liquid intake monitor
Contents
1. Meal NoMeal Meal ADD M 0 SET M I S M I 1 B I 2 987 987 SET I I 2 M 1 M 1 B E E 8B C W gt 2 NoMeal ADD P 0 SET P K S P K 1 B P Kt2 987 987 SET K K 2 P 1 P 1 B E E t B C W gt S2 Z End W Weigh MG BOX 8 SET B C W IF B gt A MinMeal Meal NoMeal Meal ADD M 0 SET M I S M I 1 B I 2 987 987 SET I I 2 M 1 M 1 B E E B C W gt S4 NoMeal ADD P 0 SET P K S P K 1 B P K 2 987 987 SET K K 2 P 1 P 1 B E E B C W gt S4 S4 1 gt SX KK KK KK MEAL TIMER A KK KK SASN ST Zz StartMeal SET S 0 001 gt S2 S2 0 001 SET S S 0 001 gt 2 Zz StopMeal Z End gt S1 RR KK KK KK RECORD DRINKING KK KK S S 4 S1 START G Weigh MG BOX SHOW 12 Starting Liquid Weight G gt S2 S2 R LiquidHeadEntry Z StartDrinking gt S3 23 DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc Z End X Weigh MG BOX gt S4 S37 R LiquidHeadEntry gt S3 A EndDrinkTicks T X Weigh MG BOX SET O H X Z StopDrinking IF O gt A MinDrink Drink NoDrink Drink ADD N 0 SET N J T N J 1 O N J 2 987 987 SET J J 2 N 12. tial Total grams grams tial Drinking Bout Data Total Number of Partial Drinking Bouts 21 DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc 1 Total Liquid Consumed in Partia ength of Partial Drinking Bout siqguid Consumed During Partial L 1 Ending Food Total Ending Weight Ending Liquid Total g Ending Weight List Working Variables Here Bout Food Eaten grams Current Food Available grams Current Liquid Available grams l Drinking Bouts ms Drinking Bout grams grams rams grams Subscript for the Subscript for the Subscript for the Subscript for the Bout Liquid Drank Meal Array M Liquid Bout Array N Partial Meal Array P Partial Liquid Bout Array Q grams Elapsed Session Timer eal Timer Drinking Bout Timer OO gO PO gg pa gf HNYAOFPRNGUHTEAW Z Pulses Used in this Program StartMeal 1 StopMeal 2 StartDrinking 3 StopDrinking 4 End 32 Signal Signal Signal Signal Signal Start of a Meal Stop of a Meal Start of a Drinking Bout Stop of a Drinking Bout End of Data Collection DIM A DIM M DIM N DIM P DIM Q 1000 1000 1000 1000 DISKFORMAT DISKCOLUMNS 8 2 3 KK KK KK LIQUID amp FOOD WEIGHING SYSTEM SCHEDULE Sl Set default values A inimum Meal Weigh
3. Subscript for the Drinking Bout Array M J Subscript for the Partial Drinking Bout Array P S Drinking Bout Timer T Session Timer a an an an a an Z Pulses Used in this Program StartDrinking 1 Signal Start of a Drinking Bout StopDrinking 2 Signal Stop of a Drinking Bout End 32 Signal End of Data Collection DIMA DIM M 10000 DIM P 10000 ll Ww DISKFORMAT DISKCOLUMNS Ilol N Ww AAAA KK KK OK LIQUID WEIGHING SYSTEM SCHEDULE S1 Set Default Values inimum Drink Weight 0 1 g End of Drinking Bout Criterion 120 sec Session Time 480 min KKEKKKKKKKKKKKKKKKKKKK KK KK KK KKKKKKKKKKKKKKKKKK KKK KKK 17 DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc SeSe l S13 0 01 SET A MinDrink 0 1 A EndDrink 120 A Session 480 SET I 2 J 2 M I 987 987 P J 987 987 gt S2 S2 START CLEAR 1 60 SET A EndDrinkTicks A EndDrink 1 gt 3 0 01 SHOW 2 Minimum Drink Weight grams A MinDrink SHOW 3 End of Drinking Bout Criterion sec A EndDrink SHOW 4 Session Time min A Session gt SX S3 1 SET A EndDrinkTicks A EndDrink 1 gt SX RR KK KK KK A RECORD DRINKING A KK OK SS 2 S1 START F Weig
4. frci cozse fi Analog Input Counter 1 0 Digital 0 Channel 0 Input Limits High 10 0000 Last Error Low fi 0 0000 Fatal Error 10 00 Error Codes stat 776 Data Mode oi ar Y Scale Mode Average Reading C OneShot C Auto Scale 2804688 Continyous Full Range 13 DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc LIQUID INTAKE MONITOR 7 Ensure the Data Mode is set to Strip Chart and the Y Scale Mode is Full Range as shown in Figure 3 5 8 Change the Test Panel data channel to match the intake monitor that is being calibrated To calibrate the first monitor set the channel for 0 for the second monitor set the channel to 1 etc 9 Verify that the position of the green signal line in the chart and the Average Reading below the chart is approximately zero 10 Place the 200 gram calibration weight on the bottle as shown in Figure 3 6 Figure 3 6 Bottle with Calibration Weight 11 Using a small flat blade screwdriver turn the Gain Adjustment Screw located through the top cover of the amplifier box until the Average Reading is 9 5 0 1 Volts 9 40 to 9 6 Volts See Figure 3 7 Figure 3 7 Gain Adjustment Screw 14 DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc 12 13 14 15 Maximize the Weighing System Tare and Calibrate Utility Enter the value of the calibration weight in the Calibration Weigh
