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1. 21 4 7 Pump capacity calculation 21 4 8 Pumped volume calculation 23 4 9 VFD controle A 24 5 OPERATOR INTERFACE PROGRAM DESCRIPTION 27 5 1 Parameters to read Only 28 5 2 Parameters to read e 29 5 3 Alarm SCANN NJ 34 5 4 System coldstart 35 20 AM A 36 5 6 Display of the alarm register 36 6 APPENDICES 37 Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 3 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM Replacing September SYSTEM PARAMETERS DEFAULT SETTINGS FUNCTIO PLC REGISTER PARAMET
2. LOW LEVEL LEAKAGE P1 OVERFLOW OVERCURRENT P2 HIGH LEVEL OVERCURRENT P1 P2 OVERTEMPERATURE LEAKAGE LOW LEVEL OVERLOAD OVERTEMPERATURE COMMON LEAKAGE P2 START SI OVERLOAD P1 START ST GEN SET RUN EUA J 2 H 7 j TO Legimac 280 AP on the door CABLE RS 232 TO PORTI t gt TO 4 20 mA SPEED VER P2 INPUT P2 CURRENT 4 20 m SIGNAL 10n uni L28OVFD MODE ONLY PEED INPUT AI16 19 AQ13 14 PLC expans PERMISSION IN WRITING OF OR EA LOCATION E 97786 TT TS USER S MNUAL Page 41 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM A ac September www xylemwatersolutions com ca Pointe Claire QC Tel 514 695 0133 Saint Augustin de Desaures QC Tel 418 878 1800 Val d Or QC Tel 819 825 0792 Coquitlam BC Tel 604 941 6664 Calgary AB Tel 403 279 8371 Edmonton AB Tel 780 489 1961 Saskatoon SK Tel 306 933 4849 e Winnipeg MB Tel 204 235 0050 Toronto ON Tel 416 679 1199 Ottawa
3. nuo wem mmm L READ Stop 1 Level DIE RED wa wa Level Level Range SA A OS nuo m rmpedvotasday mu 9 mme Read than ALM than ALM 20 Alarm Alarm register MAIN P1 P2 ALTERN EM ALT P1 Lead P2 Lead L280 v 1 0 CHOICE L280 L280CAP L280VFD Once displayed each defined screen will be active during 60 seconds if no key is pushed After this period the default screen will be displayed To return to the default screen immediately push Back key on the operator interface Controller option L280 L280CAP L280VFD is chosen before shipping level2 password protected Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 xylem Let s Solve Water USER S MNUAL of the PLC based duplex pump control system LOGIMAC 280VM Page 29 of 41 Date June 2012 5 2 PARAMETERS TO READ AND WRITE If the default screen is displayed no alarm an operator can read and write the control system parameters To have access to these functions the PASSWORD is required The read and write parameters are given in table 6 below FUNCTIO N KEY Write F3 Write PREV F3 WRITE WRITE WRITE WRITE WRITE WRITE WRITE WRITE WRITE WRITE WRITE WRITE WRITE WRITE WRITE WRITE WRITE WRITE WRITE WRITE WRITE ON OFF WRITE WRITE WRITE WRITE WRITE WRITE WRITE TABLE 6 SYSTEM READ WRITE PARAMETERS PLC REGISTER
4. 4 4 CONTACTOR OPERATION In automatic mode the M1 contactor or the M2 contactor will close following the closing signal from R1 or R2 interface relay after START DELAY as specified in previous chapter Reception of the contactor closing confirmation by PLC will be indicated by turning on the respective diode LED labeled RUN P1 or RUN P2 on the alarm annunciator see appendices 1 for annunciator details NOTE Closing fault lf PLC does not receive a confirmation of the contactor closing see M1 or M2 contact as PLC inputs during the 10 second period following the closing order R1 or R2 relay contact closing the closing order will be removed and the alarm will be signaled In automatic mode if stop conditions are reached the running pump contactor will open If two pumps are running M1 contactor opens first on STOP 1 and M2 contactor follows on STOP2 Each contactor can be open or closed manually using a mode selector MAN OFF AUTO MAN OFF positions Either during manual or automatic operation the contactor opens automatically on fault conditions of the respective pump Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 18 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM d a September 4 5 ALARMS Memorizing indication acknowledge reset 4 5 1 P1 or P2 pump OVERLOAD M1 or M2 contactor CLO
5. 20 36 USER S MNUAL Page 19 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM Dee September 4 5 4 ALARM HIGH WATER LEVEL The fault detection is done by FLH float or by analog level sensor version 1 4 or later When float is tilted its normally open contact NO or ISRH interface relay closes That contact is connected to the PLC input 11 If this contact is closed a HIGH LEVEL alarm will be indicated by the LED diode HIGH LEVEL on the alarm annunciator This alarm will disappear from annunciator if fault conditions disappear The High level alarm is also activated when the level reaches the High level value adjusted using operator interface In both cases R14 relay will operate its NO contact is available for a remote transmission of the ALARM signal The common alarm will stay even if fault condition disappears Reset the circuit after the fault correction push the RESET push button twice for reset The output 5 gives a High Level signal This output is energized on High Level float tilted This output can be used to connect the interposing relay with 120V AC coil if a dry contact is needed for remote High Level alarm indication 4 5 5 ALARM LOW LEVEL The faults detection is done by FLL float or by analog level sensor version 1 4 or later The normally closed contact of the float or normally open contact NO of ISRL interface relay is connected to the
6. ON Tel 613 225 9600 Sudbury ON Tel 705 560 2141 Moncton NB Tel 506 857 2244 Halifax NS Tel 902 450 1177 St John s NL Tel 709 722 6717 Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36
7. Sanze om SSS E WRITE 76 CE I M RN WRITE 77 WRITE High level alarm 200 cm E 2 WRITE WRITE WRITE P1 high current alarm pe A Delay WRITE P2 high current alarm oi A WRITE P1 low current alarm A WRITE P2 low current alarm n A WRITE ALTERNATE Mode Choice ON OFF nud toggle P1lead P2lead WRITE a maeme soom L2500AP ony WRITE o5 Mizone superior Level 9m LOCAPony WRITE 1060 WRITE 11972083 WRITE 15 2098 WRITE 114 Capacity histeresis L280CAP only WRITE 1508 1505 150471506 FreduencyMiStaMawD 30 56 60 09 Hz LmOVFDony Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 l USER S MNUAL Page 13 of 41 Xy e n of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM aL September 4 2 ANALOG INPUT OUTPUT READING amp SCALING All analog inputs are based on 12 bit analog digital converter During each scan of program 12 bits are converted in 16 bit analog data word Al Factory scaling for analog inputs of 4 20 mA and the corresponding level and the pump current scaling for the default ranges is provided on fig 2 and 3 LOGIMAC 280 PLC analog input level sensor 32000 28000 24000 4 20000 16000 4 value in PLC water level in cm 12000 4 8000 4 4000 4 o N e Ut Lo o nN eo o
