Brand:Allen Bradley PLC Item No.:Allen Bradley 1764-LSP Product Origin:USA Product Dimensions:87 × 41 × 154 mm Product Weight:1.0 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen Bradley 1764-LSP is a standard processor module within the MicroLogix 1500 PLC family, designed for industrial automation systems that require reliable control performance, moderate program capacity, and flexible communication options. It serves as a cost-efficient CPU solution for machine-level control applications and legacy automation systems where stability and simplicity are prioritized over high memory expansion.
Compared to the enhanced LRP version, the 1764-LSP is optimized for smaller applications, offering solid execution performance and seamless integration with MicroLogix 1500 base units. It remains widely used in installed industrial systems due to its proven durability and long operational lifecycle.
Technical Specifications
Specification Item
Details
Manufacturer
Allen Bradley (Rockwell Automation)
Model Number
1764-LSP
Product Type
MicroLogix 1500 Standard Processor
Series
MicroLogix 1500
User Memory
Approx. 7.6 KB total (program + data)
Program Capacity
~3.6 KB user program
Data Capacity
~4 KB user data
Communication Ports
1 × RS-232
Supported Protocols
DF1, DH-485, Modbus, ASCII
Compatible Base Units
1764-24AWA, 1764-24BWA, 1764-28BXB
I/O Expansion Capacity
Up to 512 I/O points
Programming Software
RSLogix 500
Processor Cycle Time
~1 ms per 1K logic (typical)
Real-Time Clock Support
Optional via 1764-RTC module
Memory Modules
1764-MM series compatible
Operating Temperature
0°C to 55°C
Storage Temperature
-40°C to 85°C
Mounting Type
Installed into MicroLogix 1500 base system
Dimensions
Approx. 87 × 41 × 154 mm
Weight
Approx. 1.0 kg
Recommended Related Models
Related Model
Function
1764-LRP
Enhanced MicroLogix 1500 processor
1764-24BWA
Base unit for CPU installation
1764-28BXB
High-density base unit with mixed I/O
1764-MM1
Memory expansion module
1764-RTC
Real-time clock module
1769-IF4
Analog input expansion module
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Industrial Applications
The 1764-LSP is commonly used in established industrial environments where stable control logic execution and legacy system compatibility are essential.
Typical applications include:
Packaging and light manufacturing equipment
Conveyor and material handling systems
Pump and motor control panels
HVAC and building automation systems
Water treatment control systems
OEM machinery control platforms
Process monitoring systems
Legacy PLC system maintenance and upgrades
Its moderate memory size makes it suitable for straightforward control tasks without heavy data processing requirements.
Key Advantages
Reliable Core Control Performance
The processor delivers stable and consistent execution for standard industrial automation logic, ensuring dependable machine operation.
Cost-Efficient PLC Solution
Compared to higher-tier processors, the LSP provides a more economical option for smaller-scale automation systems.
Proven Industrial Stability
Widely deployed across global industrial installations, the module is known for long-term operational reliability.
Flexible Communication Support
Supports multiple serial protocols including DF1, DH-485, and Modbus, enabling integration with legacy industrial networks.
Seamless MicroLogix Integration
Designed specifically for MicroLogix 1500 systems, ensuring straightforward compatibility with base units and expansion modules.
Technical FAQs
1. What is the 1764-LSP used for?
It is a MicroLogix 1500 standard processor used for industrial automation and machine control applications.
2. Is the 1764-LSP a complete PLC?
No. It is a processor module that must be installed into a compatible MicroLogix 1500 base unit.
3. What is the difference between LSP and LRP?
The LRP offers higher memory capacity and dual communication ports, while the LSP is a standard single-port, lower-memory version.
4. What communication protocols does it support?
It supports DF1, DH-485, Modbus, and ASCII via RS-232 serial communication.
5. What programming software is required?
It is programmed using RSLogix 500 software.
6. Can it be expanded with additional I/O?
Yes. It supports expansion up to 512 I/O points using compatible MicroLogix modules.
7. Is the 1764-LSP still manufactured?
No. It is discontinued but still widely used in existing industrial systems.
8. What industries commonly use it?
Manufacturing, utilities, OEM machinery, and legacy automation facilities.
9. Is it suitable for modern high-speed automation?
Not typically. It is best suited for standard control applications and legacy system maintenance.
10. Why is the 1764-LSP still relevant?
Because many industrial plants continue to operate MicroLogix 1500 systems, making it essential for maintenance, spare replacement, and system continuity.
