Siemens SIMATIC S5 ET 200U - 7.1 Analog Input Modules

7-2
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
7.1 Analog Input Modules
Analog input modules convert analog process signals to digital values that
the CPU can process (via the process image input table, PII).
In the following sections, you will find information about the
 operating principle,
 wiring methods,
 start–up and
 programming of analog input modules.
Analog Value Processing