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Siemens CP340 RS232C PLC Communication Processor 6ES7 340-1AH02-0AE0

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Product Type
Controllers/PLC
All 3 specifications
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Specifications 3

Brands
Siemens
New/Used
Used
Product Type
Controllers/PLC

Product description

Tested Siemens CP340 RS232C PLC communication processor, model 6ES7 340-1AH02-0AE0.

The Siemens CP340 is an RS232C PLC communication processor identified by part number 6ES7 340-1AH02-0AE0. It is intended for serial point-to-point communication within Siemens automation and industrial control systems.

  • Manufacturer: Siemens
  • Model: CP340
  • Part number: 6ES7 340-1AH02-0AE0
  • Interface: RS232C
  • Equipment category: PLC communication processor and serial communication module
  • Condition: Tested, fully functional, and ready for use

This Siemens PLC module is suitable for industrial automation, machine control, process integration, and legacy serial communication applications. Further technical details were not provided in the listing.

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Frequently asked questions

How long does laboratory equipment typically last?

With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.

Can I get service for older equipment?

Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options alongside the offer.

Where can I buy parts?

Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.

What is the typical lead time for refurbished equipment?

Two to six weeks, depending on refurbishment scope and whether calibration is included.

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Last updated 6 November 2026