1756-IFI6 | Allen-Bradley | ControlLogix Isolated Analog Input
Manufacturer: Allen Bradley
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Part Number: 1756-IFI6/A
Condition：New with Original Package
Product Type: Analog Input Module
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Allen-Bradley 1756-IFI6 ControlLogix 6-Point Isolated Analog Input Module Series A
Product Description
The Allen-Bradley 1756-IFI6 (Series A) is a precision-engineered 6-channel isolated analog input module designed for the ControlLogix 1756 chassis system. This module is specifically developed for high-stakes industrial environments where signal interference and ground loops can compromise data integrity. Each of the six channels is individually isolated, providing a robust electrical barrier that protects the ControlLogix backplane and prevents cross-talk between field devices powered by different sources.
Supporting both voltage and current signals, the 1756-IFI6 offers high-resolution 16-bit analog-to-digital conversion. It is compatible with a wide array of field instrumentation, including transmitters for flow, temperature, and pressure. Its per-point isolation feature is rated for 250V continuous, ensuring that an electrical fault on one field circuit does not propagate to adjacent channels or the main controller. The module also features advanced diagnostics, including "In Calibration" and "Module Health" status indicators, facilitating rapid troubleshooting and maintenance on the factory floor.
Technical Specifications
Detailed hardware parameters and operational limits for the 1756-IFI6:
| Parameter | Specification Details |
| Model Number | 1756-IFI6 (Series A) |
| Module Type | Isolated Analog Input Module |
| Number of Inputs | 6 Individually Isolated Channels |
| Input Signal (Voltage) | ±10V, 0–10.5V, 0–5.25V |
| Input Signal (Current) | 0–21 mA, 4–20 mA |
| Resolution | 16-Bit |
| Accuracy | ±0.1% of Full Scale |
| Channel Isolation | 250V Continuous (Channel-to-Channel) |
| Input Impedance | Voltage: >1 MΩ; Current: 249 Ω |
| Backplane Current | 150 mA @ 5.1V DC; 40 mA @ 24V DC |
| Power Dissipation | 1.7 Watts |
| Indicators | Module Health, In Calibration, Channel Status LEDs |
| Dimensions | 145 x 35 x 140 mm |
| Installation | Single-slot; Requires 1756-TBCH or 1756-TBNH RTB |