S7-1214C DC/DC/DC

Siemens 6ES7214-1AG40-0XB0 is a compact CPU module from the SIMATIC S7-1200 series, specifically the CPU 1214C (DC/DC/DC). It is designed for industrial automation and control applications, offering integrated digital and analogue I/O, high-speed counting, and robust communication options.

Key Features

• Type: SIMATIC S7-1200, CPU 1214C, DC/DC/DC

• Supply Voltage: 20.4–28.8 V DC

• Current Consumption:

  • Rated: 500 mA (CPU only)

  • Maximum: 1,500 mA (CPU with all expansion modules)

• Power Loss: Typical 12 W

• Memory:

  • Work Memory: 150 KB (varies by firmware version; some sources cite 100 KB for earlier versions)

  • Load Memory: 4 MB

• Integrated I/O:

  • Digital Inputs: 14 × 24 V DC (sink/source, 6 usable for high-speed counting)

  • Digital Outputs: 10 × 24 V DC, transistor (0.5 A per channel, 4 usable as high-speed outputs up to 100 kHz)

  • Analogue Inputs: 2 × 0–10 V DC (≥100 kΩ input resistance)

  • Analogue Outputs: None

• Number of Modules Supported:

  • Signal Modules: Up to 8

  • Signal Boards: Up to 1

  • Communication Modules: Up to 3

• Communication:

  • PROFINET: 2 ports (integrated switch, 100 Mbps)

  • Supported Protocols: TCP/IP, ISO-on-TCP, UDP, Modbus TCP

• High-Speed Counting:

  • Single-phase: 3 channels at 100 kHz, 3 at 30 kHz

  • Differential: 3 channels at 80 kHz, 3 at 30 kHz

• Pulse Train Output: 4 channels at up to 100 kHz

• Input Delay (Digital): Parameterizable (0.2, 0.4, 0.8, 1.6, 3.2, 6.4, 12.8 ms, selectable in groups of four)

• Output Delay (Digital):

  • "0" to "1": Max. 1 µs

  • "1" to "0": Max. 5 µs

• Analog Conversion Time: 625 µs per channel

• Protection: IP20

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

• Dimensions: 130 mm (width) × 100 mm (height) × 75 mm (depth)

• Weight: Approx. 450 g (varies by source)

• Certifications: CE, UL, cULus, others

• Programming:

  • Software: STEP 7 (TIA Portal) V18 or higher

  • Languages: LAD, FBD, SCL