Part of the Siemens Industrial Networking family.
Overview
CP/CM communication processors connect SIMATIC controllers to Profinet, Profibus and Ethernet.
Within the Siemens Industrial Networking line, Communication Processors part numbers carry the 6GK1 and 6GK7 prefixes. Palm Parts Solution catalogues 30 distinct Communication Processors part numbers, including 6GK1411-5AB10, 6GK1503-2CB00, 6GK1503-3CB00 and 6GK1571-1AA00.
The catalogued part numbers are classified across 2 product types: EtherNet/IP Modules (26) and Industrial Ethernet Switches (4).
Ratings, physical format and revision level differ from one Communication Processors part number to the next; the individual product page carries the data recorded for that specific item.
Communication Processors parts
Specifications
| Attribute | Detail |
|---|---|
| Manufacturer | Siemens |
| Product family | Industrial Networking |
| Series | Communication Processors |
| Part-number prefixes | 6GK1, 6GK7 |
| Distinct part numbers catalogued | 30 |
| Product types represented | 2 |
| Condition | New, Refurbished, or Surplus (varies by listing) |
Part numbers by product type
- EtherNet/IP Modules — 26 part numbers catalogued (e.g. 6GK1503-2CB00, 6GK1571-1AA00, 6GK1901-1GA00, +23 more)
- Industrial Ethernet Switches — 4 part numbers catalogued (e.g. 6GK1411-5AB10, 6GK1503-3CB00, 6GK7277-1AA10-0AA0, +1 more)
How to read these part numbers
Every item in this series is listed under its full Siemens part number, so the 6GK1 and 6GK7 reference on the nameplate is the reference to search. Where a part number exists in more than one hardware or firmware revision, the revision recorded for the item appears on its product page. Specifications not recorded in our catalogue for a given part number are confirmed with the sourcing team before quoting.
Compatible series
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Frequently asked questions
What does the Communication Processors series include?
The Communication Processors series is part of the Industrial Networking family from Siemens. It groups related catalog numbers that share form factor, I/O type and communication protocol — making it easy to find drop-in replacements.
Is Communication Processors compatible with newer Siemens hardware?
In most cases yes. Communication Processors units interoperate with current Siemens programming software and communication backbones. Contact us with your firmware revision and we will confirm before shipping.
Can I get Communication Processors parts refurbished with warranty?
Yes. We offer refurbished Communication Processors modules tested to OEM specs with a 1-year replacement warranty. New surplus stock is also available when supply permits.
Machine down? Get a fast quote on the parts you need.
New, surplus, and refurbished industrial automation options. Request a quote or speak directly with an automation specialist for emergency sourcing.