Drive specifications, A.2 drive specifications – Yaskawa AC Drive P1000 Bypass Technical Manual User Manual
Page 227
A.2 Drive Specifications
Note:
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.
Table A.7 Specifications
Item
Specification
Control
Character-
istics
Control Method
V/f Control (V/f)
Frequency Control Range
0.01 to 400 Hz
Frequency 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 Hz
Analog 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 mode
Output Frequency Resolution
0.001 Hz
Frequency 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 Hz
Speed Control Range
<1>
V/f: 1:40
Accel/Decel Time
0.0 to 6000.0 s (2 selectable combinations of independent acceleration and deceleration settings)
Braking Torque
Approx. 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, and over
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 resistor option
<2>
: 10% ED, 10s)
Braking Transistor
Models 2A0004 to 2A0138, and 4A0002 to 4A0072 have a built-in braking transistor.
V/f Characteristics
User-selected programs and V/f preset patterns possible
Main Control Functions
Droop 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, Slip Compensation,
Torque Compensation, Frequency Jump, Upper/lower Limits for Frequency Reference, DC Injection Braking
at Start and Stop, Overexcitation Braking, High Slip Braking, PI Control (with sleep function), Energy Saving
Control, MEMOBUS/Modbus Comm. (RS-422/RS-485 max, 115.2 kbps), Fault Restart, Application Presets,
Removable Terminal Block with Parameter Backup Function, Online Tuning, KEB, Overexcitation
Deceleration, Overvoltage Suppression, High Frequency Injection, Dynamic Noise Control
Protection
Functions
Motor Protection
Electronic thermal overload relay
Momentary Overcurrent
Protection
Drive stops when output current exceeds 170% of rated output current
Overload Protection
Drive stops when rated output current is 120% for 60 s
<5>
Overvoltage Protection
208 Vac Bypass Drive: Stops when DC bus voltage exceeds approx. 410 V
480 Vac Bypass Drive: Stops when DC bus voltage exceeds approx. 820 V
Undervoltage Protection
208 Vac Bypass Drive: Stops when DC bus voltage falls below approx. 190 V
480 Vac Bypass Drive: Stops when DC bus voltage falls below approx. 380 V
A.2 Drive Specifications
YASKAWA SIEP YAIP1B 01A YASKAWA AC Drive – P1000 Bypass Technical Manual
227
A
Specifications