The Allen-Bradley 1762-IF2OF2 delivers a compact analog solution for your MicroLogix controller. It integrates two differential inputs and two single-ended outputs in one unit. This module handles both voltage and current signals for versatile process control. Its robust design ensures reliable data acquisition in harsh industrial environments.
Product Procurement & Buyer Guide
This guide helps engineers and procurement professionals select the right analog module. The 1762-IF2OF2 serves as a cost-effective expansion for MicroLogix 1100, 1200, and 1400 systems. It combines four analog channels into a single, space-saving package. This eliminates the need for multiple separate modules.
You should choose this module when you need both input and output capabilities. It reads two process variables like flow or pressure. It then controls two modulating devices like valves or drives. This mixed signal support reduces panel space and wiring complexity significantly.
The module offers a 12-bit unipolar resolution for precise signal conversion. It achieves a repeatability of ±0.12% for consistent performance. The operational temperature range is a wide -20 to 65 degrees Celsius. This makes the unit suitable for demanding factory floor applications. The module draws a maximum of only 105 mA at 24 Volts DC. This low bus current draw minimizes strain on your system power supply.
Make sure to verify your system’s current and voltage requirements. The module supports an analog range of 0 to 10 Volts DC and 4 to 20 mA. It can handle a full-scale range of 0 to 10.5 Volts and 0 to 21 mA. The physical dimensions are 90 x 87 x 40 millimeters for easy panel integration. Its weight is just 240 grams for simple mounting on a DIN rail.
Expert Technical Evaluation & Performance Review
This section provides a deep engineering analysis of the module’s core performance metrics. The 1762-IF2OF2 uses a successive approximation converter for its analog inputs. This provides a fast input update time of just 2.5 milliseconds per channel. This speed enables accurate tracking of rapid process changes.
The module offers input voltage protection of ±30 Volts and current protection of ±32 mA. This robust protection guards against accidental miswiring or transient surges. It has an input impedance of 200 kOhms on the voltage terminals. For current inputs, the impedance drops to 250 Ohms for accurate 4-20 mA loop reading. The common mode rejection ratio is 55 dB at 50 to 60 Hertz. This effectively filters out electrical noise from industrial power lines.
Overall accuracy is rated at ±0.55% at full scale across the entire temperature range. At a stable 25 degrees Celsius, accuracy improves to ±0.3% of full scale. The module’s storage temperature range extends from -40 to 85 degrees Celsius. It also operates reliably at altitudes up to 2000 meters without any performance derating. The maximum shock tolerance is a substantial 30G for high-vibration environments.
-20 to 65 °C operating range ensures the module works in extreme conditions. The analog outputs use a resistor string digital-to-analog converter. This provides stable and repeatable output signals for driving actuators. The module reports over-range or under-range conditions via specific bits. This diagnostic capability allows for quick troubleshooting of sensor or wiring faults.
Logistics & Standard Packaging Details
