1756-IF16/A ControlLogix Analog Input Module | Allen-Bradley

Overview
The 1756-IF16/A from Allen-Bradley is a high-precision analog input module designed for ControlLogix systems. It supports flexible input configurations and multiple analog signal types, making it suitable for industrial process control and monitoring applications.

Technical Specifications

• Brand & Model: Allen-Bradley 1756-IF16/A

• Product Type: ControlLogix Analog Input Module

• Number of Inputs: 16 single-ended, 8 differential, or 4 high-speed differential channels

• Analog Signal Compatibility: ±10 V, 0–10 V, 0–5 V, 0–20 mA

• Resolution:

• ±10.25 V: 320 µV/count (15-bit + sign, bipolar)

• 0–10.25 V: 160 µV/count (16-bit)

• 0–5.125 V: 80 µV/count (16-bit)

• 0–20.5 mA: 0.32 µA/count (16-bit)

• Settling Time: <80 ms to 5% full scale

• Scan Times:

• 16 pt single-ended: 16–488 ms

• 8 pt differential: 8–244 ms

• 4 pt high-speed differential: 5–122 ms

• Backplane Current Draw:

• 5.1 VDC: 150 mA

• 24 VDC: 65 mA

• Total Backplane Power: 2.33 W

• Module Conversion Method: Sigma-Delta

• Data Format: Integer mode (left-justified, 2’s complement) or IEEE 32-bit floating point

• Maximum Input Current (Off-State): 1.5 mA

• Power Dissipation: 2.3 W (voltage mode), 3.9 W (current mode)

• Removable Terminal Blocks: 1756-TBCH, 1756-TBS6H

• Module Weight: 0.23 kg

Applications
The 1756-IF16/A module is optimized for precise analog data acquisition in ControlLogix systems. It is ideal for applications requiring multiple input configurations, high-resolution measurement, and reliable integration with industrial control networks.

FAQ

Q: Can this module handle both voltage and current inputs?
A: Yes, it supports ±10 V, 0–10 V, 0–5 V, and 0–20 mA signals.

Q: What backplane voltage is required for operation?
A: The module operates on both 5.1 VDC (150 mA) and 24 VDC (65 mA) backplane supply.

Q: Are there removable terminals available for this module?
A: Yes, compatible removable terminal blocks are 1756-TBCH and 1756-TBS6H.