Siemens ESM Operating Instructions Manual page 18

Introduction
Properties of the ESM ITP80
Electrical ports
Maximum distance between two ESMs
Maximum ring span with 50 ESMs
Digital Inputs
Note
Industrial Ethernet OSM ITP80 is available in two versions:
•
ESM ITP80 with eight digital inputs:
The eight digital inputs are connected over two plug-in 6-pin terminal blocks on
the top of the device. To display the status of these inputs using the eight
device LEDs, there is an additional display mode known as the "Input Status"
that is selected using a third mode LED.
•
ESM ITP80 without digital inputs:
There are no digital inputs and the "Input Status" display mode is not available.
The operating states are displayed by two mode LEDs.
14
8 x 10/100 Mbps
autonegotiation/autocrossover ports
ITP connectors (sub-D 9-pin female)
100 m
5 km
8 x DC 24V
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-10