The 6ES7211-1BE40-0XB0 is a compact CPU module from Siemens’ SIMATIC S7-200 SMART series, specifically the CPU SR20 model, designed for small-scale automation applications. It integrates processing power, digital I/O, and modern communication capabilities in a space-efficient unit, making it ideal for controlling simple machinery, standalone equipment, or small production cells where reliability and cost-effectiveness are key.
Key Features & Specifications:
- Digital I/O Configuration: Equipped with 6 digital inputs and 4 digital outputs (10 total I/O points) to directly interface with industrial sensors and actuators:
- Inputs: 24 V DC (sinking/sourcing) with fast response times, compatible with devices like limit switches, photoelectric sensors, or proximity detectors.
- Outputs: Transistor-type (24 V DC), optimized for switching low to medium DC loads such as solenoids, small relays, or indicator lights.
- Processing Capability: Features a high-performance microprocessor designed for basic logic operations, timer/counter functions, and simple arithmetic tasks. It delivers fast instruction execution (e.g., basic logic in ~0.15 µs), ensuring responsive control in time-critical small-scale processes.
- Memory: Includes 12 KB of program memory (for storing user logic) and 10 KB of data memory (for variables, timers, and counters), sufficient for typical small automation tasks and allowing room for program expansion.
- Communication: Integrates a built-in PROFINET interface (Ethernet port), supporting industrial Ethernet communication for easy connection to HMI panels (e.g., SIMATIC HMI SMART Line), programming devices, or other PROFINET-enabled equipment. This enables simplified network integration and remote monitoring.
- Expandability: Supports up to 3 expansion modules (e.g., additional digital I/O, analog I/O, or communication modules), allowing users to scale I/O capacity or add specialized functions as application needs grow.
Integration & Compatibility:
- Power Supply: Operates on DC 24 V, making it suitable for systems with direct current power sources, such as mobile equipment, battery-backed setups, or DC-powered machinery.
- Programming: Configured and programmed using Siemens’ TIA Portal software (version V13 and later), which offers an intuitive environment for ladder logic, structured text, or function block diagram programming, streamlining setup and maintenance.
- Mounting: Designed for DIN rail mounting, fitting compactly into control cabinets alongside other industrial components, saving space in tight enclosures.
Industrial Durability:
- Withstands typical industrial conditions, including an operating temperature range of 0°C to 60°C, and compliance with EMC (electromagnetic compatibility) standards, ensuring reliable performance in factory floors, machine enclosures, or harsh electrical environments.
Applications:
Ideal for small-scale automation scenarios such as:
- Control of standalone machines (e.g., packaging equipment, small conveyors, or pumps).
- Simple process control (e.g., material handling, batch mixing, or basic assembly lines).
- Localized control in larger systems where a compact, network-enabled CPU is sufficient for specific tasks.
The 6ES7211-1BE40-0XB0 balances compact design, modern communication, and expandability, making it a versatile choice for entry-level to mid-range small-scale automation within the SIMATIC S7-200 SMART ecosystem.
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