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Danfoss VLT
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[1633] Brake Energy /2 min Brake power transferred to an external brake resistor. The mean power is calculated continuously
for the most recent 120 seconds.
[1634] Heatsink Temp. Present heat sink temperature of the frequency converter. The cut-out limit is 95 ± 5° C; cutting
back in occurs at 70 ± 5° C.
[1635] Inverter Thermal Percentage load of the inverters
[1636] Inv. Nom. Current Nominal current of the frequency converter
[1637] Inv. Max. Current Maximum current of the frequency converter
[1638] SL Controller State State of the event executed by the control
[1639] Control Card Temp. Temperature of the control card.
[1650] External Reference Sum of the external reference as a percentage, i.e. the sum of analog/pulse/bus.
[1652] Feedback [Unit] Reference value from programmed digital input(s).
[1653] Digi Pot Reference View the contribution of the digital potentiometer to the actual reference Feedback.
[1654] Feedback 1 [Unit] View the value of Feedback 1. See also par. 20-0*.
[1655] Feedback 2 [Unit] View the value of Feedback 2. See also par. 20-0*.
[1656] Feedback 3 [Unit] View the value of Feedback 3. See also par. 20-0*.
[1658] PID Output [%] Returns the Drive Closed Loop PID controller output value in percent.
[1660] Digital Input Displays the status of the digital inputs. Signal low = 0; Signal high = 1.
Regarding order, see par. 16-60
Digital Input
. Bit 0 is at the extreme right.
[1661] Terminal 53 Switch Setting Setting of input terminal 53. Current = 0; Voltage = 1.
[1662] Analog Input 53 Actual value at input 53 either as a reference or protection value.
[1663] Terminal 54 Switch Setting Setting of input terminal 54. Current = 0; Voltage = 1.
[1664] Analog Input 54 Actual value at input 54 either as reference or protection value.
[1665] Analog Output 42 [mA] Actual value at output 42 in mA. Use par. 6-50
Terminal 42 Output
to select the variable to be
represented by output 42.
[1666] Digital Output [bin] Binary value of all digital outputs.
[1667] Pulse Input #29 [Hz] Actual value of the frequency applied at terminal 29 as a pulse input.
[1668] Pulse Input #33 [Hz] Actual value of the frequency applied at terminal 33 as a pulse input.
[1669] Pulse Output #27 [Hz] Actual value of pulses applied to terminal 27 in digital output mode.
[1670] Pulse Output #29 [Hz] Actual value of pulses applied to terminal 29 in digital output mode.
[1671] Relay Output [bin] View the setting of all relays.
[1672] Counter A View the present value of Counter A.
[1673] Counter B View the present value of Counter B.
[1675] Analog In X30/11 Actual value of the signal on input X30/11 (General Purpose I/O Card. Option)
[1676] Analog In X30/12 Actual value of the signal on input X30/12 (General Purpose I/O Card. Optional)
[1677] Analog Out X30/8 [mA] Actual value at output X30/8 (General Purpose I/O Card. Optional) Use par. 6-60
Terminal X30/8
Output
to select the variable to be shown.
[1680] Fieldbus CTW 1 Control word (CTW) received from the Bus Master.
[1682] Fieldbus REF 1 Main reference value sent with control word via the serial communications network e.g. from the
BMS, PLC or other master controller.
[1684] Comm. Option STW Extended fieldbus communication option status word.
3 Parameter Description VLT
®
HVAC Drive Programming Guide
38
MG.11.C9.02 - VLT
®
is a registered Danfoss trademark
3

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