The Allen-Bradley 1764-LSP is a MicroLogix 1500 processor. This controller has integrated 7K user program capacity. This memory size is the total of the combined 3.65 KB User Program and 4 KB User Data. These program and data file sizes are user-configurable with a maximum user data capacity of 4K words. The processor memory also stores function files that are user-specified and are used as configuration data for system resources.

The 1764-LSP MicroLogix 1500 Processor has approximately 1 ms program execution time for a 1K-word program (including counter, bit, math instructions, and timer). Programs are created using a Windows-based programming software RSLogix 500. Long-integer data files (32-bit signed integer, +/- 2 billion) can be created for use with embedded high-speed I/O and math instructions. Floating point data files can also be developed, each of which contains a maximum of 256 IEEE-754 floating point data elements.

The 1764-LSP Processor features one non-isolated RS-232-C port with ASCII, DF1 half-duplex, DF1 full duplex, DH-485, and Modbus protocols. It has two built-in Trim Potentiometers with a digital output range of 0-250 volts. These 3/4-turn analog potentiometers allow easy and quick adjustment of counters, set points, and timers. The 1764-LSP can be installed with MicroLogix base units such as 1764-24AWA, 1764-24BWA, and the 1764-28BXB. This processor can have the following real time clocks and memory modules installed: 1764-MM1, 1764-MM2, 1764-MM3, 1764-MM1RTC, 1764-MM2RTC, 1764-MM3RTC, 1764-RTC. The MicroLogix 1500 RTC modules comes with a Lithium battery for memory retention.

The 1764-LSP is a MicroLogix 1500 Controller that is manufactured by Allen-Bradley. This controller supports installation of up to Eight (8) local I/O modules as well as installation of expansion back where up to Sixteen (16) Compact I/O modules may be installed. This controller supports a maximum of 512 Inputs and outputs, which is the ideal I/O range of small machine or process applications. The MicroLogix 1500 controller are obsolete products therefore, this product is available as a spare part only. The 1764-LSP was declared discontinued on 06/30/2017.

The 1764-LSP features an integrated memory amounting to 7KB. This memory is partitioned to user program amounting to 3.6KB and 4KB user data. With the attachment to any base unit, this controller is able to use the integrated RS232 port which supports communication to Human Machine Interface (HMI), Supervisory Control And Data Acquisition (SCADA), Remote Terminal Unit (RTU) devices, and programing workstations. The RS232 port supports DF1, DH485, Modbus, ASCII protocols. The same port can be used to connect with PanelView 800 using the 1761-CBL-PM02 cable.

User programs and configuration are created using the RSLogix500 Programming software. This software is a Windows based application with compatibility up to Windows 10 Operating System. For 1764-LSP series A, compatible version is of RSLogix500 is Version 3.01.09 or higher, for 1764-LSP series B, use RSLogix 500, Version 4.00.00 or higher and for 1764-LSP series C, use RSLogix 500, Version 5.00.00 or higher.

This controller is installed to MicroLogix 1500 base units such as 1764-24AWA, 1764-24BWA, and 1764-28BXB.