DR5000 Manual
Contents
1. O ye E o Fuse 2 NO lll 4 SS E 15V E y E a Fuse 1 A i e lla ll 6 pS om gp ars Im E H H E Terminal Strip Wiring See Detail A m H HA op CUB Al P Le E fo IL II TT TT is MW aa r SCREWDRIVER WIRE Detail A TB1 TB2 TB3 TB4 10 Live 120v 230V nc l8 Output 12 2 Alam HA f ame SCREWDRIVER 9 NO 7 Output 2 PreAmp 5V 10 upu Power N 8 ne l6 AUX 9 4 5V 9 WIRE Te 7 Neutral Alarm 2 Output 8 T emp 8 6 NO 5 PumpB 7 4 Temp 7 TX 6 5 NC 4 Output 5 4 Solenoid PumpA 5 RX 5 NO 3 Output 4 O Fault 3 O PumpA NO 2 AU 3 Gg Low Level 4 2 Remote 2 OND GND 3 1 ZA PumpB NO 1 onloff 4 l2 Y Flow GND 1 Figure 5 Terminal Strip 3 2 1 Terminal Board Signal Description Terminal blocks are TB1 TB4 from left to right and Pin 1 is at the bottom of each terminal block TB1 Terminal Strip TB1 Pin 1 Pin3 Earth connection one for input power connection TB1 Pin 4 Pin 9 Neutral power connection one for input power connection TB1 Pin 10 eessen AC Mains live input TB2 Terminal Strip TB2 Pin 1 Form A contact closed when Pump B oxidizer is ON TB2 Pin 2 Form A contact closed when Pump A2. coo FLOW FLOW a 7 Optional ii Vd Preamp L p and Cable LMI PUMP DR5000 ORP CONTROLLER 3 a PUMP B PUMP A OXIDIZER REDUCER oi ATA ee Ep ad Figure 3A Typical In Line Installation DR5000 e gt a ORP CONTROLLER 7 N aooo i e i f i j F v ae LMI LMI if e4 PUMP O i h De Eb Ps yW r Go i MT Sp 9 J J OPTIONAL ee PREAMPLIFIER I INFLUENT PUMP B PUMP A OXIDIZER REDUCER SOLUTION SOLUTION A 7 E Y Y ORP Y ELECTRODE Y Y Y Y Y BATCH TANK EXCEDENTES Uz LOAD Sif yy Figure 3B Typical Batch Installation 3 2 Electrical Installation ELECTRICALCONNECTIONS To reduce the risk of electrical shock the control or metering pump must be plugged into a grounded outlet with A ratings conforming to the data on the control panel It must be connected to a good ground ADAPTERS All wiring must conform to local electrical codes INCORRECT CORRECT DO NOT USE Electrical installation of the DR5000 Series ORP controllers consists of plugging the control module into a proper line outlet Based on model number the following voltages and receptacles are required DR5000 1A DR5000 3A DR5000 6A DR5000 01A DR5000 1B DR5000 3B DR5000 6B DR
3. HOLD 5 SEC CALIBRATE will be visible and the mV ORP and 99 slope of the last successful calibration will be displayed 1 Point indicates that the previous calibration was a one point calibration Slope UU Slope CALIBRATE 1 Point LOO 15 45 Performing a New Calibration For two point calibration the default settings are Buffer 1 80 0 mV and Buffer 2 400 mV but these values may be changed The calibration parameters buffer mV and one or two point calibration of the previous calibration are the initial values for the current calibration it The unit must be placed in the Off mode The unit cannot be calibrated in the Run mode i Calibration e g 2 Point CALIBRATE 1 EE 5 seconds HOLD 5 SEC Hold the Calibrate key down for five 5 seconds Calibrate will start flashing CALIBRATE 2 ie Press En again 2 Point will start flashing Use the or wg keys to toggle between 1 Point and 2 Point CALIBRATE 3 ee Press again HOLD 5 SEC The Buffer 1 value will start flashing Use A or sg keys to program Buffer 1 mV value CALIBRATE The p symbol will prompt you to put the probe in Buffer 1 Wait for the mV value to settle CALIBRATE 5 sh Press MN again HOLD 5 SEC This will accept the first calibration value and will display the Buffer 2 mV Use Ay or keys to program Buffer
4. Run time and solenoid Delay times can be programmed to operate a solenoid pump valve An Advanced Menw allows selection of special features such as a Point 3 inflection point for the control profiles of the reducing agent or oxidizing agent pumps for finer control The DR5000 features continuous non volatile memory backup voltage selection pre amplifier outputs flow and level switch inputs as standard 4 20 mA recorder output is optional 2 0 Unpacking Your carton will contain the items shown in Figure 1 Please notify the carrier immediately if there are any signs of damage to the Controller or its parts Contact your LMI Distributor if any of the parts are missing There is a number label on the inside cover of the unit for easy reference you should note the model and serial numbers on the front cover of this instruction manual DR5000 o E o x a o o o S o 3 o o o a o Liguitan DR5OD ORP Redox DR5000 ORP Controller User Manual Figure 1 Unpacking Items 3 0 Installation Pre Installation Cord amp Voltage Code A Be sure that the unit has a plug and voltage code compatible with the power source that you intend to use Environment The housing is corrosion and spray resistant but should not be subjected to excessive spray or ambient temperature over 122 F 509 C Never immerse the unit Installation The DR
