Yaskawa Z1000 AC Drive HVAC - Manual (Page 253)

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.
Item Specification
Control
Character-
istics
Control Method
The following control methods can be set using drive parameters:
• V/f Control (V/f)
• Open Loop Vector Control for PM (OLV/PM)
Frequency Control Range 0.01 to 240 Hz
Frequency Accuracy
(Temperature Fluctuation)
Digital input: within ±0.01% of the max output frequency (-10 to +50 °C [14 to 122 °F])
Analog input: within ±0.1% of the max output frequency (25 °C ±10 °C [77 ±50°F])
Frequency Setting
Resolution
Digital inputs: 0.01 Hz
Analog inputs: 1/1000 of the maximum output frequency setting (10 bit unsigned)
Output Frequency
Resolution
0.001 Hz
Frequency Setting Signal DC 0 to +10 V (20 kΩ), 4 to 20 mA (250 Ω)
0 to 20 mA (250 Ω)
Starting Torque <1>
V/f: 140% at 3 Hz
OLV/PM: 50% at 6 Hz
Speed Control Range <1>
V/f: 1:40
OLV/PM: 1:20
Speed Response <1> OLV/PM: 10 Hz
Accel/Decel Time 0.0 to 6000.0 s (4 selectable combinations of independent acceleration and deceleration settings)
Braking Torque Approximately 20%
V/f Characteristics User-selected programs and V/f preset patterns possible
Main Control Functions
Momentary Power Loss Ride-Thru, Speed Search, Overtorque/Undertorque Detection, 4 Step Speed
(max), Accel/Decel Switch, S-curve Accel/decel, 3-Wire Sequence, Auto-Tuning (Stationary for Line-to-
Line Resistance, Rotational for V/f Control), 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, APOGEE FLN Comm. (RS-422/RS-485 4.8 kbps), BACnet Comm. (RS-485 max. 76.8 kbps),
MEMOBUS/Modbus Comm. (RS-422/RS-485 max, 115.2 kbps), Metasys N2 Comm. (RS-422/RS-485
9.6 kbps), Fault Restart, Application Presets, KEB, Overexcitation Deceleration, Overvoltage Suppression,
Sequence Timer Operation, Secondary PI Control, Bypass Operation, HOA Keypad, Dynamic Noise
Control
A.2 Drive Specifications
YASKAWA ELECTRIC TOEP YAIZ1U 03A YASKAWA AC Drive – Z1000 User Manual 253
A
Specifications