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AfiMilk MPC

Installation Manual

Chapter

Mounting Components

Vacuum Shut-off Valves

Vacuum shut-off valves and removal pistons are the basic components
supporting automatic stoppage of milking.

In principle, large variety of vacuum shut off valves, available for local
sourcing, may be used for shutting vacuum off at removal. Alternatively,

afimilk

offers a range of valves for specific usage in conjunction with

Afimilk MPC

milk meters. For the list of available vacuum valve options,

refer to the accessories chapter.

If one of

afimilk

valves is used, additional bracket for mounting the valve

at its proper place near the milk meter is available. The figure below
illustrates the mounting options of

afimilk

type valves.

Figure 9: Left Mounted Shut-off Valve

Figure 10: Right Mounted Shut-off

Valve

Summary of Contents for MPC 3

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Page 4: ...mputer database via Afimilk MPC control box Afimilk MPC can be used in the most common parlor types and brands and control common milking point aparatus such as vacuum valves pulsators removal etc Int...

Page 5: ...y be revised to incorporate changes and improvements Every effort is made to ensure that the information is complete and accurate at the time of publication Nevertheless AfiMilk cannot be held respons...

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Page 9: ...gh Protection Cutout in cabinets 25 Plugging the main cable at the Control Box 28 Mounting the Milk Meter Body 29 Milk Meter Body Mounting Bracket 29 Vacuum and Clean air Lines 30 Installing Vacuum Ai...

Page 10: ...ilking Functions 54 Automatic Cluster Removal ACR 54 ACR Activation 54 ACR Parameters 55 Vacuum valve Milk Sweep 58 Milk Sweep Parameters 58 Pulsation Control 59 Pulsator Installation 59 Pulsation Par...

Page 11: ...H Parameter Value 76 Adjusting the values of G H via communication 77 Regulatory meter tests and Calibration 78 Collecting the Milk into a Milk Bucket 78 Statistical Accuracy Calculation 79 Milker Ass...

Page 12: ...trip 93 Milk Diversion 94 Hardware and Electronic Configuration 94 Assigning Milk Diversion command to cows 94 AfiMilk MPC Extender 95 MPC Extender Connections Diagram 96 Setting up MPC Extender 97 Cl...

Page 13: ...rated Valve 107 Normally Open Vacuum Operated Valve 107 Ordering Info 108 Valve Accessories 108 The Fat Sampler 109 Mounting the Fat Sampler 109 Parts List 111 Loading Software into afimilk MPC 114 Wh...

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Page 15: ...ing under AfiFarm5 management software Its basic system requirements include o Software afimilk parlor control module as part of AfiFarm program version 5 00 or higher o Power System Afimilk MPC is po...

Page 16: ...ring connections Each Afimilk MPC milk meter body measuring chamber is wired to its control box All control boxes installed in the milking parlor are connected to the AfiControl PC The AfiFarm softwar...

Page 17: ...ctrical conductivity A cylindrical valve which also serves as overflow tube A silicon gasket o Lower Cover and Outlet Port Lower cover is the milk discharge mechanism of the milk meter Its outlet port...

Page 18: ...er a mid section and a lower cover Each section can be easily dismantled by releasing the retaining clasp The mid section is a measuring chamber with electrodes protruding from its side The electrodes...

Page 19: ...th an asterisk Afimilk MPC may be ordered with one of two inlet port diameter options according to the milk hose in use cluster size Ordering Afimilk MPC This chapter explains how to order a milk mete...

Page 20: ...n Manual 20 Afimilk MPC Connection Box A connection box for protecting cable connections is available at afimilk This component a highly recommended accessory for installation is ordered separately fr...

Page 21: ...Events within the Parlor Session Start Power Up Transfer AfiMilk MPC into Milking Mode Close Exit gates Open Entry gates Cows enters the parlor Auto Cow ID Manual ID Cow data sent to control box Aler...

Page 22: ...Chapter 3 Operation Sequence AfiMilk MPC Installation Manual 22 Milking Sequence at Afimilk MPC...

Page 23: ...ess to its keypad for regular operation o At a protected location with minimum exposure to cows manure and water There are two common mounting options depending on the metal work design of the milking...

Page 24: ...MPC C B Bracket P N 5001731 secured to a mounting bracket that is welded to a stanchion Afimilk MPC C B bracket is supplied with every milk meter An Afimilk MPC bracket secured to a flat surface The A...