5. In this example Pump A will turn on at a ORP of 150 0 mV set point D mV Pump A will turn off when ORP reaches 100 mV 5 een Pump B Oxidizer Pump is programmed in a similar way 50 mV Hysteresis Alarm 1 DN Alarm 2 1000 AN 1000 a U Pump B 3 Pump A On O On o Q 3 150 100 100 150 Set Point Pump Set Point 1 Pump A Set Point 100 0 50 0 A In the example below Pump B will turn on at a ORP of 150 mV Set Point D ORP and will turn off when ORP reaches 100 mV Dead Band 50 mV Pump OFF N T Pump ON gt CAR AR 150 100 100 150 Lower Set Point Upper Set Point Without Dead Band or Pump Off Delay gt Pump ON Pump OFF gt 100 Lower Set Point 13 It is highly recommended that the hysteresis pump off function be used to prevent relay chatter The function of the hysteresis is to prevent pump relay chattering It operates by allowing the pump to be turned on when the control point plus or minus the hysteresis value has been met but does not allow the pump to turn off until the control point has been met The chosen value will be used for both upper and lower set points The hysteresis or dead band designates how many ORP units beyond setpointthe pump runs before turning off Any value from 0 to 100 mV is acceptable If use of this function is undesirable set it to 0 4 3 Alarms Point 1 ALARMS 0 Pre
6. LIQUITRON DR5000 RED y RUN PUMPA EDITO oxp DISPLAY PUMPB MENU h v ALARMS TIMERS CALIBRATE mA HOLD 5 SEC gt LMI MILTON ROY Figure 7 Keypad KEYS PUMPA OXD PUMPB ALARMS mA TIMERS CALIBRATE HOLD 5 SEC DISPLAY RUN EDIT This key is used to set up the control profile for the reducer dosing pump holding the key for five 5 seconds will allow priming of Pump A Factory setting 90 SPM This key is used to set up the control profile for the oxidizer dosing pump holding the key for five 5 seconds will allow priming of Pump B Factory setting 65 SPM This key is used to program the high and low alarm points and hysteresis On Off mode It also allows programming of the optional mA output when installed This key is used to program run times for Pumps A and B delay times 1 and 2 for actuating and controlling a solenoid valve when programmed On in the advanced features menu This key also allows setting of the controller response rate D If pump run time is over 11 01 hours the run time is disabled the pump will not be stopped and will run continuously This key when pressed will display details of the last successful electrode calibration holding the key for five 5 seconds will allow entry into a new calibration procedure single or two point Pressing this
7. 2 or leave as desired 16 tr AAT IBDBATEN CALIBRATE CALIBRATE CALIBRATE 2 Point Buffer 1 CALIBRATE 2 Point 2 Point Buffer 2 CALIBRATE 6 aen Press again and the H symbol will prompt you to put nc CALIBRATE the probe in Buffer 2 Wait for the mV value to settle 2 Point CALIBRATE W Buffer 2 gop g a i ad mV Pisto Press Er again This will accept the second calibration y g g 0 value and will display the mV mV and Slope result of the C J calibration a CALIBRATE y 2 Point CALIBRATE 3 yee 8 ae Press again to accept this calibration and exit Slope L L calibration mode 978 Press any other key to abort calibration i For a single point calibration only one buffer is used The theoretical value for 0 0 mV is used to complete the Calibration Curve If the calibration is unsuccessful slope lt 70 or offset gt 100 mV and Error Calibrate and E7 are displayed the calibration TERROR CALIBRATE should be repeated or else the controller reverts to using the last 2Point successful calibration performed 31 n A slope of less than 70 indicates a dirty faulty probe or contaminated buffer 4 6 Pump Timers and Solenoid Pump Valve Control Timers It is not possible to change timer values while in Run mode Unit must be in the Off mode to change values and settings Pump Run Time This tim
8. 5000 Controller should be mounted on a solid stable surface ORP adjustment pumps should be installed following the manufacturer s recommendations For installations requiring longer cables consult your distributor The electrode installation will vary depending on the process used In general the temperature electrode and ORP electrode should be mounted together and placed far enough downstream from the source of ORP adjusting solution that sufficient mixing may occur but close enough to eliminate hydraulic lag time ofresponse Refer to the typical installation diagrams Figures 3A and 3B on the following pages 3 1 Mounting the Electronic Enclosure The DR5000 Control module is supplied with integral wall mounting flanges It should be hung with the display at eye level on a vibration free structure in a location where liquids will not be splashed on it All four 4 top mounting holes should be used for structural stability The control module requires the following clearances 2 51mm gt Fh U LIQUITRON DR5000 TT Y gt o 10 254mm 4 102mm 8 203mm Figure 2 Minimum Clearances ORP SS N
