Module Description
The Allen-Bradley 1769-IF4I is a 4-channel isolated differential analog input module designed for Compact I/O systems. It provides high-accuracy signal acquisition for both voltage and current inputs, ensuring clean measurement and noise immunity. Moreover, its reinforced channel isolation prevents ground loops, which significantly improves system reliability in industrial environments.
This module supports multiple input types such as ±10V, 0–10V, 0–5V, and 4–20mA, making it adaptable across diverse control applications. Therefore, engineers can integrate it into complex systems without extensive rewiring or calibration.
Key Advantages
- High Precision: 16-bit resolution ensures smooth analog signal conversion and superior control accuracy.
- Strong Isolation: Reinforced insulation between channels and system logic enhances electrical protection.
- Versatile Inputs: Handles both voltage and current ranges, supporting ±10V or 4–20mA configurations.
- Compact Design: Fits up to 8 modules from the power supply, optimizing control cabinet space.
- Reliable Diagnostics: Built-in LEDs and status reporting simplify maintenance and reduce downtime.
- Industrial Compliance: Meets UL, CE, and CSA standards for industrial automation safety.
In addition, its low drift and fast conversion speed make it ideal for precision measurement in process control systems.
Technical Specifications
| Category | Specification |
|---|---|
| Input Channels | 4 isolated differential |
| Input Types | Voltage: ±10V, 0–10V, 0–5V, 1–5V; Current: 0–20mA, 4–20mA |
| Resolution | 16-bit (unipolar), 15-bit with sign |
| Accuracy | ±0.2% (Voltage), ±0.35% (Current) @ 25°C |
| Isolation Voltage | 30V continuous; type-tested at 710V DC for 60 sec |
| Power Supply | 145 mA @ 5V DC, 125 mA @ 24V DC |
| Heat Dissipation | 3.0 W |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5%–95% non-condensing |
| Vibration / Shock | 5 g, 30 g (panel mount) |
| Certifications | UL, CE, C-UL, Class I Div 2 |
Furthermore, the module includes robust EMC immunity, ensuring performance under ESD, surge, and conducted disturbance tests according to IEC standards.
Typical Use Cases
The 1769-IF4I module is widely used in:
- Process automation systems requiring accurate analog signal acquisition.
- Industrial monitoring equipment where channel isolation eliminates cross-talk and ground faults.
- Factory automation with multiple analog sensors or control loops.
- SCADA and DCS systems for reliable analog data collection.
Because of its superior noise immunity and compact footprint, it fits perfectly in distributed I/O architectures and panel-mounted control systems.
Details
| Weight | 0.3 kg |
|---|
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