A.2 Drive SpecificationsNote: 1. Perform rotational Auto-Tuning to obtain the performance specifications given below.2. For optimum performance life of the drive, install the drive in an environment that meets the required specifications.Item SpecificationControlCharacter-isticsControl Method V/f Control (V/f)Frequency Control Range 0.01 to 400 HzFrequency Accuracy(Temperature Fluctuation) Digital input: within ±0.01% of the max output frequency (-10 to +40 °C)Analog input: within ±0.1% of the max output frequency (25 °C ±10 °C)Frequency Setting Resolution Digital inputs: 0.01 HzAnalog inputs: 1/2048 of the maximum output frequency setting (11 bit plus sign)Resolution of analog inputs A1 and A3 is 10 bit + sign in current modeOutput Frequency Resolution 0.001 HzFrequency Setting Signal Main speed frequency reference: DC -10 to +10 V (20 kΩ), DC 0 to +10 V (20 kΩ),4 to 20 mA (250 Ω), 0 to 20 mA (250 Ω)Main speed reference: Pulse train input (max. 32 kHz)Starting Torque <1> V/f: 150% at 3 HzSpeed Control Range <1> V/f: 1:40Accel/Decel Time 0.0 to 6000.0 s (2 selectable combinations of independent acceleration and deceleration settings)Braking TorqueApprox. 20% (approx. 125% when using braking resistor) <2>• Short-time decel torque <3> : over 100% for 0.4/ 0.75 kW motors, over 50% for 1.5 kW motors, andover 20% for 2.2 kW and above motors <4> (overexcitation braking/High Slip Braking: approx. 40%)• Continuous regenerative torque: approx. 20% <4> (approx. 125% with dynamic braking resistoroption <2> : 10% ED, 10s)Braking Transistor Models 2A0004 to 2A0138, 4A0002 to 4A0072, and 5A0003 to 5A0052 have a built-in brakingtransistor.V/f Characteristics User-selected programs and V/f preset patterns possibleMain Control FunctionsDroop Control, Feed Forward Control, Momentary Power Loss Ride-Thru, Speed Search, Overtorque/Undertorque Detection, Torque Limit, 17 Step Speed (max), Accel/decel Switch, S-curve Accel/decel,3-wire Sequence, Auto-tuning (rotational, stationary tuning), Dwell, Cooling Fan on/off Switch, SlipCompensation, Torque Compensation, Frequency Jump, Upper/lower Limits for Frequency Reference,DC Injection Braking at Start and Stop, Overexcitation Braking, High Slip Braking, PI Control (withsleep function), Energy Saving Control, MEMOBUS/Modbus Comm. (RS-422/RS-485 max, 115.2kbps), Fault Restart, Application Presets, Removable Terminal Block with Parameter Backup Function,Online Tuning, KEB, Overexcitation Deceleration, Overvoltage Suppression, High FrequencyInjection, Dynamic Noise ControlProtectionFunctionsMotor Protection Electronic thermal overload relayMomentary OvercurrentProtection Drive stops when output current exceeds 170% of rated output currentOverload Protection Drive stops when rated output current is 120% for 60 s <5>Overvoltage Protection 200 V class: Stops when DC bus voltage exceeds approx. 410 V400 V class: Stops when DC bus voltage exceeds approx. 820 V600 V class: Stops when DC bus voltage exceeds approx. 1040 VUndervoltage Protection 200 V class: Stops when DC bus voltage falls below approx. 190 V400 V class: Stops when DC bus voltage falls below approx. 380 V600 V class: Stops when DC bus voltage falls below approx. 475 VA.2 Drive SpecificationsYASKAWA ELECTRIC TOEP YAIP1U 01B YASKAWA AC Drive - P1000 Quick Start Guide 179A Specifications