9. 40 Flush 4 32209 Latch Machined 5 34270 I O Board Assembly 6 34716 Standoff Self Adhesive 7 31632 Screw 6 x 38 8 34329 BNC Cable Assembly 9 34330 Ribbon Cable Assembly 10 25957 1 Cord Clamp PG 9 clamp for female outlet power cord 11 36810 Dowel 12 31571 Clamp Cord PG 9 clamp for 4 pin cable 13 34074 Gasket Foam 14 34088 Cover Utility Box 15 30588 Label LMI Logo 16 37526 Front Panel Assembly 17 31617 Cover Liquitron 18 32094 Label Housing cover LMI 19 32211 Cap 125 x 38 20 32352 O Ring Sponge 21 32395 Screw Self Tapping 22 34911 Cover Fuse 23 35711 Cord Power 115V NEMA 15 R DR5000 XA On Off 33636 4 Pin Cable DR5000 XB Proportional 24 34930 Terminal Cover Label 25 34315 Circuit Board Support 26 30749 Power Cord 115 V DR5000 1A B 30751 Power Cord 220 V US DR5000 2A B 30752 Power Cord DIN DR5000 3A B 34783 Cord Assembly UK DR5000 5A B 30754 Power Cord AUST DR5000 6A B 34784 Cord Assembly SWISS DR5000 7A B 27 34310 4 20 mA Circuit Board Assembly 28 35712 Fuse 4 Amp 9 0 Exploded View U S VERSION ONLY ON OFF PROPORTIONAL CONTROL 25 10 0 Program Log For record keeping a program log is provided below 26 Proportional On Of
10. 5000 01B 115 V 60 Hz 230 V 50 Hz 230 V 50 Hz 115 V 60 Hz USA Cord DIN Cord AUS NZ Cord No Cord DR5000 2A DR5000 5A DR5000 7A DR5000 02A DR5000 2B DR5000 5B DR5000 7B DR5000 02B 230 V 60 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 60 Hz USA Cord UK Cord SWISS Cord No Cord Connect the ORP adjustment pump s to the terminal strip for On Off mode control connect to recepta 115 V models or to cables for Proportional Output mode control Connect the ORP electrode to the cles directly for BNC connector on the right side of the control module Take care not to twist or strain the wires You may optionally connect an alarm solenoid flow switch and low level switch You may also connect the mA connections optional The 4 ES V supply for electrode pre amplification is also accessed on the terminal strip There is a 500 W maximum resistance for 4 20 mA option when used Proportional ON Off 10ft 3m 12in 304 8mm od _ ORP Electrode BNC Connector Output Wiring Power Cord for Options 6ft 1 8m Bottom View Input Output o Wiring for Options oI IL I I to a 2 i Power Cord pa NI i Oxidizer Pump Output Reducer Pump Output Figure 4 Electrode and Pump Connections Voltage Selection Switch
11. C 15 50 Hz Voltage input selectable via a selector switch located on the VO PCB Flow Switch Remote On Off Spares All low voltage inputs active low i e the active state is when the switch is closed The switch must be capable of switching 2 mA at 15VDC Pulse Pump A and B Alarm All low voltage outputs capable of switching 2 mA at 24 VDC The pulse output frequency range will be 0 100 per minute The pulse output active low The pulse width 100 ms in the active low state Opto Isolated NPN transistor open collector configuration Nine key membrane keypad with tactile response The switches are multiplexed 3 x 3 Polyester with a hard coat finish 2 6 N to 3 3 N 0 65 mm 6 way gold plated Berg clincher type 65801 035 0 1 mV 500M W probe ambient cycle 0 F to 113 F 0 C to 45 C 0 1 mV 2000 to 2000 mV 108 W 10 W 700 V Fuse protected Electromechanical 115 230 VAC 10A 6A 10A 115 VAC or 6A 230 VAC Normally open and normally closed contacts FORM C Change over relay 15V 230VAC 10A 6A NO On Off Relays are Fuse Protected FORM C Normally open relay 4A 250 VAC time delay Anti surge LCD Display___________ Operating Voltage Operating Temperature Viewing Area Backlight Memory Backup Data Retention No Power Light Output Area Pre amplifier Output Voltages Voltage Output Voltage Tolerance Current Output Computer Communications NA 4 20 mA Load Acc
