Drive Specifications - YASKAWA A1000 Series Quick Start Manual

A Specifications

◆ 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.
Item
Control Method
Frequency Control Range
Frequency Accuracy
(Temperature Fluctuation)
Frequency Setting Resolution
Output Frequency Resolution 0.001 Hz
Frequency Setting Signal
Starting Torque
Speed Control Range
Control
Characteris
Speed Control Accuracy
tics
Speed Response
Torque Limit
Accel/Decel Time
Braking Torque
Braking Transistor
V/f Characteristics
Main Control Functions
128
The following control methods can be set using drive parameters:
• V/f Control (V/f)
• V/f Control with PG (V/f w/PG)
• Open Loop Vector Control (OLV)
• Closed Loop Vector Control (CLV)
• Open Loop Vector Control for PM (OLV/PM)
• Advanced Open Loop Vector Control for PM (AOLV/PM)
• Closed Loop Vector Control for PM (CLV/PM)
0.01 to 400 Hz
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)
Digital inputs: 0.01 Hz
Analog inputs: 1/2048 of the maximum output frequency setting (11 bit plus sign)
-10 to 10 V, 0 to 10 V, 0 to 20 mA, 4 to 20 mA, Pulse Train Input
V/f, V/f w/PG: 150% at 3 Hz
OLV: 200% at 0.3 Hz
<1>
CLV, AOLV/PM, CLV/PM: 200% at 0 r/min
OLV/PM: 100% at 5% speed
V/f, V/f w/PG: 1:40
OLV: 1:200
CLV, CLV/PM: 1:1500
<1>
OLV/PM: 1:20
AOLV/PM: 1:100
OLV: ±0.2% (25°C ±10°C), CLV: ±0.02% (25°C ±10°C)
<1>
OLV, OLV/PM, AOLV/PM: 10 Hz
<1>
CLV, CLV/PM: 50 Hz
Parameters setting allow separate limits in four quadrants (available in OLV, CLV, AOLV/PM, CLV/
PM)
0.0 to 6000.0 s (4 selectable combinations of independent acceleration and deceleration settings)
Approx. 20% (approx. 125% when using braking resistor)
Short-time decel torque
and over 20% for 2.2 kW and above motors
40%)
Continuous regenerative torque: approx. 20%
option : 10% ED, 10s)
<2>
Models 2A0004 to 2A0138, 4A0002 to 4A0072 have a built-in braking transistor.
User-selected programs and V/f preset patterns possible
Torque Control, Droop Control, Speed/torque Control Switching, Feed Forward Control, Zero
Servo Function, 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, PID
Control (with sleep function), Energy Saving Control, MEMOBUS/Modbus Comm. (RS-422/485
max, 115.2 kbps), Fault Restart, Application Presets, DriveWorksEZ (customized function),
Removable Terminal Block with Parameter Backup Function, Online Tuning, KEB, Overexcitation
Deceleration, Inertia (ASR) Tuning, Overvoltage Suppression, High Frequency Injection, etc.
YASKAWA ELECTRIC TOEP C710616 21C YASKAWA AC Drive - A1000 Quick Start Guide
Specification
: over 100% for 0.4/ 0.75 kW motors, over 50% for 1.5 kW motors,
<3>
(over excitation braking/High Slip Braking: approx.
<4>
(approx. 125% with dynamic braking resistor
<4>
<2>