Allen‑Bradley 1794-IB16 – Digital Input Module

Specifications

• Number of Input Points: 16 single-ended digital inputs
• Input Type: Sink (NPN)
• Rated Input Voltage: 24 VDC (10–31.2 VDC operating range)
• Input Current: 8 mA nominal per channel
• Response Time: 1 ms typical filter delay
• Backplane Current Draw: 120 mA @ 5 VDC
• Power Consumption: 1.8 W max
• Terminal Base Compatibility: 1794-TB2, 1794-TB3, 1794-TB3S
• Status Indicators: Individual LED for each input channel + module OK LED
• Operating Temperature: 0 °C to +60 °C
• Humidity: 5%–95% RH, non-condensing
• Mounting: DIN rail via FLEX I/O terminal base
• Dimensions: 134 × 40 × 87 mm
• Weight: Approx. 0.15 kg
• Certifications: UL/cULus, CE

Key Features

• 16 isolated sink inputs for standard 24VDC industrial sensors
• Individual channel status LEDs simplify on-site fault checking
• Built-in input noise filter to suppress transient signal interference
• Hot-swappable module for maintenance without system shutdown
• Fully compatible with 1794-AENTR EtherNet/IP remote adapter
• Modular split design (module + terminal base) for flexible wiring layout

Applications

• Digital signal collection from proximity sensors, photoelectric switches, limit switches
• Machine status feedback, conveyor position detection, safety signal monitoring
• Discrete manufacturing, packaging, automotive and general factory automation