✅ PART 1: TECHNICAL OVERVIEW

The CPU 1215C (DC/DC/Relay) is a high-performance compact PLC from the SIMATIC S7-1200 family manufactured by Siemens AG.
? Main Configuration
Power Supply: 24 V DC
Digital Inputs: 14 × 24 V DC
Digital Outputs: 10 × Relay outputs
Analog Inputs: 2 × 0–10 V
Communication: Dual PROFINET ports
? Key Features
Compact modular design
Integrated Ethernet switch
Built-in Web Server
Real-Time Clock (RTC)
PID control capability
Expandable I/O system
Suitable for medium automation systems
? Typical Applications
Power plant auxiliary systems
Pump & motor control panels
HVAC systems
Water treatment automation
Industrial process control

✅ PART 2: DETAILED SPECIFICATION

⚙️ General Technical Data

Parameter	Specification
Supply Voltage	20.4 – 28.8 V DC
Current Consumption	Approx. 600 mA
Mounting	DIN Rail
Protection Class	IP20
Operating Temperature	0°C to +55°C
Dimensions (W × H × D)	~130 × 100 × 75 mm
Weight	Approx. 0.5 kg

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? Memory & Performance

Feature	Value
Work Memory	125 KB
Load Memory	Via SIMATIC Memory Card
Retentive Memory	Yes
Bit Processing Time	~0.08 µs
Integrated Web Server	Yes
Motion Control	PTO/PWM (limited due to relay outputs)

Programming Software:
TIA Portal

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? Integrated I/O
Digital Inputs
14 × 24 V DC
Digital Outputs
10 × Relay outputs
Switching Capacity: Up to 2 A per channel
Analog Inputs
2 × 0–10 V

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? Communication
2 × PROFINET (RJ45)
Supports:
PROFINET IO Controller
TCP/IP
ISO-on-TCP
S7 Communication
Modbus TCP

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