The Siemens PLC S7-1200 (Model: 6ES7215-1BG40-0XB0) is a compact and versatile programmable logic controller designed for automation applications. Featuring a DIN-rail mounting type, it offers efficient integration into industrial environments. The device operates within a voltage range of 85-264V and supports an input current of 300 mA and an output current of 1,600 mA, ensuring reliable performance. With a power rating of 14W and IP20 protection level, the PLC delivers precise control and durability in various settings. Its robust design withstands operating temperatures from -20C to 60C, with a humidity tolerance of up to 95%. The sleek dimensions of 130 x 100 x 75 mm and lightweight structure (550 g) make installation convenient and space-efficient. Designed to work seamlessly with frequencies of 50/60 Hz, the PLC delivers exceptional automation capabilities for industrial processes.

General Information

• Product type: CPU 1215C AC/DC/Relay

• Firmware: V4.7

• Programming software: STEP 7 V20 or higher

Supply Voltage

• Rated AC voltage: 120 / 230 V AC

• Permissible range: 85–265 V AC

• Frequency range: 47–63 Hz

Input Current

• Consumption (rated):

  • 100 mA @ 120 V AC

  • 50 mA @ 240 V AC

• Max consumption:

  • 300 mA @ 120 V AC

  • 150 mA @ 240 V AC

• Inrush current: 20 A @ 264 V

Output Current

• Backplane bus (5 V DC): max. 1600 mA

Encoder Supply

• 24 V encoder supply: 20.4–28.8 V

Power Loss

• Typical: 14 W

Memory

• Work memory: 200 KB

• Load memory:

  • Integrated: 4 MB

  • Expandable via SIMATIC Memory Card

• Backup: Yes (maintenance-free, no battery)

CPU Processing Time

• Bit operations: 0.08 μs

• Word operations: 1.7 μs

• Floating point: 2.3 μs

Data Areas

• Retentive memory: 14 KB

• Flag memory: 8 KB

• Local data per priority class: up to 16 KB

Process Image

• Inputs: 1 KB

• Outputs: 1 KB

Module Configuration

• Max modules:

  • 8 Signal Modules

  • 3 Communication Modules

  • 1 Signal Board

Real-Time Clock

• Hardware clock: Yes

• Backup time: 480 hours

• Accuracy: ±60 s/month @ 25°C

Onboard I/O

Digital Inputs (14 DI)

• 24 V DC input

• 6 inputs support HSC functions

• Input thresholds:

  • "0": ≤5 V

  • "1": ≥15 V

• Cable length:

  • Shielded: 500 m

  • For HSC: 50 m

Digital Outputs (10 DO) – Relay

• Max switching current: 2 A

• Lamp load:

  • 30 W (DC), 200 W (AC)

• Relay life:

  • Mechanical: 10 million cycles

  • At rated load: 100,000 cycles

• Cable length:

  • Shielded: 500 m

  • Unshielded: 150 m

Analog Inputs (2 AI)

• Voltage range: 0–10 V

• Input resistance: ≥100 kΩ

• Cable length: 100 m (shielded)

Analog Outputs (2 AO)

• Current range: 0–20 mA

Communication

PROFINET Interface

• Ports: 2× RJ45

• Integrated switch: Yes

• Speed: 100 Mbps

• Supports:

  • PROFINET IO Controller / Device

  • SIMATIC Communication

  • OPC UA Server

  • Web server

  • Open IE communication (TCP/IP, UDP, RFC1006)

  • Media Redundancy (MRP)

OPC UA Features

• License required: Basic

• Max sessions: 10

• Max monitored items: 1000

• Supports security and user authentication

Other Supported Protocols

• MODBUS

• PROFIBUS (via CM module)

• AS-Interface (via CM)

• SNMP, DCP, LLDP

Diagnostics / Functions

• LEDs: RUN/STOP, ERROR, MAINT

• Forcing: Yes

• Diagnostic buffer: Yes

• Trace:

  • Number: 2

  • Memory per trace: 512 KB

• PID control: Yes

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

Environmental Specifications

Ambient Temperature

• Operation: –20°C to +60°C

• Storage: –40°C to +70°C

Humidity

• Up to 95% (non-condensing)

Vibration & Shock

• Vibration: 2 g (wall), 1 g (DIN rail)

• Shock: 15 g, 11 ms

Pollutant Limits

• SO₂ < 0.5 ppm

• H₂S < 0.1 ppm

Mechanical Data

• Width: 130 mm

• Height: 100 mm

• Depth: 75 mm

• Weight: ≈ 550 g

Protection

• IP rating: IP20

Technical Details 

FAQs of SEIMENS PLC S7-1200 6ES7215-1AG40-0XB0: