Allen-Bradley 1794-IB16D Digital Input Module | Flex I/O Diagnostics

Allen-Bradley 1794-IB16D Flex I/O Digital Input Module with Diagnostics

Core Technical Specifications

• Brand: Allen-Bradley
• Model: 1794-IB16D
• Product Type: Flex I/O Digital Input Module with Diagnostics
• Input Channels: 16 Sinking Current Inputs
• Electrical Characteristics:
  • Nominal On-State Voltage: 24V DC
  • On-State Current (max): 1.5mA
  • Nominal Input Impedance: 3.1 kΩ
  • Isolation Voltage: 50V Continuous
• Sensor Power:
  • Sensor Power Current: 50mA max.
  • Sensor Power Voltage Drop: 2.2V DC max.
• Power & Thermal:
  • Flexbus Current: 30mA @ 5V DC
  • Max Power Dissipation: 8.5W @ 31.2V DC
  • Max Thermal Dissipation: 29 BTU/hr. @ 31.2V DC

Key Features & Diagnostics

The 1794-IB16D module provides comprehensive monitoring to improve system reliability. Its diagnostic functions help maintain optimal performance.

• Advanced Fault Detection: Identifies disconnected wires, open circuits, and shorted input wiring automatically.
• Power Supply Monitoring: Detects reversed polarity on DC power supplies and open power supply circuits.
• Configurable Filtering: Allows users to adjust input filtering time to match application requirements.
• Comprehensive Indicators: Features 33 status lights including 16 red diagnostic LEDs, 16 yellow ON/OFF LEDs, and 1 red module fault LED.

Frequently Asked Questions (FAQ)

• Q: Is the 1794-IB16D module new and genuine?
  A: Yes, we supply only 100% new and authentic Allen-Bradley 1794-IB16D modules.
• Q: What makes this module different from standard input modules?
  A: The 1794-IB16D includes advanced diagnostic features to detect wiring faults, open circuits, and short circuits automatically.
• Q: What terminal base is required for this module?
  A: You must use either the 1794-TB32 or 1794-TB32S terminal base unit.
• Q: How does the module indicate faults?
  A: It has 33 LEDs: yellow lights for channel status, red lights for diagnostic alerts, and a dedicated red module fault indicator.
• Q: What voltage does it operate at?
  A: It has a nominal operating voltage of 24V DC, with detection typically between 10-32V DC.
• Q: What is your return policy?
  A: We offer a 30-day return policy for unused items in their original packaging.

Contact Information Inquiries: Email us at sales@nex-auto.com or call/message us on +86 153 9242 9628.

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