12. annncncncnnnnnnnncncnnnnn 15 4 5 Performing a New Calibration usd it 16 4 6 Pump Timers and Solenoid Valve Control Timers cooocooccconiciconoconooonconnnoncnnnnnnnonnnonnncnnnnnnnnos 17 4 7 Advanced Menu LiSt rtorras 20 Maintenance cui ai 20 521 ORP Electr de and Cable inicia AA a 20 Troubleshooting pt tt id A ad y NF FN 21 6 1 Error Messages spero oie teas eave dw edn 21 DR5000 S pecifications srasni r a das 22 Parts Sii A A AA A A dal ces Seeds 24 Exploded View iii aii 25 Programi OG ii ge RA deceased ik Nata A dwU Tn GR rdd Fa DDAA 26 Statement of Limited Warrantys eu A eee 27 1 0 Introduction The Liquitron DR5000 Series ORP Oxidation Reduction Potential Controllers are designed for a variety of industrial ORP applications including metal finishing water treatment printed circuit board manufacturing and waste treatment The DR5000 is a microprocessor based ORP controller with a backlit customized display and tactile keypad for ease of programming The DR5000 allows independent programming of control methods On Off or Proportional for reducing agent Pump A or oxidizing agent Pump B dosage Independent high and low ORP alarms may be set with activation of the Alarm relays A third relay output is available for activating a solenoid valve or other devices The controller is compatible with any ORP electrode that generates amV signal Two point or single point ORP calibrations may be performed Timer functions for pump
13. ed only in the Off mode I ce Press u to display current settings Pump A set Point 1 2 ce Press or ts to the increase decrease the ORP value of fall Set Point 1 for turning on Pump A 1 0 5 Or Press again to advance to next Pump A setting N o Pump A Set Point 1 4 Press or w to increase decrease the pump speed o pulse min for Pump A at ORP Set Point 1 Pulses Min 5 Press again This changes to data for Set Point 2 for Pump A Point 2 E 6 Press A or wv to increase decrease the ORP for 130 0 Set Point 2 O Press _ again to advance to next setting l Pump A Point 2 8 Press A or wv to increase decrease pump speed 9g pulse min for Set Point 2 Pulses Min 9 Pump B Oxidizer Pump is programmed in a similar way it If Point 3 is selected in the Advanced Features menu the user will be prompted to enter a ORP value for Set Point i 3 and a Pump Speed at Set Point 3 4 2 On Off Mode Pump A Control Profile For On Off Controllers with relay outputs instead of pulse outputs each pump is programmed as follows it Controller must be in Off mode to program changes 1 Press to view Pump A settings 2 ee Press gw or w to increase decrease ORP Set Point 3 Press gam again to advance to next Pump A settings PUMP A 4 Press Py or WI to program D Hysteresis ORP period for relay
14. er is set to the maximum time the pump can be on Ifthe timer is set to over 11 01 hours the timer is disabled This timer is started when a pump is On and the ORP value is outside the set points The controller will stop the pumps when the time reaches 0 and activate Alarms The run time is reset each time the ORP enters the desired set point region Solenoid Delay Pump Valve Time The Solenoid Valve Relay output may be activated when the ORP is within the set points for the time specified by Delay 1 This may be used for system integration and for emptying a batch tank etc The Delay 1 Timer defines the period to allow ORP and system parameters to settle The Delay 2 Timer On time defines how long the valve will stay open When these Delay Timers are active pump dosing cannot take place but the DR5000 will monitor the ORP The Delay 2 timer starts when the outputs are activated If the ORP drifts outside of the set point and range the solenoid relay will be deactivated If a Delay 2 time goes below one hour then the display will change to minutes seconds from hours minutes 17 Setting Timers it The unit must be in the Off edit mode to change the timer settings l i TIMERS AA Press the key to view the run time for Pump A 2 en Use or w to adjust to desired maximum run time The hr min will change to min sec automatically as the run time
15. f Proportional On Off Pt1 Pt2 Pt1 Pt2 Pump A Set Point 100 750 100 Pump A Pulses Min 20 90 lll MAI Pump B Set Point 100 750 100 Pump B Pulses Min 30 65 ll lll Hysteresis 1 lll fil 50 fff tll Hysteresis 2 II YH 50 IHI Alarms Alarms Alarm 1 1000 mV mV Alarm 2 1000 mV mV Hysteresis 10 mV mV mA Response mA Response Current Low 4 0 mA mA Signal Low 1000 mV mV Current High 20 0 mA mA Signal High 1000 mA mV Timers Timers Pump A On Time 20 00 Min Pump B On Time 30 00 Min Sampling Time 00 10 Min Delay to Solenoid ON 5 00 Min Solenoid On Time 20 00 Min Calibration Calibration Number of Points 2 Buffer 1 80 0 Buffer 2 400 0 11 0 Statement of Limited Warranty LMI TERMS AND CONDITIONS OF SALE 1 Seller warrants that the equipment delivered by it to the Buyer is in accordance with the Seller s published specifications and is of the kind and of the description contained in seller s invoice THIS WARRANTY IS IN LIEU OF AND TO THE EXCEPTION OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT BY WAY OF LIMITATION WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE DISTRIBUTOR IS NOT AUTHORIZED TO BIND THECOMPANY FOR ANY OTHER WARRANTY THE FOREGOING STATES THE COMPANY S ENTIRE AND EXCLUSIVE LIABILITY AND DISTRIBUTOR AGREES TO HOLD THE COMPANY HARMLESS FROM AN IMPROPER APPLICATION OF PRODUCTS 2 Seller s liability for breach of the foregoing warranty is expressly limited t
