Siemens 6ES5816-0AB11 Operating EPROM Module

Technical Specifications and Memory Architecture

The Siemens 6ES5816-0AB11 operating EPROM module belongs to the SIMATIC S5 product range . This module stores the operating system firmware for S5-100U, S5-115U, and S5-135U programmable controllers . It supports ASCII character sets for effective data communication with the system. The dimensions measure approximately 23.5 cm x 28.0 cm x 4.5 cm, and it weighs about 0.20 kg . An alternative reference for this module is 6ES58160AB11 .

Parameter	Specification
Manufacturer	Siemens
Model Number	6ES5816-0AB11
Alternative Reference	6ES58160AB11
Product Family	SIMATIC S5
Module Type	Operating system submodule
Compatible PLCs	S5-100U, S5-115U, S5-135U (except S-PROC.), S5-150U, S5-155U
Character Set Support	ASCII
Dimensions	23.5 x 28.0 x 4.5 cm
Weight	0.20 kg
Commodity Code	85389091
Product Status	Obsolete (since 2004)

Functional Capabilities

The 6ES5816-0AB11 submodule supplies the operating system for the processor unit. It enables the PLC to execute its core control functions effectively. The ASCII character set support ensures clear communication between the system and peripheral devices . Users cannot modify the data on this EPROM without specialized programming equipment . The module retains its data reliably even after power interruptions .

Application Scenarios

This operating EPROM module serves as a critical component for maintaining legacy S5 systems. Many facilities require this module to preserve and upgrade their existing automation infrastructure . The 6ES5816-0AB11 supports professionals engaged in refurbishment projects and system maintenance . Its testable nature allows for troubleshooting and effective upkeep of the S5 controllers .