38ELECTRICAL CIRCUIT DIAGRAMGraphic symbolsConnectionsFor the PR512 release connections use thefollowing types of cable:– auxiliary power supply (Uaux.) = screenedcable TI4069/2x0.2 code 07108– external opening control (SO3) = screenedcable TI4069/2x0.2 code 07108 (max. length:30 m)– S33M and Q/… binary inputs = screened cableTI4069/4x0.2 code 07109– S751 binary input = screened cable TI4069/2x0.2 code 07108– serial interface (W1) = screened cable T54566code 56884– opening solenoid (YO3) = screened cableTI4065/2x1 code 07136– current transformer circuits (TI/… = screenedcable TI4065/2x1 code 07136– remaining circuits = cables T14018.Mechanical, pneumatic or hydraulicconnectionRotary controlPushbutton controlEarth (general symbol)Mass, frameEquipotentialityConverter with galvanic separationScreened cable conductors (examplewith two conductors)Corded conductors or cables (examplewith two conductors)

ABB PR512 Manual