8. based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM dul September TABLE 2 DIGITAL OUTPUT ASSIGNATION OUTPUT DESCRIPTION NOTES M1 closing signal order to close the O contactor interface relay R1 M2 closing signal order to close the M2 contactor interface relay R2 4 COMMON alarm Common alarm signal for remote transmission interface relay R14 High level alarm HIGH LEVEL alarm signal 120V AC circuit Low level alarm LOW LEVEL alarm signal to the alarm annunciator P1 OVERLOAD alarm P1 OVERLOAD alarm signal to the alarm annunciator this M1 closing fault output is also activated if M1 contactor does not close its contact during ten 10 seconds following the order to close R1 relay contact closing P2 OVERLOAD alarm P2 OVERLOAD alarm signal to the alarm annunciator this M2 closing fault output is also activated if M2 contactor does not close its contact during ten 10 seconds following the order to close R2 relay contact closing i eto dum PTE am ral Polar ney For wiring details see drawing E 97786 LOGIMAC 280VM I O connection TABLE 3 ANALOG INPUT ASSIGNATION INPUT DESCRIPTION Notes O O optional operator interface for scaling optional operator interface for scaling For wiring details see drawing E 97786 LOGIMAC 280VM I O connection TABLE 4 ANALOG OUTPUT ASSIGNATION OUTPUT DESCRIPTION A Notes 1 P1 VFD signal 4 20 mA signal to control VFD P1 followi
9. 00734 Yi 30 LWONOdSGNUCO NSSIO 71 WOA GS 30 B G100 L3 SNOUSOS30 Sa OrwwuO 3ivld JWI uOIWIONPNHW DMONOISIHNOS JHL SH0709 5 031 ONY SNOUSROSSO BOIVONTINMY BOs SADA 2 30 M TED 31 INVSDUN NI zd BSiekd S3NHOB GAY ANINO 31 13 id IS AI INDI 7 28143 MOLINO DAA TOO Ws HINN SEU c3 Gd DMA STVHIMAAL HAVA WOLDJNNCO OWOG Ol ome 3 OVE ANINO CALMA NIBWIG NOKIINND o o e o D o pA vue JMOL JINON NOILVWOSNOO BNILAINONNY O 30v2v4 TOS 20 gt S ABOA TRINITY LRRD WnWD Ct THAS 90 E wees 50 WHOIS oig wes so MIS 110 Replacing September Date June 2012 tee rae wees 10 lt o 8 TIAS LO 6 a wos fia a i TAS ca t X Tes 0 9 2 Zz wos LLO LI z ws t i o 3 TAS 90 ui E 8 Ss z n Be 3iv d 32w4 es pa S D 5 O TEANGO YOLWIINNONNY PEL pons jana 2 o lt a S3uHOB 537 DAY AMBLDINNOO FNAN UNIAD INVA D 8OLD3NNOO Guvo8 QNOS LNO O3lNGd Tz c 3 o ES O LN O J 23 e 28260 Ez Q gt A A A A O zn Zo E zo 93 NA y no gt 525 3 D E qe 3 5 e 207 V ZV aay ecd LN bia BZN Sia ZN Mol N y af y S 5 Oo e E id Let s Solve Water xylem P N 13 52 20 36 _ CONTROLLER 4 5 POWER FAILURE 5 E HIGH LEVEL 3 Lee 7 lt P2 RUN FEEDBACK HIGH TEMP P2 HICH TEMP P1 P1 RUN FEEDBACK HA LEAKAGE P2 POWER FAILURE
10. 096 repeat the last 4 steps by entering calculated Cref as Cnom Tocalibrate 2 pumps capacity calculation pump the station to a level below the measure zone and wait until the level increases to Start 1 after the first pump starts put the second pump in operation manually pump Man Off Auto selector in Man position Wait to the end of the pumping cycle until the first pump stops and than return the second pump to the automatic operation The system is now calibrated The values of 1P Cref and 2P Cref are used as reference values to determine the lowest and highest limits of a pump calculated capacities It is recommended to do this calibration once a year to keep the system calculation error within the lowest values possible Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 23 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM Dee September 4 8 PUMPED VOLUME CALCULATION For L280 A pumped volume is calculated continuously using the rated values of pump capacities if they are inputted by operator during the operation time It is added continuously to the value of the pumped volume per day Each day at midnight the daily pumped volume is added to the total pumped volume and the value of the daily pumped volume is set to zero 0 At any time the pumped volumes total and daily can be read on the
11. 2 PUMP HIGH CURRENT If pump current analog inputs are used these alarms can be available The limit values for these alarms can be provided by an operator using the operator interface see chapter 5 2 for details The default values are established on 350 Amps An operator can change these values for the HIGHEST POSSIBLE CURRENT established during pump s running test If the pump current value I1 or 12 is higher than established highest value for respective pump the HIGH CURRENT OF P1 or P2 PUMP alarm will be registered in PLC memory The 30 seconde delay by default prevents the activation of the alarm during transient conditions This alarm will be indicated on the operator interface display see chapter 5 3 Alarm scanning for details This alarm will be held even if fault conditions disappear The contactor of the pump in fault will open automatically and cannot be closed without an operator intervention Reset the circuit after the fault correction push the RESET push button once for acknowledge and twice for reset 4 5 9 COMMON ALARM All alarms described above will activate the COMMON ALARM OUTPUT with R14 interface relay The contacts of this relay are available to remote control or indication Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 21 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM a Se
12. ER INITIAL VALUE NOTES N KEY Write Language F French E English F3 E English Write New password PREV F3 WRITE 3t of pumps inPARAllel 2 parallel operation in simultaneous operation 1 one pump only 24H Flush disable Flush hour WRITE Satidey 105 S WRITE Start 2 delay mws WRITE Blocking delay Pi 18s WRITE Blocking delay P2 19s WRITE WRITE 192 MwWecesngdey ws SSCS WRITE 590592 Flowmeterscaing osos WRITE 7072 MmWexLevescaing 320m WRITE 74 Senteve 39m SSS E WRITE 75 Sazkw om E WRITE 76 Serie NI M RN WRITE 77 WRITE High level alarm 200 cm E 2 WRITE WRITE WRITE P1 high current alarm Be A Delay WRITE P2 high current alarm oi A C IES ES WRITE P1 low current alarm OA maa m IO ES WRITE P2 low current alarm OA a ION NN WRITE ALTERNATE Mode Choice ON OFF pad toggle P1lead P2lead WRITE Mss eom EOOAPONy WRITE o5 Mezone superiorLevel 9m LOCAPony WRITE 1060 WRITE 11972083 WRITE 115 2098 WRITE 114 Capacity histeresis L280CAP only WRITE 1509 1505 1504 1508 FresuengyMIRIStamMesD 30356009 Hz REED Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 l USER S MNUAL Page 4 of 41 em of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM SIEUT September PLC READ ONLY DATA REG
13. ISTER READING FUNCTION PLC REGISTER PARAMETER READINGS mor INTERFACE KEY mee ee amero ERU m as d a D D DR UR meo 155 18 meer LE meo mom Amineramay _ meo sese Aminerizrora _ nea oem aminerieoay _ mmo me ovenownmine _ Lo essen _ mmo ms esser BE eC a a o meo m Overtow eesrerees Se A B E A A Reo NEWS eerie E ee ee Rt nuo wem Seeonee meo ne senes Ae ID TS NS EA READ Stop 1 Level Pes AAA Se ee eee OA RED 1o Pumpedvomeday RED 165 JDmamemo j ReaD iom Oyion a READ 199 Picapsctycau tate READ i902 Pacapaciveacul J mem READ nso zPCapsciycaeu _ tata Read than 270 Alarm register ALM Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 5 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM E September INTRODUCTION The LOGIMAC 280VM P N 13 50 90 90 was designed for the control and supervision of a sewage pumping station with one or two pumps The complete system consists of programmable logic controller LOGIMAC 280VM PLC as per th
