Product Overview

The 6ES5464-8MC11 is a high-precision analog input module manufactured by Siemens for the SIMATIC S5 series of programmable logic controllers. Specifically designed to interface with voltage-based sensors, this module is an essential component for acquiring and processing analog process signals within S5-90U, S5-95U, S5-100U PLC systems, as well as ET 100U and ET 200U distributed I/O configurations . The 6ES5464-8MC11 converts real-world analog signals, such as those from pressure transducers, temperature sensors, or position transmitters, into digital values that the PLC’s central processor can use for control logic and monitoring applications.

Featuring four floating, galvanically isolated input channels, the 6ES5464-8MC11 supports an input range of ±10 V DC, making it the standard choice for voltage-output field devices . This module’s isolation is critical in industrial settings, as it provides robust protection against ground loops and common-mode voltage interference, thereby preserving the integrity of sensitive analog measurements. The 6ES5464-8MC11 is part of Siemens’ commitment to providing reliable, application-specific I/O modules that address the diverse needs of legacy and active industrial automation systems. Its robust design and straightforward configuration have made the 6ES5464-8MC11 a trusted component in countless installations where accurate, reliable analog data acquisition is fundamental to process performance and safety.

 

Technical Specifications

Parameter Name	Parameter Value
Product Model	6ES5464-8MC11
Manufacturer	Siemens
Product Type	Analog Input Module
PLC Series	SIMATIC S5 (S5-90U/-95U/-100U, ET 100U, ET 200U)
Number of Inputs	4 (floating, isolated)
Input Range	±10 V DC
Input Resistance	50 kΩ
Resolution	12 bits + sign
Basic Error Limit	±0.2% (at 25°C)
Operational Error Limit	±0.45% (0 to 60°C)
Integration Time (50 Hz)	20 ms
Integration Time (60 Hz)	16.6 ms
Current Consumption (from +9V)	Typically 70 mA
Power Loss of Module	Typically 0.7 W
Operating Temperature	0°C to +60°C
Storage Temperature	-40°C to +70°C
Weight	Approx. 0.23 kg
Dimensions (LxWxH)	Approx. 10 x 5 x 14 cm

 

Main Features and Advantages

High-Precision Analog Acquisition: The 6ES5464-8MC11 provides exceptional measurement accuracy with a basic error limit of ±0.2% at 25°C and an operational error limit of ±0.45% across its full temperature range from 0°C to 60°C . Its 12-bit plus sign resolution ensures that even small variations in the process variable are captured and digitized with high fidelity, which is essential for precise closed-loop control and critical monitoring applications.

Floating Isolation Architecture: A key feature of the 6ES5464-8MC11 is its galvanic isolation between the input channels and the system ground . While the inputs themselves are not isolated from each other, they are isolated from the PLC’s internal logic, preventing interference from potential differences and protecting the controller from damaging voltage surges. This design is vital for maintaining signal integrity in electrically noisy industrial environments.

Integrated Filtering and Interference Suppression: The 6ES5464-8MC11 employs a dual-slope integrating A/D conversion method, which inherently provides excellent noise rejection . Users can select the integration time via a switch on the module’s front panel to match the power supply frequency (50 Hz or 60 Hz), optimizing the suppression of line-frequency interference . This ensures stable and accurate readings even in the presence of significant electromagnetic interference.

Flexible Channel Configuration: The 6ES5464-8MC11 offers configurable channel settings to optimize performance for specific applications. The module features an operating mode switch that allows the user to set the number of active channels. If fewer than four channels are used, the measured values will be updated faster, providing a performance boost for applications requiring quicker response times . This flexibility allows engineers to tailor the module’s behavior to the specific needs of their process.

Seamless System Integration: Designed as a standard S5 module, the 6ES5464-8MC11 fits directly into the S5 backplane and is fully compatible with the established programming environments for the S5 series. The module supports connection to voltage sensors using a simple two-wire configuration .