Page 25: ...ing cutouts shaped per the face of Afimilk MPC control unit in the front of the cabinet at every milking point Securing the control unit to the cabinet is achieved by means of U shape bracket fastened...

Page 26: ...Chapter 4 Mounting Components AfiMilk MPC Installation Manual 26 Figure 3 Shape of High Protection Cutout in Cabinet Front Panel Figure 4 Example of a Cabinet Panel...

Page 27: ...Mounting Components Chapter 4 AfiMilk MPC Installation Manual 27 Figure 5 Afimilk MPC cabinet mounting technique Figure 6 An Optional Bracket Mounting...

Page 28: ...control box 4 Tighten the screws to secure the control cable to the control box When secured properly the connection is resistant to water spray a Ensure inserting the connector all the way in its rec...

Page 29: ...line allowing gravity to control milk evacuation o At a level position o Protected from cow legs for avoiding coincidental damaging contact o In a position not interfering with parlor operators work...

Page 30: ...refore a continuous supply of stable clean and dry vacuum is required Solenoids incorporate atmospheric air exhaust Clean air lines are used to protect solenoid air suction exhaust inlets from dirt th...

Page 31: ...Figure 8 Layout of Vacuum and Clean air Lines For Milk Meter Solenoids...

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Page 33: ...th slopes Secure the solenoid vacuum line with a downward slope of 1 5 2 towards the drain valve detail B in following drawing Secure the clean air line with a downward slope of 1 5 2 towards the ball...

Page 34: ...ng point location drill in two tube joints one at each line for connecting milk meter solenoid o Each Afimilk MPC is provided with two quick connectors Follow the instructions provided with the meter...

Page 35: ...enoid ports to their corresponding Vacuum Air line using the supplied flexible tube Tube length should be as short and straight as possible without unnecessary bends Washing the Vacuum Line After line...

Page 36: ...shutting vacuum off at removal Alternatively afimilk offers a range of valves for specific usage in conjunction with Afimilk MPC milk meters For the list of available vacuum valve options refer to the...

Page 37: ...per milking point Calculate transformer size accordingly o Power system must employ an isolating type transformer Neither the secondary winding of the transformer nor any of the loads may be connecte...

Page 38: ...m and large size parlors afimilk recommends installing separate power assemblies transformers and main 24Vac wiring for each side of the milking parlor for these reasons o If one transformer is not fu...

Page 39: ...ed parallel to all other devices Power cable Transformer Power cable braid wired to each side batch of milk meters according to the size of cable and power consumption Afimilk MPC body cables MM body...

Page 40: ...tor It also provides a drain wire that allows easier connection of the shield The twisted pair of wires transmits and receives the communication signals The single conductor runs the communication gro...

Page 41: ...Afimilk MPC communication cable is connected to Port 6 or Port 8 of the AfiCom1 Card in the Control PC under afimilk versions 3 4 With AfiFarm 5 the communication is wired via the AfiCom USB adapter F...

Page 42: ...se the protection unit to buffer between the communication line and the Adapter MPC RS485 Blue White wire to Adapter connector Red wire MPC RS485 Red White wire to Adapter connector Green wire Optiona...

Page 43: ...onnecting Power Cables and Filter A Power line filter is supplied with every milk meter The filter protects Afimilk MPC from surges on the main power line Power filters are installed at the connection...

Page 44: ...trated in this table Inserting Cables into the Connection Box Proper use of connection box cable inlets ensures keeping the connection box waterproof o Use the appropriate cable inlet in accordance wi...

Page 45: ...e to the appropriate terminal blocks as described below 11 Pull excessive slack of cable back through the inlet 12 When all the wiring of the cables inserted through the grommet is done tighten the nu...

Page 46: ...ation Manual 46 Chapter 6 Laying Cables and Connecting Wires Additional functions described later in this manual backflush strip and milk diversion can be installed via an additional MPC Extender unit...

Page 47: ...ommon Solenoids DC Common VBR Blue per Cable Gray Pink Vacuum Valve DC Vacuum Valve Brown per Cable Red Power Supply 24Vac 0 Blue per Cable Green Power Supply 24Vac Phase Brown per Cable Pink Body Sol...

