1756-L73XT Allen-Bradley XT Controller

Allen-Bradley ControlLogix XT 1756-L73XT Extreme Temperature Controller

The 1756-L73XT is an extreme temperature ControlLogix XT controller from Allen-Bradley featuring 8 MB user memory and 0.98 MB I/O memory. Designed for harsh environments, it operates from -20°C to 70°C with T4 temperature code and supports up to 128,000 digital I/O points.

Key Specifications

• User Memory: 8 MB
• I/O Memory: 0.98 MB
• Digital I/O (Max): 128,000
• Analog I/O (Max): 4,000
• Optional Nonvolatile Memory: 1 GB, 2 GB
• Current Draw @ 5.1V DC: 800 mA
• Power Dissipation: 2.5 W
• Weight: 0.26 kg (0.57 lb)

Advanced Features

• Isolation Voltage: 30V continuous
• USB Port: 1 (12 Mbps)
• Thermal Dissipation: 8.5 BTU/hr
• Compliant Standards: IEC/UL 61010-1
• Slot Width: 1
• Temperature Code: T4
• Operating Temperature Range: -20 to 70 °C
• Wire Category: 3 (on USB ports)

Additional Insights

• Max Power Supply: 1756-PAXT, 1756-PA30XT
• Redundant Power Supply: 1756-PAXTR
• Chassis for Extended Temp: 1756-A7XT, 1756-A10XT
• System Compatibility: Works with all ControlLogix XT components

FAQ

Q1: What is the operating temperature range of the 1756-L73XT?

The 1756-L73XT operates from -20°C to 70°C with T4 temperature code, making it ideal for extreme environments.

Q2: How much user memory does the 1756-L73XT have?

It features 8 MB user memory and 0.98 MB I/O memory, with optional 1GB or 2GB nonvolatile storage.

Q3: What power supplies and chassis are compatible with this controller?

Compatible power supplies include 1756-PAXT, 1756-PA30XT, and 1756-PAXTR for redundancy. Recommended XT chassis are 1756-A7XT and 1756-A10XT.