Siemens SIMATIC S5 ET 200U - Mechanical and Electrical Configuration

3-1
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
Mechanical and Electrical Configuration
This section discusses the following aspects of an ET 200U distributed I/O
station:
 Installing a station mechanically
 Wiring a station
 Installing a station electrically
The degree to which you can expand a slave station is limited by the follow-
ing factors:
 The number of modules you can connect
(a maximum of 16 bus units or 32 modules)
 The addressing range of an ET 200U slave station
(a maximum of 32 input bytes and 32 output bytes)
 The current consumption of the individual modules
(total current consumption from 9 V DC, I/O bus
 700 mA at 60 C
 900 mA at 40 C)
3