Description

Allen-Bradley 1769-OF5 Analog Output Module

The Allen-Bradley 1769-OF5, also cataloged as the 1769-OF5 Analog Output Module, operates as a dedicated hardware component for converting controller digital values into voltage and current output signals within CompactLogix and Compact I/O systems.

Hardware Specifications

Parameter	Specification
Model	1769-OF5
Brand	Allen-Bradley
Product Type	Analog Output Module
Series	Compact I/O / 1769 Series
Origin	USA
Operating Temp	0 deg C to 60 deg C
Power Consumption	120 mA at 5 VDC; 170 mA at 24 VDC
Output Channels	5 configurable analog outputs
Output Type	Voltage and current output
Output Configuration	Single-ended or differential
Voltage Output Range	0 to 10 VDC, +/- 10 VDC
Current Output Range	0 to 20 mA, 4 to 20 mA
Resolution	15 bit
Voltage Resolution	Approximately 320 uV/count across +/- 10 VDC
Current Resolution	Approximately 0.64 uA/count across 0 to 20 mA
Isolation Rating	30 V continuous basic insulation
External Power Supply	24 VDC user supply required for current output loops
Enclosure Type	Open style (IP20)
Controller Compatibility	CompactLogix 1768/1769 systems and distributed I/O configurations using compatible adapters

EtherNet/IP and CompactLogix Integration Features

The 1769-OF5 operates as a Compact I/O analog output device within Allen-Bradley control architectures. It exchanges output data through the controller backplane communication interface and transfers processed digital values into proportional field control signals.

The module supports EtherNet/IP based system architectures when installed through compatible CompactLogix platforms and communication adapters. Therefore, it can participate in deterministic industrial networks where controller scan timing, I/O density scaling, and firmware compatibility influence system configuration.

The analog output channels provide direct electrical interfaces for field devices, including proportional valves, VFD speed references, actuators, and analog instrumentation equipment.

Frequently Asked Questions

Q: Does the 1769-OF5 require an external 24 VDC supply?
A: Yes. The module requires an external 24 VDC user supply for current output loop operation and related module functions.

Q: Can the 1769-OF5 generate both voltage and current signals?
A: Yes. Each configurable output supports voltage ranges of 0 to 10 VDC and +/- 10 VDC, along with current ranges of 0 to 20 mA and 4 to 20 mA.

Q: Is the 1769-OF5 designed for hot-swapping during operation?
A: The module does not support unrestricted hot-swapping. Installation and removal should follow Allen-Bradley Compact I/O power isolation procedures to prevent backplane or field wiring faults.

Field Installation Guidelines

Install the 1769-OF5 on a compatible CompactLogix or Compact I/O mounting system according to the controller hardware manual.

Before wiring, remove field power from connected analog devices. Use shielded signal cables for analog current and voltage loops to reduce electrical interference.

Connect cable shields according to the system grounding design. Avoid routing analog signal wiring parallel with high-current motor cables, VFD output cables, or switching power conductors.

Verify output signal polarity before connecting field devices. Confirm the selected voltage or current range matches the configured controller output data scaling.

Maintain proper module spacing, enclosure protection, and environmental conditions according to the applicable Allen-Bradley installation requirements.

Specifications

• Brand: Allen Bradley

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems