Allen Bradley 1772-LS Mini PLC-2/05 processor

The Allen-Bradley 1772-LS is a high-performance Mini PLC-2/05 processor module designed for industrial automation and control applications. Manufactured by Rockwell Automation under the Allen-Bradley brand, this processor serves as the central processing unit and memory controller for Mini PLC-2 systems. It provides reliable control, advanced communication capability, and flexible programming functions for demanding industrial environments.

The 1772-LS processor module features 3K words of CMOS RAM memory, supports up to 16 I/O modules, and includes expanded math capability for complex control operations. It also supports online programming, block transfer capability, remote mode selection, and Data Highway communication compatibility. The module offers fast troubleshooting through integrated processor diagnostic indicators and provides optional EEPROM backup for secure program storage and recovery.

Designed for industrial environments, the 1772-LS supports stable operation within a temperature range of 0 to 60°C and is widely used in manufacturing systems, material handling, process control, and factory automation applications.

Manufacturer

Allen Bradley

Category

PLCs

Product Line

PLC 5

Input Voltage

120 Volts AC

Location

I/O chassis left most slot

Indicators

PROC RUN, FAULT

Operating Modes

RUN, TEST, PROG

Operating Temperature

0 to 60 degrees Celsius

Relative Humidity

5% to 95% (without condensation)

High Memory Capacity

Equipped with 3K words of CMOS RAM and 2944-word data table memory capacity

Flexible I/O Support

Supports connection of up to 16 I/O modules

Advanced Communication

Compatible with Data Highway systems and Allen-Bradley communication modules

Online Programming

Allows users to monitor, edit, and troubleshoot programs without stopping operations

EEPROM Backup Support

Optional EEPROM module enables non-volatile program backup and duplication

Diagnostic Indicators

Built-in status indicators simplify fault detection and troubleshooting

Expanded Math Functions

Supports enhanced mathematical processing for complex automation tasks

Block Transfer Capability

Enables efficient data exchange between processor and intelligent modules

Remote Mode Selection

Supports remote operating mode control for improved system flexibility

Industrial Reliability

Designed for stable operation in harsh industrial environments

What is the primary function of the 1772-LS processor module?

The 1772-LS functions as the central processing unit and memory controller for Mini PLC-2 systems, executing user programs and controlling industrial automation processes.

Does the 1772-LS support program backup?

Yes. The processor supports an optional EEPROM module for non-volatile memory backup and program duplication.

Can the 1772-LS perform online programming?

Yes. It supports online programming, allowing users to monitor, modify, and troubleshoot programs while the system remains operational.

What communication capabilities does the 1772-LS provide?

The module supports Data Highway compatibility and communication with Allen-Bradley interface and report generation modules through its INTFC socket.

What industrial applications commonly use the 1772-LS?

The 1772-LS is commonly used in factory automation, manufacturing systems, process control, machine automation, and material handling applications.

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6181P-17TPXPH

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1440-SDM02-01RA

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9300-4EDM

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MFIXSUP0601 193112

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1398-DDM-005