1769-OF2 Allen-Bradley Analog Output Module

1769-OF2 Allen-Bradley Analog Output Module | New & Original Stock

Availability: 99 left in stock

Allen-Bradley 1769-OF2 Analog Expansion Module The Allen-Bradley 1769-OF2, also cataloged as the 1769-OF2 Analog Output Module, operates as a dedicated...

SKU: 1769-OF2

Manufacturer: Allen Bradley
Product No.: 1769-OF2
Product Type: Analog Output Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 280g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Allen-Bradley 1769-OF2 Analog Expansion Module

The Allen-Bradley 1769-OF2, also cataloged as the 1769-OF2 Analog Output Module, operates as a dedicated hardware component for variable signal control within CompactLogix and MicroLogix 1500 system platforms. The device executes digital-to-analog conversion sequences across two separate single-ended hardware channels. This interface modifies the data registers of the chassis controller into scaled voltage or current loops to drive independent physical field elements.

Hardware Specifications

Parameter	Specification
Model	1769-OF2
Brand	Allen-Bradley
Origin	United States
Weight	0.28 kg
Dimensions	118 x 35 x 87 mm
Operating Temp	0 to 60 deg C
Power Consumption	2.23 W maximum
Number of Outputs	2 single-ended channels
Voltage Output Ranges	+/-10 V, 0-10 V, 0-5 V, 1-5 V
Current Output Ranges	0-20 mA, 4-20 mA
Resolution	14 bits unipolar; 14 bits plus sign bipolar
Converter Type	Successive Approximation DAC
Step Response	2.9 ms to 63% of full scale
Backplane Current Draw	120 mA at 5.1 VDC / 120 mA at 24 VDC
Power Supply Distance Rating	8 modules maximum
Resistive Load Range	0-600 Ohm (Current mode) / > 1 kOhm (Voltage mode)

Profinet and EtherNet/IP Deterministic Networks Coexistence

The internal bus communication interfaces adapt directly to remote rack structures managed through Profinet or EtherNet/IP deterministic networks. The integrated successive approximation DAC circuitry translates variable I/O density scaling profiles from the central processor into physical current loops without disrupting adjacent channel logic. System configurations remain bound to explicit firmware flash compatibility baselines, suppressing unexpected conversion latencies during multi-channel backplane transmission sequences.

Frequently Asked Questions

Q: Does this hardware component support removal or insertion under power (RIUP) within an active rack?

A: No. The local backplane design does not support live module swaps. The entire power generation line supplying the 1769 system chassis must be disconnected prior to inserting or removing the hardware to prevent damage to the backplane communication pins.

Q: Can the two output channels execute different signal styles simultaneously?

A: Yes. Each single-ended channel features independent internal loop scaling definitions. One channel can be configured via software to transmit a 4-20 mA current loop while the alternate channel maintains a 0-10 V voltage profile.

Q: What physical limitations exist regarding placement distance from the system power supply?

A: The module exhibits a hardware power supply distance rating of 8. It must reside within 8 available module slots of an active 1769 system power supply component to maintain proper input voltage stability.

Field Installation Guidelines

Disconnect all primary and auxiliary electrical distribution circuits to the 1769 housing assembly before attempting hardware installation.
Route all analog output field wiring inside dedicated, grounded steel conduit paths separated from high-voltage AC motor distribution leads.
Tighten the removable terminal block retention screws to historical mechanical torque specifications to prevent micro-arcing from machine vibration.
Ground the twisted-pair shield wires at a single, unshared point near the control enclosure ground bus to eliminate loop signal degradation.
Verify that the external hardware loads conform to the internal impedance constraints, matching a minimum of 1 kOhm for voltage circuits or a maximum of 600 Ohm for current loops.

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