Danfoss VLT Series Quick Manual page 34

Hvac basic drive cascade controller
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Quick Guide
1
1
Cable lengths and cross sections
Max. motor cable length, screened/armoured (EMC correct installation)
Max. motor cable length, unscreened/unarmoured
Max. cross section to motor, mains*
Cross section DC terminals for filter feedback on enclosure frame H1-H3, I2, I3, I4
Cross section DC terminals for filter feedback on enclosure frame H4-H5
Maximum cross section to control terminals, rigid wire
Maximum cross section to control terminals, flexible cable
Minimum cross section to control terminals
*See 1.8.1 Mains Supply 3x380-480 V AC for more information
A)
Digital inputs
Programmable digital inputs
Terminal number
Logic
Voltage level
Voltage level, logic '0' PNP
Voltage level, logic '1' PNP
Voltage level, logic '0' NPN
Voltage level, logic '1' NPN
Maximum voltage on input
Input resistance, R
Digital output
Programmable digital outputs
Terminal number
Voltage level at digital output
Max. output current (sink or source)
1)
Terminals 27 and 29 can also be programmed as digital inputs.
Analog inputs
Number of analog inputs
Terminal number
Terminal 53 mode
Terminal 54 mode
Voltage level
Input resistance, R
Max. voltage
Current level
Input resistance, R
Max. current
Analog output
Number of programmable analog outputs
Terminal number
Current range at analog output
Max. load to common at analog output
Max. voltage at analog output
Accuracy on analog output
Resolution on analog output
1)
Terminal 42 and 45 can also be programmed as digital outputs.
32
i
A)
i
i
A)
MG18F402 - VLT
®
VLT
HVAC Basic Drive Cascade Controller Quick Guide
®
is a registered Danfoss trademark
See 1.8.2 EMC Test Results
4 mm
2
/11 AWG
2
16 mm
2
2.5 mm
/14 AWG)
2
2.5 mm
/14 AWG)
0.05 mm
2
/30 AWG
18, 19, 27, 29
PNP or NPN
0-24 V DC
<5 V DC
>10 V DC
>19 V DC
<14 V DC
28 V DC
Approx. 4 k
0-24 V DC
Parameter 6-19: 1=voltage, 0=current
Parameter 6-29: 1=voltage, 0=current
approx. 10 kΩ
0/4 to 20 mA (scalable)
0/4-20 mA
Max. error: 0.4% of full scale
50 m
/6 AWG
4
2
1)
27, 29
40 mA
2
53, 54
0-10 V
20 V
<500 Ω
29 mA
2
1)
42, 45
500 Ω
17 V
10 bit

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