6ES7211-1AE40-0XB0

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6ES7211-1AE40-0XB0

Siemens 6ES7211-1AE40-0XB0 (CPU 1211C DC/DC/DC) is a compact PLC of SIMATIC S7-1200 series, with built-in I/O, PROFINET communication and stable performance, ideal for small-scale automation control scenarios such as standalone equipment and simple production lines.

The 6ES7211-1AE40-0XB0 is a compact Programmable Logic Controller (PLC) of the SIMATIC S7-1200 series from Siemens, specifically the CPU 1211C DC/DC/DC model. It is designed for small-scale automation systems, integrating rich I/O functions and communication capabilities, suitable for standalone equipment, small production lines, and basic process control scenarios. I. Core Specifications

  • Order Number: 6ES7211-1AE40-0XB0

  • Product Series: SIMATIC S7-1200

  • CPU Model: CPU 1211C (Compact Type)

  • Power Supply Type: DC/DC/DC (Power supply, input, and output are all DC)

  • Operating Voltage: 24 V DC (Allowable range: 20.4-28.8 V DC)

  • Built-in I/O:

  • Digital Input (DI): 6 × 24 V DC (3 channels can be used as 100 kHz High-Speed Counter (HSC))

  • Digital Output (DO): 4 × 24 V DC transistor output (Maximum 0.5 A per channel, supporting 100 kHz Pulse Train Output (PTO))

  • Analog Input (AI): 2 × 0-10 V DC (10-bit resolution)

  • Memory: Program/data memory 50 KB; integrated 1 MB ROM; expandable with SIMATIC memory card

  • Firmware Version: V4.5 (Requires STEP 7 V17 or higher for programming)

  • Communication Interface: 1 × PROFINET/Ethernet (Supports S7, TCP/IP, ISO-on-TCP)

  • Expansion Capability: Up to 3 Communication Modules (CM) + 1 Signal Board (SB)

  • Mounting Method: DIN rail mounting (90 mm width), wall mounting

  • Protection Class: IP20

  • Operating Temperature: -20°C to +60°C

II. Product Features

  1. Compact Integration: Integrated CPU + I/O design saves cabinet space, suitable for small equipment and compact working conditions.

  2. High-Speed Processing: Fast instruction execution meets real-time control requirements; supports high-speed counting and pulse output, suitable for simple motion control.

  3. Flexible Communication: Standard PROFINET facilitates networking and interconnection with upper computers, touch screens, and other PLCs.

  4. Easy Programming: Supports LAD, FBD, SCL and other programming languages, compatible with TIA Portal development environment, making debugging convenient.

  5. Stable and Reliable: Wide voltage input, reverse polarity protection, and battery-free data backup, adapting to industrial environments.

III. Typical Applications

  • Control of small standalone equipment (such as packaging machines, conveyors, testing stations)

  • Logic control and status monitoring of simple production lines

  • Basic analog closed-loop control (temperature, pressure, liquid level)

  • Local control unit for small-scale automation systems