Page 48: ...includes extension tails for supplying power to each milking point Tail length is 50 cm Three variations distances between stalls are available o PN 5200000 40 40cm 15 75 between stalls Rotary Parlors...

Page 49: ...p sequence description 2 Loading default parameter values 3 Setting milking point ID numbers 4 Milk Meter Calibrating procedures 5 Setting parameters of milking functions Most parameters may be set vi...

Page 50: ...his mode the milk valve opens and closes regardless of the amount of liquid in the milk meter body 3 Once in Cleaning mode temperature reading such as 24c 24 C appears This is the wash temperature det...

Page 51: ...l parameters with new values preserving existing calibration values as well as stall ID number Use this procedure if parameter load at operating parlor is needed Parameters Load Procedure For loading...

Page 52: ...ach meter should correspond with the milking point number In batch type parlors Herringbone Parallel Swing made of two parlor sides the left side should carry the lower stall numbers and the right sid...

Page 53: ...conds Enter the Afimilk MPC identification number as follows 1 Ensure cleaning working mode illuminated cleaning key indicator 2 Press number key four times then press Cow key 3 Stall ID number is dis...

Page 54: ...ed devices Additional functions may be controlled via an additional MPC Extender unit This chapter describes the most common configuration for controlling the following apparatus o Automatic Cluster R...

Page 55: ...he minimum time the cluster is attached The value set for is a multiplication of 10sec therefore if a value of 12 is set pre milk time of 120 seconds two minutes is the minimum time of milking Removal...

Page 56: ...piston Quick Cluster Removal Quick removal is an option for early removal of the cluster for cows with low yield This feature prevents over milking of cows at the beginning of lactation when their pr...

Page 57: ...arameter is automatically adjusted according to pre set conditions in the table below If Time to first Removal T Then 2 nd Attachment Pre milk Time T F1 0 5 half the value of F1 F1 F1 T F1 0 5 half th...

Page 58: ...er at the same milking machine This feature if enabled allows sweeping milk residues Milk sweep opens the vacuum valve for a short time sucking atmospheric air through the cluster now hanged at the st...

Page 59: ...of pulses per minute o Pulsation Ratio the ratio between vacuum to atmospheric pressure in the liner at the milking cup in each pulsation cycle o FCP Flow controlled pulsation This option enables an...

Page 60: ...corresponding with pulsation rate and ratio Example Curve1 pulsation at flow rate between 2 0 2 5kg minute will be 58ppm at 63 37 ratio PPM Ratio Curve 1 Curve 2 Curve 3 Curve 4 60 60 40 0 2 0 0 2 5 0...

Page 61: ...aning mode parameters allows adjustments in fill empty cycle ratio thus increasing filling time available for milk meters There are two parameters related to cleaning mode o Filling Time CL The time m...

Page 62: ...y in standalone setup where afimilk is not available Refer to the chapter Setting up parameters via the control box for further instructions regarding this option Afimilk MPC and AfiMilk Configuration...

Page 63: ...lation Manual 63 First Time Operation Chapter 7 Setting Parameters via the afimilk Computer To set milk meter parameters via AfiControl computer enter Parameters Tools Parlor The Parameters window ope...

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Page 65: ...rganized by groups Each group is accessed by typing its number o Group 1 Cow parameters Specific milking parameters o Group 2 System Parameters general parameters o Group 3 Production Parameters o Gro...

Page 66: ...bles specify parameters in each group and their shortcut access numbers Group 1 Cow parameters Shortcut Number Symbol Parameter Range Units Parameter Type 1 F1 1 50 Sec X 10 Minimal Milking T for Firs...

Page 67: ...Weight Unit 5 tU C F Temperature Unit 6 U1 0 15 Seconds Backflush Water time 7 A1 0 15 Seconds Backflush Air time 8 SM 0 99 Minutes Sleep Mode Delay Group 3 Production parameters Shortcut Number Symbo...

Page 68: ...r Range Units Parameter Type 1 G 30 99 Air admission Adjustment Default value 49 2 H 25 99 High Flow Rate Compensation Default value 40 3 P 1 21 1 31 Operation Ratio 4 oH 17 33 Offset Hold 5 oA 17 34...

Page 69: ...bes of the meter Although electrodes are calibrated at the factory cable and connection resistance may affect their accuracy Electrodes calibration compensates for resistance of the lines and therefor...

