Siemens SIMATIC HMI series System Manual

During the WinCC installation process, these functions are overwritten by the standard
functions supplied.
Procedure
1. Prepare existing WinCC projects for migration.
Check the used names for impermissible special characters.
2.
Install WinCC V7.4. Proceed as described in the section "How to install WinCC".
You need the storage medium that contains the licenses for WinCC V7.4. Upgraded
licenses of previous WinCC versions will be lost.
3. Migrate your existing WinCC projects.
Note the corresponding "First Information > Migration" section in the WinCC Information
System.
See also
Licenses and Licensing (Page 11)
How to Install WinCC (Page 36)
How to Perform an Uninstall (Page 46)
Introduction (Page 135)
Internet: FAQ Migration V4 > V7 (
https://support.industry.siemens.com/cs/de/en/view/
44029132)
WinCC Installation Notes
1.9 Upgrading WinCC
WinCC: General information and installation
System Manual, 02/2017, A5E40840020-AA 51

Siemens SIMATIC HMI series Specifications

General

Series	SIMATIC HMI
Category	Control Panel
Display Type	TFT LCD
Touch Screen	Yes (resistive or capacitive, depending on model)
Processor	Varies by model (e.g., ARM-based processors)
Storage	Varies by model (e.g., Flash memory, microSD card slot)
Communication Interfaces	Ethernet, USB
Protection Class	IP65 (front panel), depending on model
Operating Temperature	0 to 50°C, -20 to 60°C
Power Supply	24 V DC
Memory	128 MB, 256 MB