

The ALLEN-BRADLEY 1756-IF6I is a high-performance analog input module engineered for demanding industrial automation applications within the Rockwell Automation ControlLogix platform. This module features six isolated differential input channels, each providing 16-bit resolution and selectable voltage or current ranges, making it ideal for precise measurement of sensors, transmitters, and process signals. With galvanic isolation between channels and the backplane, the 1756-IF6I ensures reliable data acquisition even in electrically noisy environments such as power generation, oil and gas, or heavy manufacturing. Its hot-swappable design and compatibility with redundant power supplies allow for continuous operation without system downtime. The module includes comprehensive diagnostic capabilities, including over-range, under-range, and open-circuit detection, all accessible via the ControlLogix backplane for seamless integration into your control strategy.
| Parameter | Specification |
|---|---|
| Part Number | 1756-IF6I |
| Module Type | Analog Input Module |
| Number of Channels | 6 (isolated differential) |
| Input Resolution | 16 bits |
| Voltage Input Ranges | ±10V, ±5V, ±2.5V, 0-10V, 0-5V |
| Current Input Ranges | 4-20mA (requires external 250Ω resistor) |
| Isolation | 250V continuous, channel-to-channel and channel-to-backplane |
| Input Impedance | Voltage: >1 MΩ; Current: 250Ω (external) |
| Common Mode Rejection Ratio (CMRR) | >90 dB Standard Models 60 Hz |
| Normal Mode Rejection (NMR) | >60 dB Standard Models 60 Hz |
| Update Rate | Selectable: 10 ms to 500 ms per channel |
| Accuracy | ±0.1% of full scale at 25°C |
| Temperature Drift | ±50 ppm/°C |
| Backplane Current Draw | 5.1V: 150 mA; 24V: 3 mA |
| Power Dissipation | 4.5 W maximum |
| Operating Temperature | 0°C to +60°C (32°F to +140°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Relative Humidity | 5% to 95% non-condensing |
| Indicators | Channel status (green/red), module status (green/red), fault LED |
| Module Location | ControlLogix chassis (1756-A4/A7/A10/A13/A17) |
| Compatible Software | RSLogix 5000, Studio 5000 Logix Designer (v20 or later) |
| Certifications | UL, CE, C-Tick, ATEX (Zone 2), Class I Division 2 |
| Weight | Approximately 0.35 kg (0.77 lb) |
| Shipping Dimensions | 10 cm x 8 cm x 6 cm (3.94 in x 3.15 in x 2.36 in) |

What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22