Exploring the Features of Allen Bradley 1769 CompactLogix

1. Introduction to Allen Bradley 1769

The Allen-Bradley 1769 series is a key part of the CompactLogix™ platform by Rockwell Automation. A modular, compact programmable automation controller (PAC) system exists. This system was designed for small to mid-sized industrial control applications.

The 1769 series integrates powerful processing capabilities with flexible I/O expansion. This makes it ideal for stand-alone machines, manufacturing cells, or distributed control systems. It supports both local and remote I/O configurations. Seamless connectivity via Ethernet/IP makes it suitable for modern, connected enterprises.

Its mix of reliability, scalability, and space-saving design makes it a top choice for smart and affordable automation.

1.1 Overview of the 1769 Series

People know the Allen-Bradley 1769 Series as the CompactLogix controller and Compact I/O modules. A small and flexible automation solution exists.

Rockwell Automation developed it. This series was designed for space-constrained applications. It combines powerful control, communication, and I/O capabilities in a modular format.

The 1769 series supports many digital, analog, and specialty I/O modules. You can easily install and expand these modules to meet changing system needs. Technical notes for each module provide detailed wiring, configuration, and troubleshooting guidance to ensure optimal performance.

The 1769 series is great for small to medium control systems. It works well with Ethernet/IP networks and is fully compatible with Studio 5000 software. It delivers reliable real-time control for applications in packaging, material handling, process control, and more.

With high performance, ease of use, and scalability, the 1769 series enables efficient and cost-effective automation solutions. Product reviews from industry users highlight its durability and flexibility in demanding environments. For maintenance needs, ask for a repair from certified Rockwell Automation service providers. You can also contact Supply Tech for quick replacement parts and module sourcing.

1.2 Importance of CompactLogix in Automation

The Allen-Bradley 1769 CompactLogix series plays a critical role in advancing industrial automation. It offers a powerful, scalable, and space-efficient control platform.

Its compact design allows it to fit into tight installation spaces. Despite its size, it delivers high-performance control for a wide range of applications. These applications range from standalone machines to complex distributed systems.

The 1769 series integrates seamlessly into Rockwell Automation's Logix architecture. It also supports Ethernet/IP. This enables real-time data exchange and system-wide connectivity. This feature enhances process efficiency, supports predictive maintenance, and facilitates smart manufacturing.

Its modular nature allows easy expansion. This makes it a future-ready choice for growing automation demands.

By combining reliability, versatility, and advanced communication capabilities, the 1769 CompactLogix system significantly improves productivity. It reduces downtime and accelerates deployment in modern industrial environments.

2. Key Components of Allen Bradley 1769

2.1 Allen Bradley 1769 L33ER

General

Manufacturer: Rockwell Automation / Allen-Bradley

l Series: CompactLogix 5370

l Model: 1769-L33ER Allen Bradley(Embedded Ethernet/IP Port)

l Controller Type: Programmable Automation Controller (PAC)

l Firmware

l Supports: Studio 5000 Logix Designer (v20 and later)

l Processor & Memory

l Processor Speed: 1.0 GHz dual-core

l Memory:

l User Program: 3 MB

l Data/IO Capacity: 10 MB

l I/O Capacity

l Up to 256 I/O modules (local + distributed)

l Task Execution: Supports 32 tasks (periodic, event-triggered, continuous)

l Communication & Networking

l Embedded Ports:

l 1x Ethernet/IP: 10/100 Mbps (for programming, HMI, and peer-to-peer messaging)

l 1x Serial RS-232: For legacy device integration

l Supported Protocols: EtherNet/IP, CIP Sync, Modbus TCP, HTTP, FTP

l Expansion

l Supports: 1769 Compact I/O modules (local) and 1734 POINT I/O (via adapters)

l Programming & Feature

Programming Software: Studio 5000 Logix Designer

l Motion Control: Up to 4 axes of coordinated motion (with additional modules)

l Security: User-defined access control, CIP Security-compliant

l Real-Time Clock: Battery-backed timestamping

Physical & Environmental

l Operating Temperature: 0°C to 60°C (32°F to 140°F)

l Relative Humidity: 5–95% (non-condensing)

l Vibration/Shock Resistance: Compliant with IEC 61131-2 standards

l Dimensions (H x W x D): 118 x 87 x 105 mm (4.65 x 3.43 x 4.13 in)

l Weight: 0.65 kg (1.43 lbs)

l Power Requirements

l Input Voltage: 24V DC (18–30V DC range)

l Power Consumption: 15W (typical)

l Backup: Super capacitor for memory retention (no battery required

l Certifications

l Safety: UL, CE, ATEX (for hazardous locations)

