10 The MLG-2 WebChecker in the fieldbus network
10.1 The MLG-2 in PROFINET
10.1.1 Overview
The MLG-2 ProNet PROFINET supports the following PROFINET features:
•
Cla
s
s B device (PROFINET RT)
•
Cyclic process data: Min. cycle time: 1 ms
•
2 Ethernet ports
•
Net load class III
•
Auto device replacement
•
Media redundancy
•
Topology detection
•
Reduction ratio
•
Acyclic process data, configuration and status: Via NRT data records
•
TCI support
Architecture
PR
OFINET supports a wide variety of topologies such as line, tree, ring, star, and combi‐
nations thereof.
Figure 53: Example of a PROFINET network in a star structure
1
PLC
2
Cyclic data (process data)
3
Acyclic data (service data)
THE MLG-2 WEBCHECKER IN THE FIELDBUS NETWORK 10
8025190/2020-01-13 | SICK O P E R A T I N G I N S T R U C T I O N S | MLG-2 WebChecker
63
Subject to change without notice