74 Control macrosPID macroThis macro is suitable for applications where the drive is always controlled by PID and thereference comes from analog input AI1. To enable the macro, select it in the Primary settingsmenu or set parameter 96.04 Macro select to PID. Default control connections for the PID macromax.500 ohm1…10 kohmS1 AI1 U/I Voltage/Current selection for AI1:S2 AI2 U/I Voltage/Current selection for AI2:XI Reference voltage and analog inputs and outputs1 SCR Signal cable shield (screen)2 AI1 Ext. PID reference: 0…10 V3 AGND Analog input circuit common4 +10V Reference voltage 10 V DC5 AI2 Actual PID feedback: 4…20 mA1)6 AGND Analog input circuit common7 AO1 Output frequency: 0…20 mA8 AO2 Motor current: 0…20 mA9 AGND Analog output circuit commonS3 AO1 I/U Voltage/Current selection for AO1:X2 & X3 Aux. voltage output and programmable digital inputs10 +24V Auxiliary voltage output +24 V DC, max. 250 mA11 DGND Auxiliary voltage output common12 DCOM Digital input common for all13 DI1 Stop (0) / Start (1) PID14 DI2 Constant PID setpoint 1: parameter 40.2115 DI3 Constant PID setpoint 2: parameter 40.2216 DI4 Constant frequency 1: parameter 28.26 2)17 DI5 Run enable; if 0, drive stops18 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 EIA-485 Modbus RTU29 B+ Embedded Modbus RTU (EIA-485). See chapterFieldbus control through the embedded fieldbusinterface (EFB) on page 377.30 A-31 DGNDS4 TERM Serial data link termination switchS5 BIAS Serial data link 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 drive.35 OUT236 SGND37 IN138 IN2X10 24 V AC/DC40 24 V AC/DC- in R5…R9 only: Ext. 24V AC/DC input to power up thecontrol unit when the main supply is disconnected.41 24 V AC/DC+ inU IU IUI5)4)4) 4)3)See the notes onthe next page.
