Altivar 16 AC Drive Option cards Option cards: description The option cards have the following terminals [1] .
External power supply COM AI + 24 LI1 LI2 LI3 LO AO LO + S2A S2B COM LI1 LI2 LI3 LO LO + Hz + ± 10 V 24 Vac 1 Terminal descriptions COM Two 0 V outputs, common to internal drive supplies + 24 +24 V internal to drive, 60 mA maximum AI Analog input, ± 10 V, impedance 30 k Ω , resolution 2.5 mV LI1-LI2-LI3 3 logic inputs, impedance 1.5 k Ω +24 V (maximum 30 V), 0 state if 11 V LO Programmable logic output (open collector transistor) Maximum 24 Vdc, 200 mA (20 mA maximum current if connected to +24 V internal supply) LO+ Logic output supply, 24 Vdc, 20 mA with internal supply or 200 mA with external supply AO Analog output, 0-20 mA, recommended load impedance 500 Ω S2A-S2B Normally open relay contact Minimum switching power:
10 mA for 1 Vdc Maximum switching power on inductive load: 1 A for 250 VAC or 30 Vdc Factory settings for inputs/outputs (without adjustment option) The I/O are set for various functions depending on which option card is used.
Functions Inputs/outputs Material handling General use Variable torque High speed motors Input AI Reference summing Reference summing Manual reference Reference summing Input LI1 Reset Reset Freewheel stop Jog after fault after fault Input LI2 Preset Freewheel stop Auto/manual Switch to speeds reference switching ramp 2 Input LI3 Preset Jog DC injection Freewheel stop speeds braking Output LO Current limit 100% thermal Reference attained 1.1 In reached state reached overload attained Output AO Motor frequency Motor frequency Motor frequency Motor frequency Output S2A-S2B Brake control Reference attained High speed attained Reference attained 19