Yaskawa AC Drive Z1000 HVAC - Manual (Page 47)

u Drive 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 0 to 10 V, 0 to 20 mA, 4 to 20 mA
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
Protection
Functions
Motor Protection Electronic thermal overload relay
Momentary Overcurrent
Protection
Drive stops when rated output current exceeds 175%
Overload Protection
Drive stops after 60 s at 110% of rated output current <2>
Drive stops after 0.5 s at 140% of rated output current <2>
Overvoltage Protection
200 V class: Stops when DC bus voltage exceeds approx. 410 V
400 V class: Stops when DC bus voltage exceeds approx. 820 V
i.6 European Standards
YASKAWA ELECTRIC TOEP YAIZ1U 01A YASKAWA AC Drive – Z1000 Safety Precautions 47