The AMSAMOTION USB-MPI Programming Cable (Model: 6ES7972-0CB20-0XA0) is a versatile communication adapter designed to interface a PC with Siemens S7-200, S7-300, and S7-400 series PLCs. It facilitates programming, monitoring, and data exchange via MPI, PPI, and PROFIBUS protocols. This adapter serves as a cost-effective alternative to the original Siemens PC Adapter USB, offering similar functionalities for industrial automation tasks.
Key Features
- Multi-Protocol Support: Compatible with MPI, PPI, and PROFIBUS networks.
- USB Interface: Connects directly to a PC’s USB port, eliminating the need for a serial port.
- Optical Isolation: Provides electrical isolation between the PC and PLC to protect against voltage spikes.
- Plug-and-Play: Simplifies setup without requiring external power sources.
- Compatibility: Works with Siemens S7-200, S7-300, and S7-400 PLCs.
Instructions for Use
Setup and Installation
- Connect to PC: Plug the USB connector into your PC’s USB port.
- Connect to PLC: Attach the 9-pin connector to the PLC’s MPI/PPI/Profibus port.
- Driver Installation: Install the necessary drivers, typically included with Siemens STEP 7 software.
- Software Configuration: In STEP 7 or TIA Portal, configure the communication settings to match your PLC’s parameters.
Precautions
- Power Supply: Ensure the PLC provides power to the adapter, as it draws power from the PLC’s communication port.
- Baud Rate Matching: Set the correct baud rate in your software to match the PLC’s settings.
- Cable Length: Avoid using excessively long cables to prevent signal degradation.
- Environmental Conditions: Operate within the specified temperature and humidity ranges.
Frequently Asked Questions (FAQ)
Q1: Is this adapter compatible with Windows 10 or later?
A1: Officially, the adapter supports Windows XP, Vista, and Windows 7 (32/64-bit). Compatibility with Windows 10 or later may require additional drivers or workarounds.
Q2: Can I use this adapter with TIA Portal?
A2: While primarily designed for use with STEP 7, some users have reported success using it with TIA Portal. However, compatibility is not guaranteed.
Q3: Does the adapter support Profibus DP communication?
A3: Yes, it supports Profibus DP communication up to 1.5 Mbps. For higher speeds, consider newer adapters like the 6GK1571-0BA00-0AA0.
Q4: What is the maximum cable length?
A4: The standard cable length is 5 meters. Using longer cables may require repeaters or signal boosters to maintain communication integrity.
User Evaluation SummaryPros:
- Reliable communication with Siemens PLCs.
- Easy to set up and use.
- Provides electrical isolation for equipment protection.
Cons:
- Limited support for newer Windows versions.
- Maximum Profibus speed limited to 1.5 Mbps.
- Discontinued by Siemens; availability may be limited.
Competitive Product Comparison
| Feature | AMSAMOTION USB-MPI Adapter | Siemens 6ES7972-0CB20-0XA0 |
|---|---|---|
| Interface | USB | USB |
| Supported Protocols | MPI, PPI, Profibus | MPI, PPI, Profibus |
| Max Profibus Speed | 1.5 Mbps | 1.5 Mbps |
| Windows Compatibility | Up to Windows 7 | Up to Windows 7 |
| Status | Active | Discontinued |
Technical Specifications
- Model Number: 6ES7972-0CB20-0XA0
- Interface: USB to 9-pin RS485 (MPI/PPI/Profibus)
- Cable Length: 5 meters
- Power Supply: Powered via PLC’s communication port
- Isolation: Optical isolation between PC and PLC
- Supported Baud Rates: 9.6 kbps to 1.5 Mbps
- Operating Systems: Windows XP, Vista, Windows 7 (32/64-bit)
Brand Story or Manufacturer Background
AMSAMOTION is a company specializing in industrial automation products, including PLC programming cables, modules, and accessories. They focus on providing cost-effective alternatives to original equipment manufacturer (OEM) products, aiming to deliver reliable performance for various industrial applications.
Note: As the original Siemens 6ES7972-0CB20-0XA0 adapter has been discontinued, this AMSAMOTION USB-MPI adapter serves as a suitable replacement for users seeking similar functionalities.
If you’re looking for a reliable, cost-effective alternative to the original Siemens PC Adapter USB, the AMSAMOTION USB-MPI Programming Cable (Model: 6ES7972-0CB20-0XA0) is an excellent choice. It delivers stable performance for most Siemens S7-200/300/400 PLC programming tasks, with easy setup and solid compatibility. Ideal for engineers, students, and automation professionals who need dependable communication without the premium price. Act now to ensure availability while stock lasts!