Siemens 020-011 User Manual
Industry Sector, IA&DT
SCE Training Curriculum
Page 27 of 79
To be used only in Educational and R&D Facilities
TIA Portal Module 020-011, Edition 04/2014
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SCE_EN _020-011_R1404_Startup Programming with SIMATIC S7-1500
System power supply modules PS (rated input voltages 24V DC to 230VAC/DC)
With connection to the backplane provide the configured modules with the internal supply voltage.
Load power supply modules PM (rated input voltages 120/230VAC)
Possess no connection to the backplane of the S7-1500 automation system. The following are supplied
with the load power supply with DC24V: the system power supply of the CPU, input and output circuits of
the IO modules, sensors and actuators.
with the load power supply with DC24V: the system power supply of the CPU, input and output circuits of
the IO modules, sensors and actuators.
IO modules
For digital input (DI)/digital output (DQ)/analog input (AI)/analog output (AQ)