About SIEMENS PLC 6ES7211-1HE40-0XB0

Data Sheet: 6ES7211-1HE40-0XB0

SIMATIC S7-1200 CPU 1211C (DC/DC/Relay)

Compact CPU with 6 DI (24 V DC), 4 relay DO (2 A), 2 AI (010 V), 24 V DC power supply, and 75 KB program/data memory.

General Information

• Product type: CPU 1211C DC/DC/Relay

• Firmware version: V4.7

• Programming software: STEP 7 V20 or higher

Supply Voltage

• Rated: 24 V DC

• Range: 20.4 V 28.8 V

• Reverse polarity protection: Yes

• Load voltage (L+): 24 V DC, same operating range

Current Consumption

• CPU only: 300 mA

• With expansion modules: max. 900 mA

• Inrush current: 12 A

• It: 0.8 As

Power & Memory

• Power loss: 8 W (typ.)

• Work memory: 75 KB

• Load memory: 1 MB

• Memory card supported

• Backup: Yes, maintenance-free, no battery required

Performance

• Bit operations: 0.08 s

• Word operations: 1.7 s

• Floating-point: 2.3 s

Blocks & Data Areas

• Blocks: No limit except RAM

• Retentive memory: 14 KB

• Flags: 4 KB

• Local data:

  • Priority 1: 16 KB

  • Priority 226: 6 KB

Process Image

• Inputs: 1 KB adjustable

• Outputs: 1 KB adjustable

Hardware Configuration

• Max modules: 3 communication modules + 1 signal board

Clock

• Real-time clock: Yes

• Backup time: 480 h

• Accuracy: 60 s/month at 25C

Digital Inputs (6 DI)

• All 6 support HSC (High-Speed Counting)

• Input voltage:

  • Signal 0: 5 V

  • Signal 1: 15 V

• Input current for 1: 4 mA

• Input delay: 0.1 s to 20 ms (parameterizable)

• Cable length:

  • Shielded: 500 m (50 m for technological functions)

  • Unshielded: 300 m

Digital Outputs (4 Relay Outputs)

• Relay rating: 2 A (resistive)

• Lamp load: 30 W DC / 200 W AC

• Switching delay: max. 10 ms

• Relay life:

  • Mechanical: 10 million cycles

  • Electrical: 100,000 cycles

Analog Inputs (2 AI)

• Voltage input: 010 V

• Input resistance: 100 k

• Conversion time: 625 s

• Cable length (shielded): 100 m

Communication

PROFINET (RJ45, 1 port)

• IO Controller & IO Device

• Speed: 100 Mbit/s

• Web server: Yes

• SIMATIC communication: Yes

• Open IE communication (TCP/IP, UDP, ISO-on-TCP): Yes

• OPC UA Server (license required): Yes

Supported Protocols

• PROFINET

• MODBUS

• TCP/IP

• UDP

• SNMP, LLDP, DCP

• PROFIBUS (via CM)

• AS-i (via CM)

Diagnostics

• LEDs: RUN/STOP, ERROR, MAINT

• Diagnostic buffer: Yes

• Trace: 2 traces, 512 KB each

• Forcing: Yes

Integrated Functions

• Counters: 6 (100 kHz)

• Frequency measurement: Yes

• Positioning axes: max. 8

• PID control: Yes

• Alarm inputs: 4

Electrical Isolation

• DI isolation: 500 V AC

• Relay DO: Galvanic isolation

EMC

• ESD: 8 kV air / 6 kV contact

• Burst & surge immunity: According to IEC standards

• Radio interference: EN 55011 Class A & B

Environmental Data

• Global warming potential: 69.5 kg CO

• EPD available

Operating Conditions

• Temperature (operation): 20C to 60C

• Storage: 40C to 70C

• Humidity: 95% (no condensation)

• Altitude: 1000 m to +5000 m

• Vibration: 2 g (wall mount)

• Shock: 15 g, 11 ms

Dimensions & Weight

• Width: 90 mm

• Height: 100 mm

• Depth: 75 mm

• Weight: 380 g

Technical Details