Schneider Electric TM4ES4 Modicon TM4 Communication Module

Product Introduction

The Schneider Electric TM4ES4 is a high-performance unmanaged Ethernet switch module engineered for the Modicon automation ecosystem. Designed specifically to expand network connectivity for logic controllers, it provides robust local device networking in demanding industrial environments. Global PLC Spare HUB supplies this reliable unit to support seamless plant floor communications and machine integrations.

Technical Specifications

Installation Guidelines

• Mount the TM4ES4 module onto a standard Top hat TH35-7.5 or TH35-15 rail following IEC 60715 guidelines.
• Alternatively, secure the unit directly to a mounting plate or panel using an approved fastening kit.
• Connect the internal communication bus to the compatible M241 or M251 logic controller securely.
• Attach the ground wire to the designated screw connector terminal block to ensure proper shielding.
• Plug standard RJ45 network cables into the four available Ethernet communication ports.

Commissioning & Maintenance Convenience

• Integrated local LED indicators provide instant visibility for channel links, port activity, and power status.
• Green and yellow LEDs display Ethernet link and data traffic conditions clearly for technicians.
• Firmware updates are supported directly through the network configuration framework.
• Compact 25 mm width minimizes control panel footprint during cabinet retrofits.
• Unmanaged architecture enables plug-and-play deployment without complex software configuration steps.

Compatibility & Certifications

• Controller Compatibility: Fully compatible with Schneider Electric Modicon M241 and M251 controllers.
• Product Certifications: cULus, C-Tick, and marine approvals including LR, ABS, DNV, and GL.
• Safety Standards: Conforms to EN/IEC 61131-2 and UL 508 industrial control requirements.
• Environmental Compliance: Green Premium product compliant with RoHS and REACh regulations.

Environmental Tolerance & Interference Immunity

• Electrostatic Discharge: Tested up to 8 kV air discharge and 6 kV contact discharge.
• Radiated Fields: Withstands electromagnetic fields up to 10 V/m across 80 MHz to 1 GHz frequencies.
• Surge Protection: Handles 1 kV common mode on DC power lines and 2 kV on AC power lines.
• Vibration Resistance: Withstands 1 mm peak amplitude at 5 to 13.2 Hz on symmetrical rails.

Package Contents & Logistics

• One Schneider Electric TM4ES4 communication module unit.
• Integrated screw connector terminal block for ground connection.
• Standard manufacturer documentation and environmental compliance sheet.
• Shipping Carriers: Fast global dispatch via FedEx, UPS, and DHL.
• Fulfillment Window: Orders process and ship within 24 to 48 hours.

Warranty & Support

• Standard product warranty period is 18 months from the date of purchase.
• Global PLC Spare HUB provides dedicated technical support for configuration inquiries.

Typical Application Scenarios

• Machine Building: Connecting distributed HMI panels and remote drives to a central M241 controller.
• Water Treatment Plants: Expanding Ethernet drop lines in harsh control cabinets requiring marine certifications.
• Packaging Lines: Linking high-speed sensor arrays to Modbus TCP supervisory control systems.

Global PLC Spare HUB's Insight

• Field Experience: When expanding an existing M251 rack, engineers often encounter dropped packets if unshielded patch cables run too close to high-voltage motor drives. Always use shielded twisted-pair cables with the TM4ES4 to maintain stable 100 Mbit/s links.
• Diagnostic Tip: If the green PWR LED is lit but port LEDs remain dark, verify that your communication bus connector is fully clicked into the adjacent controller module to ensure proper 5 V DC power delivery.

Frequently Asked Questions

Q: Does the Schneider Electric TM4ES4 require manual IP configuration?

A: No, this unit functions as an unmanaged switch module, meaning it forwards Ethernet frames automatically without requiring IP address assignment.

Q: Can I mount this module on a standard DIN rail?

A: Yes, it is designed for standard TH35-7.5 and TH35-15 top hat DIN rails as well as direct panel mounting.

Q: What controllers work directly with the TM4ES4?

A: It is specifically engineered for seamless physical and logical integration with Modicon M241 and M251 logic controllers.

Q: How do I handle grounding for this communication module?

A: Connect a dedicated ground wire from your enclosure ground to the integrated screw connector terminal block located on the module.

Q: What should I check if an Ethernet port link LED fails to illuminate?

A: Inspect the RJ45 cable connection, verify that the remote network device is powered on, and confirm that cable length is within standard Ethernet limits.

Tags