
Product Overview
The Siemens 6ES5262-8MB13, designated as the IP262 Intelligent Closed-Loop Control Module, is a sophisticated peripheral processor designed for the SIMATIC S5 family of programmable logic controllers, specifically tailored for the S5-90U, S5-95U, and S5-100U compact PLC systems . Unlike standard I/O modules that rely entirely on the CPU for processing, the Siemens 6ES5262-8MB13 incorporates its own dedicated 16-bit microprocessor, enabling it to execute complex PID control algorithms independently of the S5 CPU’s scan cycle . This intelligent architecture allows the Siemens 6ES5262-8MB13 to perform high-speed closed-loop control tasks such as temperature regulation, pressure control, flow management, and speed control without burdening the main processor, significantly improving system response times and overall performance .
The Siemens 6ES5262-8MB13 is the most feature-rich variant in the IP262 family, representing a significant upgrade over earlier models like the 8MA12 (which lacked PDM outputs) and the 8MB12 (which did not include self-tuning functionality) . This module integrates four independent continuous-action controllers with advanced pulse-duration modulation (PDM) outputs and stepper controller support, making it suitable for a wide range of actuator types . The Siemens 6ES5262-8MB13 also features four high-interference-suppression analog inputs capable of accepting voltage, current, thermocouple, or RTD (Pt100) signals, a dedicated reference temperature input for thermocouple cold-junction compensation, and eight binary outputs . With support for both DDC (Direct Digital Control) and SPC (SetPoint Control) operating modes, the Siemens 6ES5262-8MB13 can continue closed-loop operation even if the main CPU fails—a critical capability for fail-safe process control applications .
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | Siemens 6ES5262-8MB13 |
| Manufacturer | Siemens AG |
| Product Type | IP262 Closed-Loop Control Module |
| Series | SIMATIC S5 (Intelligent Peripheral IP Series) |
| Compatible PLCs | S5-90U / S5-95U / S5-100U (slots 0–7) |
| Number of Controllers | 4 independent continuous-action controllers |
| Analog Inputs | 4 channels (voltage, current, thermocouple, Pt100) + 1 reference temperature input |
| Analog Input Resolution | 12 bits + sign (unipolar 11 bits) |
| Integration Time | 20 ms (50 Hz) / 16.7 ms (60 Hz) / 55 ms (50 Hz extended) / 45.8 ms (60 Hz extended) |
| Binary Outputs | 8 × PDM pulse-width modulation outputs (100 mA max, short-circuit proof) |
| Binary Inputs | 4 digital inputs (for control/mode switching) |
| Stepper Controller | Supported (integrated in 8MB13 variant) |
| Self-Tuning (Auto-Tuning) | Supported (automatic parameter adaptation) |
| Operating Modes | DDC (CPU-executed) / SPC (IP-autonomous with backup setpoint) |
| Supply Voltage | 24 V DC (18–34 V permissible) |
| 5V Backplane Current | Approx. 20 mA |
| 24V External Current (no load) | Approx. 180 mA |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Protection Class | IP20 |
| Connections | 2 × 20-pin terminal block + 25-pin D-sub (PG/OP) |
| Dimensions (W×H×D) | Approx. 120 × 40 × 105 mm (Eurocard, DIN 41494) |
| Weight | Approx. 0.3 – 0.5 kg |
