Danfoss VLT HVACDrive Instruction Manual page 87

VLT ® HVAC Drive Instruction Manual
[1617] Speed [RPM]
[1618] Motor Thermal
[1622] Torque [%]
[1626] Power Filtered [kW]
[1627] Power Filtered [hp]
[1630] DC Link Voltage
[1632] Brake Energy /s
[1633] Brake Energy /2 min
[1634] Heatsink Temp.
[1635] Inverter Thermal
[1636] Inv. Nom. Current
[1637] Inv. Max. Current
[1638] SL Controller State
[1639] Control Card Temp.
[1650] External Reference
[1652] Feedback [Unit]
[1653] Digi Pot Reference
[1654] Feedback 1 [Unit]
[1655] Feedback 2 [Unit]
[1656] Feedback 3 [Unit]
[1658] PID Output [%]
[1660] Digital Input
[1661] Terminal 53 Switch Setting
[1662] Analog Input 53
[1663] Terminal 54 Switch Setting
[1664] Analog Input 54
[1665] Analog Output 42 [mA]
[1666] Digital Output [bin]
[1667] Pulse Input #29 [Hz]
[1668] Pulse Input #33 [Hz]
Motor speed reference. Actual speed will depend on slip compensation being used (compensation
Slip Compensation
set in par. 1-62
minus motor slip.
Thermal load on the motor, calculated by the ETR function. See also parameter group 1-9* Motor
Temperature.
Shows the actual torque produced, in percentage.
Intermediate circuit voltage in the adjustable frequency drive.
Present braking energy transferred to an external brake resistor.
Stated as an instantaneous value.
Braking energy transferred to an external brake resistor. The mean power is calculated continuously
for the most recent 120 seconds.
Present heatsink temperature of the adjustable frequency drive. The cut-out limit is 203° ± 9°F [95°
± 5°C]; cutting back in occurs at 158° ± 9°F [70° ± 5°C].
Percentage load of the inverters
Nominal current of the adjustable frequency drive.
Maximum current of the adjustable frequency drive.
State of the event executed by the control
Temperature of the control card.
Sum of the external reference as a percentage, i.e., the sum of analog/pulse/bus.
Reference value from programmed digital input(s).
View the contribution of the digital potentiometer to the actual reference Feedback.
View the value of Feedback 1. See also par. 20-0*.
View the value of Feedback 2. See also par. 20-0*.
View the value of Feedback 3. See also par. 20-0*.
Returns the Drive Closed-loop PID controller output value in percent.
Displays the status of the digital inputs. Signal low = 0; Signal high = 1.
Regarding order, see par. 16-60 Digital Input
Setting of input terminal 53. Current = 0; Voltage = 1.
Actual value at input 53 either as a reference or protection value.
Setting of input terminal 54. Current = 0; Voltage = 1.
Actual value at input 54 either as reference or protection value.
Actual value at output 42 in mA. Use par. 6-50
represented by output 42.
Binary value of all digital outputs.
Actual value of the frequency applied at terminal 29 as a pulse input.
Actual value of the frequency applied at terminal 33 as a pulse input.
MG.11.AB.22 - VLT ® is a registered Danfoss trademark
7 How to Program the Adjustable Frequency
). If not used, actual speed will be the value read in the display
. Bit 0 is at the extreme right.
Terminal 42 Output
to select the variable to be
Drive
7
7-9