Description
Allen-Bradley 1746-IO4 SLC 500 Combination I/O Module
The Allen-Bradley 1746-IO4 is a versatile combination I/O module for the SLC 500 series. It integrates two inputs and two outputs in a single slot, saving space in your control cabinet. For complete wiring diagrams and installation procedures, download the technical manual here.
Key Technical Specifications
Brand: Allen-Bradley
Model: 1746-IO4
Module Type: Digital Combination I/O Module
Input Channels: 2 (120V AC)
Output Channels: 2 (Relay Contact)
Input Voltage Range: 85-132V AC (47-63 Hz)
Output Switching: 5-265V AC or 5-125V DC
Output Current Rating: 1.5A (120V AC), 1.2A (24V DC)
Backplane Current: 30 mA at 5V DC, 25 mA at 24V DC
Response Time: 35-45 milliseconds
Power Dissipation: 0.27W per input channel
Environmental & Mechanical Ratings
Operating Temperature: -25°C to 60°C (-13°F to 140°F)
Storage Temperature: -40°C to 85°C (-40°F to 185°F)
Humidity Range: 5% to 95% (non-condensing)
Operating Shock: 10G
Vibration Immunity: 0.015 inches at 5-57 Hz
Terminal Connection: Accepts two 14 AWG (2 mm²) wires
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