5. Inc LIQUID INTAKE MONITOR 3 Install the stopper with the Lixit valve Ensure that the stopper is not cocked in the bottleneck See Figure 2 7 Figure 2 7 Stopper Lixit Valve Assembly 4 Invert the bottle with the stopper and verify that the water level is below the level of the vent screw If the water level is above the vent screw remove liquid until it is below the bottom of the screw See Figure 2 8 Figure 2 8 Water Level Verification DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc LIQUID INTAKE MONITOR 5 Once the proper liquid level has been reached open the vent by turning the screw until the vent port in the threaded section is visible See Figure 2 9 Figure 2 9 Water Bottle with Vent Open 6 After the vent is opened prime the Lixit valve by manipulating the shaft in the center of the valve opening Pressing in on the shaft or manipulating it up and down opens the ball valve in the tube and allows the liquid to flow See Figure 2 10 Figure 2 10 Lixit Valve Priming 7 Now that the bottle is functioning properly gently position it on the load cell platform The rubber stopper should rest on the platform while the Lixit valve assembly is fed through the slot in the platform and guided through the retaining hoop in the front of the underside of the 8 DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc LIQUID INTAKE MONITOR platform Move the stopper forward until it fi
6. gt S2 Say Allow time for screen update before closing the session and saving data 5 gt STOPABORTFLUSH KK KK OK UPDATE FOOD WEIGHT KK KK KK S S 8 Get the Starting Weight Update the Starting Weight every 1 minute when the Animal is not eating This removes food that is lost for reasons other than the Animal eating Sty 0 001 C Weigh MG BOX 8 gt S2 S2 R FoodHeadEntry gt S3 1 C Weigh MG BOX 8 gt S2 Z End gt S4 S3 R FoodHeadEntry gt S3 A EndMealTicks T gt S2 Z End gt S4 S4 LA See OB RK KK KK UPDATE LIQUID WEIGHT KK KK KK S S 9 Get the Starting Weight Update the Starting Weight every 1 minute when the Animal is not drinking This removes liquid that is lost for reasons other than the Animal drinking S1 0 01 H Weigh MG BOX gt S2 S23 R LiquidHeadEntry gt S3 1 H Weigh MG BOX gt S2 Z End gt S4 S3 R LiquidHeadEntry gt S3 A EndDrinkTicks T gt S2 Z End gt S4 S4 Tre gt SX 25 DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc MED ASSOCIATES INC LIQUID INTAKE MONITOR APPENDIX A DRIVER AND SOFTWARE INSTALLATION If not already done install the MED PC software and the DIG 704 card per the instructions included with MED PC Do NOT install the DIG 744 PCI Data
7. Acquisition card PCI 6023E at this time You will be instructed to do so at a later time Insert the Intake Monitor CD into the CD ROM drive The screen shown in Figure A 1 will appear Click on Install Weighing System The screen shown in Figure A 2 will appear Figure A 1 Weighing System Setup E Weighing System la J x MEd associates inc Welcome to Weighing System Install Weighing System Extras Browse the CD Exit Click Install to begin the driver and software installation Follow the steps to complete the National Instruments installation and when installation is completed the screen shown in Figure A 3 will appear Figure A 2 Begin Driver and Software Installation Weighing System Install Wizard med associates Ing Welcome to the install wizard for Weighing System The wizard will install Weighing System on your computer To continue click Install Weighing System NI DAQ Driver DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc MED ASSOCIATES INC LIQUID INTAKE MONITOR The software and driver installation is now complete Click Finish to close this window Shut down the computer and remove power Install the DIG 744 PCI Data Acquisition Card according to the instructions included with the computer for installing PCI cards Figure A 3 Installation Complete Weighing System Install Wizard me
