Siemens Automation System S7-400 - Manual (Page 112)

Networking
5-14
Automation System S7-400 Hardware and Installation
A5E00850741-01
Programming Device Access Beyond Network Limits (Routing)
You can access all modules beyond network limits using a programming device.
ET 200
PROFIBUS-DP network 2
Programming
device / PC 2
Programming
device / PC 3
Programming
device / PC 1
MPI network 1
S7-400 with
CPU 417
S7-400 with
CPU 416
S7-300 with
CPU 318
S7-300 with
CPU 318
MPI network 3
Figure 5-9 Programming device access beyond network limits
Requirements :
• Use STEP 7 from version 5.0 onwards
• Assign STEP 7 to a programming device or PC on the network
(SIMATIC Manager, Assign programming device/PC)
• The network limits are bridged by modules with routing capability.