Siemens SIMATIC S7-200 SMART CPU ST20 6ES7288-1ST20-0AA1

Siemens SIMATIC S7-200 SMART CPU ST20 6ES7288-1ST20-0AA1 

Basic Information

• Product Name: Siemens SIMATIC S7-200 SMART CPU ST20

• Model Number: 6ES7288-1ST20-0AA1

• Brand: Siemens

Electrical Characteristics

• Power Supply:

• Voltage Range: DC 20.4 - 28.8V DC

• Power Consumption: Specified, including maximum input and output currents

Input/Output (I/O)

• Digital Inputs:

• For signal "0": Maximum 1 mA

• For signal "1": Typical 4 mA

• Signal "0": < 1V DC (for I0.0 to I0.3) or < 5V DC (for I0.4 to I2.7)

• Signal "1": > 4V DC (for I0.0 to I0.3) or > 15V DC (for I0.4 to I2.7)

• Number: 12

• Type: 24V DC

• Input Voltage:

• Input Current:

• Digital Outputs:

• Resistive load: Maximum 0.5A

• Lighting load: Maximum 5W

• Rated 0.5A for signal "1"

• Maximum residual current 10µA for signal "0"

• Number: 8

• Type: Transistor Outputs, 24V DC

• Output Voltage: Minimum DC 20V for signal "1"

• Output Current:

• Switching Capabilities:

Memory

• Program/Data Memory: 20 KB

• Memory Type: DDR Flash and RAM

• User Data Memory: 8 kbyte available for user data

• Optional Memory: Supports microSDHC card for additional storage

Communication

• Ethernet Interface:

• Type: Integrated PROFINET interface

• Features: Potential isolation, 1500V AC transformer isolation

• Transmission Rate: 10/100 Mbit/s, auto-negotiation

• Protocols: PROFINET IO, TCP/IP

• RS485 Interface:

• Number: 1

• Protocols: PROFIBUS DP (via CM DP module)

Processor Performance

• CPU Processing Time:

• Bit operations: Typical 150 ns

• Word operations: Typical 1.2 µs

• Float operations: Typical 3.6 µs

Additional Features

• Integrated Functions:

• Counters: 6

• PID Controllers: Yes, with up to 8 loops

• Pulse Output: 3 fast outputs with 100 KHz pulse sequence capability

• EMV Compliance: Compliant with IEC 61000-4 standards for electrostatic discharge, high-frequency electromagnetic fields, and conducted disturbances

• Real-Time Clock (RTC): Yes, with 7-day buffer

• Expansion Capabilities: Supports up to 6 expansion modules and 1 signal board

Physical Characteristics

• Mounting: Designed for rail mounting

• Power Loss: Maximum 20W

Programming & Software

• Programming Software: Uses STEP 7 Micro/WIN SMART software for programming, debugging, and monitoring