Siemens SIMATIC HMI series System Manual

3.2 What is new in WinCC V7?
Introduction
The
following
section provides you with information in short form about the most important new
features in WinCC V7.4 as compared to WinCC V7.3 SE incl. Update 1.
You can find detailed descriptions of the individual functions in the WinCC Information System.
What's new in WinCC V7?
3.2 What is new in WinCC V7?
WinCC: General information and installation
System Manual, 02/2017, A5E40840020-AA 91

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