34 Default configurationWater defaultThis is the default configuration of control connections for water and waste water applications.Default control connections for the Water defaultmax.500 ohm1…10 kohmX1 Reference voltage and analog inputs and outputs1 SCR Signal cable shield (screen)2 AI1 Output frequency/speed reference: 0…10 V3 AGND Analog input circuit common4 +10V Reference voltage 10 V DC5 AI2 Actual feedback: 0…10 V6 AGND Analog input circuit common7 AO1 Output frequency: 0…10 V8 AO2 Motor current: 0…20 mA9 AGND Analog output circuit commonX2 & X3 Aux. voltage output and programmable digital inputs10 +24V Aux. voltage output +24 V DC, max. 250 mA11 DGND Aux. voltage output common12 DCOM Digital input common for all13 DI1 Stop (0) / Start (1)14 DI2 Not configured15 DI3 Constant frequency/speed selection16 DI4 Not configured17 DI5 Not configured18 DI6 Not configuredX6, X7, X8 Relay outputs19 RO1C Ready run250 V AC / 30 V DC2 A20 RO1A21 RO1B22 RO2C Running250 V AC / 30 V DC2 A23 RO2A24 RO2B25 RO3C Fault (-1)250 V AC / 30 V DC2 A26 RO3A27 RO3BX5 Embedded fieldbus29 B+Embedded fieldbus, EFB (EIA-485)30 A-31 DGNDS4 TERM Termination switchS5 BIAS Bias resistors switchX4 Safe torque off34 OUT1 Safe torque off. Factory connection. Both circuitsmust be closed for the drive to start. See chapterThe Safe torque off function in the Hardwaremanual of the drive35 OUT236 SGND37 IN138 IN2X10 24 V AC/DC40 24 V AC/DC+ in R6…R11 only: Ext. 24V AC/DC input to power up thecontrol unit when the main supply is disconnected.41 24 V AC/DC- in4)3)See the notes onthe next page.4) 4)5)
