TRIOL AT24 line UB
Place an orderDistinctive benefits
Control type
Vector sensorless (open-loop) control
Motor parameters
Auto-tuning
Built-in
PID-controller
Multi-stage speed control
16 steps
4 parameter sets
Acceleration and deceleration time
About product
Simple, reliable and cost-effective solution
Variable Frequency Drive Triol AT24 line UB is a basic solution for common process tasks with simple installation, quick commissioning and easy operating. AT24 UB is simple, reliable and cost-effective solution to control pumps and HVAC systems. The integrated terminal allows making settings without additional equipment and service software.
Specifications
Input | |
---|---|
Input voltage, V | 3х380 / 3×415 / 3х480 (-15 % …+10 %) |
Input frequency, Hz | 50 / 60 (-5 %…+5 %) |
Output | |
Output current, A | 1.2 … 110 |
Output frequency, Hz | 0.5…400 |
Frequency resolution, Hz | 0.1 |
Acceleration / deceleration time, s | 1 …36000 |
Overcurrent characteristics | 120 % of rated value for 60 sec |
Efficiency, % | >97 |
Motor control | |
Control methods | V/f (volts-per-hertz) (5 reference point) sensorless vector control (open-loop) sensor vector control (close-loop) |
PWM frequency, kHz | 2…10 |
Speed range | 1:100 in open-loop system 1:1000 in closed-loop system |
Speed accuracy (static) | ±10% of motor nominal slip in open-loop system ±0.1 % of rated speed in close-loop system |
Torque accuracy | ±10% in open-loop system ± 5 % in close-loop system |
Braking | By frequency Coasting Dynamic |
Acceleration / deceleration types | S-curve, linear (3 reference points) |
Interface | |
Terminal | Integrated seven-segment |
Light alarm | “Ready”; “Run”; “Control channel”, “Rotation” |
Push buttons | “Start”; “Stop”; “Fast access “ |
Control signals | |
Customer supply | 10 V DC, up to 30 mA 24 V DC, up to 150 mA |
Number of discrete inputs | 7 |
Discrete inputs | 2 Dl “Direction of rotation” by default 4 Dl programmable 1 Dl high speed pulse input |
Discrete inputs type | 24 V |
Number of relay outputs | 2 |
Relay outputs type | 250 V, 1 A |
Discrete output | 1 DO high speed or open collector |
Number of analog inputs | 2 |
Analog inputs | 1 Al 0…10 V by default 1 Al programmable 0…10 V or 0…5 mA or 4…20 mA |
Number of analog outputs | 2 |
Analog outputs | Programmable 0…10 V or 0…5 mA or 4…20 mA |
Communication | |
Physical Interface | 2 wire RS-485 for Modbus |
Communication protocols | Modbus RTU |
Frame transmission | 19200 bps by default 1200, 2400, 4800, 9600,19200, 38400 bps |
Data format | 8 bits, 1 stop bit, no parity |
Number of addresses | 1…247 for Modbus |
Access | Slave |
Protection | |
Supply protections | Phase loss |
Motor protections | Overload Phase loss |
VFD protections | Overload, Overheating, DC-link undervoltage, DC-link overvoltage, Power switch failure |
Insulation | Galvanic isolation between power and user circuits |
Insulation resistance | >1 MQ |
Configuration | |
Braking IGBT-chopper | Up to 15 kw: built-in From 18 kW: option, built-in |
Optional equipment | |
Braking resistors | Option, outdoor, by request |
Input line choke | Option, outdoor, by request |
Input EMC filter (C2) | Option, outdoor, by request |
Output dV/dt filter | Option, outdoor, by request |
Construction | |
Protection degree of Enclosure | IP21 |
Cabinet material | Up to 7.5 kw: plastic From 11 kW: steel |
Cooling | Forced air |
Noise level, @ 1 m, dB(A) | <75 |
Installation | Wall mounting |
Maintenance | One-side |
Cable entry | Bottom |
Operating conditions | |
Operating conditions | Indoor, no caustic and volatile air, no dust |
Operating temperature | -10…+40 °C (-10…+104 F) |
Storage temperature | -40…+50 °C (-40…+122 F) |
Relative humidity, % | from 5 to 90 non condensing |
Altitude, m | up to 1000 m – rated power above 1000 m – with reduced power |
Functions
- Start / stop / reverse of motor with set acceleration and deceleration rates
- Auto-tuning of motor parameters
- PID-controller
- 2-wire control
- 3-wire control
- Automatic restart
- Accelerated passing of resonant frequencies (2 ranges)
- Simple PLC and multi-step speed control with 16 steps and 4 acceleration / deceleration times
- Recording the last 3 reasons of failures