Allen-Bradley 1746-IC16 Digital DC Input Module

Allen-Bradley 1746-IC16 Digital DC Input Module Overview

Key Technical Specifications

• Manufacturer & Brand: Allen-Bradley
• Series & Model: SLC 500 Series | 1746-IC16 DC Input Module
• Input Type: Sixteen (16) Sinking Input Channels
• Operating Voltage Range: 30 to 55 Volts DC @ 60°C (30-60V DC @ 55°C)
• Nominal Voltage: 48V DC
• Signal Response Time: 4 milliseconds (ON and OFF)
• Backplane Current: 85 milliamps (0.085A) at 5V DC
• Nominal Input Current: Approximately 4.1 mA at 48V DC
• Off-State Leakage Current: Maximum of 1.5 mA

Performance & Safety Certifications

• This module is certified for Class 1, Division 2 hazardous locations (Groups A, B, C, D).
• It features a very fast 4ms response time for precise input sensing.
• It provides strong 1500V AC isolation between the backplane and input circuits.
• The module is built to endure a 30G operational shock rating.
• Its operating temperature range is 32 to 140 degrees Fahrenheit (0 to 60°C).

Installation & Compatibility

• The 1746-IC16 installs in a single slot of any compatible SLC 500 1746 chassis.
• It utilizes a Removable Terminal Block (RTB) for easier wiring and maintenance.
• Field device connections are made via standard 1746-HT or 1746-HCA I/O wiring arms.
• Ensure your DC power supply is within the specified 30-55V DC range for reliable operation at temperature.
• This module is intended for general-purpose 48V DC input applications.

Frequently Asked Questions (FAQ)

• Q: What is the nominal voltage for this input module?
  A: The 1746-IC16 is designed for 48V DC systems, with an operating range of 30-55V DC.
• Q: Does it have hazardous location certification?
  A: Yes, it is approved for Class 1, Division 2, Groups A, B, C, D hazardous environments.
• Q: How fast is the input response time?
  A: It offers a very quick 4-millisecond response time for both ON and OFF signals.
• Q: What is the advantage of the Removable Terminal Block (RTB)?
  A: The RTB allows you to wire the module away from the chassis and simplifies maintenance and replacement.
• Q: What are the shipping and return terms?
  A: We ship within 5 days via major carriers and offer a 30-day return period for your satisfaction.