| Parameter | Specification |
|---|---|
| Brand / Series | Allen-Bradley ControlLogix |
| Product Type | EtherNet/IP Communication Bridge Module |
| Network Interface | 1 × RJ45 (10/100 Mbps Auto-sensing) |
| USB Interface | 1 × USB 1.1 (for local configuration/diagnostics) |
| Maximum Connections | Logix Connections: 256; TCP/IP Connections: 128 |
| Power Supply | 5.1V DC: 1.0-1.2A; 24V DC: 3mA; Power Consumption approx. 6.2W |
| Isolation Voltage | 30V DC (continuous, Ethernet/USB isolated from backplane) |
| Operating Environment | Temperature: 0-60°C; Humidity: 5-95% (non-condensing); Vibration: 2G; Shock: 30G |
| Physical Specifications | Single-slot module, installable in any ControlLogix Chassis |
| Supported Protocols | EtherNet/IP, CIP, TCP/IP, UDP, SNMP, Web, Telnet |
| Model | Number of Ports | Network Characteristics | Main Differences |
|---|---|---|---|
| 1756-EN2T | 1 × RJ45 | Single port, basic bridging | High cost-performance ratio, suitable for star networks |
| 1756-EN2TR | 2 × RJ45 | Dual port, supports DLR ring networks | Media redundancy, improves network reliability |
| 1756-ENBT | 1 × RJ45 | Early model, fewer connections | Gradually replaced by EN2T |
| 1756-EN2TXT | 1 × RJ45 | Wide temperature range (-20-50°C) | Suitable for extreme environments |