1756-L73SXT

Overview

• Product type designation: GuardLogix-XT 5570 Safety Controller
• Model: 1756-L73SXT
• Description: Extended Temperature (XT) safety controller with 8 MB user memory and 4 MB safety memory, designed for harsh environment safety applications
• Controller tasks: 32 tasks (including continuous, periodic, and event task combinations), up to 1000 programs per task

Memory

• User memory: 8 MB
• Safety memory: 4 MB
• I/O memory: 0.98 MB
• Non-volatile memory: 1 GB Secure Digital (SD) card (1784-SD1), factory pre-installed in the controller

I/O Capacity

• Digital I/O, max: 128,000
• Analog I/O, max: 4,000
• Total I/O, max: 128,000

Energy Storage Modules

• 1756-ESMCAPXT: Capacitor energy storage module (extended temperature, removable, factory standard with each controller)
• 1756-ESMNSEXT: Capacitor energy storage module (extended temperature, removable, without backup WallClockTime power)

Power and Dissipation

• Current draw @ 1.2V DC: 5 mA
• Current draw @ 5.1V DC: 800 mA
• Power dissipation: 2.5 W
• Thermal dissipation: 8.5 BTU/hr
• Isolation voltage: 30V continuous (basic insulation, USB port to backplane, tested per IEC/UL 61010-1)

Physical Specifications

• Slot width: 2 (requires 2 modules, each occupying one slot)
• Module mounting location: Rack-based, any slot
• Weight: Approx. 0.25 kg (0.55 lb)

Compatible Chassis

• Extended temperature applications: 1756-A7XT, 1756-A10XT (Series C)
• Low temperature and corrosive gas environments only: 1756-A4K, 1756-A7K, 1756-A10K, 1756-A13K, 1756-A17K

Compatible Power Supplies

• Standard power supplies: 1756-PA7XT, 1756-PA10XT, 1756-PB7XT, 1756-PB10XT
• Redundant power supplies: 1756-PA7XT, 1756-PB7XT

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