8. C 2008 MED Associates All rights reserved Liquid amp Food Weighing System mpc After the program starts it looks for a Head Entry into the Food and or Liquid Hopper When a Head Entry is detected the program times how long the Meal and or Drinking Session is and records how much food and or liquid is taken during the session The Minimum Meal Weight parameter is used to determine if the Eating Bout is a Partial Meal or a Complete Meal The End of Meal Criterion is used to determine when a Meal has ended The default value is two minutes This means that two minutes must pass with no Head Entry into the Food Hopper before the Meal is considered over It is not used to determine if the Meal was a Partial Meal or a Complete Meal The Minimum Drink Weight parameter is used to determine if the Drinking Session is a Partial Drinking Bout or a Complete Drinking Bout a a an a ar an an an a a an a a a an an a 20 DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc wp Bn The Session minutes Drinkin Drinkin The Se a an an an an an a a Inputs LiquidHe FoodHead Outputs HouseLig A C Var Alias Var Alias seconds Var Alias Var Alias seconds Var Alias minutes eal eal in Session EndMealT EndDrink Da To Oo st st Fa a a ana Q H H o H an an an a an an an a OE GO ge GO aa Drink EndDrink d of
9. Drinking Bout Criterion is used to determin has ended The default value is two minutes This means that two must pass with no Head Entry into the Liquid Hopper before the g Session is considered over It is not used to determine if th g session was a Partial Drinking Bout or a Complete Drinking Bout when a Drinking ssion Time is how long the program will run Program expects a Resolution of lms ad En Level Mode Level Mode Entry try aa Defined A 0 A 1 ontrol Variables with Assigned Aliases as inimum Meal Weight grams t Default End of Meal Criterion seconds Default 0 1 grams 120 Default Default inimum Drink Weight grams End of Drinking Bout Criterion 0 1 grams 120 seconds Session Time minutes Default 480 Au FP WNE CO icks Ticks ta Variables Here tal Liquid Drank grams tal Food Eaten grams arting Food Total Starting Weight grams arting Liquid Total Starting Weight grams Data Total Number of Meals Total Food Consumed in Meals Length of Meal ms Food Consumed During Meal i grams grams Drinking Bout Data Total Number of Drinking Bouts Total Liquid Consumed in Drinking Bouts Length of Drinking Bout ms Liquid Consumed During Drinking Bout o grams grams eal Data Number of Partial Meals Total Food Consumed in Partial Meals Length of Partial Meal ms Food Consumed During Partial Meal
10. N 1 0 D D 0 H X gt S2 NoDrink ADD Q 0 SET Q L T Q L 1 O Q Lt2 987 987 SET L L 2 Q 1 Q 1 0 D D 0 H X gt S2 Z End X Weigh MG BOX SET O H X IF O gt A MinDrink Drink NoDrink Drink ADD N 0 SET N J T N J 1 O N J 2 987 987 SET J J 2 N 1 N 1 0 D D 0 H X gt S4 NoDrink ADD Q 0 SET Q L T Q L 1 O Q L 2 987 987 SET L L 2 Q 1 Q 1 0 D D 0 H X gt S4 S4 Tre s gt SX KK KK KK DRINKING BOUT TIMER KK KK KK SS Oy S1 Z StartDrinking SET T 0 001 gt S2 S23 0 001 SET T T 0 001 gt 2 Z StopDrinking Z End gt S1 KK KK KK UPDATE DISPLAY KK KK S S 6 Update Display Sl START gt S2 S2 1 SHOW 2 Total of Meals M 0 3 Total Food Eaten in Meals M 1 SHOW 4 Total of Partial Meals P 0 5 Total Food Eaten in Partial Meals P 1 SHOW 7 Total of Drinking Bouts N 0 8 Total Liquid Taken in Drinking Bouts N 1 SHOW 9 Total of Partial Drinking Bouts Q 0 10 Total Liquid Taken in Partial Drinking Bouts Q 1 gt S2 KK KK KK TIME SESSION KK KK KK SeSi dy S1 START gt S2 S2 1 ADD R SHOW 1 Session Time min R 60 24 DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc ESING LIQUID INTAKE MONITOR IF R 60 gt A Session End Continue End OFF HouseLight Z End gt S3 Continue
11. is and records how much food and or liquid is taken during the session The Minimum Meal Weight parameter is used to determine if the eating bout is a Partial Meal or a Complete Meal The End of Meal Criterion is used to determine when a meal has ended The default value is two minutes This means that two minutes must pass with no Head Entry into the Food Hopper before the meal is considered over It is not used to determine if the meal was a Partial Meal or a Complete Meal The Minimum Drink Weight parameter is used to determine if the drinking session is a Partial Drinking Bout or a Complete Drinking Bout The End of Drinking Bout Criterion is used to determine when a drinking session has ended The default value is two minutes This means that two minutes must pass with no Head Entry into the Liquid Hopper before the drinking session is considered over It is not used to determine if the drinking session was a Partial Drinking Bout or a Complete Drinking Bout The Session Time is how long the program will run Program expects a Resolution of Ims Compare the configurations below with the wiring chart supplied with all system orders Edit input and output numbers if they are different for the system or contact MED Associates for assistance Standard Input Configuration Liquid Head Entry 1 Level Mode Food Head Entry 2 Level Mode Standard Output Configuration House Light 7 Sample Program Copyright
