Emotron FDU 2.0 AC drive

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7.6 Pump function7.6.1 IntroductionA maximum of 4 pumps can be controlled with the standardFDU AC drive.If I/O Board options are installed, a maximum of 7 pumpscan be controlled. The I/O Board can also be used as a generalextended I/O.The Pump Control function is used to control a number ofdrives (pumps, fans, etc., with a maximum of 3 additionaldrives per I/O-board connected) of which one is alwaysdriven by the FDU. Other names for this kind of controllersare 'Cascade controller' or 'Hydrophore controller'.Depending on the flow, pressure or temperature, additionalpumps can be activated via the appropriate signals by theoutput relays of the FDU and/or the I/O Board. The systemis developed in such a way that one FDU will be the masterof the system.Select relay on the control board or on an option board. Therelays are set to functions for controlling pumps. In the picturesin this section, the relays are named R:Function, e.g.R:SlavePump1, which means a relay on the control board oron a option board set to function SlavePump1.PMP1 P2 P3 P4 P5 P6All additional pumps can be activated via an AC drive, softstarter, Y/ or D.O.L. switches.SetPRESSUREFeedbackPRESSUREFDUR:SlavePump1MASTERR:SlavePump2AnInR:SlavePump3PIDAnInPMR:SlavePump4R:SlavePump5R:SlavePump6Pressure4321P1 P2 P3 P4 P5 P6PowerFlowFig. 48 Pressure control with pump control option(50-PC-2_1)Pumps in parallel will operate as a flow controller, See Fig.47.Pumps in series will operate as a pressure controller see Fig.48. The basic control principle is shown in Fig. 42.Set FLOWFeedbackFLOWFDUMASTERAnInPIDAnInR:SlavePump1R:SlavePump2R:SlavePump3R:SlavePump4R:SlavePump5R:SlavePump6NOTE: Read this instruction manual carefully beforecommencing installation, connecting or working withthe AC drive with Pump Control option.FREQUENCY (master pump P)Add pumpPressureStop pumpPower1 2 3 4Flow(50-PC-1_1)P=onP1=on P2=on P3=on P4=on P5=on P6=onFLOW /PRESSUREFig. 47 Flow control with pump control optionFLOW /PRESSURETIM E(50-PC-3_1)Fig. 49 Basic Control principle42 Main Features Emotron AB 01-4428-01r3
7.6.2 Fixed MASTERThis is the default setting of the Pump Control. The FDUcontrols the Master pump which is always running. Therelay outputs start and stop the other pumps P1 to P6,depending on flow/pressure. In this configuration a maximumof 7 pumps can be controlled, see Fig. 43. To equalizethe lifetime of the additional pumps it is possible to selectthe pumps depending on the run time history of each pump.R: SlavePump6R: SlavePump5FDUR: SlavePump4R: SlavePump3MASTERR: SlavePump2R: SlavePump1R: MasterPump6R: MasterPump5R: MasterPump4R: MasterPump3R: MasterPump2R: MasterPump1(NG_50-PC-5_1)P1 P2 P3 P4 P5 P6R:SlavePump6R:SlavePump5FDU R:SlavePump4MASTER R:SlavePump3R:SlavePump2R:SlavePump1See menu:[393] to [396][553] to [55C](NG_50-PC-4_1)PMSee menu:[393] Select Drive[39H] to [39N] Run Time 1 - 6, Pump[554] to [55C] RelaysFig. 50 Fixed MASTER controlP1 P2 P3 P4 P5 P6NOTE: The pumps MAY have different powers, howeverthe MASTER pump MUST always be the largest.7.6.3 Alternating MASTERWith this function the Master pump is not fixed to the FDUall the time. After the AC drive is powered up or startedagain after a stop or sleep mode the Master pump is selectedvia the relay set to function Master Pump. section 7.6.7 onpage 44 shows a detailed wiring diagram with 3 pumps. Thepurpose of this function is that all pumps are used equally, sothe lifetime of all pumps, including the Master pump, willbe equalized. Maximum 6 pumps can be controlled withthis function.Fig. 51 Alternating MASTER ControlNOTE: The pumps MUST have all the same power.7.6.4 Feedback 'Status' inputIn this example the additional pumps are controlled by another kind of drive (e.g. soft starter, frequency inverter, etc.).The digital inputs on the I/O Board can be programmed as a"Error" input for each pump. If a drive fails the digital inputwill monitor this and the PUMP CONTROL option willnot use that particular drive anymore and automaticallyswitch to another drive. This means that the control continueswithout using this (faulty) drive. This function can alsobe used to manually stop a particular pump for maintenancepurposes, without shutting down the whole pump system.Of course the maximum flow/pressure is then limited to themaximum pump power of the remaining pumps.Emotron AB 01-4428-01r3 Main Features 43
Page 1: Emotron FDU 2.0AC driveInstruction
Page 5 and 6: Safety InstructionsInstruction manu
Page 7 and 8: ContentsSafety Instructions .......
