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Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 6ES5464-8ME11 (also 6ES5 464-8ME11) |
| Manufacturer | Siemens |
| Product Type | Analog Input Module (Floating) |
| Series | SIMATIC S5 (464 Series) |
| Compatible Systems | S5-90U, S5-95U, S5-100U, ET 100U, ET 200U |
| Number of Inputs | 4 Channels (configurable as 1, 2, or 4) |
| Nominal Input Range | +4 to 20 mA |
| Input Resistance | 31.25 Ω |
| Galvanic Isolation | Yes (inputs to ground; not between inputs) |
| Sensor Connection | 2-wire or 4-wire transmitter |
| Digital Representation | 13-bit two’s complement (2048 units = nominal value) |
| Measuring Principle | Integrating |
| Integration Time | Configurable: 20 ms at 50 Hz / 16.67 ms at 60 Hz |
| Encoding Time per Input | Max. 60 ms at 50 Hz / 50 ms at 60 Hz |
| Permissible Voltage Difference (inputs to ground) | 75V DC / 60V AC |
| Permissible Voltage Difference (between inputs) | ±1V |
| Current Consumption (from CPU +9V) | Typ. 70 mA |
| Power Loss | Typ. 0.7 W |
| Configurable Channels | Via 4-position DIP switches (positions 2 and 3) |
| Operating Temperature | 0°C to +60°C |
| Module Weight | Approx. 0.2 – 0.23 kg |
Main Features and Advantages
The SIEMENS 6ES5464-8ME11 delivers exceptional value through its combination of floating isolation architecture, flexible sensor connectivity, and high-precision analog measurement capabilities. The floating input design of the SIEMENS 6ES5464-8ME11 provides galvanic isolation between the field inputs and the S5 backplane, protecting the CPU from electrical disturbances that could otherwise cause erratic behavior or damage. This isolation is particularly valuable in industrial environments where multiple power supplies create ground potential differences, ensuring that the SIEMENS 6ES5464-8ME11 delivers accurate, interference-free measurements even when deployed in large distributed control systems with long cable runs.
A standout feature of the SIEMENS 6ES5464-8ME11 is its support for both two-wire and four-wire transmitters, offering exceptional integration flexibility. For two-wire transmitters, the module can supply loop power directly; for four-wire transmitters, separate connections accommodate external power sources. This versatility makes the SIEMENS 6ES5464-8ME11 suitable for virtually any 4-20 mA current loop application, from simple pressure monitoring to complex multi-variable control systems.
The integrating measurement principle of the SIEMENS 6ES5464-8ME11 provides superior noise suppression compared to successive approximation converters. Users can configure the integration time via an onboard switch to match either 50 Hz or 60 Hz power line frequencies, effectively filtering out AC interference and delivering stable readings in electrically noisy environments. The SIEMENS 6ES5464-8ME11 uses a 13-bit two’s complement digital representation, providing high resolution and accurate signal conversion for precise process monitoring. Configuration is simplified through the module’s DIP switch bank, where positions 2 and 3 allow users to select between 1, 2, or 4 active channels, enabling the SIEMENS 6ES5464-8ME11 to be optimized for specific application requirements.
