Download for Firmware Update V3.1 of CP 343-1 (6GK7343-1EX30-0XE0)
The CPs with firmware version V2.4 and higher that are already in use can be upgraded with the update.
Effective immediately, the CP 343-1 (6GK7343-1EX30-0XE0) modules will be delivered with the new firmware V3.1. CPs that are already in use can be upgraded by means of a firmware update.
Firmware version V3.1 is the successor to version V3.0 and includes product improvements.
1. Product improvements
SendReceive: Problem with active establishment of an ISOonTCP connection, whereby the connection partner does not send the optional parameters C0, C1 and C2, has been solved (internal ref.: ID 1198968).
ModbusTCP: When Modbus client frames <= 12 bytes are received, these are now processed and responded to correctly (internal ref.: ID 555843).
This version contains security-relevant product improvements which increase ruggedness. Upgrading to this version is recommended.
SIMATIC STEP7 V5.5 SP3 and higher
STEP 7 Professional V12 and higher
3. Additional information on the CP 343-1
CAUTION: Please note that at least version 3.0 must be installed as basis on the existing module for an update to FW V3.1.
Modules with firmware versions prior to V2.4 must first be upgraded to at least FW V2.4 (50583479). It is not possible to jump directly from firmware versions prior to V 2.4 to FW V 3.1.
Instructions for the general firmware update can be found under entry ID 24485272.
4. Download FW update
Third-party software - Licensing terms and copyright information
You can find the copyright information for third-party software contained in this product, particularly open source software, as well as applicable licensing terms of such third-party software in the Readme_OSS file.
Special information for resellers
The information and the license terms in the
Readme_OSS file must be passed on to the purchasing party to avoid license
infringements by the reseller or purchasing party.
ReadMe_OSS.html (304,4 KB)
You can download the firmware V3.1 for the CP 343-1 (6GK7343-1EX30-0XE0) here.
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