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Siemens 6ES7972-0CA21-0XA0 SIMATIC PC Adapter RS232/RS485

Siemens 6ES7972-0CA21-0XA0 SIMATIC PC Adapter for S7-300/400.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned
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ManufacturerSiemens
Part number6ES7972-0CA21-0XA0
Type PC Adapter
For SIMATIC S7-300, S7-400, C7, M7
Interface RS232/RS485 Conversion
PC Slot No free slot required
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12-month warranty
All units tested
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Same-day dispatch
Order by 2pm CST
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Worldwide delivery
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Veteran-owned
CAGE: 9NK75
Connects PC to S7-300/400 PLCs RS232/RS485 Conversion No PC slot required Facilitates programming and diagnostics Reliable communication

The Siemens 6ES7972-0CA21-0XA0 is a SIMATIC PC Adapter designed for connecting a PC to Siemens S7-300 and S7-400 PLCs, as well as C7 and M7 systems. This adapter facilitates communication without requiring a free slot on the PC, as it includes built-in RS232/RS485 conversion capabilities. It is particularly useful for PCs that do not have a dedicated serial port or require an external solution for PLC communication.

This PC adapter is essential for programming, configuration, and diagnostics of Siemens SIMATIC S7-300 and S7-400 controllers. It bridges the communication gap between the PC's serial interface and the PLC's communication port, enabling engineers to upload/download programs, monitor process data, and troubleshoot issues remotely. It is a key component for maintaining and engineering automation systems.

Stanlo Automation, a veteran-owned surplus parts distributor, provides the Siemens 6ES7972-0CA21-0XA0 SIMATIC PC Adapter. We offer reliable access to essential automation components, ensuring you can keep your Siemens automation systems operational and efficient with quality surplus hardware.

TypePC Adapter
ForSIMATIC S7-300, S7-400, C7, M7
InterfaceRS232/RS485 Conversion
PC SlotNo free slot required
CommunicationPLC connection
PLC Programming
S7-300 Configuration
S7-400 Diagnostics
Industrial Communication
System Engineering
Automation Maintenance
Siemens S7-300 PLCs Siemens S7-400 PLCs Siemens C7 systems Siemens M7 systems
Siemens SIMATIC S7 PC Adapter 6ES79720CA210XA0
This adapter replaces the need for internal PC cards and provides a versatile external communication solution for older and newer Siemens PLCs.
Expert tip
Ensure the correct driver is installed on the PC for the PC Adapter to be recognized by the operating system and STEP 7 software.
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Can the Siemens 6ES7972-0CA21-0XA0 PC Adapter be used with PCs that do not have an RS232 port?
Yes, the Siemens 6ES7972-0CA21-0XA0 PC Adapter is designed to provide RS232/RS485 conversion, allowing connection to PLCs even if the PC only has USB ports or lacks a standard serial port. It bridges the communication gap efficiently.