Allen-Bradley 1769-OF4VI Analog Current Output Module

Manufacturer

Allen Bradley

Category

PLCs

Product Line

CompactLogix

Part Number

1769-OF4VI

UPC

781180908644

Weight

0.44 lbs (0.20 kg)

Module Type

Analog Current Output Module

Communication Cable

4 Point

Series

A and B

Replacement Door Part Number

1769-RD

Wire Type

Copper-90?

Solid Wire Size

22?14 AWG

Stranded Wire Size

22?16 AWG

UNSPSC

32151705

The Allen-Bradley 769-OF4VI is a compact voltage output isolated module with four individually-isolated outputs. It has a voltage range between 0 to 10V, with a full-scale range of 0 to 10.5, and a 15bit 330 μV/bit resolution. It has a bus current of 165mA at 5V DC and dissipates 2.0 watts of heat. The 769-OF4VI has a 120ms maximum conversion rate and a 2.9ms limited voltage per current. The 769-OF4VI has a maximum output current load of 5mA at a resistive load range of less than or equal to 2 kΩ.

The 769-OF4VI compact voltage module has a capacitive load per output voltage of 1 μF, with no field calibration required. It has a drift accuracy margin of ±0.0086% FS per °C and an accuracy margin between ±0.5. The module error is around ±0.8% at an output ripple of ±0.05% @ 0 to 50 kHz. The 769-OF4VI is protected from short-circuiting and can sustain a maximum short-circuit current of 42mA. It has a power-up response time of less than 0.4ms and it can power down at less than 21ms.

The 769-OF4VI module has an operating voltage of 30V DC with IEC Class 2 reinforced insulation. It has an approximate weight of 0.60 lbs and has a dimension of 4.65 x 1.38 x 3.43 in. The 769-OF4VI compact voltage module has an 8-module power supply distance with a 22 by 14 AWG solid wire size and a replacement door kit.

1. How does the AB 1769-OF4VI define its analog output precision architecture, and what signal resolution mechanisms are implemented for high-accuracy process control?

The AB 1769-OF4VI is a 4-channel isolated voltage analog output module, designed to deliver high-resolution signal conversion for process control applications. It provides precise voltage output scaling suitable for actuators, drives, and proportional control systems within CompactLogix architectures.

2. What output signal range flexibility does the AB 1769-OF4VI support, and how is voltage scaling configured across multiple industrial process variables?

The AB 1769-OF4VI supports configurable voltage output ranges (commonly including ±10V class signals), enabling flexible integration with analog-driven field devices. Each channel can be individually scaled to match process requirements such as speed control, valve positioning, or reference signal generation.

3. In what way does channel-to-channel isolation in the AB 1769-OF4VI enhance system integrity in electrically noisy industrial environments?

The AB 1769-OF4VI incorporates channel isolation architecture, improving noise immunity and reducing cross-channel interference. This design ensures stable analog signal integrity in environments with high EMI, such as motor control cabinets and heavy industrial machinery.

4. How does the AB 1769-OF4VI integrate within CompactLogix 1769 backplane systems, and what implications does this have for system scalability and configuration density?

The AB 1769-OF4VI is designed for seamless integration into the 1769 Compact I/O backplane, enabling distributed or local I/O expansion within CompactLogix systems. This supports modular scalability, allowing engineers to expand analog output capacity without redesigning the controller architecture.

5. Why is the AB 1769-OF4VI preferred in precision analog control loops, and how does its multi-channel output structure improve closed-loop process performance?

The AB 1769-OF4VI provides 4 independent analog voltage output channels, making it suitable for multi-loop control applications. It is commonly used in coordinated control systems where multiple actuators require synchronized analog reference signals, improving overall loop stability and response consistency.

1756-RIO

1769-IR6

1756-RMC3

1771-DB

1756SC-IF8H

1771-IK

1757-SRM

1771-IL

1768-EWEB

1771-IR

1769-ADN

1771-NIS

1769-BA

1771-OZL

1769-IQ32

1775-L4