What systems is the CP343-2 compatible with?
It is designed for Siemens Simatic S7-300 systems.
1 actual photo shown first. Reference images are model-matched and must be confirmed before purchase.
Siemens
6GK7-343-2AH00-0XA0
CP343-2 communication processor for S7-300, Simatic NET
Siemens
From $905.5In stockDiscontinued
Product Description
Siemens CP343-2 is a Simatic NET communication processor designed for S7-300 systems to enable industrial networking and data exchange. It integrates with the Simatic S7-300 backplane and provides reliable communication services for distributed automation, facilitating diagnostics and configuration through standard engineering tools. The module is intended for use by control engineers who require deterministic communication and scalable connectivity within Siemens automation architectures. It supports integration into existing Simatic networks and is suitable for legacy system support and maintenance. Package contents typically include the CP343-2 module; accessories such as connectors and configuration software are supplied separately per system requirements. This unit aligns with Simatic Net standards, ensuring compatibility across the S7-300 family and simplifying replacement in installed bases.
Key Features
- •Simatic NET CP343-2 for S7-300 systems, Industrial communication processor module, Seamless integration with Simatic S7-300, Designed for reliable network data exchange, Supports diagnostics and configuration workflows
Buy Options
Condition, indicative price, stock, and lead time. Confirm current availability via RFQ.
ConditionPriceAvailabilityLead time
New
Price: $1,146.96
Availability: 2 in stock
Lead time: ~13 day lead
Never Used
Price: $996.05
Availability: 2 in stock
Lead time: ~7 day lead
Used
Price: $905.5
Availability: 52 in stock
Lead time: Ships from stock
Specifications
- Manufacturer
- Siemens
- Brand
- Siemens
- Model type
- Simatic NET CP343-2
- Compatible system
- Simatic S7-300
- Manufacturer Part Number
- 6GK7-343-2AH00-0XA0
- Alternate Part Numbers
- 6GK7 343-2AH00-0XA0; 6GK7 3432AH000XA0; 6GK7-343-2AH00-0XA0; 6GK7-3432AH000XA0
- Part #
- 6GK7-343-2AH00-0XA0
- Category
- PLCs/Machine Control
- Subcategory
- PLC Module/Rack
- Weight
- 0.53 lbs
Before we quote this part
Actual photos when available
Nameplate, condition, and visible wear can be shared before quote when stock photos are not enough.
Test notes for used units
Power-on or function test status is stated when available, with clear condition grading.
Trackable global shipping
DHL, FedEx, UPS, or forwarder options can be quoted with packing photos and tracking details.
Clear DOA boundary
For tested units, quote terms can include 7-day DOA support unless otherwise stated.
Independent sourcing disclaimer
We are not an authorized distributor, reseller, or representative of Siemens, Mitsubishi, Omron, or other manufacturers listed on this site. All product names, trademarks, brands, and logos are the property of their respective owners. Products may be used, refurbished, surplus, or sourced from the secondary market unless otherwise stated.
Need 6GK7-343-2AH00-0XA0 availability?
Prices and stock can change. Submit quantity, required condition, and destination for a current quote.
FAQ
Is software included with the module?
Configuration software is not typically included; use standard Siemens engineering tools.
Does this part replace other CP343-2 variants?
It matches part number 6GK7-343-2AH00-0XA0 and listed alternates; verify firmware requirements before replacement.
What accessories are needed for installation?
Standard S7-300 rack and appropriate connectors; refer to system documentation for specifics.
Is this suitable for legacy systems?
Yes, it is intended for integration within existing Simatic S7-300 installations.