Page 70: ...ng middle electrodes 3 Ensure that the meter is in wash mode illuminated cleaning key indicator 4 Press and to access electrode calibration mode AdJt appears on the display panel 5 Press H is displaye...

Page 71: ...echnician may check calibration value at the display 1 Ensure that Afimilk MPC is in wash mode wash LED illuminated 2 Type 2580 and press to access programming mode 3 Press Group access number 4 to en...

Page 72: ...placing rubber liners as well as rubber gaskets and cracked usually plastic transparent parts of used milking clusters 2 Ensure an open air orifice in each cluster 3 Check the vacuum lines Clean and d...

Page 73: ...the milk and pulsation hoses from the cluster as illustrated in Figure 12 below 2 Insert four plugs into the four milking cups 3 Clean the air orifice in the cluster 4 Connect the air gauge as illustr...

Page 74: ...Liters per minute G value for calibration H value for calibration 6 7 40 30 7 8 46 37 8 10 49 default 40 11 13 55 46 14 17 60 50 18 20 65 55 To adjust G H parameters follow this procedure o Ensure tha...

Page 75: ...stment As illustrated in the chart here initial calibration is performed by adjusting the value of G parameter If accuracy is not achieved by correcting the value of G corrections to the value of H is...

Page 76: ...explained above for Air Admission Compensation for accessing and changing the value of G parameter Adjusting the H Parameter Value Change the value of H parameter per calculated average deviation If t...

Page 77: ...lashes indicating that editing is enabled o Type the desired value o Press to confirm o Press twice to exit editing mode Adjusting the values of G H via communication The easiest way to adjust G H par...

Page 78: ...Collecting the Milk into a Milk Bucket Per international regulations the following rules are adopted for scaling o Multiple attachments measurements are not included in the statistics o Only milking...

Page 79: ...ment for calculating the difference as a percentage value between the reading of the milk meter and the actual milk weighed The following formula is used for calculating difference between the milk me...

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Page 81: ...Afimilk MPC is kept ON all the time o Security level Start button lock High level security codes for preventing milk contamination by colostrum Antibiotic etc o Security level of unidentified cows Th...

Page 82: ...of milking External start functionality is activating milking start and de activating milking stop if in milking process External start may be deactivated for cows with specific codes defined as secur...

Page 83: ...on hours for the liners should be entered To activate the liners counter feature via afimilk MPC Keyboard 1 Verify that the afimilk MPC is in Wash mode see 0 2 In the afimilk MPC keyboard type2580 and...

Page 84: ...ime for replacement has expired In such situation the display shows a minus sign near the hours indicating the hours elapsed from expected liner replacement Resetting Liner Replacement Timer When line...

Page 85: ...parameter is in parameters group 2 system parameters Refer to either one of the changing parameters chapters above From AfiFarm OR directly at the control box for exact setting instructions of SM Oper...

Page 86: ...omatically by a filter Once such code is built afifarm allows assigning either one of the milking options to that code Security levels are assigned to codes the same way Start key behavior code appear...

Page 87: ...d from the ACR pistons and placed on the Jetters Then from one display a wash command is sent to get all the meters into wash mode o Ready to wash Lowering the clusters without opening the vacuum This...

Page 88: ...ation This feature if enabled lowers clusters at the beginning of the load clearing the access to cows udders allowing the milker to lift them in batches to attachment position after cows udder was tr...

Page 89: ...farm program Activation Three parameters define automatic cluster removal at blood detection The three parameters are accessed via AfiControl s parameter programming utility To enable the option o Che...

Page 90: ...a code assigned with stimulation operator If all or most of the cows in milk get automatic pre milking stimulation the stimulation function should be set to begin automatically after the start button...

Page 91: ...nly legal removal will initiate backflush o Strip This function is popular in specific regions Strip is actually a mechanism that pulls the claw downwards at the last phase of milking to trigger highe...

Page 92: ...osed before retraction of the cluster and Sweep The sequence of events at the end of milking with backflush configured is illustrated below Figure 13 Backflush Timing Chart Water and air valves are op...

Page 93: ...parameter is 0 When configuring a backflush u1 must be assigned a value 1 10 seconds 0 15 A1 The air injection may be extended beyond the pre assigned 3 seconds A1 is assigned with the time added to t...