12. Partial Drinking Bout or a Complete Drinking Bout The Session Time is how long the program will run Program expects a Resolution of 1ms Inputs HeadEntry 1 Level Mode Outputs HouseLight 7 16 DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc ee TE FATTY TRISEAIE RAGA YCIATES INC IQUID INTA MONITC A Control Variables with Assigned Aliases as Defined Var Alias Minimum Drink Weight grams A 0 Default 0 1 grams Var Alias End of Drinking Bout Criterion seconds A 1 Default 120 seconds Var Alias Session Time minutes A 2 Default 480 minutes MinDrink EndDrink Session EndDrinkTicks WNR List Data Variables Here E Liquid Drank Total grams F Starting Liquid Total Starting Weight grams Drinking Bout Data 0 Total Number of Drinking Bouts 1 Total Liquid Drank in Drinking Bouts grams I Length of Drinking Bout ms I 1 Liquid Drank During Drinking Bout grams P Partial Drinking Bout Data P 0 Total Number of Partial Drinking Bouts P 1 Total Liquid Drank in Partial Drinking Bouts grams P dJ Length of Partial Drinking Bout ms P d 1 Liquid Drank During Partial Drinking Bout grams a W Ending Liquid Total Ending Weight grams List Working Variables Here B Liquid Drank this Bout grams C Current Liquid Available grams I
13. ae MEO associates inc instrumentation and software for research LIQUID INTAKE MONITOR ENV 251 amp ENV 252 LIM USER S MANUAL DOC 058 Rev 2 1 Copyright 2012 All Rights Reserved Med Associates Inc P O Box 319 St Albans Vermont 05478 Phone 802 527 2343 Fax 802 527 5095 www med associates com LIQUID INTAKE MONITOR LIQUID INTAKE MONITOR Table of Contents Chapter 1 Introduction ieiwisvctessssussunctasencveseunseneiatecenodiivdevoualeasusdvaweccaasteuds 1 Chapter 2 System ASSEMDIY icsssnisccdcccciiay sacescdsccscctavunssaacdedassdascenvvaccccccseds 2 DIG 745 Switch Setting srcosrcyydsaulsesd teas sudes eds poaceees ia has oistencdeas dodsduds duuctaaevsbeaekes 3 Cable Connections 25 4 4c cutee aise alee E 4 Water Bottle Set Up Procedure cccccccccsssssssseeecccceeesseeaaeeseeeeeeeeeseessaaegees 6 Chapter 3 Weighing System Tare and Calibrate Utility ccceseee 10 Help SEE OI oaeen A E Eat 11 Calibrating the Channels ccccccccccccccccseesesseeeeccceeeseeeaeeeeeeeceeeeesseaagees 11 Chapter 4 Sample MED PC Programs ssssseccsssssseeccccsssseececcesseeeees 15 Liquid Weighing System mMpC ccccccssessseeeecccceeeceseeeesseeeeeecceeeesseaaeeseeeeess 15 Liquid amp Food Weighing SyStEM MPC ccccccccccsssssseeeeeecceeeesseeaaaeeeeeees 19 Appendix A Driver and Software Installation sssscccsssssseeeeeeees 25 Appendix B Contact Inform
14. ansducer Interface Package consists of a DIG 744 PCI Analog to Digital Converter card which may be installed in the same computer with a MED PC interface card an SG 244 cable that connects this card to the transducer interface module anda DIG 745 16 Channel Transducer Interface Module This interface module may be installed in the interface cabinet space permitting or in a separate SG 6080C Table Top Cabinet Each individual 16 transducer channel has a tare control used to zero the transducers The DIG 745 ADC interface card supplies the amplifier with power and tare control signal Figure 1 1 DIG 745ADC Package 16 CHANNEL ADC AND TRANSDUCER INTERFACE 1 3 e 16 DIG 745 DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc LIQUID INTAKE MONITOR CHAPTER 2 SYSTEM ASSEMBLY Carefully open each shipping box and remove the packing material to expose the Weighing Systems Identify and label each weighing system as 1 2 etc as it is unpacked and identify the water bottle platform see Figure 2 1 NOTE The water bottle platform is attached to the weighing sensor and must be handled with extreme care to avoid damage to the sensor Care must be taken to avoid damage to the sensitive load cell sensor assemblies when moving chambers or moving the individual modular panels containing the Liquid Weighing assemblies herein referred to as assemblies Place each chamber on a sturdy surface away from any ex