14. JEN Elo IA Se ANEL e 3 A qm os sanaca rm z airis A i Al t a Melle nena dane Hr do Teu a ee es A oe H amp i i 000008 de dc Bom Rem he os g 1 H DS 8 y E i i i LI i i i aaa ala aaa O amp ooReMee l eeeeee pone cnn decena nel a auus ass M CN al d i H i ES i Et i i dM o MEM MM dM MM MM eM y AM E E poe poem poe poe pee H l f i o0 E PEE 100c START2 120cm Exemple of Trend of VFD duplex pump control Pumps capacity 351 s START1 Inflow varies from 5 461 s Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 27 of 41 Xy le m of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM Replacing September 5 OPERATOR INTERFACE PROGRAM DESCRIPTION Using the operator interface an operator can read or change PLC current date amp time read the parameters and data stored in the PLC data registers read the alarm register write the system operating parameters monitor the alarms e reset all parameters to their default values cold start If no alarm is active the following screen is displayed on the operator interface display Month __ Day Hour Minutes L3 N x Read Write D amp T This is the default screen The date month day and the time hour minutes stored in the CPU of PLC ar
15. P1 cycle of operation had been memorized P1 PUMP is chosen to start as a standby pump if e The parallel operation conditions are reached water level is higher than START 2 level or high level float is active and e P1 pump is operational no faults and e M2 contactor is closed P2 PUMP is chosen to start as a standby pump if e The parallel operation conditions are reached water level is higher than START 2 level or high level float is active and e P2 pump is operational no faults and e M1 contactor is closed To start the pump either the start conditions or parallel conditions should be kept during at least 10 second period calling START DELAY The default value of 10 seconds can be changed by operator see TIME DELAY CHANGE in chapter 5 2 If one of pumps is stopped for whatever reason the BLOCKING DELAY will be activated Neither the pump P1 or P2 can start during this period two pumps will be prevented to start If two pumps are running and one of them stops this delay will not have effect on running pump The default value of the BLOCKING DELAY are 15 s and can be adjusted by operator using operator interface for each pump separately see T ME DELAY CHANGE in chapter 5 2 Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 17 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM a September
16. PARAMETER INITIAL VALUE NOTES Language F French E English E English sns NE EE 3t of pumps inPARAllel 2 in simultaneous operation 2 parallel operation 1 one pump only 24H Flush disable Flush hour 24H Sanno f 10s Start 2 delay 10s Blocking delay P1 15s 11 Blocking delay P2 15s 20 Alarm delay 132 M1 M2 closing delay 590 592 Flowmeter scaling 70 72 Min Max Level scaling 74 Start 1 level 75 Start 2 level 76 Stop 1 level 77 Stop 2 level High level alarm Low level alarm P1 max current P1 max current P1 high current alarm Delay P2 high current alarm Delay P1 low current alarm Delay P2 low current alarm Delay ALTERNATE Mode Choice On Power up only 10s 0 80l s 0 320 cm 100 cm 120 cm 50 cm 50 cm 200 cm 0 cm 50A 50A 35A 30s 35A al o ols ls ole Zlo o gt 0 ON OFF toggle P1lead P2lead 80cm 90cm M zone AREA Required for inflow calculation 1P Cnom Cref Cnom required for inflow calculation 2p Cnom Cref Cnom required for inflow calculation Capacity histeresis L280CAP only 1509 1505 1504 1508 Frequency MiniStawiMaND 3036 60 09 Hz _ L280VFD ony 95 1060 113 2033 115 2035 114 a zone merre Mizone superior Level Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 Replacing September l USER S MNUAL Page 30 of 41 Xy em of the PLC based duplex pump Date June 2012 Let s Solve Water c
17. PLC input If this contact is closed a LOW water LEVEL alarm will be memorized in PLC memory and will be indicated by the flashing LED diode LOW LEVEL on the alarm annunciator This alarm will be registered and indicated on the annunciator even if fault conditions disappear The Low level alarm is also activated when the level reaches the Low level value adjusted using operator interface In both cases R14 relay will operate its NO contact is available for a remote transmission of the ALARM signal The common alarm will stay even if fault condition disappears Reset the circuit after the fault correction push the RESET push button twice for reset The contactors of the pumps will open automatically but can be closed if fault conditions disappear Reset the circuit after the fault correction push the RESET push button once for acknowledge LED stops flashing and twice for reset 4 5 6 ALARM POWER FAILURE The faults detection will be done by the power failure detector PFD connected to three phases of the power entrance The PFD operates on phase or power failure Its NC contact is open if three phases are present and voltage value is between adjusted limits On fault this contact will close If this contact is closed the contactor closing signals will be removed see R1 and R2 relays and the alarm POWER FAILURE will be indicated by the LED diode POWER FAILURE on the alarm annunciator This alarm will disappear if fault conditio
18. S MNUAL Page 9 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM bea September Faceplate is a two side lamicoid plate with descriptions in English on one side and in French on another The descriptions are as per drawing C 51 15 34 See appendices 1 Board connector with terminal is composed of 16 screw terminals connected to a 16 pin male plug P2 for flat cable The flat cable is a 2 meters length flat cable with one female plug on each end which can be plug in e the P1 plug on printed circuit board and e the P2 plug on board connector with terminals Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 10 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM Pals September 3 LOGIMAC 280 PLC INPUT amp OUTPUT CONNECTION LOGIMAC 280 PLC has 16 digital inputs 11 digital relay based outputs 1 transistor digital output high speed d 4 analog 4 20 mA inputs amp 2 analog outputs For this application the inputs and outputs are assigned to the signals specified in the table 1 2 3 and 4 respectively TABLE 1 DIGITAL INPUT ASSIGNATION INPUT DESCRIPTION NOTES 1 ACKNOWLEDGE signal provided by push button ACKNOWLEDGE RESET RESET on the alarm annunciator P1 AUTO P1 mode selector in AUTO position 3 P2 AUTO P2 mode selector in AUTO positio
