Description
Allen-Bradley 1756-L8SP Programmable Automation Communication Controller Module
The Allen-Bradley 1756-IF8 is a versatile analog input module designed to serve as the critical interface between industrial sensors and ControlLogix automation systems. As a foundational component of Rockwell Automation’s ControlLogix platform, this module converts continuous analog signals from devices like pressure transducers, temperature sensors, and flow meters into digital data that controllers can process—enabling precise monitoring and control of industrial processes. For system integrators and plant engineers, the Allen-Bradley 1756-IF8 delivers the flexibility to handle diverse signal types across multiple applications, making it a staple in modern manufacturing and process control environments.
| Label | Specification |
|---|---|
| Model Number | 1756-IF8 |
| Brand | Allen-Bradley (Rockwell Automation) |
| Type | ControlLogix Analog Input Module |
| Number of Channels | 8 Configurable Channels |
| Input Ranges | Voltage: ±10V, 0–10V, 0–5V; Current: 0–20mA, 4–20mA |
| Resolution | 15-bit (±10V); 16-bit (other ranges) |
| Operating Temp | 0–60°C (32–140°F) |
| Communication Method | ControlLogix Backplane Interface |
| Mounting | ControlLogix Chassis Slot (1756 Series) |
| Weight | 0.34 kg (0.75 lbs) |
| Certifications | IECEx, FM Approved, Australian RCM |
| Noise Rejection | >90 dB @ 50/60Hz (with 10Hz filter) |
| ADC Type | Sigma-Delta (24-bit converter) |
| Input Isolation | Channel-to-Backplane Isolation |
In automotive manufacturing, the Allen-Bradley 1756-IF8 monitors hydraulic pressure in robotic welding cells and temperature in paint curing ovens. The module’s high resolution (16-bit for most ranges) captures subtle variations in these parameters, allowing the control system to detect potential equipment wear before it causes unplanned downtime. By integrating seamlessly with SCADA systems, the Allen-Bradley 1756-IF8 ensures that process data is available for both real-time control and historical analysis, supporting predictive maintenance strategies and continuous improvement initiatives in industrial automation environments.
Compatible and Related Models
- 1756-OF8: A complementary analog output module that works with the 1756-IF8 to create closed-loop control systems, ideal for valve positioning and variable speed drive control.
- 1756-L8SP: The ControlLogix high-performance controller that processes data from the 1756-IF8, enabling complex logic and motion control in large-scale systems.
- 1756-IF8IHK: A HART-enabled variant of the 1756-IF8 with advanced diagnostic capabilities, perfect for smart sensor networks in chemical processing.
- 1756-ENBT: An Ethernet/IP communication module that connects the ControlLogix chassis (housing the 1756-IF8) to plant-wide networks for remote monitoring.
- 1756-TBCH: The terminal block required for wiring sensors to the 1756-IF8, featuring screw-clamp connections for secure signal transmission.
- 1756-IB16: A 16-point digital input module that pairs with the 1756-IF8 to handle both analog and discrete signals in mixed industrial environments.
- 1756-A17: A 17-slot ControlLogix chassis that accommodates the 1756-IF8 alongside other modules, providing a centralized platform for system integration.
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