6ES7921-5CB20-0AA0

Product Description

Home > Products > Siemens > SIMATIC S7-1500 Cables Need Siemens 6ES7921-5CB20-0AA0? Programming Cable for SIMATIC S7-1500, SIMATIC S7-1200. Supplied with full traceability and documentation. Request a quote... Price & Availability This cable is part of the Siemens SIMATIC S7-1500 series, specifically engineered for reliable data transfer in industrial automation environments. It features a 2-meter length with a 9-pin D-sub connector on one end and a USB connector on the other, enabling direct connection to a PC for commissioning, diagnostics, and maintenance tasks. This cable supports the PROFINET protocol and is compatible with SIMATIC S7-1500 CPUs that have an integrated PROFINET interface. It is also suitable for use with SIMATIC S7-1200 CPUs and other devices with PROFINET connectivity. The cable is designed to withstand harsh industrial conditions, with a robust construction that ensures long-term durability. Its plug-in connection type simplifies installation and reduces downtime, making it an essential accessory for automation engineers. The 6ES7921-5CB20-0AA0 is a genuine Siemens product, ensuring high quality and compatibility. It is widely used in various industries, including automotive, food and beverage, chemical, and pharmaceutical, where precise control and monitoring are critical. With its compact design and reliable performance, this cable is a cost-effective solution for connecting S7-1500 systems to programming devices, facilitating efficient system setup and troubleshooting. The Siemens 6ES7921-5CB20-0AA0 is a SIMATIC S7-1500 connecting cable designed for programming and communication between a SIMATIC S7-1500 CPU and a programming device (PC). Basic Product Information USB connector for direct PC connection 9-pin D-sub connector for CPU interface Supports PROFINET protocol for high-speed data transfer Plug-in connection type for easy installation Genuine Siemens product with high reliability 2-meter length for flexible connection between CPU and PC Technical Specifications Version & Model Difference The 6ES7921-5CB20-0AA0 is part of the SIMATIC S7-1500 accessory family. Compared to earlier S7-300/400 programming cables (e.g., 6ES7972-0CB20-0XA0), this cable uses a USB interface instead of RS-232, providing faster and more convenient connection to modern PCs. It is specifically designed for the S7-1500 series, which uses PROFINET as the primary communication protocol, whereas older cables were often MPI/DP based. There are no major version differences within the 6ES7921-5CB20-0AA0 itself; it is a standard accessory. Application Scenarios Is this cable compatible with SIMATIC S7-1200 PLCs? Yes, the cable is compatible with SIMATIC S7-1200 CPUs that have an integrated PROFINET interface. It can be used for programming and communication with S7-1200 systems as well. What connectors are on the cable? The cable has a 9-pin D-sub connector on the CPU side and a USB Type-A connector on the PC side. This allows direct connection to a computer's USB port without needing an additional adapter. Does this cable require any special driver installation? The cable is plug-and-play with Siemens TIA Portal software. When used with STEP 7 Professional, the necessary drivers are typically installed automatically. For standalone use, ensure you have the correct Siemens communication drivers installed. What is the purpose of the Siemens 6ES7921-5CB20-0AA0 cable? The 6ES7921-5CB20-0AA0 is a connecting cable used to link a SIMATIC S7-1500 CPU to a PC (programming device) for programming, commissioning, and diagnostics via PROFINET. It enables engineers to upload/download programs and monitor system status. Siemens 6ES7214-1BH50-0XB0 PLC CPU (Type-1) Siemens 6ES7231-4HF50-0XB0 Analog Input Module Siemens 6ES7231-5PD50-0XB0 Analog RTD Module Siemens 6ES7231-5QF50-0XB0 Analog TC Module (S7-1200) Siemens 6ES7233-4HF50-0XB0 Analog IO Module (SM 1234) Siemens 6ES7216-2BD23-0XB0 PLC CPU (Type-2) Siemens 6ES7223-1BH22-0XA0 PLC IO Module (Type-1) Siemens 6ES7223-5PH50-0XB0 PLC IO Module (Type-2)