19. SING FAULT On the overload fault the respective pump breaker opens Auxiliary contacts of breakers are used as the overload signal for PLC inputs OL1or B1 OL2 or B2 If one of contacts is closed OL1 or OL2 the corresponding contactor closing signal will be removed see R1 or R2 relay and the OVERLOAD alarm will be memorized in PLC memory and be indicated by the flashing LED diode OVERLOAD P1 or OVERLOAD P2 on the alarm annunciator The LED diodes OVERLOAD P1 or OVERLOAD P2 turn on also in the case of Closing fault of the M1 or M2 contactor see NOTE in previous chapter A distinction between OVERLOAD and CONTACTOR CLOSING FAULT can be seen on the operator interface message This alarm will be held even if the fault conditions disappear The contactor of the pump in fault will open automatically and cannot be closed without an operator intervention Reset the circuit after the fault correction push the RESET push button once for acknowledge LED stops flashing and twice for reset 4 5 2 ALARM WATER LEAKAGE OF P1 P2 PUMP The faults detection will be done by the sensors attached to Mini CAS II units of ITT Flygt The interface relay of this unit R6 or R8 operates if water is detected in the corresponding pump The contact of this relay is connected to PLC input to provide the information If one of these contacts is closed the corresponding contactor closing signal will be removed see R1 or R2 relay and the alarm LEAKAGE w
20. e configuration specified in the following chapter the operator interface LOGIMAC 280VM OP and the alarm annunciator LOGIMAC 280 AP LOGIMAC 280 PLC takes an analog level signal 4 20 mA from any of the level sensor with that kind of output The controller can be used in one of the three programmed mode which is set before shipping L280 as previous Logimac 280CIM L280CAP with pumps capacities calculation L280VFD with VFD control following the level changes Dynamic inflow amp pumped volume can be calculated in any of modes 1 1 Approvals Sensor CSA certified for operation in Class I Division 2 Groups C and D hazardous environments Note For this approval to be valid special installation conditions apply 1 2 Part numbers LOGIMAC 280VM PLC P N 13 50 90 91 Analog I O expansion unit P N 13 40 02 30 LOGIMAC 280 AP P N 13 50 90 19 LOGIMAC 280VM OP P N 13 50 90 92 Copyright 1995 ITT Flygt The LOGIMAC is registered mark of ITT Flygt All rights reserved No part of this manual may be reproduced or copied without the written permission of ITT Flygt Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 6 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM d aL September 2 HARDWARE DESCRIPTION 2 1 LOGIMAC 280 PLC CONFIGURATION The programmable logic controller PLC is com
21. e June 2012 Let s Solve Water control system LOGIMAC 280VM E September Logimac 280VM output scalling F Maximum default 60Hz Output current in mA F MINimum default 30Hz 0 4000 8000 12000 16000 20000 24000 28000 32000 Value in PLC Applicable for controls using the Logimac280VFD only Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 16 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM m September 4 3 STARTING PUMP CHOICE The control system allows the operation of either one or two pumps in parallel but prevents simultaneous start of two pumps In automatic mode a choice of the pump to start is done by the PLC program following the conditions specified below P1 PUMP is chosen to start as a duty pump if e The start conditions are reached water level is higher than START 1 or high level float is active and e P1 pump is operational no faults and e the alternate mode is not chosen or P2 pump is faulty or e the alternate mode is chosen but P2 pump operation had been memorized or P1 operation had not been memorizing P2 PUMP is chosen to start as a duty pump if e The start conditions are reached water level is higher than START 1 or high level float is active and e P2 pump is operational no faults and e the P1 pump is faulty or e the alternate mode is chosen and the
22. e displayed on the operator interface default screen If these values do not correspond with reality the operator can change it using operator interface key pad To change one of the displayed values month day hour minutes an operator should e Push D amp T function key e Screen change to Read Write D amp T e Use gt arrow keys to place the cursor on a value to change coursor flashes on the value Type the new value Push ENTER Push D amp T to confirm Screen return to default Read Write D amp T Repeat the procedure for each value to change Copyright ITT Flygt 2004 FCDN 95174 V4 LOGIMAC_280VM__USER S_MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 28 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM Replacing September 5 1 PARAMETERS TO READ ONLY If no alarm is active an operator can read the data stored in the specific data memory register by consecutively pushing Read function key Parameters to read are given in the table 5 below TABLE 5 PLC DATA REGISTER READING II A PARAWETER mmo ew EE oo S mu Wess GUI SSCSC meo oe RmmemTom nuo am UI meo 15 Rememer a mu wr meemeow nuo zz joewww me mus m wwe nuo ms wmm mun ats piernas meo ze Sows IC EEE RADI DCI sonso EE wos OO rra
23. e plate with descriptions LOGIMAC 280 AP dwg C 51 15 34 Alarm annunciator for PLC Printed circuit amp interconnection schematic dwg 2603 A2 Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 38 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM Replacing September POW RAPPEL ALIMENTATION O m O ALARME RES TITRE TITLE PLAQ FAILURE o a O P N 13 51 15 34 O P N 13 51 15 34 P1 P2 OVERLOAD OVERLOAD Sal NS E P1 P2 LEAKAGE LEA ER POWER SUPPLY NS 7 ET UE D ANONCIATEUR REVERSIBLE AVEC LES DESCRIPTIONS LOGIMAC 280 REV WITH DESCRIPTION W W VERIF CHK D INITIAL APPLICAT PREMIERE FOURNISSEUR SUPPLIER N P FLYGT P N Copyright ITT Flygt 200 ERSIBLE AN CIATOR PLATE DESCRIPTIONS LOGIMAC 280 REVERSIBLE A CIATOR PLATE TH DESCRIPT LOGIMAC 280 HITE LETTER A BLACK BACKGROUND APPR SP CP 7 0 DATE 95 05 30 C 51 15 34 4 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 HOUGNNOOHGIN O 13 JWidnl UNIO 30 YAIKOS Ole HNOJ SINN 39 s 31M2 ONNV Ouww3 95 MOLIINNOI HAL 3 UNIDAD CAL td s De Os EQIVIONDONNY MENO ATGUVONONNV O JOVI 30 3
24. ear Defau Write Lang Back e After 10 s screen change to Defau Write Lang Back Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 l USER S MNUAL Page 36 of 41 Xy e m of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM Replacing September 5 5 ALARM S REGISTER Up to 16 alarms with date and time can be stored in PLC registers R300 R400 following the FIFO rule first in first out To CLEAR alarm s register an operator should push Read and than push and hold ALM function key during 10 seconds 5 6 DISPLAY OF ALARM S REGISTER To read alarm s register e On DEFAULT SCREEN push Read function key e Push ALM function key e first screen of the alarm s register appears giving the number of alarms since the last clearing ALM e Push ALM function key e The most recent alarm appears with date month day and time hour minutes Read ALM Back month day hour minutes NOTE The number of the alarms displayed on the first screen can be higher than 16 but only last 16 alarms will stay in PLC memory Copyright ITT Flygt 2004 FCDN 95174 V4 LOGIMAC_280VM__USER S_MANUAL DOC P N 13 52 20 36 xylem USER S MNUAL Page 37 of 41 of the PLC based duplex pump Date June 2012 control system LOGIMAC 280VM Popian September APPENDICE 1 ANNUNCIATOR DRAWINGS Alarm annunciator for PLC Annunciator fac
