Product Introduction
The Allen Bradley 1756-L73XT ControlLogix Logix5673 Processor is a high-performance industrial automation controller designed for extended environmental conditions. Part of the Logix5670 family, the L73XT combines 8 MB of user memory with enhanced environmental tolerance, allowing it to operate reliably in harsh industrial environments where temperature, vibration, and humidity ranges exceed standard conditions.
Equipped with a USB programming port and a 4-character digital display, the 1756-L73XT facilitates easy configuration, firmware updates, and real-time status monitoring. It is designed for open-style chassis installation and integrates seamlessly with ControlLogix I/O, motion, and communication modules, supporting both centralized and distributed control systems.
The processor is ideal for complex automation systems that require high memory capacity, robust performance, and operational reliability in challenging conditions.
Product Specifications
| Parameter | Specification |
|---|---|
| Processor Type | Logix5673 (Extended Environment) |
| User Memory | 8 MB |
| Backplane Voltage | 1.2 / 5.1 VDC |
| Programming Interface | USB |
| Digital Display | 4-character |
| Chassis Mount | Open-style |
| I/O Memory | 0.98 MB |
| Backplane Current @ 5.1 VDC | 800 mA |
| Backplane Current @ 1.2 VDC | 5 mA |
| Isolation Voltage | 30 V continuous |
| Operating Temperature | -20 to 70°C (Extended) |
| Relative Humidity | 5–95% noncondensing |
| Vibration | 10–500 Hz |
| Dimensions | 145.2 x 34.6 x 139.6 mm |
| Weight | 0.25 kg |
Applications
• Industrial automation in harsh environments with extended temperature and vibration ranges
• Automotive assembly lines requiring reliable high-memory controllers
• Process industries where standard processors cannot tolerate extreme conditions
• Packaging and material handling systems exposed to heat, vibration, or fluctuating humidity
• Oil & gas and chemical plants with distributed I/O and high environmental stress
• Motion control applications requiring real-time processing and reliable feedback
The 1756-L73XT is particularly suited for industrial applications where environmental conditions exceed standard operational limits without compromising performance.
Advantages
• Extended environmental tolerance suitable for -20 to 70°C operations
• High-performance 8 MB memory for complex automation programs
• USB programming interface enabling convenient configuration and updates
• 4-character digital display for real-time operational status monitoring
• Open-style chassis mounting compatible with ControlLogix architecture
• Supports distributed and centralized control systems
• Robust industrial design for vibration, humidity, and temperature resilience
• Compatibility with Studio 5000 software for engineering efficiency
The 1756-L73XT combines high memory capacity, robust environmental resistance, and integrated monitoring features for reliable high-performance industrial control.
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