The Siemens 6ES7-901-3CB30-0XA0 is a PC/PPI multi-master cable that connects SIMATIC S7-200 Series PLCs to personal computers via RS232-to-RS485 conversion. It enables programming, monitoring, and bi-directional data exchange using PPI (Point-to-Point Interface) and ASCII protocols with configurable transmission rates up to 187.5 kbit/s. The cable incorporates galvanic isolation, transient voltage suppression rated to 500 W, and comprehensive protection circuitry suitable for industrial deployment.
– Technical Specifications
• Protocols: PPI (10/11 bit), ASCII (Freeport)
• Transmission Rates: 9.6 kbit/s, 19.2 kbit/s, 187.5 kbit/s (DIP switch configurable)
• Interface: RS232 to RS485 conversion
• Cable Length: Approximately 5.63 m
• Weight: Approximately 300 g
• Isolation Voltage: 1000 VDC
• Transient Voltage Suppression (RS485): Up to 500 W
• Power Supply: Derived from PLC programming port
– Key Features
• Multi-master PPI communication capability
• Optoelectronic isolation for data integrity
• Integrated surge, lightning, overvoltage, overcurrent, and anti-static protection on RS485 ports
• Galvanic isolation with 1000 VDC rating
• Hot-swapping support
• Status LEDs: Tx and Rx indicators (Green, RS-232); PPI indicator (Green, RS-485)
• 9-pin female D-sub connector (PC); round 9-pin connector (S7-200 programming port)
– Compatibility & Integration
• PLC Platform: Siemens SIMATIC S7-200 Series
• Software: STEP 7-Micro/WIN V3.2 SP4 or higher; compatible with STEP 7 Micro/WIN
• Operating Systems: Windows XP, Vista, 7 (32/64-bit), 8, 10
• HMI Systems: Compatible with Siemens HMI platforms
• Modem Support: GSM modems supported
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