15. ant MAX to search for new devices only when you refresh the configuration tree and you have not pressed F5 or chosen View Refresh If you want MAX to search for new devices every time you launch MAX select Tools User Preferences and choose Every time launch MAX 12 DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc LIQUID INTAKE MONITOR 4 Expand the Devices and Interfaces folder to view the PCI 6023E Device 1 interface card The screen shown in Figure 3 4 will appear Figure 3 4 Devices and Interfaces PCI 6023E Device 1 Measurement amp Automation Explorer 3 oj x File Edit view Tools Help Ef Properties alDelete A Test Panel F PCI 6023E Device 1 owd al Attribute Value Device Number 1 Bserial Number Data Neighborhood B Devices and Interfaces ff BPCI 6023E De H E Scales faq Software 1c a Remote Systems DAQ Device Basics What do you want to do Run the DAQ Test Panels Remove the device s View or change device properties 5 Select the Properties button from the top tool bar and then select the Al tab Within the Al tab select from the Mode menu Referenced Single Ended for initial setup only Click OK to exit 6 Click the Test Panel button from the top tool bar The screen shown in Figure 3 5 will appear Figure 3 5 Test Panel NATIONAL Device Name Device Number INSTRUMENTS
16. ation ssssccccssssssceccssssssceccsnsssscessanes 26 LIQUID INTAKE MONITOR CHAPTER 1 INTRODUCTION Please read this manual carefully prior to unpacking the Liquid Intake Monitoring System This documentation contains important information regarding the set up and operation of the Weighing System Refer to the Appendix at the end of this manual for instructions on driver and software installation Follow the instructions in the Appendix before proceeding through the remainder of this manual The ENV 251 LIM stationary and ENV 252 LIM retractable Liquid Weighing Systems are housed on a standard modular panel containing liquid bottles Lixit valve sippers and precision sensors with electronics to measure the weight of the bottles and liquid The sensor output is amplified and signal conditioned for a O to 10 volt output range which can be input to an A D converter chart recorder etc for monitoring the weight of the liquid The ENV 252 LIM differs from the ENV 251 LIM only that the Lixit valve sipper and water bottle rest on a retractable surface to remove the opportunity for the subject to drink The 0 to 10V full scale sensor output is accurate to 1 10 of a gram and is input to one of 16 channels of the DIG 745ADC 16 Channel PCI and Transducer Interface Package A photo sensor head entry detector is provided to indicate when the animal has placed its head in the cup and may be drinking The DIG 745ADC 16 Channel PCI and Tr
17. d ISSOCIA ES ING Install Wizard Complete Click Finish to exit the wizard Weighing System of NI DAQ Driver Finish The Install Wizard has successfully installed Weighing System APPENDIX B CONTACT INFORMATION Please contact MED Associates Inc for information regarding any of our products Visit our website at www med associates com for contact information For technical questions email support med associates com 27 DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc
18. g Bouts P 1 gt S2 S27 1 SHOW 2 Total of Drinking Bouts M 0 SHOW 3 Total Liquid Drank in Drinking Bouts M 1 SHOW 4 Total of Partial Drinking Bouts P 0 SHOW 5 Total Liquid Drank in Partial Drinking Bouts P 1 gt S2 A KK OK TIME SESSION RR RK KK KK S S 5 Time Session Sly START gt S2 S2 1 ADD T SHOW 1 Session Time min T IF T gt A Session End Continue End OFF HouseLight Z End gt S3 Continue gt S2 3 Allow time for screen update before closing the session and saving data 5 gt STOPABORTFLUSH NA A A AE A E A E AE AE AE E A AA A A KKK k k UPDATE WEIGHT HR E A AE E A A E AE E A K E E A k A E K A K KK KK KK k k S S 6 Get the Starting Weight Update the Starting Weight every 1 minute when the Animal is not drinking This removes liquid that is lost for reasons other than the Animal drinking Si 0 01 C Weigh MG BOX gt S2 S2 R HeadEntry gt S3 C Weigh MG BOX gt S2 Z End gt 54 S37 R HeadEntry gt S3 A EndDrinkTicks T gt S2 Z End gt S4 S4 Me SSS SX 19 DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc Liquid amp Food Weighing System mpc After the program starts it looks for a Head Entry into the Food and or Liquid Hopper When a Head Entry is detected the program times how long the meal and or drinking session