l EMC: Compliant with IEC 61326-1

2.2 Allen Bradley 1769 L30ER

l Specification

l Catalog Number: 1769-L30ER

l Controller Family: CompactLogix 5370 L3

l Memory: 1 MB user memory

l EtherNet/IP Ports

l 2 (embedded, RJ45): Supports DLR/linear/star topology

l Communication Protocols

l EtherNet/IP

l Max I/O Modules

l Up to 16 local 1769 I/O modules

l Motion Control Support

l Integrated: Up to 8 axes (EtherNet/IP only)

l Number of Tasks

l 32 tasks: Each with up to 100 programs

l USB Port

l 1 (Type B): For programming/debugging

l Real-Time Clock

l Yes (built-in)

l Program Languages

l Ladder, FBD, SFC, ST

l Backplane Current

2.0 A @ 5V DC

l Power Supply Distance Rating

l 4 modules

l Battery

l Not required: Uses non-volatile memory

l Mounting

l DIN rail or panel mount

l Operating Temperature

l 0 to 60 °C (32 to 140 °F)

l Dimensions (HxWxD)

l 118 x 87 x 87 mm (4.65 x 3.43 x 3.43 in.)

l Certifications

l c-UL-us, CE, KC, RCM, EtherNet/IP certified

2.3 Allen Bradley 1769 OW16

l Basic Info

l Type: 16-point relay output module

l Works With: CompactLogix & Compact I/O systems

l Electrical

l Output: 16 relays (SPDT - switches both ON/OFF)

l Voltage: Up to 120V AC or 24V DC

l Current: 2A per point (max)

l Performance

l Speed: Turns on/off in ≤10ms

l Lifespan: 100,000+ operations

l Physical

l Size: 3.4" x 1.3" x 3.4"

l Weight: 0.44 lbs

l Temp Range: 32°F to 140°F

l Wiring

l Connections: Screw terminals (easy to wire)

l LEDs: Shows status for each output

l Best For

l Controlling lights, small motors, and solenoids

Packaging, conveyors, industrial machines

2.4 Allen Bradley 1769-IQ16

l Basic Info

l Type: 16-point digital input module

l Works With: CompactLogix & Compact I/O systems

l Electrical

l Input Voltage: 24V DC (sinking or sourcing)

l Current: 8mA per point (typical)

l On Voltage: 15-30V DC (logic "1")

l Off Voltage: 0-5V DC (logic "0")

l Performance

l Response Time: ≤1ms (fast for quick signals)

l Isolation: 500V AC (protects controller)

l Physical

l Size: 3.4" x 1.3" x 3.4" (same as OW16)

l Weight: 0.3 lbs

l Temp Range: 32°F to 140°F

l Wiring

l Connections: Removable screw terminals

l LEDs: Green light for each active input

l Best For

l Reading switches, sensors, pushbuttons

l Machine safety inputs, position sensors

l High-speed counting applications

2.5 1769 OF2 Allen Bradley

l Basic Info

l Type: 2-channel analog output module

l Works With: CompactLogix & Compact I/O systems

l Electrical

l Output Type: Voltage or Current (software selectable)

l Voltage: 0-10V DC

l Current: 0-20mA or 4-20mA

l Resolution: 16-bit (high precision)

l Accuracy: ±0.3% full scale

l Performance

l Update Rate: 10ms per channel

l Isolation: 250V AC (channel-to-bus)

l Physical

l Size: 3.4" x 1.3" x 3.4" (standard Compact I/O size)

l Weight: 0.3 lbs

l Temp Range: 32°F to 140°F

l Wiring

l Connections: Removable screw terminals

l LEDs: Channel status indicators

l Best For

l Controlling valves, VFDs, proportional devices

l Sending precise speed/position commands

l Process control applications

2.6 1769 OB16 Allen Bradley

l 16-point sinking digital output (transistor-based)

l 24V DC only (no relays/AC support)

l Key Features

l Output Current: 0.5A per point (1A surge for 100ms)

l Voltage Range: 20-30V DC (24V nominal)

l Switching Speed: ≤1ms ON/OFF (fast for PLC control)

l Wiring & Protection

l Removable terminal block (easy maintenance)

l Short-circuit protection (per module)

l LED status indicators (per channel)

l Physical

l Dimensions: Same as all 1769 modules (3.4" x 1.3" x 3.4")

l Weight: Just 0.3 lbs

l Operating Temp: 0°C to 60°C (32°F to 140°F)

l Typical Uses:

l Controlling solenoids, small relays

l Activating indicator lights

l Machine automation sequences

2.7 allen bradley 1769-ow8

l General Description

l The Allen-Bradley 1769-OW8 is an 8-point relay output module. Rockwell Automation designed it for CompactLogix and MicroLogix control systems. It provides isolated relay contacts for switching AC/DC loads in industrial automation applications.