16. hen the key is pressed the controller EDT starts and switches into the Run mode EXAMPLE Proportional Controller This display shows a ORP value of 900 Pump A is flashing indicating that the reducer pump is in operation The pump will stop pumping after 46 35 minutes and alarm will activate if set point is not reached For two 2 seconds in every eight 8 seconds the 5 display shows pump speed in pulses minute The 5 g pulses min displayed relates to the pump that is in vn Pulses Min operation a When the ORP value exceeds the programmed ORP alarm point the ALARM flashes and the 9 alarm relay is activated I ii Throughout this manual the term pulse is used to describe the mechanical stroke of the pump as strokes per minute Hh SPM 11 4 1 Proportional Mode The unit is shipped pre set at the factory for the Proportional or On Off mode To change the unit to the opposite mode see Advanced List Option 2 on page 20 Alarm 1 Alarm 2 1000 1000 Point 2 Pump Au Pump A Control Profile y Point 2 Pump B A 90 4 Controller must be in Off mode si tk a Point 3 y Wok Desired PA Point 3 to program changes Optional ORP v a Optional gt Reatony 30 20 Set Point dd Sep Point 1 Pump B Pump A 750 100 100 750 ORP Pressing switches the mode back and forth from Run to Off The ORP set points and pump speed pulses min can be chang
17. instruction Manual Liquitron DR5000 Series ORP Redox Controller For file reference please record the following data Model No Serial No Installation Date Installation Location When ordering replacement parts for your LMI Controller or accessory please include the complete Model Number and Serial Number of your unit Wr 8 Post Office Sguare Acton MA 01720 USA TEL 978 263 9800 FAX 978 264 9172 MILTON ROY http www Imipumps com Replaces same of Rev D 1 98 1761 E 9 99 Contents 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 INTO UC ON iii iii 3 Uppacking Eu FT FFA FF FPA ENFYS RE ERW FFR FE FY REFER AO ENA 3 Installations Se eu AGM MO Uu NO NN Y YNN MG A di 4 3 1 Mounting the Electronic Enclosure cicis c c2oc sasecsk senses YD YR RA FON iia 4 3 2 Electrical installato add A 6 3 2 1 Terminal Board Signal Description oooooocccnnnnnnnicococccccccnnnnononcncccnonnnannnncnnnnnnnnnnnnnnno 7 3 2 2 Field Wiring Instructions Optional 4 20 mA Output oooccccccnnccnncccnncnncconccncconcnnnnnnnos 8 3 3 ORP Adj stment PUD eau italia tated retail sito mdd 9 3 4 Reypad and DISPARO E A 9 Operation ce i GG Y y CD Su FN neues Oss Tete Reade eae eae E Sees 11 4 1 Proportional MOd6 sicrie aaa ei AA as 12 4 2 OMNO MOO ccoo coi aaa 13 4 3 ALARMS aaa 14 4 4 Calibration Viewing Last Calibration Data oooonncoccccnncnnicconccccnnnnononnn
18. is reduced below 1 hour TIMERS 6 Press the key to advance to run time for Pump B 4 Use A or w to adjust to desired maximum run time The hr min will change to min sec automatically as the run time is reduced below 1 hour Delay Timers are factory set in the deactivated mode The Delay I and Delay 2 Timers are activated deactivated in the Advanced Features Menu These screens will not display when the delay option is deactivated Solenoid Valve Control TIMERS 5 Press the Si key to advance to Delay 1 time i ifactivated Delay 1 is the wait time after ORP enters the HP 00 min desired region before the Solenoid is activated Delay TIMERS 6 Press the key to advance to Delay 2 time if activated Delay 2 is the Solenoid On time 2 030 x If the ORP should go out of the desired range during Delay1 or Delay 2 the Solenoid cycle will terminate It will start again from zero when ORP re enters the desired region If ORP remains in the desired region the controller 1 will enter Off mode at the end of the Solenoid On time The controller turns On again in one minute and the cycle repeats TIMERS Miss Press key to advance to Response Rate This is programmed in D ORP units 00 10 The smoothing of the input signal is determined by D ORP time The following values can be program