19. h MG BOX SHOW 6 Starting Liquid Weight F ON HouseLight gt S2 S27 R HeadEntry Z StartDrinking gt S3 Z End W Weigh MG BOX gt S4 3 R HeadEntry gt S3 A EndDrinkTicks T W Weigh MG BOX SET B C W Z StopDrinking IF B gt A MinDrink Drink NoDrink Drink ADD M 0 SET M I S M I 1 B I 2 987 987 SET I I 2 M 1 M 1 B E E B C W gt 2 NoDrink ADD P 0 SET P J S P J 1 B P J 2 987 987 SET J J 2 P 1 P 1 B E E t B C W gt S2 Z End W Weigh MG BOX SET B C W IF B gt A MinDrink Drink NoDrink Drink ADD M 0 SET I S M I 1 B I 2 987 987 SET I 1 2 M 1 M 1 B E E B C W gt S4 NoDrink ADD P 0 SET P J S P J 1 B P J 2 987 987 SET J J 2 P 1 P 1 B E E B C W gt S4 S4 TT See TEX KK OK DRINKING BOUT TIMER RK KK KK KK DAO Sig Z StartDrinking SET S 0 001 gt S2 S2 0 001 SET S S 0 001 gt S2 Z StopDrinking Z2 End gt S1 KK KK KK 18 DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc MED ASSOCIATES INC LIQUID INTAKE MONITOR UPDATE DISPLAY KK KK KK S S 4 Update Display S1 START SHOW 2 Total of Drinking Bouts M 0 SHOW 3 Total Liquid Drank in Drinking Bouts M 1 SHOW 4 Total of Partial Drinking Bouts P 0 SHOW 5 Total Liquid Drank in Partial Drinkin
20. must be changed accordingly Figure 2 2 DIG 745 Channel 1 Switch Epa Ee Der m EE g a Liquid Je Food ee a Figure 2 3 Default DIG 745 Connections 16 CHANNEL ADC AND TRANSDUCER N Liquid Intake Monitors Food Intake Monitors DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc LIQUID INTAKE MONITOR Cable Connections When making cable connections first identify each type of cable and then make the connections Use care when connecting the cables to the mating connectors since most connectors are keyed Alignment of the cables to the connectors is important to avoid damage to connectors and connector pins Amplifier Cabling Once all of the liquid intake monitor assemblies are placed in the chambers and the interface cabinet is situated begin by connecting each channel of the DIG 745 card to a liquid intake monitor using the supplied 8 pin modular cables Insert one end of the cable into the appropriate channel connector until a snap or click is heard The cable should be locked in place into the connector Be sure to connect the liquid intake monitors into Channels 1 8 if the DIG 745 switches are in the default positions Refer to Figure 2 3 Connect the other end of the modular cable to a liquid intake monitor amplifier Again the cable connector is keyed and a click will be heard as the cable locks in place To release the cable from the connector gently press down on
21. n will display detailed information about each function of the software Figure 3 2 Help Screen About Weighing System Utility x Weight Display Liquid or Food Special Food About Reset Tare t Cal MED Associates Inc Weighing System Utility Version 1 1 Copyright 2003 2006 All Rights Reserved Calibrating the Channels Attach the empty water bottle and stopper to the Liquid weighing system as shown in 1 Figure 2 12 2 Click the Tare buttons associated with each channel being used After taring the displays of all the channels that have devices connected to them should read 0 0 If they do not read zero double click on the display for that channel That will cause the Reset button to change back to Tare so that the channel may be tared again 3 Minimize the Weighing System Tare and Calibrate Utility and run the National Instruments Measurement and Automation Explorer Software Figure 3 3 Figure 3 3 Measurement and Automation Explorer mx File Edit Yiew Tools Help Configuration z E My System i Pale fiaiod Devices and Interfaces Gil Devices and Interfaces PCI 6023E Device 1 GA Scales F What is Devices and Interfaces ff Software d E 9g Remote Systems The Devices and Interfaces category lists installed and detected DAQ GPIB IMAQ IVI Motion VISA and VXI hardware If you do not see your devices Your user preferences specify that you w
22. set 5 Reset 6 Reset 7 Reset 8 Reset 9 Reset 10 Reset 11 Reset 12 Reset 13 Reset 14 Reset 15 Reset 16 Exit 10 DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc LIQUID INTAKE MONITOR Each channel has it s own display and Reset Tare button Click the Reset button for each of the channels being used This will turn the displays from red to white If any of the displays remain red an error has occurred in that particular channel s reading of the digital Tare potentiometers An error can occur if the channel is not connected to a device or if the interface cabinet is not turned on before the Weighing System Tare and Calibration Utility was started If the channel on which the error occurred is not being used for the