SIMATIC NET V12
Siemens 6GK1716-0HB12-0AA0 S7-REDCONNECT License
A SIMATIC NET V12 HARDNET-IE S7-REDCONNECT license for CP 1623, enabling S7 fault-tolerant communication through redundant networks.
Product Overview
Redundant S7 communication license for CP 1623
Siemens 6GK1716-0HB12-0AA0 is the SIMATIC NET V12 HARDNET-IE S7-REDCONNECT license for the CP 1623 communications processor.
The official Siemens product information identifies its function as S7 fault-tolerant communication via redundant networks. The complete order number is required because Siemens lists separate order numbers for later software versions.
Key Features
Official characteristics for the exact model
SIMATIC NET V12
The exact order number belongs to the V12 software generation.
HARDNET-IE S7-REDCONNECT
Official Siemens license designation for redundant S7 communications.
CP 1623
The license is explicitly assigned to the CP 1623 communications processor.
Fault-tolerant S7
Supports S7 fault-tolerant communication through redundant network paths.
Technical Specifications
Siemens data for 6GK1716-0HB12-0AA0
| Brand | Siemens |
|---|---|
| Order number | 6GK1716-0HB12-0AA0 |
| Product version | SIMATIC NET V12 |
| Software designation | HARDNET-IE S7-REDCONNECT |
| Licensed hardware | CP 1623 |
| Function | S7 fault-tolerant communication via redundant networks |
| V13 order number | 6GK1716-0HB13-0AA0 |
Dimensions / Wiring / Installation
CP 1623 redundant-network connection architecture
This English diagram is redrawn from the official Siemens product description. It is a technical architecture illustration, not a product photograph.

Applications
Documented use cases and selection context
-
Redundant Industrial Ethernet
S7 communication architectures that use two network paths for fault-tolerant operation.
-
CP 1623 workstations
Engineering or operator stations equipped with the CP 1623 communications processor.
-
SIMATIC NET V12 projects
Projects that require the exact V12 HARDNET-IE S7-REDCONNECT license.
-
Version-controlled spares
License replacement where the complete V12 order number must match the installed software environment.
Lifecycle and Replacement Information
Siemens lists 6GK1716-0HB13-0AA0 for the SIMATIC NET V13 version. Confirm the installed SIMATIC NET release before selecting the V12 or V13 order number.
FAQ
6GK1716-0HB12-0AA0 technical questions
What is Siemens 6GK1716-0HB12-0AA0?
It is a SIMATIC NET V12 HARDNET-IE S7-REDCONNECT software license.
Which communications processor is named for this license?
The official Siemens information specifies CP 1623.
What communication function does it provide?
It supports S7 fault-tolerant communication via redundant networks.
Does this order number identify a physical CP card?
No. The official description identifies it as the license for CP 1623, not the CP 1623 hardware itself.
What order number is listed for SIMATIC NET V13?
Siemens lists 6GK1716-0HB13-0AA0 for the V13 version.
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Contact Information
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