Diff between Control Module type and Control Module
Single Control Module Control Module type that can be instantiated only once (singleton).
Control module (CM) Control modules are program units that support object- oriented data flow programming with code sorting, free- layout graphical programming and static parameter connections. Instances of control
Please refer to 3BSE035981-510_A_en_System_800xA_Control_5.1_AC_800M_Binary_and_Analog_Handling for more information.