Siemens OSM technical specifications Bus with ESMs

Network Topologies with OSM/ESM

Apart from OSM ITP62-LD modules, all listed OSM variants can be used in any combination in a bus consisting of OSMs. OSM ITP62-LD modules can only be coupled with other OSM ITP62-LD modules via the optical ports (monomode fiber).

PC

3

ESM

ITP 80

S7-400

4

ESM

ITP 80

ESM

ITP 80

S7-300S7-400

4	4
ESM	ESM
ITP 80	ITP 80

2 2 2

2ITP XP standard cable 9/9

3TP cord 9/RJ-45

4ITP standard cable 9/15

2

Figure 11: Bus with ESMs

In a bus consisting of ESMs, both ESM ITP80 modules and ESM TP80 modules can be used. TP and ITP variants can be connected together using the Industrial Ethernet FastConnect cabling system.

30	Industrial Ethernet OSM/ESM
	C79000-Z8976-C068-10