Siemens SIMATIC HMI series System Manual

8.2 Configurations
Quantity structure in a multi-user system
The performance of the WinCC system depends on the employed hardware and the volume
of process data.
The following configurations were tested as typical scenarios:
Quantity Comment
Server or redundant server pairs 18 servers WinCC client with its own project:
Access
to
a maximum of 18 WinCC serv‐
ers or redundant server pairs
The mixed configuration of WinCC serv‐
ers which access other WinCC servers
as clients has not been approved.
WinCC clients without their own project 32 clients
1)
Maximum of 64 WinCC clients without
their own project in the WinCC system
WinCC clients with their own project 32 clients
1)
Maximum of 50 WinCC clients without
their own project in the WinCC system
Configuration example 1 32 clients
+ 3 Web clients
WinCC clients with their own project
Configuration example 2 1 client
+ 150 Web clients
WinCC client with its own project
1) When the server is also used as an operator station, the number of clients for this server is
reduced to four.
You can find additional information in the WinCC Information System under:
● "Configurations > Multi-User Systems > Typical Configurations"
●
"Configurations > Multi-User Systems > Quantity Structures and Performance"
Performance Data
8.2 Configurations
WinCC: General information and installation
210 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