Page 9 and 10: 1. IntroductionEmotron FDU is used
Page 11 and 12: Table 1StandardsEuropeanAllUSAMarke
Page 13 and 14: 2. MountingThis chapter describes h
Page 15 and 16: Ø 7 (4x)128,524,830 160Ø 13 (2x)5
Page 17 and 18: 2.3 Cabinet mounting2.3.1 CoolingIf
Page 19 and 20: 3. InstallationThe description of i
Page 21 and 22: Switches between the motor and theA
Page 23 and 24: 2 5 A2 31 L1 3 L2 5 L32 0-ÜÜÜÜ
Page 25 and 26: 3.5.1 Dimension of cables and fuses
Page 27 and 28: 4. Control Connections4.1 Control b
Page 29 and 30: 4.4 Connection exampleFig. 31 gives
Page 31 and 32: NOTE: The screening of control sign
Page 33 and 34: 5. Getting StartedThis chapter is a
Page 35 and 36: 5.4 Local controlManual control via
Page 37 and 38: 6. ApplicationsThis chapter contain
Page 39 and 40: 7. Main FeaturesThis chapter contai
Page 41 and 42: 7.1.6 Preset referencesThe AC drive
Page 43 and 44: Run Inputs Level-controlled.The inp
Page 45: .Torque [%][4161] MaxAlarmMar (15%)
Page 49 and 50: 7.6.6 PID controlWhen using the Pum
Page 51 and 52: 7.6.8 Checklist And Tips1. Main Fun
Page 53 and 54: Stopping an additional pumpThis fig
Page 55 and 56: 8. EMC and Machine Directive8.1 EMC
Page 57 and 58: 9. Operation via the Control PanelT
Page 59 and 60: Add a menu to the toggle loop1. Go
Page 61 and 62: 500 Inputs/Outputs and VirtualConne
Page 63 and 64: 10. Serial communicationThe AC driv
Page 65 and 66: 10.6 Description of the EIntformats
Page 67 and 68: 11. Functional DescriptionThis chap
Page 69 and 70: Select Motor [212]This menu is used
Page 71 and 72: Local/Remote key function [217]The
Page 73 and 74: 11.2.4 Motor Data [220]In this menu
Page 75 and 76: Motor ventilation [228]Parameter fo
Page 77 and 78: Motor PWM [22E]Menus for advanced s
Page 79 and 80: 10000010000t [s]10001000 s (120%)10
Page 81 and 82: Motor PTC [237]In this menu the int
Page 83 and 84: Copy All Settings to Control Panel
Page 85 and 86: Overvolt D [253]Delay time starts c
Page 87 and 88: Communication informationModbus Ins
Page 89 and 90: Min Alarm [25K]Delay time starts co
Page 91 and 92: External Motor Trip Type [25S]Selec
Page 93 and 94: Read/Write [2633]Select read/write
Page 95 and 96: 11.3 Process and ApplicationParamet
Page 97 and 98:
User-defined Unit [323]This menu is
Page 99 and 100:
F(Value), Process Max [328]This fun
Page 101 and 102:
Acceleration Time to Minimum Speed[
Page 103 and 104:
Communication informationModbus Ins
Page 105 and 106:
Release Speed [33D]The release spee
Page 107 and 108:
11.3.5 Speed [340]Menu with all par
Page 109 and 110:
Jog Speed [348]The Jog Speed functi
Page 111 and 112:
Maximum power [355]Sets maximum pow
Page 113 and 114:
+11.3.8 PID Process Control [380]Th