19. key will cause the display to alternate showing various settings holding the key for five 5 seconds will allow entry to the advanced features menu This key is used for starting and stopping run or edit the pumps and changing set points in the controller It changes the mode of the controller from Run to Off or y These keys are used to change values on the display Simultaneously pressing these two keys will lock the keypad to prevent casual tampering Pressing them a second time will unlock the keypad Wait five 5 seconds between locking and unlocking ALARMS mA 4 0 OPERATION In the default mode as shipped from the factory without any extended features programmed in the menu the controller is set to operate two dosing pumps towards a single desired ORP region as defined by the set points It will do this in one of two ways On Off or Proportional shown graphically below Alarm 1 Hysteresis Alarm2 Alarm 1 Alarm 2 1000 LEON 1000 1000 1000 Point 2 Pump A 4 N 7 Point 2 Pump B 90 Pump B 5 Pumpa lbesired On On ES ORP l D so Pp 20 Set Point 4 Set Point 1 Q Pump B Pump A 150 100 100 150 750 100 100 750 Set Point ORP ORP On Off Control Proportional When the unit is plugged in the computer powers up and the display illuminates The display flashes the ORP reading and Off This indicates the pumps will not operate and the unit is in the Off mode W
20. med min sec 00 01 00 10 00 20 04 00 In increments of 10 seconds When 00 01 is programmed the controller responds to a change in input in one 1 second If 00 10 is selected the controller responds to a change in input in ten seconds i e the value displayed is the average of the 10 previous 1 second readings Examples The sampling time delta is 00 10 and the current reading is 20 00 mV When the ORP input is increased instantaneously to 120 00 mV the display will respond as follows Seconds O 1 2 3 4 5 6 7 8 9 10 11 ORP mV 20 30 40 50 60 70 80 90 100 110 120 120 If the sampling was 00 01 seconds the response would be Seconds O 1 2 3 4 5 6 7 8 9 10 11 ORP mW 2 1201120 120 120 120 120 120 120 120 120 120 Display Key DISPLAY While in the Run mode the key can be pressed once to display current parameters Each screen will come up for three 3 seconds and then returns to ORP or System Run display automatically screens shown are 1 e mV mA Similarly the Pump Control Points are consecutively displayed in the Run mode by pressing the Pump A or Pump B keys once RED PUMPA Pump A Set Point 1 Pump A Point 1 ODO 1 Second eu Pulses Min 19 4 7 Advanced Menu List DISPLAY Holding the key for five 5 seconds allows programming of Advanced Features in a Menu The menu can be accessed b
21. o the repair or at Seller s option replacement of such equipment FOB factory or Acton MA Such obligation to repair or replace such equipment shall terminate 12 months after the delivery to such equipment to the Buyer In no event shall the Seller be liable for any consequential damages resulting from any breach of warranty The Company warrants the Products in accordance with the statement of warranty policy included herein except that pump Product series designated as A B C E and P and Liquitron series of product shall be warranted for a period of two 2 years from the date of delivery from Company and except replacement elastomeric expendable parts and probes which are not covered by any warranty either express or implied Ifthe Buyer claims that the warranty contained herein has been breached it shall immediately notify the Seller of such claimed breach in writing at Seller s address contained herein The Buyer shall render necessary assistance to Seller and it shall furnish adequate means for operating and testing such equipment The SOLE PURPOSE of the foregoing stipulated exclusive remedy shall be to provide to the Buyer free repair or at Seller s option replacement of non conforming equipment in the manner provided herein This EXCLUSIVE REMEDY shall not be deemed to have failed of its essential purpose so long as the Seller is willing and able to repair or at its option replace non conforming equipmen
22. reducer is ON TB2 Pin3 4 nc Form C contact activated if programmed when ORP is within programmed limits solenoid pump TB2 Pin5 6 Form C contact activated when Alarm Set Point 2 exceeded powered output contacts TB2 Pin7 8 Form C contact activated when Alarm Set Point 1 exceeded powered output contacts TB3 Pin 1 2 Opto isolated input low or short stops pumps Set Point OFF on display Remote ON OFF TB3 Pin3 4 wo Opto isolated output low when alarm condition exists TB3 Pin5 6 Opto isolated output pulse train to drive Pump A TB3 Pin7 8 Opto isolated output pulse train to drive Pump B TB3 Pin9 10 Spare not programmed TB3 Pin11 12 4 20 mA output proportional to ORP programmable limits optional TB4 Terminal Strip TB4 Pin 1 2 Opto isolated input flow switch input add jumper if no flow switch is used TB4 Pin3 4 oe Opto isolated input level switch input add jumper if no level switch is used TB4 Pin 55 6 oe Serial Communications NA TB4 Pin 7 8 ee Temperature input NA TB4 Pin 9 10 Power voltage source for preamp TB4 Pin11 12 Spare not programmed 3 2 2 Field Wiring Instructions Typical US field installation would find a 6 ft 2 m AC cord wired and two 2 1 ft 30 cm AC receptacles On Off mode or two 2 10 ft 3 m pump drive cables P
