Danfoss VLT HVAC Basic Drive Programming Manual

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

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Danfoss VLT HVAC Basic Drive Programming Manual Manual pdf 48 page image

8-33 Parity / Stop BitsOption: Function:[1] Odd Parity, 1 Stop Bit[2] No Parity, 1 Stop Bit[3] No Parity, 2 Stop Bits8-35 Minimum Response DelayRange: Function:0.01 s* [0.0010 - 0.5 s] Specify the minimum delay timebetween receiving a request andtransmitting a response. This is used forovercoming modem turnaround delays.8-36 Maximum Response DelayRange: Function:Size related* [0.1 - 10.0s]Specify the maximum permissibledelay time between receiving arequest and transmitting the response.If this time is exceeded, no responsewill be returned.8-37 Maximum Inter-char delayRange: Function:0.025 s* [0.025 - 0.025s]Specify the maximum delay timebetween 2 characters in a message.Exceeding this delay time will cause themessage to be discarded.3.8.3 8-5* Digital/BusParameters for configuring the control word Digital/Busmerging.8-50 Coasting SelectOption: Function:Select control of the coasting function via theterminals (digital input) and/or via the bus.NOTEThis parameter is active only when8-01 Control Site is set to [0] Digital andcontrol word.[0] DigitalinputActivates coast via a digital input.[1] Bus Activates coast via the serial communicationport.[2] Logic AND Activates coast via the fieldbus/serial communi-cation port, AND additionally via one of thedigital inputs.[3] * Logic OR Activates coast via the serial communication portOR via one of the digital inputs.8-51 Quick Stop SelectOption: Function:Select control of the Quick Stop function via theterminals (digital input) and/or via the bus.NOTEThis parameter is active only when8-01 Control Site is set to [0] Digital andcontrol word.[0] Digitalinput[1] Bus Activates Quick stop via the serial communi-cation port.[2] Logic AND Activates Quick stop via the serial communi-cation port, AND additionally via one of thedigital inputs.[3] * Logic OR Activates Quick stop via the serial communi-cation port OR via one of the digital inputs.8-52 DC Brake SelectOption: Function:Select control of the DC brake via the terminals(digital input).NOTEThis parameter is active only when8-01 Control Site is set to [0] Digital andcontrol word.[0] DigitalinputActivates DC brake via a digital input.[1] Bus Activates DC brake via the serial communicationport.[2] Logic AND Activates DC brake via the serial communicationport, AND additionally via one of the digitalinputs.[3] * Logic OR Activates DC brake via the serial communicationport OR via one of the digital inputs.8-53 Start SelectOption: Function:Select control of the frequency converter startfunction via the terminals (digital input).NOTEThis parameter is active only when8-01 Control Site is set to [0] Digital andcontrol word.[0] DigitalinputActivates Start command via a digital input.[1] Bus Activates Start command via the serial communi-cation port.Parameters VLT HVAC Basic Drive Programming GuideMG.18.B1.02 - VLT® is a registered Danfoss trademark 473 3