25. en e Push Chang e The following screen appears Read Write e Type your new password composed of 4 digits max e Press ENTER NUMBER OF PUMP IN PARALLEL OPERATION FLUSH hour amp TIME DELAY CHANGE e On default screen push Write and type password to get following Screen Defau Write Lang Back e Push Write function key e The following screen appears Read Write e Type 1 in place 2 if no parallel operation is required e Push Write to change or read another parameter or Back to return to default screen e f you push Write the first DELAY screen appears d Write MA 80VM_ U P N 13 52 20 36 USER S MNUAL Page 32 of 41 Xy le m of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM rails September e Use arrow keys to place the cursor e Type the new value e Press ENTER e Push Write function key to read or write other delay e Repeat four previous steps to change the time delay value e Push Write to change or read another parameter or Back to return to default screen LEVEL PARAMETERS CHANGE e f you push Write function key on the last Delay screen e The first LEVEL screen appears Read Write Use arrow keys to place the cursor Type new value instead of 0 if needed Press ENTER Push Read function key to read or write other level parameter or Back to return to default screen ALTERNATION MODE DISABLE e On default screen push write and type pa
26. esponds to 4 mA VFD speed input signal F start Frequency at start level F max maximum Frequency usually 60Hz has to be the same as set in VFD It corresponds to 20mA VFD speed input signal Dfactor the ratio of START 2 STARTI saying how fast the maximum frequency has to be reach range 0 1 1 0 example Dfactor 0 9 means that the leading pump maximum frequency will be reached at the level 118cm as a result of START1 Dfactor START 2 START 1 All this parameters are adjustable by operator using operator interface Note The minimum speed Fmin should not be lower than 30Hz Control functioning If START 1 level 100cm is reached the leading pump will start with the speed corresponding to Fstart 36Hz If the level decreases with pumping the pump speed will decrease until Fmin at STOP 1 level In that point the pump stops If the level increases with leading pump functioning its speed will increase linearly up to Fmax 60Hz reached at the level START 1 Dfactor START2 STARTI 100 0 9 120 100 118cm Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 25 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM ee September Once this level reaches the leading pumps will be running at rated speed If the level still increases and reaches the START 2 level the lagging pump wi
27. ill be memorized in PLC memory and be indicated by the flashing LED diode LEAK P1 or LEAK P2 on the alarm annunciator This alarm will be held even if the fault conditions disappear The contactor of the pump in fault will open automatically and cannot be closed without an operator intervention Reset the circuit after the fault correction push the RESET push button once for acknowledge LED stops flashing and twice for reset 4 5 3 ALARM HIGH TEMPERATURE OF P1 P2 PUMP The faults detection will be done by the sensors attached to Mini CAS II units of Flygt The interface relay of this unit RB or R7 operates if a temperature of pump goes higher than sensor adjustment in the corresponding pump The contact of this relay is connected to PLC input to supply the information If one of these contacts is closed the corresponding contactor closing signal will be removed see R1 or R2 relay and the alarm HIGH TEMPERATURE will be memorized in PLC memory and will be indicated by flashing LED diode TEMP P1 or TEMP P2 on the alarm annunciator This alarm will be held even if the fault conditions disappear The contactor of the pump in fault will open automatically and cannot be closed without an operator intervention Reset the circuit after the fault correction push the RESET push button once for acknowledge LED stops flashing and twice for reset Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52
28. ll start The speed pattern of the lagging pump is the same as the leading pump so theoretically the lagging pump speed will be Fstart 36Hz but the system recalculates the both values to have the same speed for both pumps keeping the same total capacity So the speed of 2 pumps working together will be SPEED lead SPEED lag 2 60 36 2 48 Hz If the level still increase the lag pump theoretical speed SPEED lag will increase linearly up to Fmax 60Hz reached at level START 2 Dfactor START2 STARTI 120 0 9 120 100 138cm The system will recalculate the same speed for both pumps SPEED lead SPEED lag 2 The same pattern will be follow if the level decreases down to STOP 2 level when the lag pump will stop After the lag pump stops and the level still deceases the lead pump speed will decrease linearly until Fmin at STOP 1 level when the pump stop NOTE If high level alarm is reached the pumps speed will run with full speed corresponding to Fmax adjusted usually 60Hz Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 o Q E o D o o n 3 o amp o o a A o oa oo NE 22 o D Gg aa of the PLC based duplex pump control system LOGIMAC 280VM USER S MNUAL Let s Solve Water xylem s 001 30001 Ec OSS 2E2 188 MePIOA mm L d 00 ld Peds m EZS BAT 80 Zd Peeds mm 0 T 0 un Lee
29. mp unable the calculation an operator should input at least a rated capacity of one pump 1P Cnom gt 0 see next chapter for details Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 24 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM as September 4 9 VFD CONTROL OPERATION L280VFD option For the projects with a Variable Frequency Drive VFD when the pump speed has to be control following the level changes the L280VFD option can be unable Once this option unable Logimac 280 will be able to give 4 20 mA signals to control pumps VFDs See the figure below for parameters required to operate this control T Pump frequency Level Fmin 30Hz Fstart 36Hz Fmax 60Hz Dfactor 0 9 60 N H 50 4 e P LEAD P LAG 2 pumps Frequency in Hz o HE fo 2 10 STOP 1 STOP2 START 1 START 2 0 V i 50 60 70 80 90 100 110 120 130 0 level in cm The required parameters are F min Minimum Frequency has to the same as set in VFD It corr
