Danfoss VLT HVAC Drive Instruction Manual page 72

6. How to program the adjustable frequency
drive
Function:
Select a variable for display in line 1, left po-
sition.
None
Control Word
Reference [Unit]
(sum of digital/analog/preset/bus/freeze ref./
catch up and slow-down) in selected unit.
*Reference %
of digital/analog/preset/bus/freeze ref./catch
up and slow-down) in percent.
Status Word [binary]
word
Main Actual Value
more warnings in a Hex code
Power [kW]
6
by the motor in kW.
Power [hp]
by the motor in HP.
Motor Voltage [V]
to the motor.
Frequency [Hz]
i.e., the output frequency from the adjustable
frequency drive in Hz.
Motor Current [A]
the motor measured as effective value.
Frequency [%]
i.e., the output frequency from the adjustable
frequency drive in percent.
Torque [%]
percentage of the rated motor torque.
Speed [RPM]
tions per minute), i.e., the motor shaft speed
in closed-loop based on the entered motor
nameplate data, the output frequency and the
load on the adjustable frequency drive.
Motor Thermal
motor, calculated by the ETR function. See al-
so parameter group 1-9* Motor Temperature.
DC Link Voltage [V]
circuit voltage in the adjustable frequency
drive.
Brake Energy /s
ergy transferred to an external brake resistor.
Stated as an instantaneous value.
Brake Energy /2 min
gy transferred to an external brake resistor.
The mean power is calculated continuously for
the latest 120 seconds.
Heatsink
Present heat sink temperature of the adjust-
72
[0] No display value selected
[1600] Present control word
[1601] Total reference
[1602] Total reference (sum
[1603] Present status
[1605] [Hex] One or
[1610] Actual power consumed
[1611] Actual power consumed
[1612] Voltage supplied
[1613] Motor frequency,
[1614] Phase current of
[1615] Motor frequency,
[1616] Present motor load as a
[1617] Speed in RPM (revolu-
[1618] Thermal load on the
[1630] Intermediate
[1632] Present braking en-
[1633] Braking ener-
Temperature [°C]
MG.11.A4.22 - VLT
able frequency drive. The cut-out limit is 203
± 9°F [95 ± 5°C]; cutting back in occurs at
158 ± 9°F [70 ± 5°C].
Inverter Thermal
the inverters
Inv. Nom. Current
of the adjustable frequency drive.
Inv. Max. Current
of the adjustable frequency drive.
SL Control State
executed by the control
Control Card Temperature
perature of the control card.
External Reference
external reference as a percentage, i.e., the
sum of analog/pulse/bus.
Feedback [Unit]
from programmed digital input(s).
Digital Input
[1660] Displays the status of
the 6 digital input terminals (18, 19, 27, 29,
32 and 33). Input 18 corresponds to the bit at
the far left. Signal low = 0; Signal high = 1
Terminal 53 Switch Setting
of input terminal 53. Current = 0; Voltage =
1.
Analog Input 53
put 53 either as a reference or protection
value.
Terminal 54 Switch Setting
of input terminal 54. Current = 0; Voltage =
1.
Analog Input 54
put 54 either as reference or protection value.
Analog Output 42 [mA]
ue at output 42 in mA. Use par. 6-50 to select
the variable to be represented by output 42.
Digital Output [bin]
all digital outputs.
Frequency Input #29 [Hz]
value of the frequency applied at terminal 29
as a pulse input.
Frequency Input #33 [Hz]
value of the frequency applied at terminal 33
as a pulse input.
Pulse Output #27 [Hz]
of pulses applied to terminal 27 in digital out-
put mode.
Pulse Output #29 [Hz]
of pulses applied to terminal 29 in digital out-
put mode.
[1634]
® is a registered Danfoss trademark
VLT ® HVAC Drive Instruction Manual
[1635] Percentage load of
[1636] Nominal current
[1637] Maximum current
[1638] State of the event
[1639] Tem-
[1650] [%] Sum of the
[1652] Reference value
[1661] Setting
[1662] Actual value at in-
[1663] Setting
[1664] Actual value at in-
[1665] Actual val-
[1666] Binary value of
[1667] Actual
[1668] Actual
[1669] Actual value
[1670] Actual value