175Z7057
Wake Industrial LLC is not an authorized distributor of this product.
MPN: VLT6032HT4C54STR3DLF00A00C0
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The Danfoss 175Z7057 is part of the VLT 6000 HVAC Drives series, operating with an input voltage of 3 x 380-460 V AC ±10%. It provides a nominal output current of 37.5A at 400V and 34A at 460V. The drive features a typical shaft output power of 25 HP and is housed in a NEMA 1 / NEMA 12 enclosure.
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Product Description:
The 175Z7057 Frequency Converter from Danfoss offers wide frequency regulation, rapid response and precise speed accuracy. The unit supports both digital and analogue inputs for flexible integration. It ensures reliable operation under demanding industrial and environmental conditions with durable construction and compliance to international standards.
The 175Z7057 frequency converter includes eight programmable digital inputs operating at 0 - 24 V DC using PNP positive logic. The logical “0” is defined below 5 V DC and logical “1” above 10 V DC. The maximum voltage on digital input is 28 V DC with resistance of 2 kΩ. Each digital input is scanned in 3 ms. The analogue input capability is provided through two programmable voltage or thermistor inputs on terminals 53 and 54. These inputs accept 0 - 10 V DC signals with approximate resistance of 10 kΩ. Additionally, one programmable analogue current input is available on terminal 55 with a range of 4 - 20 mA. This input is scalable and offers 200 Ω resistance. The input resolution of the inputs is 10 bit with sign. The maximum error is within 1 % of full scale while scanning time per analogue input is also 3 ms.
The frequency range of the 175Z7057 frequency converter spans from 0 Hz to 1000 Hz. The output frequency resolution of the model is ± 0.003 Hz that enables precise control of motor performance. The system response time is 3 ms for dynamic industrial operations. In open loop control, speed range is 1:100 of synchronous speed. The speed accuracy in open loop is ± 7.5 rpm at below 1500 rpm and within 0.5 % of actual speed when operating above 1500 rpm.
Frequently Asked Questions about 175Z7057:
Q: How does the 175Z7057 frequency converter ensure consistent speed accuracy in variable load environments?
A: It maintains ±7.5 rpm precision below 1500 rpm and stays within 0.5% above that threshold. This allows consistent motor performance even in open loop operations.
Q: How does the 175Z7057 frequency converter support rapid input processing during dynamic machine control?
A: Each digital input is scanned every 3 ms using PNP logic. The system quickly translates voltage signals into actionable commands for reliable, real-time control.
Q: How do the analogue inputs in the 175Z7057 frequency converter adapt to multi-signal configurations?
A: It supports 0–10 V DC voltage or thermistor signals on two terminals and a 4–20 mA input on another. This flexibility allows scalable integration with external sensors or controllers.
Q: How does the 175Z7057 frequency converter handle fine frequency tuning in high-precision setups?
A: It delivers an output frequency resolution of ±0.003 Hz across a full 0–1000 Hz range. This precision benefits applications requiring extremely accurate speed regulation and minimal drift.
Q: How does the 175Z7057 frequency converter respond during fast-paced industrial transitions?
A: It achieves a total system response time of 3 ms. This ensures near-instantaneous adaptation to control changes, essential for high-speed or feedback-sensitive environments.
