176F0436

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The 176F0436 frequency converter offers a scalable analog input voltage level of 0 to ±10 V DC, 8 programmable digital inputs, full galvanic isolation on RS-485 serial communication, and a supply frequency range of 48-62 Hz ±1%. Part of the VLT 5000 Frequency Converters series by Danfoss, it features two programmable relay outputs.

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Product Description:

The drive 176F0436 locates at Danfoss top-reviewed VLT 5000 Frequency Converters product lineup. Featuring a control card and states control card analog input resolution as 10 bit + sign, this increases measurement granularity and reduces quantization error in feedback loops. The control card analog input accuracy of 1% of full scale defines the maximum input error; hence it sets thresholds for alarm and control tolerances. Analog input current range of 0/4 - ±20 mA scalable accepts standard current transducers and allows flexible scaling for differing sensor types and loop conversions.

The device offers analog input voltage level of 0 - ±10 V DC scalable and enables direct voltage sensor connection and permits easy mapping of sensor ranges to control parameters. Its 8 digital inputs programmable allows eight discrete channels for event sensing and allows segregation of safety, interlock and sequence signals. Moreover, the digital input voltage level 0-24 V DC with PNP positive logic standardizes signal levels and eases integration with common PLC outputs. The two relay outputs programmable provides two programmable relay contacts and supports independent alarm or sequence actions. The relay output max terminal load Ac1 includes 250 V AC, 2 A, 500 VA which defines the switching capacity for resistive loads. Its relay output max terminal load Dc1 is 25 V DC, 2 A / 50 V DC, 1 A, 50 W and sets DC switching limits and informs contact life and load type planning.

The AC line supply voltage range 3 x 200/208/220/230/240 V ±10% to cover multiple regional mains and permits straightforward supply selection. Its supply frequency of 48-62 Hz ±1% tolerates common frequency variation without timing errors. Also, its output voltage values 0-100% of supply voltage. Output frequency range is 0-132 Hz with model-dependent 0-1000 Hz provides low speed control and extended high speed operation where required. The true power factor 0.90 nominal at rated load defines real to apparent power ratio and assists supply and transformer sizing.

Ac Line Supply Voltage Range
3 x 200/208/220/230/240 V ±10%
Analog Input Current Range
0/4 - ±20 mA (scalable)
Analog Input Voltage Level
0 - ±10 V DC (scalable)
Control Card Analog Input Accuracy
1% of full scale
Control Card Analog Input Resolution
10 bit + sign
Digital Input Voltage Level
0-24 V DC (PNP positive logics)
Digital Inputs Programmable
8
Output Frequency Range
0-132 Hz, 0-1000 Hz (model dependent)
Output Voltage
0-100% of supply voltage
Relay Output Max Terminal Load Ac1
250 V AC, 2 A, 500 VA
Relay Output Max Terminal Load Dc1
25 V DC, 2 A / 50 V DC, 1 A, 50 W
Relay Outputs Programmable
2
Rs-485 Serial Communication
Full galvanic isolation
Supply Frequency
48-62 Hz ±1%
True Power Factor
0.90 nominal at rated load

Frequently Asked Questions about 176F0436:

Q: What is the maximum AC terminal load for relay outputs on 176F0436?

A: The relay output max terminal load AC1 is 250 V AC, 2 A, 500 VA. This AC rating defines the resistive switching capacity and the power handling per relay.

Q: What DC switching limits apply to relay outputs on 176F0436?

A: The relay output max terminal load DC1 is 25 V DC, 2 A or 50 V DC, 1 A, 50 W. These DC values specify safe switching ranges for resistive and inductive DC loads.

Q: What isolation is provided on the RS-485 serial communication for 176F0436?

A: The RS-485 serial communication feature in this cooling drive includes full galvanic isolation which separates bus signals from the mains and reduces ground loop risk.

Q: What AC line supply voltages are acceptable for 176F0436?

A: The AC line supply voltage range is 3 x 200/208/220/230/240 V ±10%. This multi-tap band allows use on several regional mains without hardware change.

Q: What is the analog input accuracy of the 176F0436 control card?

A: This module has analog input accuracy of 1% of full scale. It simply ensures reliable measurement and stable feedback performance.


Internal Product Review

  • ‘‘Danfoss made 176F0436 is a must-have module for all industries as it includes full galvanic isolation on the RS-485 interface to separate control bus and mains. The control card sustains stable I/O mapping under standard operating conditions. Its modular replacement and proper panel installation extend functional life.’’

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