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Siemens 6ES7901-3DB30-0XA0 Communications Cable
The Siemens 6ES7901-3DB30-0XA0 is a 5-meter USB/PPI Multi-Master cable for S7-200 PLCs. It provides optoelectronic decoupling for safe PC-to-PLC communication. This high-speed interface supports programming, diagnostics, and real-time data monitoring.
Description
The Siemens 6ES7901-3DB30-0XA0 operates as a specialized USB-to-PPI Multi-Master communication link. This cable establishes a reliable connection between a PC and SIMATIC S7-200 PLC systems. It supports the Point-to-Point Interface (PPI) protocol for efficient programming and diagnostics. Furthermore, the Multi-Master capability allows the cable to function within networks containing multiple controllers. This feature ensures flexible data exchange during complex automation tasks.
The hardware includes integrated optoelectronic decoupling to protect connected equipment. Consequently, it prevents electrical interference and voltage surges from damaging the PC or PLC. The high-quality shielding ensures stable data transmission in electrically noisy industrial environments. This makes it an essential tool for commissioning and maintenance engineers.
Technical Specifications and Connectivity
| Feature | Technical Data |
| Brand | Siemens |
| Model Number | 6ES7901-3DB30-0XA0 |
| Product Type | USB/PPI Multi-Master Cable |
| Cable Length | 5.0 Meters |
| Interface Type | USB to RS-485 (DB9) |
| Protocol Support | PPI, Multi-Master PPI |
| Weight | 0.22 kg |
| Compatibility | SIMATIC S7-200 Series |
Performance Characteristics and Industrial Reliability
The 6ES7901-3DB30-0XA0 cable provides plug-and-play functionality for modern engineering workstations. It eliminates the need for external power supplies by drawing energy directly from the USB port. Moreover, the driver software supports various baud rates to match specific PLC configurations. This adaptability allows for rapid program uploads and real-time monitoring of machine states.
Siemens engineered this cable with durable materials to withstand frequent manual handling. It handles temperature fluctuations and mechanical stress typical of factory floor use. The 5-meter length offers sufficient reach for connecting laptops to controllers inside large cabinets. Therefore, it improves the efficiency of onsite service and system updates.
Primary Application Use Cases
- Programming and configuring Siemens SIMATIC S7-200 PLCs.
- Real-time monitoring of automation processes via STEP 7-Micro/WIN.
- Firmware updates and system maintenance for legacy S7-200 hardware.
- Data acquisition and HMI testing in industrial control environments.
- Troubleshooting communication faults within PPI multi-master networks.
Additional information
| Weight | 0.22 kg |
|---|---|
| Country of Origin | Germany |
| Dimension | 19 x 14 x 3 cm |
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