Schneider Electric TM4ES4 Ethernet Switch Module

TM4ES4 Modicon TM4 Unmanaged Ethernet Switch Module

Product Introduction

The Schneider Electric TM4ES4 communication module brings versatile network expansion to the Modicon TM4 series. This unmanaged Ethernet switch integrates directly with M241 and M251 logic controllers, giving you four additional RJ45 ports for connecting HMI panels, drives, sensors, and other Ethernet devices. Consequently, you can build a robust machine network without needing a separate external switch.

Specifically, the TM4ES4 operates at 10/100 Mbps speeds and supports both 10BASE-T and 100BASE-TX standards. Its unmanaged design means plug-and-play simplicity—no complex configuration required. Furthermore, this module embeds essential services like Modbus TCP server and client, Ethernet/IP slave, SNMP, and even a web server for diagnostics. Therefore, it serves as a central communication hub for your Modicon automation system.

Designed for industrial environments, the TM4ES4 withstands temperatures from -10°C to 55°C and carries an IP20 protection rating. Its compact 25 mm width saves valuable panel space, while the dual-color LEDs provide instant link and activity status. Additionally, marine certifications from LR, ABS, DNV, and GL make it suitable for shipboard applications.

Key Technical Specifications

The TM4ES4 offers robust networking capabilities in a compact package. It consumes 360 mA at 5 V DC from the communication bus, ensuring efficient power usage. The module provides four integrated RJ45 Ethernet connectors, each supporting auto-negotiation for 10 or 100 Mbps transmission. Moreover, the copper ports are compatible with standard straight-through or crossover cables.

In terms of protocol support, this TM4ES4 module excels. It handles up to 8 simultaneous Modbus TCP server connections and up to 16 Ethernet/IP equipment connections. Additionally, it supports UDP and TCP protocols, SNMP for network management, and DHCP client for automatic IP assignment. For programming and maintenance, FTP and web server services are included, giving you remote access to system data and firmware updates.

Electrical isolation is not provided between the power supply and internal logic, so proper grounding is essential. The module's local signaling includes one green/yellow LED per channel for link status, one green LED per channel for port activity, and a green power indicator. These visual cues make troubleshooting network issues fast and intuitive.

Environmental and Mechanical Durability

Industrial networks demand reliable hardware, and the Schneider Electric TM4ES4 delivers. Its operating temperature range spans -10°C to 55°C for horizontal mounting and -10°C to 50°C for vertical orientation. Storage temperatures range from -25°C to 70°C, ensuring component longevity even in unheated warehouses.

Humidity tolerance covers 10% to 95% without condensation, both during operation and storage. The module carries an IP20 protection degree with the protective cover in place, safeguarding against solid objects larger than 12.5 mm. Pollution degree is rated at 2, suitable for most industrial control cabinets.

Vibration resistance is rated at 1 mm displacement from 5 to 13.2 Hz and 3 gn acceleration from 8.7 to 150 Hz on DIN rail mounting. For panel mounting, levels are 1 mm at 5 to 13.2 Hz and 0.7 gn at 13.2 to 100 Hz. Shock resistance reaches 15 gn for 11 ms, making the TM4ES4 reliable even in high-vibration machinery like compressors or conveyor systems.

Installation and Mounting Guidance

Mounting the TM4ES4 is straightforward with support for TH35-15 and TH35-7.5 DIN rails per IEC 60715. Alternatively, you can attach it directly to a panel or plate using the optional fixing kit. This flexibility allows seamless integration into both new and existing control cabinets.

When planning your panel layout, keep adequate clearance around the module for cable routing and airflow. The module measures 90 mm in height, 90 mm in depth, and just 25 mm in width, so multiple communication modules can sit side by side without crowding. Moreover, ensure the functional ground terminal is properly connected to maintain EMC performance and safety.

For network connections, use standard Ethernet cables with RJ45 connectors. The TM4ES4 supports both straight-through and crossover cables, so you do not need special wiring. After mounting, simply power up the system—the unmanaged switch starts operating immediately without any software configuration.

Packaging and Logistics

Each individual TM4ES4 module comes in a single-unit package weighing 0.125 kg. The compact packaging ensures safe transit and easy handling. For larger orders, bulk packaging options are available to reduce shipping costs and simplify inventory management.

All orders are dispatched via trusted global couriers, including FedEx, UPS, and DHL. This guarantees fast and reliable delivery to your facility, wherever you are located. The product carries an 18-month warranty from Schneider Electric, giving you peace of mind for your automation investment.

Frequently Asked Questions

1. Which controllers are compatible with the TM4ES4?
The TM4ES4 works with Modicon M241 and M251 logic controllers. These two platforms both support the TM4 communication module family, making integration straightforward.

2. Do I need to configure this switch before using it?
No, the TM4ES4 is an unmanaged switch, so it works right out of the box. Simply plug in your Ethernet devices, and the switch automatically handles traffic forwarding.

3. How many devices can I connect to this module?
The TM4ES4 provides four RJ45 ports for direct connections. Additionally, it supports up to 8 Modbus TCP server connections and up to 16 Ethernet/IP equipment connections, expanding your network reach.

4. Can I use this module in a marine environment?
Yes, the TM4ES4 holds marine certifications from LR, ABS, DNV, and GL. Its EMC and environmental ratings meet the strict requirements for shipboard installations.

5. What does the green/yellow LED indicate on each port?
The green/yellow LED shows the Ethernet link status. A steady green indicates a valid link at 100 Mbps, while yellow indicates 10 Mbps. The second green LED per port flashes to show active data transmission.