Product Overview

The Allen-Bradley 1769-IF4XOF2 is a versatile analog combination module designed for the CompactLogix™ and MicroLogix™ 1500 controller families. This "combo" module integrates both input and output capabilities into a single-slot footprint, providing 4 analog input channels and 2 analog output channels. It is an ideal solution for small-to-medium scale automation tasks where panel space is at a premium and a mix of sensing and control signals is required.

Utilizing an 8-bit resolution architecture, the 1769-IF4XOF2 excels in general-purpose applications such as basic speed control, simple temperature monitoring, and level sensing. While specialized for cost-effectiveness, the module maintains industrial-grade reliability with high noise immunity and robust signal isolation.

Input and Output Performance Characteristics

The 1769-IF4XOF2 supports standard industrial signal ranges, allowing for seamless integration with a wide variety of field transmitters and actuators.

• Configurable Analog Inputs: The four input channels can be wired as either single-ended or differential inputs. Differential wiring is highly recommended for environments with significant electrical noise to ensure signal stability.

• Dual Analog Outputs: Two channels provide precise voltage or current command signals to final control elements like variable frequency drives (VFDs) or proportional valves.

• High-Speed Response: The output DAC provides a rapid response time of 0.3ms for resistive loads, ensuring tight control in dynamic processes.

• Successive Approximation ADC: The module utilizes successive approximation technology for input conversion, ensuring a consistent and reliable data stream for the PLC processor.

Technical Specifications

• Manufacturer: Allen-Bradley (Rockwell Automation)

• Model Number: 1769-IF4XOF2

• Inputs: 4 Channels (Differential or Single-Ended)

• Outputs: 2 Channels (Single-Ended)

• Signal Ranges: 0–10V DC, 0–20 mA

• Resolution: 8-Bit

• Input Accuracy: ±0.7% Full Scale (Voltage), ±0.6% Full Scale (Current)

• Output Accuracy: ±0.5% Full Scale

• Backplane Current: 120 mA @ 5.1V DC; 60 mA @ 24V DC

• Load Requirements: >1kΩ (Voltage Output); <300Ω (Current Output)

• Operating Temperature: 0°C to 60°C (32°F to 140°F)

• Dimensions: 11.8 x 3.5 x 8.7 cm

• Weight: 0.29 kg (approx. 0.64 lbs)

Industrial Integration and Reliability

• System Versatility: Compatible with any CompactLogix system, supporting up to 8 modules per power supply bank depending on the total current draw.

• Status Monitoring: A front-panel LED provides immediate visual status of the module’s health and communication integrity with the controller.

• Rugged Construction: Designed to withstand 30g of operational shock and 5g of vibration, making it suitable for mounting directly on machinery.

• Removable Terminal Block: Facilitates easy module replacement without disconnecting individual field wires, reducing maintenance downtime.