
Application Scenarios:
In a large automotive assembly plant, a legacy ControlLogix system controlling the paint shop needed to be integrated with a new fleet of networked robotic arms and vision systems over a unified EtherNet/IP infrastructure. The existing standard communication modules were failing prematurely due to high humidity and chemical exposure in the paint booth environment. By deploying the 1756-EN2TK modules in the control cabinets, the plant engineers established a robust network backbone. The module’s conformal coating provided the necessary protection against atmospheric contaminants, eliminating communication dropouts caused by board corrosion. This upgrade ensured seamless, high‑speed data exchange between the 1756‑L7x controllers and the robots, enabling precise coordination of painting operations while drastically reducing unplanned downtime due to hardware failure.
Parameter:
| Main Parameters | Value/Description |
|---|---|
| Product Model | 1756-EN2TK |
| Manufacturer | Rockwell Automation (Allen‑Bradley) |
| Product Category | EtherNet/IP Communication Bridge Module |
| Communication Protocol | EtherNet/IP (CIP) |
| Network Speed | 10/100 Mbps Auto‑Negotiation |
| Physical Interface | 1 × RJ45 (Copper), 1 × USB (Configuration) |
| Connection Capacity | 128 TCP/IP, 256 Logix (CIP) Connections |
| Backplane Current | 1.0 A @ 5.1 V DC (Typical) |
| Power Dissipation | 5.1 W (Typical) |
| Environmental Protection | Conformal Coating (Suitable for Harsh Environments) |
| Operating Temperature | 0 °C to 60 °C (32 °F to 140 °F) |
| Isolation Rating | 30 V Continuous (Ethernet to Backplane) |







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