Siemens 6ES5560-8AA11-1A Control Module

Central Command Processing for S5 Automation

The Siemens 6ES5560-8AA11-1A control module serves as an intelligent sub-processor for S5-135U and S5-155U automation systems. This module handles complex control tasks, offloading the main CPU from intensive computation. Advanced motion and process control applications benefit from this dedicated processing power.

Processing Performance and Memory Architecture

This control module features a 16-bit microcontroller with a clock frequency of 24 MHz for high-speed operation. The unit includes 64 KB of RAM for data storage and 32 KB of EPROM for firmware. A floating-point coprocessor accelerates mathematical calculations for real-time control loops. Furthermore, the module supports custom firmware loading for application-specific functions.

Parameter	Specification
Brand	Siemens
Model	6ES5560-8AA11-1A
Processor Type	16-bit microcontroller
Clock Frequency	24 MHz
RAM	64 KB
EPROM	32 KB
Floating-Point Coprocessor	Yes (integrated)
I/O Channels	16 digital inputs, 16 digital outputs
Dimensions (W x H x D)	50 mm x 125 mm x 118 mm
Weight	0.45 kg
Power Consumption	5 V DC at 300 mA
Compatible CPUs	S5-135U, S5-155U
Operating Temperature	0°C to 55°C

I/O Interface and Connectivity

The Siemens 6ES5560-8AA11-1A integrates 16 digital input channels and 16 digital output channels directly on the module. The inputs accept 24 V DC signals with a nominal current of 7 mA per channel. Each output switches up to 0.5 A at 24 V DC with short-circuit protection. Additionally, the module provides a dedicated communication port for programming and diagnostics.

Firmware and Application Development

Users can load custom firmware to the module’s EPROM for specialized control applications. The module supports various programming languages, including C and assembly. A dedicated development kit provides all necessary tools for application creation. Furthermore, the module includes a boot loader for simple firmware updates.

Diagnostic Features and Status Monitoring

Front-panel LEDs indicate power, module activity, and error conditions for quick status assessment. The module stores the last 64 diagnostic events in a non-volatile buffer. A built-in self-test routine verifies hardware integrity during system startup. Additionally, the module supports remote diagnostics through the backplane bus.

Installation and System Integration

You can install this control module in any standard S5-135U or S5-155U rack slot. The module automatically adapts to the backplane bus speed during initialization. For optimal performance, place the module close to associated I/O cards. Always verify the firmware version matches your application requirements before installation.