Module Description
The Allen-Bradley 1756-IF6I is a 6-point isolated analog input module engineered for ControlLogix automation systems. Each input channel is electrically isolated, providing superior noise immunity and reliable data acquisition in demanding industrial environments.
This module supports both voltage and current input signals, enabling flexible integration with transmitters and sensors. Moreover, it offers high-resolution signal conversion through a Sigma-Delta ADC, ensuring precise and stable readings for process control applications.
Functional Highlights
The 1756-IF6I incorporates advanced diagnostic and monitoring capabilities to improve system reliability and data accuracy.
| Feature | Description |
|---|---|
| Channels | 6 isolated analog input channels |
| Input Types | Voltage: ±10.5V, 0–10.5V, 0–5.25V / Current: 0–21 mA |
| Resolution | 16-bit conversion with fine granularity |
| Sampling Method | Sigma-Delta ADC with real-time sampling |
| Data Format | Integer or IEEE 32-bit Floating Point |
| Diagnostics | Wire-off detection, process alarms, and rate alarms |
| Filtering | Digital filters minimize input noise and fluctuations |
| Backplane Power | 5V @ 250 mA, 24V @ 100 mA |
| Power Dissipation | 3.7 W (voltage mode), 4.3 W (current mode) |
| Compatible Terminal Blocks | 1756-TBNH and 1756-TBSH |
In addition, the module supports real-time sampling (RTS), ensuring precise and time-synchronized measurement updates for critical control loops.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | 1756-IF6I |
| System Platform | Allen-Bradley ControlLogix |
| Input Range | ±10.5V, 0–10.5V, 0–5.25V, 0–21mA |
| Resolution | 16 bits |
| Accuracy | ±0.05% of full scale |
| Conversion Type | Sigma-Delta ADC |
| Input Isolation | Channel-to-channel and channel-to-backplane |
| Update Rate | Configurable per channel |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5–95%, non-condensing |
| Mounting | Standard ControlLogix chassis |
Therefore, the 1756-IF6I guarantees precise signal acquisition and dependable long-term operation in harsh industrial environments.
System Integration & Applications
The Allen-Bradley 1756-IF6I integrates seamlessly with ControlLogix controllers and associated I/O systems, making it a versatile choice for process monitoring and control.
Typical Applications Include:
- Process control for temperature, pressure, and flow monitoring
- Industrial automation involving vibration, level, and speed feedback
- Energy and utility systems requiring high signal integrity
- Manufacturing quality control loops and feedback circuits
For instance, the 1756-IF6I often interfaces with transmitters, potentiometers, strain gauges, and other analog sensors, ensuring high-fidelity signal conversion across multiple processes.
Details
| Weight | 0.4 kg |
|---|
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