FlexLogix Controller 1794-L34 | Allen-Bradley Flex I/O Module

Product Description

The 1794-L34 is a Flex I/O controller from Allen-Bradley, designed for efficient distributed control and reliable system integration. Compact yet powerful, it supports extended I/O connections and DIN rail or panel mounting, making it ideal for modular industrial setups.

Key Features and Specifications:

• Controller Type: FlexLogix / Flex I/O

• Part Number: 1794-L34

• User Memory: 512 KB

• Nominal Voltage: 24V DC (range 19.2–31.2 VDC)

• Input Current: Max 0.85A at 24V DC

• Backplane Current: 653 mA at 5.1V DC maximum

• Power Dissipation: 25.5 W at 19.2V; 20.4 W at 24V DC

• Thermal Dissipation: 87 BTU/hr at 19.2V

• Isolation Voltage: 30V DC continuous, tested up to 850V DC for 60 s

• Mounting Options: DIN Rail (steel 35 x 7.55mm, AB 199-DR1 / 46277-3) or Panel mount

• Flexbus Cable Support: 1 ft (1794-CE1) and 3 ft (1794-CE3)

• Power Connector Torque: 0.6–0.8 N·m

• Operating Temperature: 0–60°C

• Storage Temperature: -40–85°C

• Weight: 1.69 lbs (0.77 kg)

Applications:

• Distributed control for modular manufacturing systems

• Remote I/O management for automation panels

• Process monitoring with extended local I/O

FAQ / Notes:

• Compatible with Allen-Bradley Flex I/O modules and FlexBus cabling

• DIN rail mounting recommended for ease of installation

• Memory expansion not supported; 512 KB onboard