Siemens analogue output module sm 1232 series siemens 6es7232 4hd32 0xb0 the siemens 6es7232 4hd32 0xb0 is a sm 1232 analogue output signal module that converts digital signals of the simatic s7 1200 into signals for controlling the respective process the signal module has 4 current or voltage analogue outputs with which the users can optimally adapt their controller even to more complex tasks if the task is expanded subsequently the controller and user program can be simply upgraded si