30. n 4 GEN SET RUN GEN SET RUN NO contact If closed one pump only is allowed to run no parallel operation of two pumps 5 OL1 B1 contact indicating overcurrent of the P1 pump breaker auxiliary contact R6 leakage P1 interface relay contact from Mini CAS II unit indicating a water leakage in P1 pump 7 R5 high temp P1 interface relay contact from Mini CAS II unit indicating a high temperature in P1 pump OL2 B2 contact indicating overcurrent of the P2 pump breaker auxiliary contact R8 leakage P2 interface relay contact from Mini CAS II unit indicating a water leakage in P2 pump 10 R7 high temp P2 interface relay contact from Mini CAS II unit indicating a high temperature in P2 pump 11 FLH or ISRH high level contact indicating the high level reached follows FLH float NO contact 12 Overflow optional contact indicating the overflow level reached FLOV float NO contact 13 FLL or ISRL low level contact indicating the low level reached follows FLL float NC contact 14 PFD voltage or phase failure detection PFD 15 M1 contactor closed auxiliary contact of the M1 contactor to indicate the contactor status 16 M2 contactor closed auxiliary contact of the M2 contactor to indicate the contactor status For wiring details see drawing E 97786 LOGIMAC 280VM I O connection Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 11 of 41 xylem of the PLC
31. n in the table 7 TABLE 7 ALARM MESSAGES SURCHARGE P1 or DEFAUT M1 P1 OVERLOAD M1 CLOSING FAULT FUITE P1 HAUTE TEMP P1 P1 HIGH TEMP SURCHARGE P2 or DEFAUT M2 P2 OVERLOAD M2 CLOSING FAULT FUITE P2 HAUTE TEMP P2 P2 HIGH TEMP HAUT NIVEAU present value of the level is displayed PERTE DU RESEAU BAS NIVEAU present value of the level is displayed LOW CURR 10 A displayed HAUT COURANT P1 alarm set value of the pump s current is LOW CURR 10 A displayed HIGH CURR 35 A displayed DEFAUT FAULT present value of the level is displayed Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 l USER S MNUAL Page 35 of 41 Xy e m of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM ae September 5 4 SYSTEM COLDSTART During the coldstart the default values of all system parameters see table 4 for details are written to the specific data memory registers The coldstart is done automatically during the PLC program first scan An operator using the operator interface can also do it COLDSTART The coldstart is done automatically during the PLC program first scan An operator using the operator interface can also do it e On default screen push Write and type password to get following Screen Defau Write Lang Back e Push and hold Defau function key e The following screen will app
32. ng level changes 2 P2 VFD signal 4 20 mA signal to control VFD P2 following level changes For wiring details see drawing E 97786 LOGIMAC 280VM I O connection Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 12 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM Replacing September 4 PLC PROGRAM DESCRIPTION 4 1 INITIAL PARAMETERS WRITING During the first scan or coldstart of the program the initial default parameters are automatically written to the assigned memory registers TABLE 4 presents the list of the parameters and their default values An operator can read or change write these parameters using operator interface function keys listed in the first column of the table see 5 2 chapter for details TABLE 4 SYSTEM PARAMETERS DEFAULT SETTINGS FUNCTIO PLC REGISTER PARAMETER INITIAL VALUE NOTES N KEY Write Language F French E English F3 E English Write New password PREV F3 WRITE 3t of pumps inPARAllel 2 parallel operation in simultaneous operation 1 one pump only 24H Flush disable Flush hour WRITE Sadly f 9s SS o WRITE WRITE WRITE WRITE Hama f 5 On Power up only WRITE 192 M1 M2 closing delay ws SSCS WRITE 590592 Flowmeter scaing osos WRITE 7072 MiniMax Level scaling 320m WRITE 74 Senteve om S E WRITE 75
33. ns disappear On fault the contactors will open automatically but can be closed following start sequence if the utility power is back to normal Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 20 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM A a September 4 5 7 ALARM P1 P2 PUMP LOW CURRENT If the pump current analog inputs are used these alarms can be available The limit values for these alarms can be provided by an operator using the operator interface see chapter 5 2 for details The default values are established as zero 0 Amps An operator can change these values for the LOWEST POSSIBLE CURRENT established during pump s running test If the pump current value is lower than established lowest value for respective pump LOW CURRENT OF P1 or P2 PUMP alarm will be registered in PLC memory The 30 seconde delay by default prevents the activation of the alarm during transient conditions This alarm will be indicated on operator interface display see chapter 5 3 Alarm scanning for details This alarm will be held even if the fault conditions disappear The contactor of the pump in fault will open automatically and cannot be closed without an operator intervention Reset the circuit after the fault correction push the RESET push button once for acknowledge and twice for reset 4 5 8 ALARM P1 P
34. ntains 13 diodes LED D1 D13 2 push buttons SW1et SW2 13 resistors R1 R13 to limit the current and 26 auxiliary diodes of type 1N4004 D14 39 Each parallel circuit total 16 circuits is connected to one pin 1 16 of the P1 plug for the flat cable The functions of circuit are Indication The positive signal of 24V DC power supply connected to terminal 2 is common for all diodes LED To turn on the diode LED the negative signal should be connected to another end of circuit It can be done if the PLC output relay contact connected to the specific LED circuit closes All PLC outputs connected to annunciator should have the common terminal COM connected to negative terminal of source Lamp test The negative signal of 24V DC power supply connected to terminal 1 is used to test LED diodes Pushing the push button SW1 connects 24V DC power supply to all LED diode circuits and turn all LED s on Acknowledge Reset By pressing the push button SW2 the positive signal of 24V DC power supply will be connected to PLC input being connected to terminal 4 of the annunciator This input signal is programmed in PLC as acknowledge signal first appearance and as reset signal second appearance It is important to connect the common terminal COM of this PLC input to negative terminal of source Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER
