Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | Siemens 6ES5100-8MA11 |
| Manufacturer | Siemens AG |
| Product Type | Processor Module / CPU |
| Series | SIMATIC S5-100U |
| Processor Designation | CPU 100 |
| Integrated Digital Inputs | 10 × 24 V DC (sink/source), ~4 mA per input |
| Integrated Digital Outputs | 6 × Relay NO, 2 A @ 24 V DC / 230 V AC, grouped 2×3 |
| Integrated Analog Inputs | 2 channels, jumper-selectable 0–10 V / 0–20 mA, 8-bit + sign |
| Integrated Analog Output | 1 channel, 0–10 V (source, ~5 mA), 8-bit |
| Expansion Capacity | Up to 3 S5-100U expansion slices (SM 100 modules) |
| Programming Interface | PG port (AS511 protocol, 15-pin connector) |
| Supply Voltage | 24 V DC |
| Power Consumption | Approx. 2 W |
| Operating Temperature | -25°C to +60°C |
| Storage Temperature | -40°C to +70°C |
| Dimensions (W×H×D) | 84 × 100 × 127 mm |
| Weight | Approx. 0.2 kg |
| Programming Languages | STEP 5 Ladder Diagram (LAD), Statement List (STL), Function Block Diagram (FBD) |
| Degree of Protection | IP20 |
Main Features and Advantages
Integrated I/O for compact control: The Siemens 6ES5100-8MA11 stands out for its comprehensive onboard I/O complement, which includes 10 digital inputs, 6 relay outputs, 2 analog inputs, and 1 analog output. This integration eliminates the need for separate I/O modules in small to medium applications, reducing panel space requirements and overall system cost. The relay outputs on the Siemens 6ES5100-8MA11 provide direct switching capability for actuators, contactors, and pilot lights without requiring external interposing relays.
Expandability without compromise: The Siemens 6ES5100-8MA11 supports up to 3 expansion slices via the S5-100U backplane, allowing system designers to tailor I/O counts to specific application needs. This scalability makes the Siemens 6ES5100-8MA11 suitable for applications where I/O requirements may grow over time, such as packaged equipment platforms requiring variants. For example, a 4-pump station configuration using the Siemens 6ES5100-8MA11 can combine onboard I/O with one SM 101 (16 DI), one SM 122 (8 DO relay), and one SM 104 (4 AI) to achieve 26 DI, 14 DO, 6 AI, and 2 AO on a compact backplane.
Legacy compatibility and ease of migration: The Siemens 6ES5100-8MA11 uses the same instruction set and addressing style as other S5-100U and S5-115U processors, enabling program portability across the S5 family. This consistency allows OEMs to develop standardized code for a family of machines, scaling from basic configurations with the S5-90U up to complex applications using the Siemens 6ES5100-8MA11 and beyond. The PG interface on the Siemens 6ES5100-8MA11 works with the same Siemens PC Adapter used for S5-115U systems, minimizing programming hardware investment.
High reliability and industrial suitability: The Siemens 6ES5100-8MA11 is designed for demanding industrial environments, with a wide operating temperature range of -25°C to +60°C and robust IP20 protection. Its compact metal housing and efficient power dissipation make the Siemens 6ES5100-8MA11 suitable for installation in small control cabinets where space and ventilation are limited.
