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Parker AC890 drive is a versatile and powerful AC variable frequency drive (VFD) designed for a wide range of industrial applications.
The AC890 is a compact, modular system variable speed AC drive engineered to control speed and position of open-loop and closed-loop, single- or multi-motor AC induction or servo motor applications
Features
The AC890 is a compact and flexible variable speed systems AC drive achieving high performance and designed specifically for systems integration, saving you time and money. This modular system is engineered to control speed, torque and position of open-loop and closed-loop, single or multi-motor AC induction or PMAC motor applications. Compatible with a wide range of feedback options, the AC890 variable speed drive is compatible with any AC induction or PMAC motor and virtually any speed/position feedback option. Three option slots allow a wide range of communications and I/O modules to be easily added as required. DC or AC fed versions enable design flexibility, and conformal coating is available on most frame sizes. AC890 drives are available in 380-460/500V 3-phase 0.55 to 355kW and 220V-240V 3-phase 0.55 to 7.5kW.
Key Features:
- Modular Design:
- The AC890 is built with a modular design, allowing for flexible configuration to meet specific application requirements.
- This modularity extends to power modules, control modules, and feedback options.
- Control Modes:
- It supports multiple control modes, including:
- Open-loop (volts/frequency) control: For basic speed control.
- Sensorless vector control: For high torque and speed regulation without an encoder.
- Closed-loop vector control: For precise control with an encoder.
- 4 Quadrant Active Front End (AFE): For regenerative applications, feeding energy back to the mains.
- It supports multiple control modes, including:
- Application Versatility:
- The AC890 can control both AC induction and servo motors, making it suitable for diverse applications.
- It’s used in industries such as:
- Printing
- Converting
- Material handling
- And more.
- Feedback Options:
- It’s compatible with a wide range of feedback devices, including encoders and resolvers.
- Communications:
- The AC890 supports various communication protocols, enabling seamless integration with automation systems.
- Safety Features:
- It includes safety features like Safe Torque Off (STO).
Benefits:
Open communications for protection of investment:
The AC890 has been deliberately designed to integrate seamlessly into your automation network. To connect to your PLC or fieldbus network you can simply choose from the wide range of communication technology options.
• Ultra-fast control loops –
– Torque loop : 62.5µs / – Speed loop : 62.5µs / – Position loop : 62.5µs
Serves the most demanding applications:
Taking advantage of leading edge control algorithms running on a fast 150Mhz microprocessor, the AC890 drive can achieve very high-bandwidth control loops. This allows you to use the drive for the most demanding industrial applications e.g. printing, cut-to length, rotary shear, converting and slitting.
Minimal delay between the fieldbus setpoints and the control loops :
Designed to integrate in existing automation systems, the AC890 features high performance ports linked directly to the fast control loops of the drive. Minimum delay exists between your digital setpoint sent through a fieldbus and the control loops.
Native Peer-Peer communications:
• Cascading of setpoints, feedbacks and control signals from drive to drive using IEEE1394 or Can communications from drive to drive, configured with the powerful and easy to use project based DSE890 programming software
• Replacement of analogue solutions:
Your existing analogue setpoint-based solutions can be replaced by a digital fieldbus-based solution with minimal bandwidth loss.
Flexible feedback:
The AC890 offers system designers complete flexibility in their choice of feedback technology.
– Incremental encoder / – EnDat 2.1 (SinCos) encoder / – Resolver
The AC890 variable speed drives can be configured for 4 different modes of operation:
- Open-loop (volts / frequency) control : This mode is ideal for basic, single or multi-motor speed control.
- Sensorless vector control: With its ultra high performance sensorless vector algorithm, the AC890 delivers a combination of both high torque and close speed regulation without the need for a speed measurement device.
- Closed-loop vector control: Full closed-loop flux vector performance can be achieved with the AC890 by simply adding an encoder feedback option card . This provides 100% continuous full load standstill torque, plus a highly dynamic speed loop more than sufficient for the most demanding applications.
- Quadrant active front-end power supply module: With this configuration, the energy is fed back into the mains supply with sinusoidal currents and unity power factor; a very low current harmonic content is achieved (THD < 5%).
Technical Specifications
| Brand: | Parker |
| Product Type: | AC Drive |
| Drive Axis Type: | Single Axis Technology, Multi-Axis Technology |
| Product Series: | AC890 |
| Input Voltage: | 3*230 VAC, 3*380-480 VAC, 3*500-690 VAC, 320-705 VDC (Common Bus) |
| Output Power: | 0.55 to 1200 kW |
| Compatible Motor Type: | Brushless Servo, Frameless Servo, Induction, Spindle, Torque, Permanent Magnet AC (PMAC) |
| Compatible Feedback Device: | Resolver, Incremental Encoder |
| Modes of Control: | V/Hz, Sensorless Vector, Closed Loop Vector, Active Front End, Speed Control of Permanent Magnet Motor |
| Communication Interface: | RS232/RS485, CANopen, ControlNet, DeviceNet, Profibus, Profinet, Ethernet TCP/IP |
| Operating Temperature: | 0 to 45 °C for Frames B-F (derate up to 50°C max.)¦0-40¦for Frames G-K (derate up to 50°C max.), 32 to 113 °F for Frames B to F (derate up to 122°F max.), 32 to 104 °F for Frames G to K (derate up to 122°F max.) |
| Operating Altitude: | up to 1000 m ASL (derate > 1000m) |
| Overload Rating: | Heavy Duty Rating (Constant Torque) : 150% for 60s %, Normal Duty Rating (Variable Torque) : 110% for 60s %, Servo Mode Rating (Frames B-D) : 200% for 4s %, Servo Mode Rating (Frames E-J) : 150% for 60s % |
| Specifications Met: | CE (EMC & LVD), UL Listed, cUL Listed |
Applications:
- Extrusion
- Rolling mills
- Metal finishing
- Coating lines
- Forming rolls
- Fan & pump control
- Paper & pulp processing
- Printing
- Hoists and Winches
Parker AC890 is engineered to provide high-performance motor control with flexibility and reliability. Its modularity and diverse control capabilities make it a strong option for demanding industrial applications.