Altivar 32 Variable Speed Drives Page 11 Specifications

11 Altivar 32 variable speed drives I/O & Control Specifications I/O & Control specifications Terminal Function Type Specifications STO STO (Safe Torque Off) safety function input I 24 Vdc; Impedance: 1.5 k P24 Terminal point for external power supply for control circuit/internal power supply for STO I/O +24 Vdc Tolerance: -15 to +20% Current: 1.1 A max. +24 Logic input power supply O +24 Vdc Tolerance: -15 to +20% Current: 100 mA LI1 LI2 LI3 LI4 Logic inputs I Four programmable logic inputs configurable as sink or source using SW1 switch + 24 V power supply (max. 30 V) State 0 if < 5 V, state 1 if > 11 V (in source mode) State 0 if > 19 V, state 1 if < 13 V (in sink mode) Response time: 8 ms at stop LI5 LI6 Logic inputs I If programmed as logic inputs, same characteristics as LI1 to LI4 LI5 can be programmed as pulse input 20 kpps (pulse per second) LI6 can be used as PTC using SW2 switch Trip threshold 3 k , reset threshold 1.8 k Short-circuit detection threshold < 50 COM Analog I/O common I/O 0 V AI1 Analog input voltage I Analog input: 0 +10 V Impedance: 30 k Resolution: 10 bits converter Precision: v 0.5% in 50/60 Hz for 77 F (25 C) v 0.2% in 50/60 Hz for 14 F (-10 C) to 140 F (60 C) at = 140 F (60 C) Linearity: 0.2% (max. 0.5%), of max. value Sampling time: 2 ms 10 V Power supply for speed reference potentiometer O +10 Vdc Tolerance: 0 to +10% Current: 10 mA max AI2 Analog input voltage I Bipolar analog input 0 10 V (maximum voltage 30 V) The + or - polarity of the voltage on AI2 affects the direction of the setpoint and therefore the direction of operation. Impedance: 30 k Resolution: 10 bits Precision: v 0.5% in 50/60 Hz for 77 F (25 C) v 0.2% in 50/60 Hz for 14 F (-10 C) to 140 F (60 C) at = 140 F (60 C) Linearity: 0.2% (max. 0.5%), of max. value Sampling time: 2 ms AI3 Analog input current I Analog input 0-20 mA (or 4-20 mA, X-20 mA, 20-Y mA). X and Y can be programmed from 0 mA to 20 mA Impedance: 250 Resolution: 10 bits Precision: v 0.5% in 50/60 Hz for 77 F (25 C) v 0.2% in 50/60 Hz for 14 F (-10 C) to 140 F (60 C) at = 140 F (60 C) Linearity: 0.2% (max. 0.5%), of max. value Sampling time: 2 ms COM Analog I/O common I/O 0 V COM Analog I/O common I/O 0 V COM Analog I/O common I/O 0 V

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