176F7302
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The Danfoss 176F7302 belongs to the VLT Adjustable Micro Drives series and features a protected chassis with an IP20 enclosure. This drive operates with an input voltage range of 200 to 240 V AC and supports a continuous output current of 7.0 A. It has an efficiency of 0.95 and weighs just 2.25 lbs.
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Product Description:
Danfoss designs the 176F7302 VLT Micro Drive to provide compact and efficient motor control for 2 HP motors. It accepts both single-phase and three-phase input power. The input voltage range is 200–240 V AC. The input current is 15.7 A for single-phase models. The input current is 9.0 A for three-phase models. It operates on a standard 50/60 Hz AC frequency.
The 176F7302 micro drive delivers a three-phase output voltage up to 240 V. The maximum output current is 7.0 A. The drive has an output power capacity of 2.7 kVA. It can control motors up to 2 HP. Its frequency output range spans 0.1 to 400 Hz. The unit supports PNP and NPN logics through its 5 x digital outputs (programmable). It features a pulse input supporting 20–5000 Hz signals. It provides one analog input configurable as 0–10 V or 0–20 mA. The 176F7302 micro drive also includes a thermistor input that supports both analog and digital modes. There is also an analog output capable of 0–20 mA feedback. The communication is supported via RS-485 using FC-bus and Modbus RTU protocols. The drive supports the copy-settings function via the control panel to ease commissioning. It is built with high-quality components to ensure optimum heat dissipation and long lifespan. It includes built-in protections for earth fault, over-temperature, and short-circuit events.
The environmental requirements for the operation of 176F7302 micro drive range between -10 °C and 50 °C. Above 40 °C, the drive requires adequate ventilation. It should be free from strong magnetic fields or airborne metallic particles. The climatic rating is class 3K3 for the installation environment. Maintain at least 150 mm clearance around the drive for mounting.
Frequently Asked Questions about 176F7302:
Q: Why does the 176F7302 feature both analog and digital thermistor inputs?
A: Dual-mode thermistor input allows for either precise temperature monitoring or a simple overtemperature trip. This provides flexibility in implementing motor protection strategies based on application criticality.
Q: What is the integration purpose of the 176F7302's programmable digital inputs?
A: The five programmable digital inputs accept both PNP and NPN sensors for maximum PLC compatibility. They can be configured for commands like start/stop, preset speeds, or fault reset.
Q: How does the 176F7302's RS-485 with Modbus RTU aid system integration?
A: The RS-485 interface enables networked control and monitoring within a larger automation system. This allows for centralized parameter adjustment and real-time performance data logging.
Q: What is the operational impact of the 176F7302's 50°C maximum ambient temperature?
A: Operating above 40°C requires derating the output current to prevent internal thermal shutdown. Ensuring adequate clearance and ventilation is critical for maintaining full 2 HP capacity.
Q: Why is the 150mm clearance specified for mounting the 176F7302 drive?
A: The 150mm clearance is essential for convective airflow across the heatsink to dissipate waste heat. Insufficient space will trap heat, leading to premature derating and reduced component lifespan.