l Technical Specifications

l Parameter Specification

l Type 8-point relay output (Form A – SPST NO)

l Output Ratings 2A @ 30V DC / 2A @ 250V AC (per point)

l Switching Capacity Resistive: 2A, Inductive: 0.5A (L/R = 7ms)

l Isolation Voltage 1500V AC (field to logic)

l Response Time ≤10ms (ON/OFF)

l Backplane Current 100mA @ 5V DC

l Power Consumption 0.5W (typical)

l Operating Temp. 0°C to 60°C (32°F to 140°F)

l Storage Temp. -40°C to 85°C (-40°F to 185°F)

l Humidity 5% to 95% (non-condensing)

l Dimensions (WxHxD) 45 x 87 x 80 mm (1.77 x 3.43 x 3.15 in)

l Weight 200g (0.44 lb)

l Terminal Type Removable screw clamp (16-pin)

l Indicators: Per-channel status LEDs (green)

l Compatibility

l Controllers: CompactLogix (L2x, L3x), MicroLogix 1500 (with 1769 expansion)

l Software: RSLogix 5000, Studio 5000, RSLogix 500 (for MicroLogix)

l Wiring & Connections

l Output Type: Relay (dry contact)

l Common Grouping: 4 relays per common (shared terminals)

l Terminal Block: Removable for easy installation

l Certifications & Standards

l CE, UL, cUL, ATEX (for hazardous locations, if applicable)

l Compliant with IEC 61131-2, EN 61000-6-4

l Typical Applications

l Motor starters, solenoids, contactors

The HVAC controls, lighting systems

l Industrial machinery with high-voltage switching

l Ordering Information

l Catalog Number: 1769-OW8

l Replacement Option: 1769-OW8I (individual commons per point)

2.8 1769 ir6 allen bradley

1. General Description

The Allen-Bradley 1769-IR6 is a Compact I/O module. It can handle up to six RTD (Resistance Temperature Detector) inputs. The design targets use with CompactLogix and MicroLogix 1500 systems, providing precise temperature measurement for industrial applications.

2. Technical Specifications

Specification Details

Catalog Number 1769-IR6

Module Type: Analog Input Module (RTD)

Number of Inputs: 6 single-ended channels

Supported Sensors RTDs: Pt100, Pt1000, Ni100, Ni1000 (2-wire, 3-wire)

Resolution 15 bits + sign

Input Range -200°C to +850°C (depending on RTD type)

Accuracy ±0.3°C typical (Pt100 @ 25°C)

Input Impedance >1 MΩ

Conversion Rate: All channels updated every 250 ms

Channel Isolation: No isolation between channels; 750V DC between field and logic

Backplane Current 5V DC, 120 mA

Power Dissipation 2.4 W max

Heat Dissipation 8.2 BTU/hr

Mounting DIN rail or panel mounting

Dimensions (HxWxD) 118 x 35 x 87 mm (4.65 x 1.38 x 3.43 in.)

Operating Temperature 0°C to 60°C (32°F to 140°F)

Storage Temperature -40°C to 85°C (-40°F to 185°F)

Certifications UL, CE, C-Tick, Class I Div 2, RoHS

Compatible Controllers: MicroLogix 1500, CompactLogix 1769-L series

3. Key Features

Supports multiple RTD types for flexibility in temperature monitoring

6 individually configurable input channels

High accuracy and resolution for precise measurement

Compact design for space-constrained applications

Compatible with Studio 5000 and RSLogix 5000

2.9  1769 it6 allen bradley 

Allen-Bradley 1769-IT6 Specification

l General Description

l The Allen-Bradley 1769-IT6 is a 6-channel module. It measures thermocouples and mV analog inputs. This module serves CompactLogix and MicroLogix 1500 systems. It supports a variety of thermocouple types and millivolt inputs, providing accurate and flexible temperature measurement for industrial control applications.

l Technical Specifications

l Specification Details

l Catalog Number 1769-IT6

l Module Type: Analog Input Module (Thermocouple/mV)

l Number of Channels: 6 single-ended inputs

l Input Signal Types: Thermocouple (J, K, T, E, R, S, B, N, C) and millivolt (±50 mV)

l Input Range (mV) ±50 mV

l Resolution 15 bits + sign

l Accuracy ±0.5°C typical (type K @ 25°C)

l Cold Junction Compensation Internal

l Channel Isolation: No isolation between channels; 750V DC from field to system

l Backplane Current Draw 5V DC, 120 mA

l Power Dissipation 2.4 W max

l Heat Dissipation 8.2 BTU/hr

l Conversion Rate: All channels updated every 250 ms

l Mounting DIN rail or panel mount

l Dimensions (HxWxD) 118 x 35 x 87 mm (4.65 x 1.38 x 3.43 in.)

