Yaskawa CIMR-PU - Manual (Page 69)

u Drive 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, 4A0002 to 4A0072, and 5A0003 to 5A0052 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
200 V class: Stops when DC bus voltage exceeds approx. 410 V
400 V class: Stops when DC bus voltage exceeds approx. 820 V
600 V class: Stops when DC bus voltage exceeds approx. 1040 V
Undervoltage Protection
200 V class: Stops when DC bus voltage falls below approx. 190 V
400 V class: Stops when DC bus voltage falls below approx. 380 V
600 V class: Stops when DC bus voltage falls below approx. 475 V
i.9 European Standards
YASKAWA ELECTRIC TOEP YAIP1U 03B YASKAWA AC Drive – P1000 Safety Precautions 69