Page 94: ...g Milk Diversion command to cows Milk diversion is controlled by afimilk by assigning diversion command codes to specific cows It offers two options for diverting milk into a secondary line o Divertin...

Page 95: ...Control interface AfiMilk MPC Extender The extension unit of afimilk MPC is an additional device ordered separately from the milk meter The following unit is an encased electronic device incorporating...

Page 96: ...Chapter 8 Unique Setup Configurations MPC Extender Connections Diagram...

Page 97: ...der box to enable the option Open each of the Out port drop down lists to select the desired option Note that each out supports one of two pre defined features per the table below Example Out 3 functi...

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Page 99: ...throughout the cleaning cycle to avoid leakage of milk and cleaning solution through gaskets o During every stage of cleaning check that there is sufficient water to flood the interior chamber of the...

Page 100: ...e water is too hot milk fats may be baked onto the surfaces 2 Circulate the water in a closed circuit CIP with detergent Use a basic detergent additive pH 13 and hot water per detergent manufacturer i...

Page 101: ...ructions Entry water 70 C 158 F minimum Returning water 50 C 122 F minimum Circulate the solution for 10 12 minutes and drain 2 Rinse the system with cold water Cleaning Exterior Surfaces To clean ext...

Page 102: ...ne gaskets o Silicone valve gasket o Rubber diaphragm Maintaining clean Air Vacuum to Solenoids As explained above the importance of supplying dry clean vacuum and air to milk meter body solenoid is c...

Page 103: ...arm water 2 Disconnect the vacuum flexible tube from the milk meter body solenoid furthest from the drain valve on the upper end of the line 3 Briefly operate the vacuum pump Water will be pumped into...

Page 104: ...xed Output Message Device Correlated Out1 Removal Piston Solenoid Out2 AfiLite Valve Solenoid Out3 Vacuum Valve Solenoid Out4 Pulsator Front Out5 Pulsator Rear o Communication Fault This fault alert i...

Page 105: ...rt appears immediately as soon as the error is indicated This problem usually occurs due to a valve or another severe mechanical malfunction In such situations afimilk MPC stops measuring although pul...

Page 106: ...ain features o The valve body is made of a transparent polymer that allows you to see the flow of milk o The cover and control components are made of reinforced polypropylene for long term durability...

Page 107: ...vacuum in the milk line the valve is closed When the valve s control input is connected to a vacuum source it opens Normally Open Air Operated Valve When there is a vacuum in the milk line the valve...

Page 108: ...WO 5077105 VALVE N O 5 8 VACUUM OPERATED PACK OF TWO 5077106 VALVE N O 7 8 VACUUM OPERATED PACK OF TWO 5077107 VALVE 7 8 FEMALE INLET AIR OPERATED PACK OF TWO 5077108 VALVE N C 7 8 FEMALE INLET VACUUM...

Page 109: ...ng process The fat sampler complies with these regulations The fat sampler is made up of a sampling bottle and a sampler head Mounting the Fat Sampler The Fat Sampler is mounted below the Milk Meter b...

Page 110: ...Chapter 11 Systems Accessories AfiMilk MPC Installation Manual 110...

Page 111: ...efix Suffix Afimilk MPC Milk Meter 1 5 5 4498999 3 20 AC AE CE Afimilk MPC control box packaged With Cable 1 5 4497950 3 C Cable D type connector 1 5 4093455 See explanations above of optional cables...

Page 112: ...0 20 E AfiFlo body valve gasket 4 4098072 AfiFlo body milk valve 5 4098070 AfiFlo body lower cover 6 4098040 AfiFlo body valve diaphragm 7 4098071 AfiFlo body solenoid valve 8 5 5000178 20 E AfiFlo bo...

Page 113: ...AfiMilk MPC Installation Manual 113 Parts List Chapter 12...

Page 114: ...of milking session The procedure for updating software in a single unit is described in a chapter Replacing a faulty display in the user manual There are two methods for uploading a new embedded soft...

Page 115: ...ftware installation Checking Milk Meters Operation Mode The afimilk MPC software upgrade may be performed when the control unit is in Wash mode or in Removal mode i e not during actual milking of a co...

Page 116: ...de a side of a herringbone parallel parlor Send message and o To upgrade all of the meters in the parlor Send message and 3 The display on the meters being upgraded shows the following sequence o The...

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