experiment the error can be ignored If the channel is in use and was not connected connect the device to the interface and click on the corresponding Reset button If the interface cabinet was not turned on when the utility was started exit the program Restart the program after power has been applied to the interface cabinet Before beginning the calibration procedure be sure to select the correct system in the Weighing System area of the screen shown in Figure 3 1 11 DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc LIQUID INTAKE MONITOR Help Screen Clicking on Help will cause the screen shown in Figure 3 2 to appear Clicking on any of the tabs on this scree
23. t 0 1 g End of Meal Criterion 120 s inimum Drink Weight 0 1 g N End of Drinking Bout Criterion 120 s Session Time 480 min KK KK KK Sais Ly Sly 0 01 SET A MinMeal 0 1 A EndMeal 120 A MinDrink 0 1 SET A EndDrink 120 A Session 480 SET I 2 J 2 K 27 oe SET M I 987 987 N J 987 987 SET P K 987 987 Q L 987 987 gt S2 S2 START CLEAR 1 60 ON HouseLight SET A EndMealTicks A EndMeal AS AGUS SET A EndDrinkTicks A EndDrink 1 gt S3 99 DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc AKE MONITOR ATES INT a dT RITA TES IQUID INTAKE 0 01 SHOW 2 Minimum Meal Weight grams A MinMeal 3 End of Meal Criterion sec A EndMeal SHOW 4 Minimum Drink Weight grams A MinDrink 5 End of Drinking Bout Criterion sec A EndDrink SHOW 6 Session Time min A Session gt SX S3 1 SET A EndMealTicks A EndMeal bed bauer SET A EndDrinkTicks A EndDrink 1 gt SX KK KK RECORD MEALS KK OK SieSn25 S1 START F Weigh MG BOX 8 SHOW 11 Starting Food Weight F gt S2 SZ R FoodHeadEntry Z StartMeal gt S3 Z End W Weigh MG BOX 8 gt S4 3 R FoodHeadEntry gt S3 A EndMealTicks T W Weigh MG BOX 8 SET B C W Z StopMeal IF B gt A MinMeal
24. t box 200 grams This will be the new full scale weight Click the CAL button The Current Value box should now contain the calibration weight value When the calibration weight is removed the Current Value should go down to 0 0 grams If the Current Value does not show 0 0 grams re tare the appropriate channels to 0 0 grams Once again place the calibration weights back onto the bottles and with a reading equal to the calibration weight value click the Reset buttons Now when the weights are removed the display should read 0 0 grams The system has been calibrated for 200 grams of liquid in the bottle Do not overfill the liquid bottles Fill and install the bottle as outlined in the Water Bottle Set Up Procedure The calibration information for all channels will be saved when the software is exited 15 DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc CHAPTER 4 SAMPLE MED PC PROGRAMS Liquid Weighing System mpc After the sample program shown below starts it looks for a Head Entry into the Liquid Hopper When a Head Entry is detected the program times the duration of the drinking session and records how much liquid was consumed during the session The Minimum Drink Weight parameter is used to determine if the drinking session is a Partial Drinking Bout or a Complete Drinking Bout The End of Drinking Bout Criterion is used to determine when a drinking session has ended The default value is two minutes This means that
25. ternal sources of vibration Use caution when routing cables from the assemblies to the interface cabinet to avoid tangling the cables NOTE Use care when placing or removing the water bottle onto the weighing platform Never use excessive force when seating or removing the bottle If downward pressure must be applied to the bottle platform support the platform from underneath while using the other hand to place the bottle Excessive force or weight on the weighing platform will cause damage Figure 2 1 Water Bottle Sensor Platform ENV 251 LIM shown Water Bottle Sensor Platform DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc LIQUID INTAKE MONITOR DIG 745 Switch Setting The DIG 745 has 16 channels that are used to interface both food and liquid intake monitors and 16 switches that correspond to each channel The default positions for the switches are as follows switches 1 8 are set to Liquid and switches 9 16 are set to Food This means that if more than eight of either the food or liquid intake devices are going to be connected to the DIG 745 the switch settings will need to be changed accordingly The switches can be accessed by removing the DIG 745 from the interface cabinet The default switch settings require the connections shown in Figure 2 3 It is also important to note that if the default switch settings are changed and the system is being used in conjunction with MED PC the MedState Notation
