PLCs, Power Supplies & Others

Serial Communication for SIMATIC S5

The Siemens 6ES5526-3LA01 serves as a communications processor for SIMATIC S5 programmable controllers. This module handles serial data transmission over distances up to 5 kilometers . It uses RS-232, RS-422, and RS-485 interfaces for flexible device connectivity . Consequently, this processor enables communication with barcode readers, printers, and other serial devices.

Transmission Parameters and Protocol Support

The 6ES5526-3LA01 supports data rates from 300 to 9600 baud for various application needs . It implements ASCII, 3964R, and RK512 protocols for industrial compatibility . The module buffers 4 kilobytes of transmit and receive data for efficient handling . Furthermore, it provides configurable message framing for integration with different device types .

Physical Configuration and Installation Details

This communications processor fits standard S5 single-width housing for easy rack mounting . It weighs 0.8 kilograms and connects directly to the backplane bus . The Siemens 6ES5526-3LA01 features a 15-pin D-sub connector for serial cabling . Front panel LEDs indicate transmit, receive, and fault status clearly .

Hardware and Power Specifications

The module operates on a 24 V DC supply with a current consumption of 200 mA . It requires 5 V DC from the backplane for internal logic circuits . The 6ES5526-3LA01 includes optical isolation to separate the serial interface . This isolation prevents ground loops and electrical noise interference .

Environmental and Operational Limits

This communications processor functions reliably from 0 to 60 °C ambient temperature . It stores between -40 and 70 °C during extended idle periods . The Siemens 6ES5526-3LA01 withstands standard industrial humidity and vibration levels . Its rugged design ensures long service life in factory environments .

Technical Specifications

Details