Altivar 71 And Altivar 71 Plus Variable Speed Drives Page 41 Accessories and Options

41 Altivar 71 variable speed drives I/O Extension Card Options Accessories & Options Specifications of Option Card VW3A3202 Control Terminals Designation Terminal Specification Relay output 4 (R4A N.O. contact, R4B N.C. contact) R4A R4B R4C Switching capacity min. 3 mA at 24 Vdc Switching capacity max. 5 A at 250 Vac (cos j = 1) or 30 Vdc, max. 2 A at 250 Vac (cos j = 0.4) or 30 Vdc (L/R = 7 ms) Reaction time 10 ms 0.5 ms, typical life cycle of 100.000 switching cycles at max. switching capability Sampling voltage must correspond to overvoltage category II so that the PELV conditions for the remaining control terminals are fulfilled. Voltage supply for potentiometer 1-10 k W -10 -10 Vdc (-10.5 V 0.5 V) max. 10 mA; short circuit protected Analog input AI3 (Usage and limits can be adjusted with parameter settings.) AI3+ AI3- 0(4)-20 mA, differential amplifier, impedance 250 W , Reaction time 5 ms 1 ms, resolution 11 bits + 1 sign bit, accuracy 0.6% at = +60 C (+140 F), linearity 0.15% Analog input AI4 (Selection, usage, and limits can be adjusted with parameter settings.) AI4 0 to +10 Vdc (floating up to max. 24 V), impedance 30 k W 1 or 0(4)-20 mA, impedance 250 W Reaction time 5 ms 1 ms, resolution 11 bits, Accuracy 0.6 % at = +60 C (+140 F), linearity 0.15% Ground COM 0 V reference potential for analog in-/outputs Analog output AO2 AO2 0-10 Vdc or -10/+10 Vdc according to software configuration, min. load impedance 500 W 1 or 0(4)-20 mA, max. load impedance 500 W Resolution 10 bits, reaction time 5 ms 1 ms, accuracy 1% at = +60 C (+140 F), linearity 0.2% Analog output AO3 AO3 Sampling voltage for logic inputs (Sink/Source-switching is selected with selector switch SW4.) +24 Selector switch SW4 in position Source or Sink Int.: +24 Vdc (min. 21 V, max. 27 V), short circuit protected max. 50 mA (for basic device and options) Selector switch SW4 in position Sink Ext.: Input for external voltage supply +24 Vdc of the logic inputs Logic inputs LI11-LI14 (Usage can be specified with parameter settings. Sink/Source-switching is selected with selector switch SW4.) LI11 +24 Vdc (max. 30 V), impedance 3.5 k W , reaction time 5 ms 1 ms Positive logic (Source) or negative logic (Sink) Compatible with Level 1 PLC Standard IEC 65A-68 SW4 at Source (factory setting): High > 11 Vdc, Low < 5 Vdc SW4 at Sink Int. or Sink Ext.: High < 10 Vdc, Low > 16 Vdc LI12 LI13 LI14 Ground 0 V 0 V reference potential for logic inputs Thermistor input 3 TH3+ TH3- For a maximum of 6 PTC thermistors in series (1) Thermistor nominal value < 1.5 k W , threshold value 3 k W Disengaging value 1.8 k W , short circuit monitoring at < 50 W Frequency input FP FP Frequency range 0-30 kHz, 1:1 10 %, reaction time 5 ms 1 ms Input voltage 5 Vdc, 15 mA Series resistor for 12 V = 510 W , for 15 V = 910 W , for 24 V = 1.3 k W (max. 30 V); High > 3.5 V, Low < 1.2 V Logic output LO3 (Usage can be specified with parameter settings.) LO3 +24 Vdc open collector outputs, floating ground Positive logic (Source) or negative logic (Sink) Compatible with Level 1 PLC Standard IEC 65A-68 Switching capacity max. 200 mA at 12-30 Vdc Reaction time: 2 ms 0.5 ms Logic output LO4 (Usage can be specified with parameter settings.) LO4 Common CLO Reference potential of the logic outputs Ground 0 V 0 V general use (1) Shield the wiring and lay the cables separate from the motor cable.

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