15
NTT 240/460
Introduction
Installation and user guide
Rev: 4.0
2.06 Technical data
NTT 240/460 TECHNICAL FEATURES
Control
Fully digital ring regulation control:
•
Synchronous AC brushless rotary and linear motor: FOC control, SVM modulation, with
feedback or sensorless.
•
Asynchronous inductive rotary motor: V/Hz and FOC control, SVM modulation, with
feedback or sensorless.
•
Synchronous AC brushless rotary and linear motor: Trapezoidal modulation only with
HALL sensors.
•
Permanent magnets continuous current rotary motor with feedback.
Speed, torque, position and pressure reference:
•
via analog input or frequency input (pulse train).
•
single parameter or parameter table selectable via digital input o fieldbus.
•
with torque limit management.
•
with factors management useful to make easier convertions.
•
with change target on the fly.
•
with trapezoidal ramps or S ramps distinct for rotation direction.
Position feedback:
•
motor sensor (incremental or absolute encoder or resolver).
•
external incremental encoder.
Available filters:
•
Observer on motor feedback.
•
Notch filter on current reference.
•
Iq filter on quadrature current to motor.
•
PB filter in analog and digital input.
Motor autophasing procedure available for all feedback.
Digital I/O fully programmable.
Cogging motor compensation available for brushless motors.
DC braking procedure available for asynchronous inductive motors.
Motor mechanical brake management.
Drive setting via Caliper software or via display and keypad (limited parameter set).
Protections and
diagnostics
Short-circuit of motore and between phase and earth.
AC power supply overvoltage and undervoltage.
Overpressure and underpressure.
Phase lack and voltage lack for power supply.
Digital I/O +24V voltage lack.
Overcurrent limitation.
Drive heatsink overtemperature (Fan dynamic management).
Motor thermal image and motor PTC.
Braking resistor thermal image.
Resolver and Hall sensors/encoder damage.
Safety stop input STO, Safe Torque Off.
Drive status and alarms/warning occured shown via 5-digit display.
Fieldbus status shown via LEDs and 5-digit display.
Operating
and storage
condition
Operating temperature: 0°C / +40°C.
Storage and transport : -20°C / +70°C.
Altitude: up to 1000m. For upper altitude, degrade drive by 1% each additional 100meters.
Protection level: IP20.
Содержание NTT 240
Страница 129: ......
