Parameters: 26-** Analog I/O Option Mcb 109 - Danfoss VLT FC 102 Programming Manual

Parameter Descriptions

3.24 Parameters: 26-** Analog I/O Option MCB 109

VLT ® Analog I/O Option MCB 109 extends the functionality of VLT
additional, programmable analog inputs and outputs. This could be especially useful in building management system instal-
lations where the frequency converter may be used as de-central I/O, obviating the need for an outstation and thus
reducing cost.
3 3
T
Illustration 3.88 Analog I/O Option MCB 109
Analog I/O Carsd
X42 1 2 3
Illustration 3.89 Analog I/O Option MCB 109
Illustration 3.88 a typical air handling unit (AHU). As can be seen, the addition of the analog I/O option offers the possibility
to control all of the functions from the frequency converter, such as inlet-, return- and exhaust dampers, or heating/cooling
coils with temperature and pressure measurements being read by the frequency converter.
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M M
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®
VLT HVAC Drive FC 102
®
HVAC Drive frequency converters, by adding a number of
P
M
Control Card
12 13 18 19 27 29 32 33 20 37 39 42 50 53 54 55
T
T
H
Power card
01 02 03 04 05 06
Humidi er steps
or
Cooling steps
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