Speed Up/Down; Potentiometer Reference; Connection Of A 2-Wire Transmitter; Ma Reference - Danfoss VLT 2800 Design Manual

Installation

3.5.3 Speed Up/Down

Speed up/down using terminals 29/33.
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Parameter 302 Digital input=[7] Start
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Parameter 303 Digital input=[14] Freeze reference
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Parameter 305 Digital input=[16] Speed up
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Parameter 307 Digital input=[17] Speed down
Illustration 3.39 Speed Up/down Connection

3.5.4 Potentiometer Reference

Voltage reference via a potentiometer.
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Parameter 308 Analog input=Reference [1]
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Parameter 309 Terminal 53, min. scaling=0 V
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Parameter 310 Terminal 53, max. scaling=10 V
Illustration 3.40 Potentiometer Reference
MG27E402
Design Guide

3.5.5 Connection of a 2-Wire Transmitter

Connection of a 2-wire transmitter as feedback to terminal
60.
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Illustration 3.41 Connection of a 2-Wire Transmitter

3.5.6 4-20 mA Reference

4-20 mA reference on terminal 60 and speed feedback
signal on terminal 53.
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Illustration 3.42 4-20 mA Reference Connection
Danfoss A/S © Rev. May/2014 All rights reserved.
Parameter 314 Analog input=Feedback [2]
Parameter 315 Terminal 60, min. scaling=4 mA
Parameter 316 Terminal 60, max. scaling=20 mA
Parameter 100 Configuration=[1] Speed closed loop
Parameter 308 Analog input=[2] Feedback
Parameter 309 Terminal 53, min. scaling=0 V
Parameter 310 Terminal 53, max. scaling=10 V
Parameter 314 Analog input=[1] Reference
Parameter 309 Terminal 60, min. scaling=4 mA
Parameter 310 Teminal 60, max. scaling=20 mA
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