Page 115 and 116:
PID Steady State Test [388]In appli
Page 117 and 118:
Change Condition [394]This paramete
Page 119 and 120:
Stop Delay [39A]This delay time mus
Page 121 and 122:
Page 123 and 124:
Ramp Alarm [413]This function inhib
Page 125 and 126:
Min Pre Alarm [418]Min Pre Alarm Ma
Page 127 and 128:
Page 129 and 130:
11.5 I/Os and VirtualConnections [5
Page 131 and 132:
100 %n2-10 V4-20 mACommunication in
Page 133 and 134:
Example:Process sensor is a sensor
Page 135 and 136:
AnIn4 Set-up [51B]Same functions as
Page 137 and 138:
Additional digital inputs [529] to
Page 139 and 140:
AnOut1 Bipol [5333]Automatically di
Page 141 and 142:
Page 143 and 144:
Digital Out 2 [542]Relay 2 [552]NOT
Page 145 and 146:
Virtual Connection 1 Source [562]Wi
Page 147 and 148:
ExampleCreate automatic RUN/STOP si
Page 149 and 150:
No. Description Hysteresis Window12
Page 151 and 152:
Analogue Comparator 2,Level High [6
Page 153 and 154:
Analogue Comparator 3, Polar [6135]
Page 155 and 156:
Digital Comparator 3 [6153]Function
Page 157 and 158:
Y Operator 1 [622]Selects the first
Page 159 and 160:
11.6.4 Timer1 [640]The Timer functi
Page 161 and 162:
Timer 2 Mode [652]652 Timer2 ModeSt
Page 163 and 164:
Page 165 and 166:
Fieldbusintegervalue0 No Error1 Mot
Page 167 and 168:
I/O board Status [728] - [72A]Indic
Page 169 and 170:
11.8 View Trip Log [800]Main menu w
Page 171 and 172:
11.9 System Data [900]Main menu for
Page 173 and 174:
12. Troubleshooting, Diagnoses and
Page 175 and 176:
Table 31Trip condition, their possi
Page 177 and 178:
Table 31Trip condition, their possi
Page 179 and 180:
13. OptionsThe standard options ava
Page 181 and 182:
Table 34Brake resistors FDU52 V typ
Page 183 and 184:
13.10 Safe Stop optionTo realize a
Page 185 and 186:
13.11 Output chokesOutput chokes, w
Page 187 and 188:
14. Technical Data14.1 Electrical s
Page 189 and 190:
Table 39Typical motor power at main
Page 191 and 192:
14.2 General electrical specificati
Page 193 and 194:
14.5 Dimensions and WeightsThe tabl
Page 195 and 196:
14.7 Fuses, cable crosssectionsand
Page 197 and 198:
14.7.2 Fuses and cable dimensionsac
Page 199 and 200:
14.8 Control signalsTable 52Termina
Page 201 and 202:
15. Menu ListDEFAULT100 Preferred V
Page 203 and 204:
DEFAULTCUSTOMDEFAULTCUSTOM39N Pump
Page 205 and 206:
DEFAULTCUSTOMDEFAULTCUSTOM6142 CA4
Page 207 and 208:
DEFAULTCUSTOMDEFAULTCUSTOM880890876
Page 209 and 210:
IndexAAbbreviations ...............
Page 211 and 212:
(412) .............................
Page 214:
Emotron AB, Mörsaregatan 12, SE-25
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Emotron FDU 2.0 AC drive

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