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6ES7972-0CB20-0XA0 – PC Adapter USB (USB-MPI / USB-PPI) for Siemens S7 PLCs

$125.00

A professional communication adapter (PC Adapter) that allows your PC to connect to Siemens S7-200, S7-300, and S7-400 Programmable Logic Controllers (PLCs) via USB . This adapter supports USB-PPI (for S7-200) and USB-MPI (for S7-300/400) protocols, providing a reliable and fast link for program upload/download, monitoring, control, and fault diagnosis . It features optional built-in electrical isolation to ensure stable performance even in electrically noisy industrial environments .

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Key Features

  • Wide Siemens PLC Compatibility: Supports S7-200, S7-300, and S7-400 series .

  • Dual Protocols: Supports USB-PPI (for S7-200) and USB-MPI (for S7-300/400) .

  • Siemens Software Support: Compatible with STEP 7, TIA Portal, and Micro/WIN (SP9 V4.0) .

  • High Communication Speed: Baud rates up to 1.5 Mbps with auto-adaptive capability .

  • Enhanced Electrical Isolation: Available in two versions (Photoelectric or Electromagnetic isolation) for improved signal stability and noise immunity .

  • Built-in Protection: Features a PTC (resettable) protection circuit against over-voltage, over-current, and short circuits .

  • Easy Setup: No virtual COM port required – simply select USB directly in the software (with STEP 7 V5.2 or Micro/Win 4.0 SP5 and above) .

  • Durable Build: Soft rubber shell that is pressure and drop resistant, with a cable length of approximately 4.5 meters .

  • HMI (Touch Panel) Support: Supports many Siemens touch panels such as TP170, TP177, MP277, KTP, and Comfort Panels (requires isolated version) .

Key Technical Specifications

Specification Value
Compatible Model 6ES7972-0CB20-0XA0 (PC Adapter USB)
Supported PLC Series Siemens S7-200, S7-300, S7-400
Communication Protocols PPI, MPI, DP (multi-master supported)
PC Interface USB (Type-A)
PLC Interface RS485 (via included DB9 cable)
Baud Rates PPI: 9.6k, 19.2k, 187.5k / MPI: 19.2k, 187.5k, 500k, 1.5M (auto-adaptive)
Supported OS Windows XP, Windows 7 (32/64-bit) (Windows 8/10 not recommended)
Compatible Software STEP 7, TIA Portal, Micro/WIN SP9
Cable Length Approximately 4.5 meters
Operating Temperature -30°C to 75°C
Protection PTC (resettable) against over-voltage, over-current, short circuit
Isolation Optional (Photoelectric or Electromagnetic)

Package Contents

  • 1 × USB to MPI/PPI Adapter Cable (AMSAMOTION 0CB20)

  • 1 × DB9 Connector Cable (to PLC)

  • 1 × Original Packaging

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