Allen-Bradley 1769-OF5 CompactLogix Analog Expansion Output Module

Availability: 99 left in stock

Allen-Bradley 1769-OF5 CompactLogix Analog Output Module The Allen-Bradley 1769-OF5, also cataloged as the 1769-OF5 Analog Output Module, operates as a...

SKU: 1769-OF5

Manufacturer: Allen Bradley
Product No.: 1769-OF5
Product Type: Analog Output Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 280g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Allen-Bradley 1769-OF5 CompactLogix Analog Output Module

The Allen-Bradley 1769-OF5, also cataloged as the 1769-OF5 Analog Output Module, operates as a dedicated hardware component for mixed-signal digital-to-analog signal generation within CompactLogix and MicroLogix 1500 control networks. The hardware features a unique five-channel electrical architecture designed to drive actuators, valves, and motor speed controllers via concurrent voltage or current loop outputs.

Hardware Specifications

Parameter	Specification
Model	1769-OF5
Brand	Allen-Bradley / Rockwell Automation
Origin	USA
Weight	0.28 kg (0.61 lbs)
Dimensions	118 x 35 x 87 mm (H x W x D)
Operating Temp	0 to 60 deg C
Power Consumption	3.61 W maximum
Backplane Current Draw	120 mA @ 5.1 VDC, 160 mA @ 24 VDC
Output Channels	5 total (4 configurable voltage/current, 1 dedicated current-only)
Voltage Output Ranges	+/-10 VDC, 0-10 VDC, 0-5 VDC, 1-5 VDC
Current Output Ranges	0-20 mA, 4-20 mA
Resolution	15 bits unipolar, 14 bits plus sign bipolar
Conversion Rate	2.5 ms per channel (concurrent execution)
Step Response	2.9 ms to 95% of full scale
Output Impedance	< 15 Ohm (Voltage Mode), > 1 MOhm (Current Mode)
Load Range	0-500 Ohm (Current), > 1000 Ohm (Voltage)
Power Supply Distance	8 modules maximum distance rating

Deterministic Local Bus and Firmware Parameterization

The module relies on deterministic backplane bus communication velocity to update analog registers concurrently across its 5-channel matrix. All range selections, scaling factors, and fault actions are established via software parameters in RSLogix 500 or Studio 5000, eliminating manual jumper positioning. Internal firmware flash compatibility guarantees proper runtime synchronization with the host processor's peripheral map, enabling I/O density scaling routines to run seamlessly while managing hardware-enforced diagnostic status bits.

Frequently Asked Questions

Q: How does the module react if the local CompactLogix controller transitions to Program Mode or suffers a communication fault?

A: The module executes a predefined safe-state sequence based on software configuration. Each channel can be independently programmed to either "Hold Last State" or transition immediately to a "User-Defined Safe Value" to protect connected field hardware during host CPU runtime interruptions.

Q: What are the physical constraints regarding the slot placement of the module relative to the system power supply?

A: The hardware has a power supply distance rating of 8 modules. It must be installed within 8 slots of a local 1769 power supply module on the backplane assembly to prevent excessive voltage drops across the internal distribution rails.

Q: Can an open-circuit fault on the dedicated current loop be detected automatically by the hardware?

A: Yes. The module features onboard open-circuit detection for current configurations and short-circuit protection for voltage loops. Disrupted loops trigger specific diagnostic bits in the controller's I/O image table for real-time fault tracking.

Field Installation Guidelines

Mount the module securely to a grounded DIN-rail or directly onto a panel enclosure backplate. Maintain a clean 50 mm clearance zone around the module housing to allow adequate vertical convection airflow, keeping the operating temperature within the specified 0 to 60 deg C limit.

Field wiring must terminate into the provided Removable Terminal Block (RTB), allowing physical module replacement without disconnecting individual field wires. Use individual shielded, twisted-pair cables for each analog loop to suppress electrical noise. Connect cable shields exclusively to the designated chassis ground point at the enclosure bulkhead, and isolate these signal runs from high-voltage AC conductors or variable speed drive output cables.

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