Siemens 6ES5816-1AA11 OS Submodule

This Siemens operating system submodule stores the firmware for S5 central controllers. The Siemens 6ES5816-1AA11 contains the essential operating system code for CPU functions. Its plug-in design enables fast and straightforward replacement. This submodule supports various S5 CPU types. The Siemens 6ES5816-1AA11 ensures correct system booting and operation.

Physical Dimensions and Connector Specifications

The submodule measures 85 mm in height and 15 mm in width. Its depth reaches 45 mm including the connector pins. This unit weighs approximately 35 grams for easy handling. The housing uses durable plastic material for protection. The Siemens 6ES5816-1AA11 features a 32-pin edge connector for PCB mounting. The connector contacts feature gold plating for corrosion resistance.

Memory Specifications and Data Storage

The submodule contains a 64 KB EPROM for operating system storage. This EPROM holds the complete firmware for CPU control functions. Read access time measures approximately 150 nanoseconds for fast code execution. The Siemens 6ES5816-1AA11 provides checksum protection for data integrity. A write-protect feature prevents accidental modification of the firmware. The memory retains data for a minimum of 10 years.

Compatibility and Application Notes

This submodule works with S5 CPUs requiring firmware version 4.0 or higher. It supports both standard and high-performance S5 central controllers. The Siemens 6ES5816-1AA11 replaces older submodule versions without hardware changes. The unit operates reliably between 0°C and 60°C ambient temperature. Proper insertion ensures correct pin alignment and electrical contact.

Detailed Specification Table

Parameter	Specification
Dimensions (H x W x D)	85 mm x 15 mm x 45 mm
Weight	Approx. 35 g
Memory Type	64 KB EPROM
Access Time	Approx. 150 ns
Connector Type	32-pin edge connector
Connector Material	Gold-plated contacts
Data Retention	Minimum 10 years
Compatibility	S5 CPUs (firmware v4.0+)
Write Protection	Hardware-based
Operating Temperature	0°C to 60°C

Installation and Handling Guidelines

Insert this submodule into the designated socket on the CPU board. Ensure correct orientation by aligning the notch on the PCB. Press the submodule firmly until the locking mechanism engages. The Siemens 6ES5816-1AA11 operates effectively between 0°C and 60°C. Handle the submodule with care to avoid electrostatic damage. Use an anti-static wrist strap during installation. Store the submodule in its original packaging until use.