6ES7901-3DB30-0XA0 Siemens USB/PPI Multi-Master Programming Cable
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Dimensions: 19cm x 14cm x 3cm
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Country of origin: Germany
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Payment: T/T, Western Union
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Shipping port: Xiamen
Product Overview
The Siemens 6ES7901-3DB30-0XA0 is a specialized USB-to-PPI (Point-to-Point Interface) multi-master cable designed to facilitate high-speed communication between a PC and the SIMATIC S7-200 PLC series. Unlike standard serial cables, this interface supports multi-master communication, allowing the programming device to coexist with other masters (like HMIs) on the same network. It serves as the primary gateway for uploading, downloading, and monitoring PLC logic, ensuring a stable connection for industrial debugging and system maintenance.
Note: The original text contained conflicting information regarding S7-300 memory modules; please be advised that the 6ES7901-3DB30-0XA0 is strictly a communication interface for the S7-200 line.
Hardware Parameters and Physical Specifications
| Attribute | Technical Detail |
| Model Number | 6ES7901-3DB30-0XA0 |
| Interface Type | USB to RS485 (PPI) |
| Protocol Support | PPI Multi-Master, PPI, Freeport |
| Net Weight | 0.22 kg |
| Physical Dimensions | 19cm x 14cm x 3cm |
| Cable Length | Approximately 5 meters |
| Status Indicators | LED for Send, Receive, and Power |
| Country of Origin | Germany |
Industrial Deployment Scenarios
This communication adapter is essential for engineers and technicians working within the SIMATIC S7-200 ecosystem. It is primarily utilized for:
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Logic Programming and Troubleshooting: Connecting a laptop via USB to the PLC's integrated RS485 port for real-time monitoring of ladder logic.
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HMI Integration: Configuring communication parameters for text displays and touch panels within a multi-master environment.
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Data Acquisition: Extracting process data from the PLC for analysis in PC-based software applications.
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Field Service: Reliable firmware updates and program modifications in harsh environments where signal integrity is paramount.
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Shipping & Returns
Shipping
- Emergency Dispatch: Same-day shipping for in-stock orders placed before 2:00 PM (GMT+8).
- Premium Carriers: Reliable global delivery via DHL, FedEx, and UPS to 150+ countries.
- Flexible Options: We support shipping via your own carrier account (DHL/FedEx/UPS).
- Industrial Packaging: Professional ESD protection and reinforced shock-absorbent packaging.
Returns
- 30-Day Window: Request a return within 30 days of receipt for eligible items.
- Condition: Items must be in their original, factory-sealed condition with all tags.
- Hassle-Free Process: Contact sales@maxwellplc.com for a return label and instructions.
- Fast Refunds: Approved refunds are processed to your original payment method within 10 days.
Shipping & Returns
Shipping
- Emergency Dispatch: Same-day shipping for in-stock orders placed before 2:00 PM (GMT+8).
- Premium Carriers: Reliable global delivery via DHL, FedEx, and UPS to 150+ countries.
- Flexible Options: We support shipping via your own carrier account (DHL/FedEx/UPS).
- Industrial Packaging: Professional ESD protection and reinforced shock-absorbent packaging.
Returns
- 30-Day Window: Request a return within 30 days of receipt for eligible items.
- Condition: Items must be in their original, factory-sealed condition with all tags.
- Hassle-Free Process: Contact sales@maxwellplc.com for a return label and instructions.
- Fast Refunds: Approved refunds are processed to your original payment method within 10 days.
Warranty
Warranty
- 12-Month Guarantee: A comprehensive one-year warranty covers all functional defects.
- Authenticity: Every part is guaranteed 100% original, brand-new, and genuine.
- Expert Support: Dedicated technical assistance to verify and resolve any hardware issues.
- Peace of Mind: Long-term reliability support for all your mission-critical automation parts.
Warranty
Warranty
- 12-Month Guarantee: A comprehensive one-year warranty covers all functional defects.
- Authenticity: Every part is guaranteed 100% original, brand-new, and genuine.
- Expert Support: Dedicated technical assistance to verify and resolve any hardware issues.
- Peace of Mind: Long-term reliability support for all your mission-critical automation parts.
Secure Payment
Secure Payment
- Flexible T/T: 100% T/T for stock items; 30% deposit / 70% balance for lead-time orders.
- Local Friendly: RMB transfers are accepted if you have a local agent in China.
- Best Price: Our Best Price Guarantee ensures you get the most competitive market rates.
- Data Safety: All transactions are processed through encrypted and secure banking channels.
Secure Payment
Secure Payment
- Flexible T/T: 100% T/T for stock items; 30% deposit / 70% balance for lead-time orders.
- Local Friendly: RMB transfers are accepted if you have a local agent in China.
- Best Price: Our Best Price Guarantee ensures you get the most competitive market rates.
- Data Safety: All transactions are processed through encrypted and secure banking channels.
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