l Operating Temperature 0°C to 60°C (32°F to 140°F)

l Storage Temperature -40°C to 85°C (-40°F to 185°F)

Certifications UL, CE, C-Tick, RoHS, Class I Div 2

l Compatible Systems CompactLogix 1769-L series, MicroLogix 1500

l Key Features

l Supports up to 6 thermocouple or millivolt inputs

l Wide variety of thermocouple types supported

l Built-in cold junction compensation for accurate readings

Compact design with easy installation

Integrated with RSLogix 5000 and Studio 5000 software

2.10 1769 L16er bb1b allen bradley

A.General Description

The Allen-Bradley 1769-L16ER-BB1B is a CompactLogix 5370 L1 controller. It combines the CPU, I/O, and communication ports in a small design.

Great for small machine control tasks. It offers good performance at a low cost. It also has strong features like Ethernet/IP communication and built-in digital I/O.

B.Technical Specifications

Specification Details

Catalog Number 1769-L16ER-BB1B

Controller Type CompactLogix 5370 L1

User Memory 1 MB

Integrated Digital I/O 16 Inputs (24V DC sourcing), 16 Outputs (24V DC sourcing)

EtherNet/IP Ports 2 embedded ports (RJ45, support DLR/linear/star topology)

Communication Protocols Ethernet/IP, USB (for programming)

I/O Expansion Supports 1769 I/O modules, up to 2 local expansion modules

Motion Support Up to 4 axes via EtherNet/IP

Programming Languages Ladder, Function Block, Structured Text, SFC

Number of Tasks: 32 tasks

Program Capacity Up to 100 programs per task

USB Port 1 (Type B, for programming/debugging)

Real-Time Clock Included

Power Supply External 24V DC (from 1734 power supply or similar)

Mounting Type DIN rail

Dimensions (HxWxD) 118 x 97 x 75 mm (4.65 x 3.82 x 2.95 in.)

Operating Temperature 0°C to 60°C (32°F to 140°F)

Storage Temperature -40°C to 85°C (-40°F to 185°F)

Certifications CE, c-UL-us, RCM, KC, ATEX, EtherNet/IP certified

C.Key Features

Compact all-in-one design with embedded I/O

Dual-port Ethernet/IP for device-level ring topology

Integrated motion support via Ethernet/IP

Ideal for small machines and cost-sensitive applications

Compatible with Studio 5000 Logix Designer software

2.11 1769-if4 Allen-Bradley

Allen-Bradley 1769-IF4 Analog Input Module Specification

1)General Description

The Allen-Bradley 1769-IF4 is a 4-channel analog input module for use with CompactLogix and MicroLogix 1500 systems. Engineers design it to connect analog signals, like voltage and current, from sensors and transmitters. It changes these signals into digital ones that the controller can use. This makes it good for many industrial measurement and control tasks.

2)Technical Specifications

Specification Details

Catalog Number 1769-IF4

Module Type: Analog Input Module

Number of Channels: 4 single-ended or 2 differential

Input Signal Types Voltage: ±10V, 0–10V; Current: 4–20 mA, 0–20 mA

Input Impedance Voltage: >1 MΩ; Current: 250 Ω

Resolution 15 bits + sign (16-bit total)

Accuracy ±0.5% full scale at 25°C

Conversion Rate: All channels updated every 300 ms

Channel-to-Channel Isolation None (common-mode input range ±10V max)

Backplane Current Draw 5V DC, 90 mA

Power Dissipation 1.8 W max

Heat Dissipation 6.14 BTU/hr

Mounting a DIN rail or panel mount

Dimensions (HxWxD) 118 x 35 x 87 mm (4.65 x 1.38 x 3.43 in.)

