Siemens S7-1200 1212C CPU PLC

The Siemens S7-1200 1212C CPU PLC (Model 6ES7212-1BE40-0XB0) is a compact and versatile automation solution designed for industrial applications. With IP20 protection, this PLC is built to withstand humidity levels up to 95% and operates reliably in temperatures ranging from -20 to +60C. Its DIN-rail mounting ensures easy installation. The PLC features a rated voltage of 120/230V and a broad voltage range of 85-264V, providing operational flexibility. It consumes a maximum input current of 240 mA and has a power loss of 11W for efficient performance. Measuring 90 x 100 x 75 mm and weighing 425 grams, this lightweight yet durable device fits seamlessly in space-constrained environments. The output current capacity of 1000 mA supports reliable task execution in automation processes, making it ideal for various industrial controls and automation scenarios. Its robust design and grey exterior make it a trusted solution for seamless factory or system integration.

Basic Details

• Model: CPU 1212C AC/DC/Relay

• Firmware: V4.7

• Program/Data Memory: 100 KB

• Power Supply: 85264 V AC, 4763 Hz

Onboard I/O

• Digital Inputs: 8 DI, 24 V DC

• Digital Outputs: 6 Relay Outputs (2 A each)

• Analog Inputs: 2 AI (010 V)

Electrical Specifications

Supply Voltage (AC):

• Rated: 120 / 230 V AC

• Range: 85264 V AC

Current Consumption:

• Typical: 80 mA @ 120 V AC / 40 mA @ 240 V AC

• Max: 240 mA @ 120 V AC / 120 mA @ 240 V AC

Power Loss: approx. 11 W

Memory

• Work Memory: 100 KB

• Load Memory: 2 MB internal (expandable via Memory Card)

• Backup: Maintenance-free, no battery required

Processing Times

• Bit operations: 0.08 s

• Word operations: 1.7 s

• Floating-point operations: 2.3 s

Digital Inputs

• Quantity: 8 DI

• Signal 1: 15 V

• Signal 0: 5 V

• Input delay: 0.120 ms (parameterizable)

• Cable length:

  • Shielded: 500 m

  • Unshielded: 300 m

Digital Outputs (Relay)

• Quantity: 6

• Max switching load:

  • Resistive: 2 A

  • Lamp load: 30 W (DC), 200 W (AC)

• Relay life: 10M mechanical cycles

• Cable length:

  • Shielded: 500 m

  • Unshielded: 150 m

Analog Inputs

• Quantity: 2

• Range: 010 V

• Input resistance: 100 k

• Conversion time: 625 s

Communication

PROFINET Port:

• Type: RJ45

• Speed: 100 Mbps

• Functions: IO-Controller / IO-Device, Web server, Open IE (TCP, UDP, ISO-on-TCP)

Supported Protocols:

• PROFINET

• Modbus

• OPC UA Server (license required)

• SIMATIC Communication

• ISO-on-TCP, TCP/IP, UDP

Web Server & OPC UA

• Integrated Web Server

• OPC UA Features:

  • Up to 10 sessions

  • Methods, subscriptions, monitored items

  • Security policies supported

Diagnostics & Commissioning

• LEDs: RUN/STOP, ERROR, MAINT

• Forcing support

• Diagnostic buffer available

• 2 configurable trace recordings

Integrated Functions

• High-speed counters: 6 (up to 100 kHz)

• PID control

• Positioning (up to 8 axes)

• Alarm inputs: 4

Protection & Isolation

• DI Isolation: 500 V AC

• Relay outputs: galvanic isolation

• EMC protection compliant with IEC standards

• IP20 rating

Environmental Conditions

• Operating temperature: 20C to +60C

• Storage temperature: 40C to +70C

• Humidity: Up to 95% (non-condensing)

• Vibration:

  • 2 g wall mounting

  • 1 g DIN rail

• Shock: 15 g, 11 ms

Physical Dimensions

• Width: 90 mm

• Height: 100 mm

• Depth: 75 mm

• Weight: approx. 425 g

Technical Details 

FAQs of Siemens S7-1200 1212C CPU PLC: