



The Allen-Bradley 1756-IF8 is a versatile analog input module developed for the ControlLogix platform, designed to deliver accurate and stable analog signal acquisition in industrial automation systems.
Supporting both voltage and current input signals, the 1756-IF8 is widely used in process control, manufacturing automation, and utility applications where precision monitoring is essential. Its flexible channel configuration allows engineers to integrate multiple sensor types into a single module, helping simplify system architecture while maintaining high measurement reliability.
With rugged industrial construction and seamless integration into ControlLogix systems, the 1756-IF8 remains one of the most widely deployed analog input modules in modern automation environments.
Technical Specifications
| Category | Specification |
|---|---|
| Product Type | Analog Input Module |
| Series | ControlLogix 1756 |
| Input Channels | 8 differential / 16 single-ended |
| Supported Signals | Voltage and Current |
| Voltage Input Range | ±10V DC, 0–10V |
| Current Input Range | 0–20 mA, 4–20 mA |
| Resolution | 16-bit |
| Conversion Type | Multiplexed analog-to-digital conversion |
| Isolation | Group isolated |
| Backplane Current | Approx. 250 mA @ 5.1V DC |
| Power Dissipation | Approx. 5.5 W |
| Wiring Category | Analog low-voltage |
| Operating Temperature | 0°C to 60°C |
| Dimensions (H × W × D) | 13.3 × 14.5 × 5.6 cm |
| Weight | Approx. 0.30–0.45 kg |
Recommended Related Models
- 1756-OF8 Analog Output Module (analog process control output)
- 1756-IF16 High-Density Analog Input Module (expanded channel capacity)
- 1756-IR6I RTD Input Module (temperature sensing applications)
- 1756-L83E ControlLogix CPU Module (advanced system controller)
- 1756-EN2T EtherNet/IP Communication Module (industrial networking integration)
Popular Allen Bradley Models
- 1756-IF8 Analog Input Module
- 1756-OF8 Analog Output Module
- 1756-IB16 Digital Input Module
- 1756-L81E ControlLogix 5580 Controller
- 1756-EN2TR Redundant Ethernet Communication Module