supports deterministic communication, redundant network configurations, and robust error detection to maintain system integrity. Its design emphasizes reliability, scalability, and compatibility with a wide range of Honeywell process control equipment. This module is particularly suited for applications where fast, reliable, and secure data transmission is essential, such as power generation, chemical processing, oil & gas, and refining operations.

Product Parameters

Product Applications

The Honeywell 620-0038 module is used across industries for critical network communication tasks:

• Distributed Control Systems (DCS) – Connects controllers, I/O modules, and operator workstations with high-speed, deterministic communication.

• Redundant Control Networks – Enables failover and redundant communication paths for mission-critical processes.

• Industrial Automation – Provides robust network connectivity for PLCs, sensors, and SCADA systems.

• Oil & Gas Production – Integrates remote field controllers and instrumentation for real-time monitoring.

• Power Generation Plants – Connects turbine, generator, and auxiliary system controllers in a single network.

• Chemical & Petrochemical Operations – Ensures secure, low-latency data transfer for process control and safety systems.

Product Advantages

• High Reliability – Designed for continuous operation in harsh industrial environments.

• Redundant Network Support – Provides fail-safe communication for critical process control applications.

• Fast Data Transmission – Supports high-speed network communication for time-sensitive applications.

• Flexible Integration – Compatible with multiple industrial protocols and Honeywell systems.

• Electrical Isolation – Protects controllers and I/O modules from surges and electrical faults.

• Scalable Architecture – Supports expansion with multiple ports and network nodes.

• Simplified Maintenance – Diagnostic LEDs and software tools allow easy network monitoring and troubleshooting.

FAQ

1. What network protocols does the 620-0038 support?

It supports Honeywell proprietary protocol, Ethernet/IP, and Modbus TCP/IP for versatile integration.

2. Can this module be used in a redundant network configuration?

Yes, it supports redundant ring and star topologies for high-availability systems.

3. What is the maximum number of devices supported on the network?

The number of devices depends on network configuration and communication protocol, typically up to 64 nodes per segment.

4. Does the module provide isolation between ports?

Yes, each network port is electrically isolated to protect against surges and cross-talk.

5. How is diagnostic information accessed?

Diagnostics are available via integrated LED indicators and Honeywell configuration software.

6. Can the module be hot-swapped?

No, it should be powered down before installation or removal to prevent network disruption.

7. What is the maximum data transfer rate supported?

It supports up to 100 Mbps high-speed communication across the network.

8. Is the module compatible with third-party network devices?

Yes, provided the devices support compatible communication protocols like Ethernet/IP or Modbus TCP/IP.

9. How does the module handle network errors?

It includes error detection, correction mechanisms, and redundancy management to maintain network integrity.

10. Can multiple 620-0038 modules be used in the same network?

Yes, multiple modules can be deployed to expand network coverage and support additional devices.