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Allen-Bradley 1769-IF4FXOF2F CompactLogix Analog Combination I/O Module

The Allen-Bradley 1769-IF4FXOF2F, also cataloged as the 1769-IF4FXOF2F Analog Combination I/O Module, provides fast analog signal acquisition and output execution within CompactLogix 1769 Compact I/O systems.

Hardware Specifications

Parameter	Specification
Model	1769-IF4FXOF2F
Brand	Allen-Bradley
Origin	USA
Product Type	Analog Combination I/O Module
Product Series	CompactLogix 1769 Compact I/O
Module Type	Fast analog input and output combination module
Weight	0.94 lbs (0.43 kg)
Power Consumption	33.6 Watts
Input Channels	4 single-ended / differential analog inputs
Output Channels	2 single-ended analog outputs
Analog Input Range	+/-10 V, 0-10 V, 0-5 V, 1-5 V, 0-20 mA
Analog Input Resolution	14 bits
Analog Output Resolution	13 bits
Converter Type	Delta Sigma
Input Signal Type	Analog voltage and current signals
Terminal Block	Replaceable terminal block
Power Supply Type	External power supply
Module Width	Single slot
Power Supply Distance Rating	8
Backplane Current at 5.1 Volts	90 mA
Backplane Current at 24 Volts	1.4 Amps
Communication Cable	4 Point
Configuration Method	I/O memory mapping

EtherNet/IP and CompactLogix Backplane Integration

The 1769-IF4FXOF2F operates as a CompactLogix 1769 Compact I/O module and exchanges configured I/O data through the controller backplane interface. Therefore, the module supports system-level I/O memory mapping for input acquisition and output command processing.

The module uses Delta Sigma conversion technology to process analog signals. In addition, it provides configurable voltage and current input ranges for different field transmitters and analog devices. The fast input and output channels support applications that require shorter signal update intervals.

The Allen-Bradley CompactLogix platform applies backplane bus communication methods for deterministic I/O data transfer. Furthermore, firmware compatibility and controller configuration tools define module recognition, parameter setup, and operational status monitoring.

Frequently Asked Questions

Q: What analog input signals does the 1769-IF4FXOF2F support?
A: The module accepts +/-10 V, 0-10 V, 0-5 V, 1-5 V, and 0-20 mA analog input signals through four configurable input channels.

Q: Does the 1769-IF4FXOF2F provide both analog input and analog output functions?
A: Yes. The module combines four analog input channels and two analog output channels in one 1769 Compact I/O module.

Q: What power requirements apply to the 1769-IF4FXOF2F?
A: The module requires an external power supply and consumes 90 mA from the 5.1 Volt backplane supply and 1.4 Amps at 24 Volts.

Field Installation Guidelines

Install the 1769-IF4FXOF2F in a compatible 1769 Compact I/O rack position and verify controller configuration before applying field signals.

Use shielded analog wiring for voltage and current signal connections. Connect cable shields according to the control panel grounding practice to reduce electrical noise coupling.

Separate analog signal cables from high-current power conductors, motor wiring, and switching circuits. Maintain correct terminal block wiring according to the module installation documentation.

Verify input signal polarity, output device wiring, and external power supply connections before commissioning. Check I/O memory mapping parameters inside the controller project to confirm correct channel addressing.

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