26. the tab of the modular cable and remove as shown in Figure 2 4 NOTE The interface cable MUST be connected to the weighing system amplifier in order for the head entry detector to function Figure 2 4 Amplifier Cable Connection DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc LIQUID INTAKE MONITOR National Instruments Cabling Connect one end of the SG 244 cable to the ADC connector on the DIG 745 card connector and the other end to the DIG 744 card in the computer Use care when aligning and inserting this cable into the connectors as a misalignment of the connector could cause the pins to fold over and bend Secure the cable to the connector by tightening the jackscrews located on both sides of the cable connector Smart Control Connection Panel Cabling Refer to the manual Wiring the Operant Test Chamber Package and the supplied wiring chart for instructions on how to wire the Operant Chamber and Interface Cabinet DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc LIQUID INTAKE MONITOR Water Bottle Set Up Procedure 1 Ensure that the vent screw is closed turned all the way into the bottle prior to filling See Figure 2 5 Figure 2 5 Water Bottle Vent Screw VENT SCREW 2 Fill the bottle to where it begins to narrow to avoid filling with more than 200 grams of water See Figure 2 6 Figure 2 6 Water Bottle Fill Line FILL LINE DOC 058 Rev 2 1 Copyright 2012 MED Associates
27. ts into the circular cutout on the upper surface of the platform Check the alignment of the Lixit valve with the opening in the receptacle on the chamber wall See Figure 2 11 Figure 2 11 Proper Valve Alignment Ensure that the Lixit valve is not touching the walls of the opening and the cables from the control box are not touching the bottle or platform assembly If the valve is touching the walls or the cables are touching the bottle or the platform assembly they will produce a force on the load cell and adversely affect the test Adjust the water bottle and cables as needed The completed assembly ENV 251 LIM is shown in Figure 2 12 NOTE For ENV 252 LIM the assembly should move freely back a forth so that the Lixit valve can be retracted and made unavailable during the experimental session DOC 058 Rev 2 1 Copyright 2012 MED Associates Inc LIQUID INTAKE MONITOR Figure 2 12 Completed Assembly ENV 251 shown CHAPTER 3 WEIGHING SYSTEM TARE AND CALIBRATE UTILITY To run the Weighing System Tare and Calibrate Utility open the Weighing System application The screen shown in Figure 3 1 will appear Figure 3 1 Weighing System Tare and Calibration Utility Weighing System Tare and Calibrate Utility x Help Exit Calibration Weight Weighing System 100 grams e pan c pe Channel 4 Display 0 0 0 0 0 0 and Reset Tare Button Tare 1 Tare 2 Reset 3 Re
28. two minutes must pass with no Head Entry into the Liquid Hopper before the drinking session is considered over However this value is not used to determine if the drinking session was a Partial Drinking Bout or a Complete Drinking Bout The Session Time is how long the program will run The sample program expects a Resolution of ims Compare the configurations below to the wiring chart supplied with the system Edit the input and output numbers in the program if they differ from the actual setup of the system Standard Input Configuration HeadEntry 1 Level Mode Standard Output Configuration HouseLight 7 Sample Program Copyright C 2008 MED Associates All rights reserved Liquid Weighing System mpc After the program starts it looks for a Head Entry into the Liquid Hopper When a Head Entry is detected the program times how long the Drinking Session is and records how much liquid was drank during the Drinking Session The Minimum Drink Weight parameter is used to determine if the Drinking Session is a Partial Drinking Bout or a Complete Drinking Bout The End of Drinking Bout Criterion is used to determine when a Drinking Session has ended The default value is two minutes This means that two minutes must pass with no Head Entry into the Liquid Hopper before the Drinking Session is considered over It is not used to determine if th Drinking Session was a
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