23. roportional mode installed A BNC receptacle would be installed for the ORP probe Connect the two 2 pumps appropriately Install the probe run the cable back to the controller and attach to BNC receptacle If the probe is farther than 25 ft 7 6 m from the controller a preamp may be desirable to reduce noise effects If this is the case use 5V 5V from control box TB4 Pin 9 10 for your preamplifier Current draw must not be greater than 10 mA Ifa flow meter and or low level tank switch is available run wires to the controller entering through one of the spare cable ports Remove the appropriate jumper s and attach the external wires Polarity does not matter Wire size 20 22 is adequate Alarm relays and 2 are provided to signal an out of tolerance condition externally These are Form C contacts providing a common a normally open and a normally closed connection These terminals provide power output A solenoid drive relay Form C contacts providing a common a normally open and a normally closed connection is provided that can be connected to drain a tank when the ORP is within programmed limits A delay can be programmed after initially entering this programmed zone to allow conditions to settle within the tank The duration of solenoid On time is also separately programmable Wire size 16 18 is recommended These terminals provide output power main voltage The optional 4 20 mA PCB provides a fully programmable 4 20 mA o
24. ss ser to view Alarm settings 7 iv g O L m J m 2 ee Press A or sg to program Alarm Point 1 low alarm pump B ALARMS Biar Press again to save settings and to advance to next Point 2 Alarm set point 10 g O 4 mico Press Ay or N to program Alarm Point 2 high alarm pump A ALARMS PA Press MW again to save data and to advance to hyster mA J esis setting 6 Press Ps or wv to program Alarm Hysteresis value This is the point where the alarm turns off If the 4 20 mA option board is installed the following screens will appear If these do not appear and the 4 20 mA PCB is installed go to Section 4 6 Advanced Menu and program option 7 to 1 and option 6 to 1 ALARMS 7 aun Press again to display current mA value ALARMS 8 a Press muy again to program the 4 20 mA output for mA Point 1 9 Press Ay or amp to select the mV value for Point 1 mA output Default is 4mA 1000mV 20 mA 1000 mV ALARMS 10 Press again Press Ay or wv to selectthe mA value at Point 1 ALARMS 11 Press again Press A or Ww to select the mV value for Point 2 mA output ALARMS a rae 12 Press again Press y or v to select the mA value at Point 2 4 4 Calibration Viewing Last Calibration Data Point 1 Point 1 CALIBRATE 1 a Press the MW key once
25. stability or lack of response check the electrode replace if necessary and recalibrate Follow manufacturer s recommendation for cleaning the electrode Take care not to damage input cables or allow the connections to get wet 20 6 0 Troubleshooting 6 1 Error Messages Troubleshooting and repair of the malfunctioning unit should only be attempted by qualified personnel using caution to ensure safety and limit unnecessary damage Should an error or alarm condition occur the controller will alert the operator to this by flashing an Error Message These messages are depicted below with a brief explanation El LOW LEVEL SWITCH El a gt E2 FLOW SWITCH EL N E3 ALARM 1 LOW ORP PUMP B EJ E4 ALARM 2 HIGH ORP PUMP A EY E5 Pump B LOCKOUT TIMER E5 E6 Pump A LOCKOUT TIMER EG E7 CALIBRATION ERROR El E9 FAULTY DISCONNECTED PROBE l ES Turn system off to clear error message 21 7 0 DR5000 Specifications Power Requirements Inputs Outputs Output Type Keypad Material Actuation Force Travel Termination Connector ORP Probe Input Accuracy Resolution Input ORP Range Input Impedance Differential Input Impedance Common ESD Protection Relays Alarm Relays 2 Solenoid Valve Relay 1 Current Voltage Rating Contact Type Pump On Off Relay 2 On Off CONTROL Fuse 22 115 VAC 15 60 Hz 230 VA
26. t in the prescribed manner 3 Seller shall not be liable for any loss or damage for delays in delivery or compliance with any warranty provision contained herein due to acts of God acts of civil or military authorities fires floods wars riots labor strikes or actions accidents or delays in transportation or any other cause beyond the Seller s control 4 All Shipments by Company to Distributor shall be made F O B Factory Acton Massachusetts 01720 U S A unless special arrangements are agreed to by both Company and Distributor 5 The within terms and conditions constitute the entire agreement of the Buyer and Seller Such terms and conditions may not be modified altered or amended except by a writing signed by both parties Such terms and conditions shall be binding upon the parties hereto their successors and assigns In the event that any term or condition shall be held to be invalid or unenforceable all other terms shall remain in full force and effect Such terms and conditions shall be governed and construed in accordance with the laws of the Commonwealth of Massachusetts 27 a 8 Post Office Square Acton MA 01720 USA TEL 978 263 9800 MILTON ROY FAX 978 264 9172 http hwww Imipumps com Liguitron is a t K of Liguid Metronics Inc O 1999 LMI Milton Roy All Rights Reserved MH ATH TR LU Mevonice IR Printed in USA Specifications subject to change without notice
