Allen-Bradley | 1756-IF16 | ControlLogix (1756 Series)

Product Description: Allen-Bradley 1756-IF16

The Allen-Bradley 1756-IF16 is a high-density analog input module designed for ControlLogix systems, offering 16 single-ended channels for voltage or current signals. It supports configurable input ranges per channel and provides high- resolution analog signal acquisition for a wide range of process control applications. This module is ideal for systems requiring compact, cost- effective analog input expansion with reliable accuracy and performance.

Key Features

• 16 single-ended analog input channels
• Supports both voltage and current input types
• User-selectable input ranges per channel:
  • Voltage: 0–10V, ±10V
• 16-bit resolution for precise signal measurement
• Channel-level configuration and diagnostics
• Real-time under/over-range and open circuit detection
• Works with standard ControlLogix RTBs (e.g., 1756-TBCH, 1756-TBNH)

Technical Specifications

• Input Type: Single-ended, voltage or current
• Input Ranges:
  • Voltage: 0–10V, ±10V
• Resolution: 16 bits
• Accuracy: ±0.05% of full scale (typical)
• Input Impedance:
  • Voltage: >1 MΩ
• Isolation Voltage: 250V (backplane to field, no channel-to-channel isolation)
• Backplane Current Draw:
  • 230 mA @ 5.1V DC
• Operating Temperature: 0°C to 60°C
• Mounting: ControlLogix chassis (any I/O slot)
• Certifications: UL Listed, CE, CSA, RoHS, Class I Div 2

Application Areas

• Process instrumentation (flow, temperature, pressure)
• Analog sensor integration in industrial automation
• OEM equipment with high I/O count
• Food & beverage, water treatment, and chemical processing
• Factory-wide analog data acquisition systems

Advantages

• High channel count reduces module and panel space
• Per-channel configuration allows mixed signal types
• High resolution ensures accurate data for control and monitoring
• Integrated diagnostics aid in faster troubleshooting
• Seamless compatibility with Studio 5000 and ControlLogix platforms