This model offers higher performance and more memory than CPU 1214C, making it suitable for medium-sized automation systems, power plant auxiliaries, and process control panels.
Configuration:
24 V DC power supply
24 V DC digital inputs
24 V DC transistor outputs
Dual PROFINET ports
Power Supply: 20.4 – 28.8 V DC
Protection Class: IP20
Mounting: DIN Rail
Operating Temperature: 0°C to +55°C
Dimensions (W × H × D): Approx. 130 × 100 × 75 mm
Work Memory: 125 KB
Load Memory: SIMATIC Memory Card (optional)
Retentive Memory: Yes
Bit Processing Time: ~0.08 µs
Integrated Web Server: Yes
Real-Time Clock (RTC): Built-in
Higher memory allows:
✔ Larger programs
✔ More data blocks
✔ Complex PID & motion control
Digital Inputs (DI):
14 × 24 V DC
Digital Outputs (DO):
10 × 24 V DC transistor
0.5 A per output
Analog Inputs (AI):
2 × 0–10 V
2 × PROFINET Ethernet Ports (RJ45)
(Integrated switch for line topology)
Supports:
PROFINET IO Controller
TCP/IP
ISO-on-TCP
S7 Communication
Modbus TCP
Programming Software:
TIA Portal
Supports:
Signal Modules (SM)
Signal Boards (SB)
Communication Modules (CM)
Expandable with additional:
Digital I/O
Analog I/O
RS485 / RS232
PROFIBUS (via CM module)
| Feature | CPU 1214C | CPU 1215C |
|---|---|---|
| Work Memory | 100 KB | 125 KB |
| PROFINET Ports | 1 | 2 |
| Performance | Standard | Higher |
| Suitable for | Small systems | Medium systems |
S7-1200 PLC CPU Model Name, | Description, | Siemens Part Number(Order Code) |
|---|
| CPU 1211C DC/DC/DC | Entry-level compact PLC with integrated I/O | 6ES7211-1AE40-0XB0 |
| CPU 1211C AC/DC/Relay | AC supply, relay outputs variant | 6ES7211-1BE40-0XB0 |
| CPU 1211C DC/DC/Relay | DC power, relay outputs | 6ES7211-1HE40-0XB0 |
| CPU 1212C DC/DC/DC | Standard performance compact PLC | 6ES7212-1AE40-0XB0 |
| CPU 1212C AC/DC/Relay | AC version with relay outputs | 6ES7212-1BE40-0XB0 |
| CPU 1212C DC/DC/Relay | DC power with relay outputs | 6ES7212-1HE40-0XB0 |
| CPU 1214C DC/DC/DC | Mid-range compact CPU | 6ES7214-1AG40-0XB0 |
| CPU 1214C AC/DC/Relay | Mid-range CPU with AC/relay outputs | 6ES7214-1BG40-0XB0 |
| CPU 1214C DC/DC/Relay | Mid-range DC with relay outputs | 6ES7214-1HG40-0XB0 |
| CPU 1215C DC/DC/DC | Higher-performance CPU | 6ES7215-1AG40-0XB0 |
| CPU 1215C AC/DC/Relay | Higher performance with AC/relay | 6ES7215-1BG40-0XB0 |
| CPU 1215C DC/DC/Relay | Higher performance DC with relay | 6ES7215-1HG40-0XB0 |
| CPU 1217C DC/DC/DC | Top performance compact CPU | 6ES7217-1AG40-0XB0 |
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