SIMOCODE pro 
System Manual, 05/2019, A5E40507475002A/RS-AD/004 
81 
  Description of system components 
8.1  Basic units (BU) 
Types of basic units 
The basic units are the fundamental components of the SIMOCODE pro system. Basic units 
are always necessary when using SIMOCODE pro. They contain the processor in which all 
protection, control and monitoring functions of the SIMOCODE system are executed. 
 
Figure 8-1  Basic units 
The basic units are suitable for DIN rail mounting or with additional push-in lugs for mounting 
on a mounting plate. They are always equipped with removable terminals. 
The basic units are available in different types for the following supply voltages: 
●  24 V DC 
●  110 to 240 V AC / DC