Siemens 6GK1970–5CA20–0AA2 Instructions De Montage page 341

6ZB5530–3AC30–0BA1
Slave
PROFIBUS
master network segment
Master
Master
Slave
Slave
Figure 5: Point-to-Mulitpoint Link with n)1 PROFIBUS ILMs (One Master Subnet, 3 Subnets with Slaves)
Infrared
transmission link 1
0.5 to 15 m
Infrared
transmission link 2
0.5 to 15 m
ILM
17
Infrared Link Modul (ILM)
ILM
PROFIBUS
slave network segment 1
ILM
PROFIBUS
slave network segment 2
Infrared
transmission link 3
0.5 to 15 m
ILM
PROFIBUS
slave network segment 3
Copyright  by Siemens
Slave
Slave
Slave
Slave
Slave
Slave