GE VAT2000 Instruction Manual

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Contents

6. Control Functions and Parameter Settings6-56-2 Block-A parametersThe parameters used most frequently have been grouped in Block-A.Block-A parameters listApplicationNo. Parameter Unit Default Min. Max. FunctionST V/f VEC PMA00 – Frequency setting0 Local frequencysettingHz 10.00 0.10 Max. fre-quencyThis is the frequency set from theoperation panel.1 Frequency setting forjoggingHz 5.00 0.10 Max.fre-quencyThis is the frequency setting forjogging.2 Local speed setting min–1 300.0 –Max.speedMax.speedThis is the speed set from theoperation panel. 3 Speed setting forjoggingmin–1 100.0 –Max.speedMax.speedThis is the speed setting for jogging. A01 – Acceleration/deceleration time0 Acceleration time – 1 sec 10.0 0.1 6000.0 1 Deceleration time – 1 sec 20.0 0.1 6000.0This is the time to reach the max.frequency or max. speed from 0This value can be set x0.1 or x10units by setting the parameter B10-5accordingly.A02 – Torque boost0 Manual torque boostselection2. 1. 2. 1: Disable = 2: Enable 1 Automatic torqueboost selection1. 1. 2. 1: Disable = 2: Enable 2 Manual torque boostsetting% Inverterrating0.0 20.0 This is the boost voltage at 0Hz.This is automatically adjusted by theautomatic tuning.3 Square reductiontorque setting% 0.0 0.0 25.0 This is the reduced voltage at half ofbase frequency.4 R1 dropcompensation gain% 50.0 0.0 100.0 This is the voltage compensationbecause R1 drop5 Slip compensationgain% 0.0 0.0 20.0 This is the motor’s rated slip.This is automatically adjusted by theautomatic tuning.6 Maximum torqueboost gain% 0.0 0.0 50.0 This is automatically adjusted by theautomatic tuning.A03 – DC Brake0 DC braking voltage % Inverterrating0.1 20.0 This is automatically adjusted by theautomatic tuning.1 DC braking time sec 2.0 0.0 20.0 2 DC braking current % 50. 0. 150. A04 – Custom parameters01234567Custom – 0– 1– 2– 3– 4– 5– 6– 7Set the parameter Nos. to bedisplayed in this block inC10-0~7.A05 – Block B, C parameter skip0 Extended setting 2. 1. 2. = 1 : Display, = 2 : Skip 1 Software optionfunction2. 1. 2. = 1 : Display, = 2 : Skip 2 Hardware optionfunction2. 1. 2. = 1 : Display, = 2 : Skip