Telemecanique Altivar 56 manual - Northern Industrial

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Bulletin No. 50006-519-01BChapter 5 — ConfigurationDecember 1996 7 → General Configuration Menu3. OFF to BYP: SW contact A closes, energizing the B (Bypass) contactor. Motoroverload protection is provided by OL (thermal overload relay) duringrunning in Bypass. SW contact B opens, disabling the I contactor controlcircuit. SW contact D opens. Since LI3 (Sequence Input) goes low as a result,the drive controller cannot start. If the drive controller was still in the processof decelerating the motor when previously in “AS”, the drive controller willinitiate a Sequence Time-out Fault, signalling that an incorrect SW sequencehas occurred. If incorrect SW sequence indication is not desired, theControlled Stop function can be used along with the Bypass function. To useControlled Stop, SW contact D must be connected directly into the LI assignedto Controlled Stop and the I contactor interlock is wired to +24. Use of theControlled Stop function along with the Bypass function requires the additionof an I/O Extension module if a Process Input is used.4. BYP to OFF: SW contact A opens, de-energizing I contactor. The motor stops.Run forward1Run output 0command1Sequence input 0+ ReferenceDT = CEMF Decay TimeSTof = Sequence Time-Out faultPTof = Process Time-Out fault-DT--DT----STof------STof----PTof--PTof-1 Normal Stop2 Freewheel Stop-DT----STof----PTof-Frequency1 12Process input10Normal Sequence Incomplete Process Incomplete SequenceFigure 57: Bypass Timing DiagramASASWOFFBYPIBOLBBIDRIVE CONTROLLERR2AROCR2C+24LI1RUN PERMISSIVECLI2FORWARDDILI3SEQUENCE INPUTLI4PROCESS INPUTContactAS OFF BYPPSIBAXBCDXXXXXPSPumpOLMFigure 58: Bypass Circuit Diagram© 1996 Square D All Rights Reserved87ηττπ://νιχοντρολσ.χοm
Chapter 5 — ConfigurationBulletin No. 50006-519-01B7 →General Configuration Menu December 1996PI RegulatorPI REGULATORNOYES, SET POINTFEED BACKSET POINT MANUALPI PARAMETERSNOTE: Note: The drive controller has thecapability to run in reverse when the PI Regulatorfunction is used. For fan and pump applications inwhich reverse operation is not permissible, selectNO for NEG. VALUES under the PI Parametersscreen (Table 36 on page 95).PI Regulator makes it possible to control a process by adjusting motor speed usinga setpoint input and a feedback input. For example, PI Regulator can be used tocontrol the flow or pressure in a pumping system or the liquid level in a reservoir.PI Regulator requires, at minimum, two analog input ports. Additional analog andlogic input ports are required for other optional PI Regulator functions. Table 30describes the items available from the PI Regulator menu. See Figure 59 on page 88for a block diagram of the PI Regulator function. The menus in this section showfactory settings.Table 30: PI Regulator Menu ItemsMenu ItemNOYES, SET POINTFEED BACKSET POINT MANUALPI PARAMETERSDescriptionPI Regulator function is off.PI Regulator function is on. Selecting this brings up the SET POINTconfiguration menu. The settings under SET POINT must bedefined for PI Regulator to operate. See page 89.Feedback configuration menu. The settings under FEED BACKmust be defined for PI Regulator to operate. See page 90.Manual speed reference/automatic setpoint configuration menu.The settings under SET POINT MANUAL may be configured toallow switching between an automatic setpoint reference and a<strong>manual</strong> speed reference. See page 94.Miscellaneous PI Regulator configuration parameters menu. Thesettings under PI PARAMETERS may be configured to fine tune theoperation of PI Regulator, or to provide analog and logic referenceand status outputs. See page 95.SetpointAI1 - AI4,Keypad-9999 to +9999SP GAIN-9999 to +99990 to 9999REV. ACTIONKI∫dtYes No++ + ErrorΣ Σ -1 1Σ0 to 9999+ -+KPOFFSETFeedback-9999 to +9999FB HIGH ALMAI1 - AI4Auto/ManualLI3 - LI8FB LOW ALM-9999 to +9999SPM Input REV. SPEED(Setpoint Manual)LIx=1 LIx=0-1 1AI1 - AI4,KeypadLIx=0AutoLIx=1ManualAuto/ManualHSPLSPSpeedReferenceNOTE: :An error value of 1 with KP set to100% and KI set to 0 will result in drivecontroller output of 61.8 Hz (if HSP>61.8Hz). An error value of 1 with KP set to 1%and KI set to 140 will result in a drivecontroller output of 61.8 Hz in one second.88 © 1996 Square D All Rights ReservedFigure 59: PI Regulator Block Diagramηττπ://νιχοντρολσ.χοm
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Instruction Bulletin50006-519-01BDe
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ALTIVAR 56 Fan and Pump Drive User
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