35. o N e vt T TT 15 16 17 18 19 sensor current in mA FIG 2 ANALOG INPUT SCALING LEVEL The scaling will be automatically changed by PLC if an operator provides different values of ranges using the operator interface Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 14 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM P paning September LOGIMAC 280 PLC analog input current sensor J T 50 EE 45 28000 40p 24000 l Ms V 35 p A y 20000 m c U U R R E 16000 4 25E N I at N 12000 i 3 N L 15 P s000 NEN A L 10 C mm n 4000 5 0 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 sensor current in mA FIG 3 ANALOG INPUT SCALING CURRENT If the inputs of pumps currents are not used no changes are required in default values of ranges The PLC will treat these inputs as a zero signal Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 l USER S MNUAL Page 15 of 41 Xy em of the PLC based duplex pump Dat
36. ontrol system LOGIMAC 280VM E September If Write function key is pressed the following screen appears Read Write Chang Back e Use gt arrow keys to place the cursor on a digit O Courser flashes on the value e Type the password using the numeric key pad and press ENTER key The PASSWORD should be a number composed of 4 digits maximum e fthe password is correct the following message appears on the screen Defau Write Lang Back e Push the desired function key Defau to coldstart default parameters Write to read or change another parameter Lang to change display language Backto return to default screen LANGUAGE CHANGE e On default screen push Write key and type password to get following Screen Defau Write Lang Back e Push Lang on a that screen The following screen appears or Read Write Fr Lire Ecrir e Active language is displayed e Push Fr to change to French or En to change to English e Press Write to write another parameter Copyright ITT Flygt 2004 FCDN 95174 V4 LOGIMAC_280VM__USER S_MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 31 of 41 Xy lem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM Ai as September PASSWORD CHANGE e On default screen push write Read Write Chang Back e Type the password and push Enter Defau Write Lang Back e Push PREV to return to previous scre
37. operator s interface see next chapter for details For L280VFD mode unable A pumped volume is calculated continuously using the rated values of pump capacities if they are inputted by operator during the operation time The rated pump capacity is multiplied by the ratio of the actual pump speed to the rated speed 60Hz The value of the pumped volume is added continuously to the value of the pumped volume per day Each day at midnight the daily pumped volume is added to the total pumped volume and the value of the daily pumped volume is set to zero 0 At any time the pumped volumes total and daily can be read on the operator s interface see next chapter for details For L280CAP mode unable A pumped volume is calculated using the recent cycle calculated values of pump capacities and the operation time in each pumping cycle It is calculated at the end of each cycle and the calculated value is added to the value of the pumped volume per day Each day at midnight the daily pumped volume is added to the total pumped volume and the value of the daily pumped volume is set to zero 0 At any time the pumped volumes total and daily can be read on the operator s interface see next chapter for details At start up of the new station default values are used to calculate a pumped volume These default values are based on the value of the RATED CAPACITY The RATED CAPACITY default value 0 so this calculation is disable To do the calibration a
38. posed of the modules specified in the table 2 1 below depending on power supply module 2 1 CONFIGURATION of LOGIMAC 280VM PLC ITEM DESCRIPTION TECHNICAL DATA CPU amp Memory Flash user memory program memory 9 Kwords storage memory 2 Kwords operation speed 1 0 ms IK word of logic user program L280VM 16 inputs 24V DC current consumption 7 3mA max point P N 11 relays 1 DC outputs Operating voltage 5 30 V DC 13 50 90 91 5 250 V AC max load 2A resistive 0 6A inductive 120V AC 102 132V 60 Hz 47 63 Hz DC output power supply 24V 10 200 mA max current service temperature stocking temperature Port Two serial ports 1 RS 232 2 RS 485 P N Analogue Expansion unit Inputs current 4 20mA IU Bo 30 4 inputs 2 outputs outputs current 4 20mA Supply 120V AC 102 132V 60 Hz 47 63 Hz Dimensions 90H x 95W x76D mm Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 l USER S MNUAL Page 7 of 41 Xy e m of the PLC based duplex pump Date June 2012 Lets Solve Water control system LOGIMAC 280VM Replacing September 2 2 OPERATOR INTERFACE LOGIMAC 280 OP The operator interface LOGIMAC 280 OP is is a fully programmable man machine interface One part of a programming can be done using the software specific for the unit and another one should be programmed in the PLC program software for PLC ladder programming The operator interface is e
39. ptember 4 6 FLUSHING ONCE A DAY SEQUENCE The special sequence is programmed to do a flushing of a piping system once a day It can be used either for a system designed for an operation of one pump only at the time setting of of pumps in PARAllel 1 or for the system where two pumps are allowed in parallel operation setting of of pumps in PARAllel 2 The hour of flushing can be adjusted on the operator interface see first screen under function key F2 write The default value is 24h which made this function disable Operator should set the hour of flushing 0 23h If this hour is reached a START 1 level set value will be ignored Two pumps will start if level START 2 is reached As usual the start delay is applied between pump starts to prevent simultaneously start of two pumps Two pumps will stop on STOP level Once the flushing cycle finished the system return to the normal sequence 4 7 PUMP CAPACITY CALCULATION For L280CAP only The PLC is programmed to calculate the pump capacity using so called Jacuzzi Jaeger method The method requires a MEASURE ZONE a volume bounded by two sump levels inferior level and superior level to be defined The MEASURE ZONE should be chosen between last STOP level and first START In addition to these levels the MEASURE ZONE section area S should be also defined The default parameters are shown in the table 7 next chapter These two levels and area can be changed using the operator s in
40. pump pumps out all volume of the measure zone e 2P capacity two pumps capacity if two pumps pump out all volume of the measure zone The calculation results of the CYCLE INFLOW and PUMP S CAPACITIES can be read on the operator s interface screen see next chapter for details and can be printed on the system printer for each pumping cycle see printing option for details SYSTEME CALIBRATION For proper operation the system should be properly calibrated The calibration consists to choose the initial values of pump capacity used by the system as reference values To make it done automatically proceed as follow choose the period of the day with low inflow to have only one pump in operation at the time choose INFERIOR amp SUPERIOR level of the MEASURE ZONE measure the area of the section of the MEASURE ZONE Enter all the parameters using operator interface INFERIOR amp SUPERIOR level in cm format xxx x AREA in square meters format xx xx Pump the station to a level below the measure zone Enter the rated value of the pump capacity if this value is not available enter the random value different from that one you see on the operator interface screen Putthe pump functioning mode selectors in AUTO position wait to the end of pumping cycle the entered previously RATED CAPACITY 1P Cnom will be completed by the real value of measured system REFERENCE CAPACITY Cref fthe values Cnom and Cref differ more than 1
