Siemens SIMATIC HMI series System Manual

3.14 Other Innovations
In addition to the described new features, WinCC V7.4 offers other new functions and
extensions:
●
WinCC channel "OPC UA WinCC Channel"
●
WinCC installation:
– Installation "WinCC client"
– Automatic installation with the "Record function"
● WinCC autostart configuration via Remote access
● Remote maintenance via Remote Desktop Protocol (RDP)
● Remote configuration: Addressing outside the subnet via host names
● Archiving:
– Example: Connect or terminate database backup with VBS
– Compressed archive: Differences for ascending/descending values
● New ODK function in alarm logging
WinCC channel "OPC UA WinCC Channel"
As a new OPC UA client (DataAccess), WinCC V7.4 contains the "OPC UA WinCC Channel"
communication channel.
The "OPC UA WinCC Channel" offers full access to actual values (DataAccess) via OPC UA
on the OPC UA server in accordance with the OPC Unified Architecture specification.
New editor: WinCC OPC UA Configurator
The new WinCC OPC UA Configurator provides support for the configuration of the "OPC UA
WinCC Channel" channel.
The editor takes on the following functions:
● Selecting the OPC UA server
● Creating a connection
● Creating a tag group
● Tag selection
● Adding tags in WinCC
The WinCC Configuration Studio is not used for configuration of WinCC OPC UA tags. In this
case, you can use the WinCC tag management only to display tags.
What's new in WinCC V7?
3.14 Other Innovations
WinCC: General information and installation
112 System Manual, 02/2017, A5E40840020-AA

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