27. uracy Control Outputs Pump A Pump B Proportional Control Fault Control Inputs Remote On Off Flow Switch Low Level Input Aux spare Environmental Operating Temperature Enclosure Mechanical Control Board Terminal Power board Option Board 5V 32 F to 122 F 0 C to 50 C 1 2 x 1 8 inches 30 5 mm x 45 7 mm An 8 emitter dual LED type double row reflective backed backlight module will be used The light output color and reflective backing color will be high performance green EEPROM 10 years minimum 1 2 x 1 8 inches 30 5 mm x 45 7 mm ES V ES maximum E1l0 mA maximum 500 Ohms maximum resistance 0 2 mA The 4 20 mA shares a common ground with 15 V and the low voltage inputs Opto Isolated Open Collector 2 mA Opto Isolated Open Collector 2 mA Opto Isolated 2 mA Opto Isolated 2 mA Opto Isolated 2 mA Opto Isolated 2 mA Printed Circuit Boards conformally coated 32 F to 122 F 0 C to 50 C IEC IP65 NEMA 4X Hardwired IEC IP NEMA 12X Two printed circuit boards 3 if option installed Microcontroller amp Display Low Voltage Transformer fuses terminal blocks relays 4 20 mA output Low Voltage 23 8 0 Parts List 24 Key No Part No Description 1 34691 Housing Machined 2 32186 Screw 4 40 x 37 3 32187 Nut 4
28. utput based on the ORP readings The optional PCB plugs into the back of the computer PC board as shown in Figure 6 _ 4 20mA Board Option Figure 6 Circuit Board 3 3 ORP Adjustment Pump s There are two 2 versions of the DR5000 one is the On Off Output mode and the second is Proportional Output mode In the On Off Output mode the DR5000 ORP Controller will operate any ORP adjustment pump s which operate on the same line voltage as the controller itself Combined continuous controlled load must not exceed 6A 115V or 3A 230V To ensure efficient control the pumps should be capable of delivering at least 150 of the maximum pumping requirement Install and calibrate the pumps according to the manufacturer s recommendations In the Proportional Output mode the DR5000 ORP Controller will operate any LMI Series A9 A7 B9 B7 C9 C7 E7 or L7 pump or any other pump which operates by providing direct proportional response to amodulated pulse input signal The pumps must be set to the external control mode To ensure efficient control the pumps should be capable of delivering at least 150 of the maximum pumping requirement Install and calibrate the pumps according to the manufacturer s recommendations 3 4 Keypad and Display The DR5000 ORP Controller menu allows the user to input all the variables necessary to customize the controller for the application The keypad is used for all programming
29. y pressing the Display Menu key for five 5 seconds while the controller is in the Edit or Off mode The first item displayed is the software revision Pressing Display Menu again cycles to the first option The firstnumber is the option The second is the setting Use the PR or Rs to change the setting Option Setting O O 1 1 Control returns to Run 60 seconds after last keypress 0 Run Edit key is On Off 2 1 On Off Control 0 Proportional Control and On Off 2 Proportional Control 3 1 Point 3 Programming Enabled 0 Point 3 Programming Disabled Two point only Communications Enabled Option Board must be fitted 4 1 Solenoid programmed to switch on after programmed time Delay 1 and to switch Off after programmed time Delay 2 0 Solenoid Disabled i Communications Disabled mA Enabled Option Board must be fitted mA Disabled Allows editing of 5 amp 6 Lockout 5 and 6 i The Option Board 34310 is required for Options 5 and 6 5 0 Maintenance 5 1 ORP Electrode and Cable The most frequently replaced part is the ORP electrode which will deteriorate with age Refillable electrodes should be checked for level frequently and replenished with filling solution as necessary An electrode may also fail because of e aging slow response to changing ORP coatings over the glass bulb slow response to changing ORP e abrasion of the glass bulb shift in calibration e chemical attack e breakage If you experience in
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