Siemens 6ES7212-1HE40-0XB0 SIMATIC S7-1200 CPU 1212C DC/DC/Relay

The Siemens 6ES7212-1HE40-0XB0 is a compact CPU 1212C DC/DC/relay in the SIMATIC S7-1200 series. It provides 8 digital inputs at 24V DC, 6 relay digital outputs rated at 2A, and 2 analog inputs (0-10V DC), powered from a 20.4-28.8V DC supply with 100 KB of integrated work memory.

Technical specifications:

• MLFB: 6ES7212-1HE40-0XB0
• Manufacturer: Siemens
• Product line: SIMATIC S7-1200
• Product type: CPU 1212C, compact CPU, DC/DC/relay
• Firmware version: V4.7
• Engineering: STEP 7 V20 or higher
• Supply voltage: 24V DC, permissible range 20.4-28.8V DC
• Current consumption: 400 mA (CPU only), 1,200 mA max with all expansion modules
• Work memory: 100 KB integrated
• Load memory: 2 MB integrated, expandable via SIMATIC Memory Card
• Digital inputs: 8 x 24V DC, 6 usable as high-speed counter (HSC) inputs
• Digital outputs: 6 x relay, 2A resistive, 30W DC / 200W AC lamp load
• Analog inputs: 2 x 0-10V DC, 10-bit resolution, 625 µs conversion time per channel
• PROFINET interface: 1 x RJ45, 100 Mbit/s, autonegotiation and autocrossing
• Expansion: up to 2 signal modules, 1 signal board, 3 communications modules
• Bit processing speed: 0.08 µs/instruction
• Real-time clock backup: 480 h typical, battery-free
• Power loss: 9W typical

Features and benefits:

• Integrated PROFINET IO Controller and IO Device with TLS V1.3 encrypted PG/OP communication
• OPC UA Server with data access, method call, and up to 10 concurrent sessions
• Built-in web server supporting user-defined websites
• High-speed counting up to 100 kHz single phase or 80 kHz differential across 6 dedicated inputs
• PROFIBUS connectivity available via CM 1243-5 or CM 1242-5 communications modules

Applications:

• Small to medium machine automation requiring mixed digital and analog I/O
• PROFINET IO networks operating as controller or device
• High-speed counting and positioning tasks using onboard HSC inputs
• Relay-switched control of AC and DC loads up to 200W
• OPC UA-based process data acquisition and remote monitoring

Part of the Siemens SIMATIC S7-1200 range.

Also known as: Siemens 6ES7212-1HE40-0XB0, SIMATIC S7-1200 CPU 1212C, S7-1200 compact PLC relay output.