41. quipped of 6 programmable function key e Alpha numeric key pad LCD screen 160x32 pixels 89 6x17 9mm display for small graphic 80 total characters on 4 lines PLC communication port RS 232 RS422 RS485 serial programming port cable operator interface PLC DB9F RG45 The supply voltage 24VDC Power consumption Normal 0 1A 24VDC Max 0 3A aci Function keys Read Write D amp T i a description Function keys FIG 1 Operator interface unit LOGIMAC 280VM OP The operator interface was fully programmed for this application see description of this programming in chapter 5 of this manual For further details please refer to the manufacturer user manual supplied with unit Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 8 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM d ap September 2 3 ALARM ANNUNCIATOR LOGIMAC 280 AP 2 3 1 TECHNICAL DATA Supply voltage 24V DC Current consuming 80 mA 2 3 2 COMPONENTS and THEIR FUNCTIONS The annunciator is composed of four 4 integrates parts e Printed circuit board P N 13 50 90 59 e Face plate with descriptions P N 13 51 15 34 e Board connector with terminal P N13 42 00 03 e Flat cable P N 13 41 00 15 The printed circuit board represent the circuit as per drawing 2603 A2 see appendices 1 The circuit co
42. ssword to get following screen Defau Write Lang Back e Push Write function key consecutively to get the screen OFF Write ON e Push OFF function key to disable the alternate mode e The following screen appears OFF Write ON e Now you are in mode P2 leading pump e Tochange for P1 leading pump push OFF again consecutive push of OFF toggles between Pilead amp P2lead e Push ON to back to alternate mode or e Push Back to return to default screen Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 l USER S MNUAL Page 33 of 41 Xy e m of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM Replacing September Once displayed each defined screen will be active during 60 seconds if no key is pushed After this period the default screen will be displayed To return to default screen immediately push Back key on the operator interface PUMP CAPACITY CALCULATION PARAMETERS CHANGE FOR L280CAP ONLY e Ifthe controller is in L280CAP mode and you push Write function key on the ALTERNATE screen the first CAPACITY CALCULATION screen appears Read Write e Type the value of the M zone Measure zone INFerior level see paragraph Pump Capacity Calculation for details e Press ENTER e Press function key Write to read or set other parameter of CAPACITY CALCULATION PUMP CURRENT PARAMETERS CHANGE e f you push Write function key on the la
43. st CAPACITY CALCULATION screen e The first CURRENT screen appears Read Write e Type the value of the P1 pump Maximum current value of CT range divided by the number of wire turns in the CT s window e Press ENTER e Press function Write to read or set other parameter of CURRENT VFD CONTROL PARAMETERS CHANGE For L280VFD only e Ifyou push Write function key on the last CURRENT screen e The VFD parameter screen appears Read Write e Type the values of the frequencies Minimum for 4mA output Start frequency when the pump start Maximum maximum frequency for 20mA output D factor 0 2 1 0 a value of the ratio defining the level when the maximum frequency is reached see paragraph VFD control operation for details e Press ENTER e Press function Write to read or set other parameter or press Back to return to the default screen Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 34 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM Bo E September 5 3 ALARM SCANNING If one or more alarms described in the chapter 4 5 are activated the corresponding alarm messages will appear on the screen of the operator interface following the FAULT message All displayed alarm messages are bilinguals During the alarm s scanning each screen is displayed for 2 seconds The list of alarm messages is give
44. terface see next chapter for details It is very important to input the data as precise as possible NOTE If a section area of measure zone changes within the zone recalculate the equivalent section for uniform zone based on constant zone volume See the sketch below for details ls START 2 START 1 SUPERIOR LEVEL INFERIOR Lever MEASURE ZONE STOP2 STOP 1 Pump capacity calculation is based on the average CYCLE INFLOW and on the time needed to pump the defined previously volume of the MEASURE ZONE out The cycle inflow is measured and calculated for each pumping cycle during the rising liquid level in MEASURE ZONE Copyright ITT Flygt 2004 FCDN 495174 V4 LOGIMAC 280VM USER S MANUAL DOC P N 13 52 20 36 USER S MNUAL Page 22 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM A ai September In addition the value of the DYNAMIC INFLOW is calculated every second by PLC The dynamic inflow can be read on the operator interface screen It can be considered as instantaneous value of the inflow NOTE The Dynamic Inflow can be calculated also without the option of Pump Capacity Calculation L280CAP if the values of rated capacity amp sump section area are inputted During each pumping cycle one of the following pump capacities will be calculated by PLC e P1 capacity if only P1 pump pumps out all volume of the measure zone e P2 capacity if only P2
45. xylem Let s Solve Water User s Manual Logimac 280VM PLC based control system Version September2010 USER S MNUAL Page 2 of 41 xylem of the PLC based duplex pump Date June 2012 Let s Solve Water control system LOGIMAC 280VM dl September TABLE OF CONTENTS PAGE System parameters default settiNgS 3 PLC read only data registers re ns 4 1 INTRODUCTION o nnn rrr rmn n nnn nnn nn nnnm nnn nnnm 5 1 1 Approvals dp 5 1 2 PALM A dde 5 2 HARDWARE DESCRIPTION eem nn nn nn nr nn nn nnen 6 2 1 PLC configuration ecco bre sees 6 2 2 Operator interface 7 2 3 Alarm O 8 3 PLC INPUT amp OUTPUT CONNECTIONS M 10 4 PLC PROGRAM DESCRIPTION o err rn m 12 4 1 Initial pi ete 12 42 Analog input output reading amp Scalirig 13 4 3 Starting pump choice gt gt 16 4 4 Contactor operation gt 17 4 5 Alarme memorizing indication acknowledge reSet 18 4 6 Flushing once a day Sequence

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