1768-L45S | Allen-Bradley Processor
1768-L45S | Allen-Bradley Processor
1768-L45S | Allen-Bradley Processor
    1768-L45S | Allen-Bradley Processor
1768-L45S | Allen-Bradley Processor

1768-L45S | Allen-Bradley Processor

Part #: 1768-L45S Manufactured by: Processor
Regular price
$8,069.00
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$8,069.00
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Condition: New-Surplus Original Box
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Product Overview
The Allen-Bradley 1768-L45S Compact GuardLogix Safety Processor is a specialized controller designed for safety-critical a...  Read more
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Warranty for Product #: 1768-L45S
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Product Description P/N: 1768-L45S

Description / Specifications

Description

The Allen-Bradley 1768-L45S Compact GuardLogix Safety Processor is engineered to meet stringent safety requirements in industrial automation environments. With 3 MB of standard memory and 1 MB of safety memory, it ensures reliable operation and data integrity. Equipped with a single RS-232 serial port supporting DF1 or ASCII communication protocols, this processor facilitates seamless integration into existing control systems. Its compact design and robust safety features make it a dependable choice for safeguarding critical processes and machinery.

 

 

Technical Specifications

Brand

Allen-Bradley

Product Family

CompactLogix

Product Type

Controller

Part Number

1768-L45S

Memory

3.0 Mbyte Standard Memory; 1.0 Mbyte Safety Memory

Integrated Ports

One (1) RS232

Serial Baud Rate

19200 bps

Protocols supported

DF1 Point-to-Point; DF1 Master; DF1 Slave; DF1 Radio Modem; User (channel 0 only); DH-485

No. of connections

250

Safety Application requirements

SIL3; PL(e)

No. Local I/O Modules

Four (4)

No. of I/O module in expansion banks

Thirty (30)

Communication Cable

1747-CP3

Mounting Type

DIN Rail or Panel Mount

Operating Vibration

5 g @ 10 - 500 Hz

Operating Shock

30 g

Operating Temperature

0 to +60°C (+32 to +140°F)

Power consumption

4.34 W

Power dissipation

Power dissipation

 

 

Information About 1768-L45S

The Allen-Bradley 1768-L45S Compact GuardLogix Safety Processor is a specialized controller designed for industrial safety applications. It features 3 megabytes of standard memory and 1 megabyte of safety memory, allowing for efficient processing and storage of safety-related data and logic.

Equipped with a single RS-232 port, the processor supports both DF1 and ASCII protocols, offering flexibility in communication with external devices and systems. This port facilitates data exchange and communication with other devices within the industrial network.

As a safety processor, the 1768-L45S is engineered to meet stringent safety standards and requirements. It ensures the reliable and secure operation of safety-critical processes and machinery in industrial environments.

The processor's standard memory capacity enables the storage of program logic, configuration data, and other essential information required for the control and monitoring of industrial processes. Additionally, the dedicated safety memory provides the necessary resources for implementing safety functions and maintaining safety integrity levels.

With its compact design and robust construction, the 1768-L45S is suitable for integration into space-constrained environments commonly found in industrial settings. Its compact form factor allows for easy installation and deployment, while its durability ensures long-term reliability in demanding industrial conditions.


Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

Frequently Asked Questions about 1768-L45S
Question: What safety rating does the 1768-L45S meet?
Date Update:20/06/2025
Answer:

The 1768-L45S controller meets high safety certification standards. It is compliant with SIL3 (Safety Integrity Level 3) and PL(e) (Performance Level e) requirements. These ratings ensure it is suitable for use in critical industrial safety applications. It can reliably manage functions like emergency stops, safety interlocks, and zone monitoring.

Question: How much memory does the controller have?
Date Update:20/06/2025
Answer:

This Compact GuardLogix controller offers a total of 4 MB memory divided as follows:

  • 3 MB Standard Memory: For control tasks and general programming
  • 1 MB Safety Memory: For safety routines, diagnostics, and safety-rated logic

This memory allocation allows it to handle both standard and safety applications simultaneously.

Question: How many I/O modules can it support?
Date Update:20/06/2025
Answer:

The 1768-L45S has a flexible I/O capacity based on system configuration:

  • Local I/O Modules: Supports up to 4 directly connected modules
  • Expansion I/O Modules: Supports up to 30 additional modules via expansion banks

This scalability makes it suitable for both compact systems and moderately complex architectures.

Question: How can I mount the 1768-L45S?
Date Update:20/06/2025
Answer:

It supports both DIN rail and panel mounting. This allows it to fit into a variety of enclosure types and control cabinet layouts. The compact form factor and low power consumption (4.34 W) make it ideal for dense installations or retrofit projects. Proper mounting also ensures optimal shock and vibration resistance.

Question: Is the 1768-L45S still in production?
Date Update:20/06/2025
Answer:

No, the 1768-L45S was officially discontinued by Rockwell Automation on October 30, 2020. It is no longer available for sale, and users are advised to migrate to engineering replacement options. Although existing units may still function in the field, spare parts and support could become increasingly limited. It’s important to plan system upgrades accordingly.

IQElectro is not an authorized distributor.
QElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description

The Allen-Bradley 1768-L45S Compact GuardLogix Safety Processor is engineered to meet stringent safety requirements in industrial automation environments. With 3 MB of standard memory and 1 MB of safety memory, it ensures reliable operation and data integrity. Equipped with a single RS-232 serial port supporting DF1 or ASCII communication protocols, this processor facilitates seamless integration into existing control systems. Its compact design and robust safety features make it a dependable choice for safeguarding critical processes and machinery.

 

 

Technical Specifications

Brand

Allen-Bradley

Product Family

CompactLogix

Product Type

Controller

Part Number

1768-L45S

Memory

3.0 Mbyte Standard Memory; 1.0 Mbyte Safety Memory

Integrated Ports

One (1) RS232

Serial Baud Rate

19200 bps

Protocols supported

DF1 Point-to-Point; DF1 Master; DF1 Slave; DF1 Radio Modem; User (channel 0 only); DH-485

No. of connections

250

Safety Application requirements

SIL3; PL(e)

No. Local I/O Modules

Four (4)

No. of I/O module in expansion banks

Thirty (30)

Communication Cable

1747-CP3

Mounting Type

DIN Rail or Panel Mount

Operating Vibration

5 g @ 10 - 500 Hz

Operating Shock

30 g

Operating Temperature

0 to +60°C (+32 to +140°F)

Power consumption

4.34 W

Power dissipation

Power dissipation

 

 

Information About 1768-L45S

The Allen-Bradley 1768-L45S Compact GuardLogix Safety Processor is a specialized controller designed for industrial safety applications. It features 3 megabytes of standard memory and 1 megabyte of safety memory, allowing for efficient processing and storage of safety-related data and logic.

Equipped with a single RS-232 port, the processor supports both DF1 and ASCII protocols, offering flexibility in communication with external devices and systems. This port facilitates data exchange and communication with other devices within the industrial network.

As a safety processor, the 1768-L45S is engineered to meet stringent safety standards and requirements. It ensures the reliable and secure operation of safety-critical processes and machinery in industrial environments.

The processor's standard memory capacity enables the storage of program logic, configuration data, and other essential information required for the control and monitoring of industrial processes. Additionally, the dedicated safety memory provides the necessary resources for implementing safety functions and maintaining safety integrity levels.

With its compact design and robust construction, the 1768-L45S is suitable for integration into space-constrained environments commonly found in industrial settings. Its compact form factor allows for easy installation and deployment, while its durability ensures long-term reliability in demanding industrial conditions.


Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

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