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The 1769-IF4XOF2 (Part Number: 1769-IF4XOF2) is a versatile "Combo" module designed for Allen-Bradley CompactLogix and MicroLogix 1500 platforms. By integrating both analog inputs and analog outputs into a single-slot width, this module provides a highly cost-effective solution for applications with limited I/O requirements or restricted panel space. It is specifically engineered for non-critical process variables where standard resolution is sufficient for effective control.
This module features four analog input channels that can be wired as either single-ended or differential inputs, allowing for flexibility in sensor integration and noise rejection. Complementing the inputs are two analog output channels capable of driving final control elements like small actuators or speed references for variable frequency drives. With its simplified architecture, the 1769-IF4XOF2 is an excellent entry-level analog module for general-purpose automation tasks.
| Specification | Details |
|---|---|
| Module Type | Analog Input/Output Combination |
| Input Channels | 4 Single-ended or Differential |
| Output Channels | 2 Single-ended |
| Resolution | 8-bit (Low resolution for non-critical applications) |
| Backplane Current Draw | 120 mA at 5.1V DC; 120 mA at 24V DC |
| Power Consumption | 3.5 Watts maximum |
| Isolation Voltage | 30V (continuous) field-to-bus; tested at 500V AC for 60 seconds |
| Input Impedance | Voltage = 1MΩ; Current = 250Ω |
| Load Range (Output) | Voltage > 1kΩ; Current 0 to 300Ω |
| Mounting | DIN Rail or Panel Mount |
| Dimensions | 118 mm x 35 mm x 87 mm |
| Weight | 0.43 kg |
The 1769-IF4XOF2 is ideal for basic level monitoring, manual speed pot integration, and general status indication. It is frequently used in secondary control loops where extreme precision (such as 16-bit resolution) is not required, such as:
Monitoring humidity in a warehouse
Controlling a simple damper actuator
What is the benefit of the combo design?
The combo design allows you to handle both sensing and control tasks (e.g., reading a pressure sensor and controlling a valve) using only one slot on the PLC backplane, reducing both hardware costs and footprint.
Does this module support a 4-20mA signal?
While the hardware range is 0-20mA, you can easily scale a 4-20mA signal within your PLC logic (Studio 5000 or RSLogix 500). Note that since this is an 8-bit module, the granularity of the signal will be lower than that of high-resolution specialty modules.