Danfoss VLT HVAC Operating Instructions Manual

Also see for VLT HVAC: Instructions Design guide Instruction Operating instructions Instruction manual

Overload Derate [%] [9996]Function:Select a variable for display in line 1, left po-sition.None [0] No display value selectedControl Word [1600] Present control wordReference [Unit] [1601] Total reference(sum of digital/analog/preset/bus/freeze ref./catch up and slow-down) in selected unit.*Reference % [1602] Total reference (sumof digital/analog/preset/bus/freeze ref./catchup and slow-down) in percent.Status Word [binary] [1603] Present statuswordMain Actual Value [1605] [Hex] One ormore warnings in a Hex codePower [kW] [1610] Actual power consumedby the motor in kW.Power [hp] [1611] Actual power consumedby the motor in HP.Motor Voltage [V] [1612] Voltage suppliedto the motor.Frequency [Hz] [1613] Motor frequency, i.e.the output frequency from the frequency con-verter in Hz.Motor Current [A] [1614] Phase current ofthe motor measured as effective value.Frequency [%] [1615] Motor frequency, i.e.the output frequency from the frequency con-verter in percent.Torque [%] [1616] Present motor load as apercentage of the rated motor torque.Speed [RPM] [1617] Speed in RPM (revolu-tions per minute) i.e. the motor shaft speed inclosed loop based on the entered motornameplate data, the output frequency and theload on the frequency converter. .Motor Thermal [1618] Thermal load on themotor, calculated by the ETR function. See al-so parameter group 1-9* Motor Temperature.DC Link Voltage [V] [1630] Intermediatecircuit voltage in the frequency converter.Brake Energy /s [1632] Present brake pow-er transferred to an external brake resistor.Stated as an instantaneous value.Brake Energy /2 min [1633] Brake powertransferred to an external brake resistor. Themean power is calculated continuously for themost recent 120 seconds.Heatsink Temperature [°C] [1634]Present heat sink temperature of the frequen-cy converter. The cut-out limit is 95 ±5 oC;cutting back in occurs at 70 ±5° C.Inverter Thermal [1635] Percentage load ofthe invertersInv. Nom. Current [1636] Nominal currentof the frequency converterInv. Max. Current [1637] Maximum currentof the frequency converterSL Control State [1638] State of the eventexecuted by the controlControl Card Temperature [1639] Tem-perature of the control card.External Reference [1650] [%] Sum of theexternal reference as a percentage, i.e. thesum of analog/pulse/bus.Feedback [Unit] [1652] Reference valuefrom programmed digital input(s).Digital Input [1660] Displays the status ofthe 6 digital input terminals (18, 19, 27, 29,32 and 33). Input 18 corresponds to the bit atthe far left. Signal low = 0; Signal high = 1Terminal 53 Switch Setting [1661] Settingof input terminal 53. Current = 0; Voltage =1.Analog Input 53 [1662] Actual value at in-put 53 either as a reference or protectionvalue.Terminal 54 Switch Setting [1663] Settingof input terminal 54. Current = 0; Voltage =1.Analog Input 54 [1664] Actual value at in-put 54 either as reference or protection value.Analog Output 42 [mA] [1665] Actual val-ue at output 42 in mA. Use par. 6-50 to selectthe variable to be represented by output 42.Digital Output [bin] [1666] Binary value ofall digital outputs.Frequency Input #29 [Hz] [1667] Actualvalue of the frequency applied at terminal 29as a pulse input.Frequency Input #33 [Hz] [1668] Actualvalue of the frequency applied at terminal 33as a pulse input.Pulse Output #27 [Hz] [1669] Actual valueof pulses applied to terminal 27 in digital out-put mode.Pulse Output #29 [Hz] [1670] Actual valueof pulses applied to terminal 29 in digital out-put mode.Analog In X30/11 [V] [1675] Actual valueof the signal on input X30/11 (General Pur-pose I/O Card. Option)Analog In X30/12 [1676] Actual value ofthe signal on input X30/11 (General PurposeI/O Card. Optional)represented by output X30/8.Analog Out X30/8 [1677] Actual value atoutput X30/8 (General Purpose I/O Card. Op-VLT® HVAC Drive Operating Instructions 6. How to programme the frequency converterMG.11.A4.02 - 09.10.06. VLT® is a registered Danfoss trademark 636