Operating Temperature 0°C to 60°C (32°F to 140°F)

Storage Temperature -40°C to 85°C (-40°F to 185°F)

Certifications UL, CE, c-UL-us, Class I Div 2, RoHS, RCM

Compatible Controllers: CompactLogix 1769-L series, MicroLogix 1500

3)Key Features

Supports voltage and current analog input ranges

4 configurable channels (single-ended or differential)

High-resolution and reliable signal conversion

Compact size for panel efficiency

Fully compatible with RSLogix 5000 and Studio 5000 environments

2.12 1769-iq32 Allen-Bradley

Allen-Bradley 1769-IQ32 Digital DC Input Module Specification

a.General Description

The Allen-Bradley 1769-IQ32 is a digital input module. It has 32 points and works with 24V DC. This module serves CompactLogix and MicroLogix 1500 controllers. Ideal for applications that require a high density of discrete inputs in a compact format.

b.Technical Specifications

Specification Details

Catalog Number 1769-IQ32

Module Type: Digital Input Module

Number of Inputs 32 (Sink/Source compatible)

Input Voltage Range 24V DC nominal (10 to 30V DC range)

Input Type: Sinking or sourcing (field configurable per common)

Current per Input 3 mA @ 24V DC

Points per Common 16 (2 groups of 16 inputs each)

Input Delay Time On: 8 ms typical, Off: 8 ms typical

Backplane Current Draw 5V DC, 135 mA

Power Dissipation 3.3 W max

Heat Dissipation 11.26 BTU/hr

Isolation Voltage 75V DC (field to system, continuous)

Mounting Type: DIN rail or panel mounting

Dimensions (HxWxD) 118 x 35 x 87 mm (4.65 x 1.38 x 3.43 in.)

Operating Temperature 0°C to 60°C (32°F to 140°F)

Storage Temperature -40°C to 85°C (-40°F to 185°F)

Certifications UL, CE, C-Tick, Class I Div 2, RoHS, RCM

Compatible Controllers: CompactLogix 1769-L series, MicroLogix 1500

c.Key Features

High-density 32-point input for space savings

Supports both sinking and sourcing field devices

Two input banks with independent commons

Ideal for machine and process automation requiring many inputs

Easy integration with Studio 5000 and RSLogix 5000

3. Voltage Control

3.1 Reducing Allen Bradley 1769 Output Voltage with Resistor

To reduce the output voltage of an Allen-Bradley 1769 module, you can use a resistor. This method is effective for applications where the output voltage exceeds the required level. By carefully selecting the resistor value, you can achieve the desired voltage drop.

3.2 Applications and Benefits

Reducing the output voltage can be beneficial in several applications. It helps protect sensitive equipment from overvoltage and ensures compatibility with devices that require lower voltage levels. This approach also enhances system reliability and reduces the risk of component failure.

4. Programming and Configuration

4.1 CompactLogix Programming Software

The Allen-Bradley 1769 CompactLogix series is programmed using Studio 5000 Logix Designer software. This is Rockwell Automation’s premier environment for control system design and programming. The software supports multiple programming languages, including ladder logic, structured text, function block, and sequential function chart.

Studio 5000 simplifies development with integrated diagnostics, tag-based programming, and intuitive configuration tools. It allows seamless management of controller tasks, I/O modules, and motion control within a unified platform.

The software ensures efficient project development and reduces commissioning time. It also provides strong tools for troubleshooting, simulation, and version control. This makes it essential for programming and maintaining CompactLogix 1769 controllers.

4.2 Configuration for Specific Modules

Configuring specific modules in the Allen-Bradley 1769 CompactLogix series involves defining module parameters within Studio 5000 Logix Designer. Each module, such as digital I/O, analog input, or RTD, requires accurate setup of its properties. These properties include channel mode, signal range, data format, and scaling.

After adding the module to the I/O configuration tree, users can assign tags to each channel. They can also adjust filter settings and enable diagnostics if supported.

Proper configuration ensures reliable communication between the controller and field devices. Clear documentation and proper addressing help with troubleshooting and commissioning. This makes the 1769 platform suitable for many automation tasks.

5. Future of Allen Bradley 1769 Series

The future of the Allen-Bradley 1769 CompactLogix series remains strong as industrial automation continues to evolve. This series suits DIN rail mount installation in open-style enclosures.

The platform works well with modern tools like Studio 5000. It has built-in Ethernet/IP support and connects easily with Rockwell's expanding ecosystem. This makes it ready for the future.

As Industry 4.0 and IIoT grow faster, the 1769 series is ready to add new features. These include cloud connectivity, edge computing, and better cybersecurity.

Customers enjoy many repair services to keep their systems running. They also get a full warranty from DO Supply for extra peace of mind.

The 1769 CompactLogix series is a reliable automation solution. Many people recognize it for its easy-to-use design and great flexibility. These qualities will keep it important for many years.

For more items you are interested in, please refer to the  following:

Allen-Bradley 1734-IE8C Analog Input Module

Allen-Bradley 1734-OB8E Digital Output Module

Allen-Bradley 1747-L543 Processor Unit

Allen-Bradley 1756-OA16 Output Module