WAGO-I/O-SYSTEM 750 Function Description 37750-632 Proportional Valve ModuleManualVersion 1.3.0, valid from FW/HW-Version 01/015.3 Functions for the Setpoint Value ControlThe I/O module offers the following functions, to be explained later:5.3.1 “Automatic mode”In “Automatic Mode”, the I/O module approaches the specified setpoint valueautomatically with the selected ramp.Figure 10: Automatic ModeTable 23: Automatic ModeNo. Event Description/Behavior1 Set SPL_EN to “1” “Automatic mode” is activated.2 Set RSEL Process data with continuously active ramps isselected.A change during a ramp is likewise possible.3 Change setpoint value Running ramp travel is interrupted andcontinued using the new setpoint value.4 Set SPL_EN to “0” Present current level maintained during aramp.5 Set SPL_EN to “1” Running ramp travel is continued.