Megmeet MV820 - Page 12

12
Startup torque
0.25 Hz 150% (flux vector control without PG); 0.00 Hz 180% (flux vector control with
PG)
Product
functions
Key functions
Fast tracking, over-torque/under-torque detection, torque limit, multi-speed reference,
multiple acceleration/deceleration time switchover, auto-tuning, S curve
acceleration/deceleration, slip compensation, fan speed control, frequency hopping,
energy saving operation, PID adjustment, sleep function, power dip ride-through,
Modbus, torque control, torque control and speed control switchover, automatic
restart, DC braking, dynamic braking; simple PLC, AVR, 2 sets of motor parameters
switchover, fieldbus communication; master-slave control and so on.
Basic
frequency
0.01 Hz to 599.00 Hz
Startup
frequency
0.00 Hz to 50.00 Hz
Frequency
setting mode
Digital panel setting, analog reference: AI1/AI2, terminal pulse HDI setting; simple PLC
reference, multiple PLC reference, host controller communication setting, PID control
reference and fieldbus communication setting
Acceleration/
Deceleration
time
0.1 to 6000.0 (unit: 0.1 s)
Dynamic
braking
capacity
Built-in braking units for the whole MV820 series, braking ratio 0.0 to 100.0%
DC braking
capacity
Startup frequency: 0.00 Hz to 599.00 Hz; braking time: 0.1 s to 50.0 s
Braking current: 0% to 100%, according to the nominal rated current of the drive
Terminal
functions
Refer to the terminal function part for details.
Protection
function
Refer to the fault protection part for details.
Others
Efficiency
≧
93% (7.5 kW or below);
≧
95% (15 kW or below)
Installation
method
Wall-mounted: vertically mounted on a solid base indoors, with at least 100 mm space
for air inlet and outlet, and at least 10 mm left for both the left side and the right side
(excluding enclosure A/B), air cooling.
Protection
degree
IP20