131F6648
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MPN: FC-202P18KT4E20H1XGXXXXSXXXXAXBXCXXXXDX
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The 131F6648 VLT drive supports a power capacity of 15/18.5 kW, an output current of 32/37.5 A, and operates within a main voltage range of 380-480 volts. Part of the VLT FC 202 AQUA Drives series by Danfoss, it features an enclosure rating of IP20 and operates efficiently within temperatures ranging from -10 to +50°C.
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Product Description:
The 131F6648 Adjustable Frequency Drive ensures safe operations through electronic thermal motor protection and automatic derating. The drive prevents overheating, controls motor speed accurately and supports reliable input/output interfaces. It’s built for high performance environments requiring dependable operation.
The 131F6648 frequency drive from Danfoss uses electronic thermal protection to guard motors from overload. A heatsink temperature monitor trips the drive at 203 °F ± 41 °F (95 °C ± 5 °C). The reset occurs only when temperature drops below 158 °F ± 9 °F (70 °C ± 5 °C). An automatic derating function minimizes the chance of overheating. The drive includes two programmable pulse inputs that are connected via terminals 29 and 33. It supports up to 110 kHz (push-pull) and 5 kHz (open collector) pulse frequencies. The minimum detectable frequency is 4 Hz. The input voltage rating is 28 V DC and the resistance is around 4 kΩ. The pulse input accuracy (0.1 – 1 kHz) has a maximum error of 0.1 % of full scale. For 24 V DC control, terminals 12 and 13 provide output with a max load of 200 mA. This 24 V DC supply is galvanically isolated from PELV supply voltage but shares potential with analog/digital signals. The control card performs scans every 5 ms that enables fast data handling.
The 131F6648 frequency drive requires a minimum cable cross section of 0.016 in² (10 mm²) or two rated line power wires terminated separately. It must not be used on IT power systems if voltage between phase and ground exceeds 440 V. The USB 1.1 full speed standard is used for serial communication. The physical connection uses a USB Type B “device” plug. This facilitates quick data transfer and easy firmware updates.
Frequently Asked Questions about 131F6648:
Q: How does the 131F6648 frequency drive manage thermal stress during sustained high-load operation?
A: It integrates electronic thermal protection with temperature monitoring of the heatsink. Automatic derating reduces drive output to prevent overheating and extend component lifespan.
Q: What are the input pulse handling capabilities of the 131F6648 frequency drive in high-speed control systems?
A: Terminals 29 and 33 support programmable pulse inputs up to 110 kHz (push-pull). This enables accurate pulse-based speed commands in fast-response automation environments.
Q: How does the 131F6648 frequency drive protect signal integrity across its 24 V DC outputs?
A: The 24 V DC control supply is galvanically isolated from PELV but shares potential with analog/digital signals. This helps maintain electrical separation while allowing logical reference continuity.
Q: What are the communication and update provisions in the 131F6648 frequency drive for external interfacing?
A: It uses USB 1.1 full-speed with a Type B device connector for serial data. This setup supports quick parameter transfers and easy firmware upgrades in field environments.
Q: How should the 131F6648 frequency drive be wired to meet electrical safety and compliance requirements?
A: It requires a minimum 10 mm² cable or two rated power wires connected individually. Use is restricted on IT systems where phase-to-ground voltage exceeds 440 V.
