Products Description
Allen‑Bradley 1756-IF16 ControlLogix Analog Input Module in stock
Allen‑Bradley 1756-IF16 is a 16-channel analog input module for Rockwell ControlLogix PLC platform. It receives voltage and current analog signals from field transmitters and sensors, converting them into digital data for Logix controller processing.


This module supports single-ended or differential wiring modes with 16-bit high resolution. It is widely used in process industries for measuring temperature, pressure, flow and level signals, and is a common spare part for ControlLogix automation systems.
Main Specifications
| No. | Item | Parameter |
|---|---|---|
| 1 | Brand | Allen‑Bradley (Rockwell Automation) |
| 2 | Model | 1756-IF16 |
| 3 | Module Type | Analog Input Module |
| 4 | System Platform | ControlLogix PLC System |
| 5 | Channels | 16 analog input channels |
| 6 | Input Signal Range | ±10V, 0~10V, 0~5V, 0~20.5mA |
| 7 | Resolution | 16-bit |
| 8 | Terminal Block | 36-pin removable terminal block (1756-TBCH) |
Core Functions
| No. | Function Description |
|---|---|
| 1 | Collect analog current/voltage signals from field sensors, pressure transmitters and flow meters |
| 2 | Convert analog field signals into digital values and transmit data to ControlLogix CPU via backplane |
| 3 | Support single-ended or differential wiring to reduce industrial electromagnetic interference |
| 4 | Built-in channel diagnostics, detect wire break, overrange and module fault status |
| 5 | LED indicators for module health, calibration status and channel fault alarm |
Application Scenarios
| No. | Application |
|---|---|
| 1 | Oil & gas, chemical, water treatment process control systems |
| 2 | Power plant, metallurgy, cement factory continuous process monitoring |
| 3 | Food, pharmaceutical manufacturing temperature and pressure monitoring |
| 4 | ControlLogix PLC cabinet analog signal acquisition expansion |
| 5 | Automation project upgrade, spare parts replacement and field maintenance |
FAQ
| No. | Question & Answer |
|---|---|
| 1 | Q:What is 1756-IF16? A:It is 16-channel analog input module for Allen‑Bradley ControlLogix PLC, used to read voltage and current analog signals from field transmitters. |
| 2 | Q:Does 1756-IF16 support HART? A:Standard 1756-IF16 does not support HART protocol. Select 1756-IF16H for HART-enabled version. |
| 3 | Q:What terminal block is needed? A:It requires 36-pin terminal block such as 1756-TBCH for field wiring connection. |