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 41 page image

5-40 Function RelayArray (Relay 1 [0], Relay 2 [1])Select options to define the function of the relays.The selection of each mechanical relay is realised in an arrayparameter.Option: Function:[168] Drive in handmodeThe output is high when the frequencyconverter is in Hand on mode (asindicated by the LED light above [Handon].[169] Drive in automodeThe output is high when the frequencyconverter is in Hand on mode (asindicated by the LED light above [Autoon].[193] Sleep Mode The frequency converter/system hasturned into sleep mode. See par. 22-4*.[194] Broken BeltFunctionA Broken Belt condition has beendetected. This function must be enabledin 22-60 Broken Belt Function.[196] Fire Mode The frequency converter is operating inFire Mode. See parameter group24-0* FireMode.[198] Drive Bypass To be used as signal for activating anexternal electromechanical bypassswitching the motor direct on line.See 24-1* Drive Bypass.3.6.4 5-9* Bus ControlledThis parameter group selects digital and relay outputs via afieldbus setting.5-90 Digital & Relay Bus ControlRange: Function:0.0 * [0.0 - 0xFFFFFFFF ] This parameter holds the state of thedigital outputs and relays that iscontrolled by bus.A logical '1' indicates that the output ishigh or active.A logical '0' indicates that the output islow or inactive.Bit 0 - 3 ReservedBit 4 Relay 1 output terminalBit 5 Relay 2 output terminalBit 6 - 23 ReservedBit 24 Terminal 42 Digital OutputBit 25 Terminal 45 Digital OutputBit 26 - 31 ReservedParameters VLT HVAC Basic Drive Programming Guide40 MG.18.B1.02 - VLT® is a registered Danfoss trademark33