1756-L1

Overview

• Product type designation: ControlLogix Controller Module
• Model: 1756-L1
• Description: ControlLogix controller with 64 KB user memory
• Slot width: 1
• Enclosure: Open (open-style)

Memory

• User memory: 64 KB
• Compatible memory modules: 1756-M1, 1756-M2, 1756-M3

Communication

• Communication port: 1 RS232 port
• Communication cable: 1756-CP3

Power and Dissipation

• Backplane current @ 5V: 120 mA
• Backplane current @ 24V: 2 mA
• Power dissipation, max: 4.1 W at 60 °C
• Isolation voltage: 30V continuous

Input Specifications

• Minimum operating current: 2 mA at 10V DC
• Maximum operating current: 3.5 mA at 30V DC
• Maximum input current, off-state: 1.5 mA

Battery

• Battery backup: 1756-BA1, 1756-BA2

Environmental Specifications

• Operating temperature: 0-60 °C (32-140 °F)

Physical Specifications

• Removable terminal blocks: 1756-TBCH, 1756-TBS6H

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