Danfoss VLT Refrigeration Drive FC 103 Programming Manual

Also see for VLT FC 103: Service guide Installation guide Installation guide Operating guide Installation guide

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Danfoss VLT Refrigeration Drive FC 103 Programming Manual Manual pdf 182 page image

3.21 Parameters: 26-** Analog I/O OptionMCB 1093.21.1 26-** Analog I/O Option MCB 109VLT® Analog I/O Option MCB 109 extends the functionality of VLT® Refrigeration Drive FC 103 frequency converters, byadding a number of additional, programmable analog inputs and outputs. This could be especially useful in buildingmanagement system installations where the frequency converter may be used as decentral I/O, obviating the need for anoutstation and thus reducing cost.130BA382.10M MMP TTTHIllustration 3.68 Analog I/O Option MCB 109Analog I/O Carsd Control Card Power cardRoom temperatureSupply temperatureOutdoor temperatureHeating CoilCooling coilDampers orHeat recover WheelHumidifierDuct PressureHumidity sensorHumidifier stepsorCooling stepsRELAY1RELAY21 2 3 10 11 124 5 6 7 8 9 12 13 18 19 27 29 32 33 20 37 39 42 50 53 54 55 01 02 03 04 05 06130BA381.10X42AINAINAINAOUTAOUTAOUT24VDC24VDCDINDINDIN/DOUTDIN/DOUTDINDINAOUTAINAINIllustration 3.69 Analog I/O Option MCB 109Illustration 3.68 shows a typical air handling unit (AHU). As can be seen, the addition of the analog I/O option offers thepossibility to control all of the functions from the frequency converter, such as inlet-, return- and exhaust dampers, orheating/cooling coils with temperature and pressure measurements being read by the frequency converter.Parameter Description VLT® Refrigeration Drive FC 103180 Danfoss A/S © 05/2016 All rights reserved. MG16H20233