SIEMENS PLC 6ES7212-1AE40-0XB0

About SIEMENS PLC 6ES7212-1AE40-0XB0

Siemens SIMATIC S7-200 SMART CPU ST40 (DC/DC/DC)

Compact CPU with onboard I/O, web server support, and industrial communication

General Information

• Product Type: CPU ST40 DC/DC/DC

• Programming: STEP 7 Micro/WIN SMART

• Mounting: Standard DIN rail

Supply & Power

• Rated Voltage: 24 V DC

• Permissible Range: 20.4 28.8 V DC

• Max Current Consumption: 680 mA

• Inrush Current: Max 11.7 A at 28.8 V

• Backplane Bus (5 V DC) Max: 1.4 A

• Sensor Power Max Output: 300 mA, 24 V DC

• Power Loss: Max 18 W

Memory

• Program Memory: 24 KB

• User Data Memory: 16 KB

• Memory Type: DDR, Flash, RAM

• Micro Memory Card: microSDHC optional

• RTC Backup: 7 days (maintenance-free)

CPU Performance

• Bit operations: 150 ns

• Word operations: 1.2 s

• Floating point arithmetic: 3.6 s

Digital I/O

• Digital Inputs: 24 (6 HSC for technological functions)

  • Source/sink inputs, rated 24 V DC

  • Input delay parameterizable (0.2 12.8 ms)

  • High-speed counting:

    • Single-phase: 4 HSC at 200 kHz, 2 HSC at 30 kHz

    • A/B phase: 2 HSC at 100 kHz, 2 HSC at 20 kHz

• Digital Outputs: 16 (Transistor, 3 high-speed PTP)

  • Rated current: 0.5 A, output voltage 20 V

  • Switching frequency: up to 100 kHz for pulse outputs

Relay Outputs

• Number: 0

Interfaces

• Industrial Ethernet: 1 RJ45, PROFINET IO Controller / I-Device

  • Isolated (1,500 V AC), 10/100 Mbit/s

  • Max 8 connectable IO devices

• RS-485: 1 interface, max 187.5 kbps, supports PROFIBUS DP via CM module

Protocols

• Ethernet: PROFINET, TCP/IP

• Fieldbus: PROFIBUS DP (master via CM module)

• S7 Communication: Supported as client/server

Time of Day

• Hardware Clock: Yes, no battery backup

• Backup Time: 7 days

• Deviation: Max 120 s/month at 25 C

Integrated Functions

• PID Controller: Yes, max 8 loops

• Pulse Outputs: 3

Potential Separation

• Digital Inputs: Between channel groups of 1

• Digital Outputs: Between channel groups of 2

EMC & Interference Immunity

• ESD: Air 8 kV, Contact 4 kV

• HF Radiation Immunity: 10 V/m, 80 MHz 1.89 GHz

• Burst / Supply Lines: 2 kV

• High-Frequency Conducted Disturbance: 10 V, 150 kHz 80 MHz

• Emission: EN 61000-6-4 (Class A, industrial)

Ambient Conditions

• Operating Temperature: -20 C 60 C (horizontal), -20 C 50 C (vertical)

• Storage Temperature: -40 C 70 C

• Altitude: -1,000 m 2,000 m

• Humidity: Max 95 %, no condensation

• Free Fall: Max 0.3 m, 5 times in packaging

Programming

• Languages: LAD, FBD, STL

Dimensions & Weight

• Width: 125 mm

• Height: 100 mm

• Depth: 81 mm

• Weight: 410.3 g

Technical Details