sema MPC Series Manual
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sema MPC Series Manual

Milk pump controller
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Milk Pump Controller
V 2.10.0
MPC

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Summary of Contents for sema MPC Series

  • Page 1 Milk Pump Controller V 2.10.0...

  • Page 2: Sema Part Numbers & Contact Details

    All standard Sema Milk Pump Controllers including the MPC-XD can control a pump of up to 2.2Kw. The MPC3-4.0 can control a pump of up to 4.0kw Larger sizes of up to 7.5Kw can be manufactured to order. Sema Part Numbers MPC1 2.2kw Single phase input three phase output 230Vac...

  • Page 3: Table Of Contents

    Index Sema Part Numbers & Contact Details Installation Instructions Wiring Control Wiring Using a Float from another Manufacturer Using the Keypad Initial Setup 9-11 The Running Screen Changing Parameters 12-14 Faults Supplier Declaration of Conformity Notes Parameter Table Invertek Drives Manuals and Certificate of Conformity...

  • Page 4: Installation Instructions

    Installing Mounting The controller must be mounted vertically with sufficient clearance above and below the drive to allow air to circulate freely through the fins. The operating temperature range is –10 °C to 40°C. Although not essential it is good practise to mount the drive to a steel bracket which is welded to the steelwork of the milking shed.
  • Page 5 Available location for additional cable entry Please note that Sema Ltd has no objection to the glands being replaced with a flexible conduit fitting or any other fitting that the installing electrician would like to use provided that the fitting has an IP rating of at least IP66. Water damage caused by inadequate sealing in this area is not covered under warranty.
  • Page 6 Controller, Power and Motor, Terminal Markings Always connect the main power and motor cable earths to the terminals marked as earth. For controllers with a single phase supply connect the Phase to L1 and the Neutral to L2. For controllers with a three phase supply connect the incoming three phases to L1, L2 and L3. Connect the three motor wires to U,V and W.

  • Page 7: Control Wiring

    If it is an older float level probe there will be two cables coming from it. There is no need to connect the cable that has two wires, it is not required by the Sema Controller. In the cable with three wires con-...

  • Page 8: Using The Keypad

    Setting up and Operation Using the keypad Status Light Description: STATUS LIGHT  This is a high intensity L.E.D . designed to be as visible as possible e.g. from the end of the pit on a bright summers day. The status light has 3 possible states:- 1.

  • Page 9: Initial Setup

    Initial Set Up A few seconds after powering the unit up for the first time, or after re-initialising it, the screen below will be displayed. The only valid key which can be pressed is the ENTER key and the only way of stopping this screen from appearing is to com- plete the setup routine.
  • Page 10 your pump can successfully run at. If you are in doubt then the default figure can safely be used. ENTER THE MOTORS MAXIMUM SPEED: Here you can enter the maximum operating RPM of the motor. This figure may be adjusted up to double the motors rated nameplate RPM but please note that very few pumps can be operated at this sort of speed.
  • Page 11 (useful for keeping plate cooler pumps running for a while after the milk pump turns off.) Maximum is 600 seconds or 10 minutes. DO YOU WANT TO HAVE SEPARATE SETTINGS FOR WASH MODE: If you answer yes to this then parameters 12,13 and 14 become visible. These allow you to enter different Minimum and Maximum Speeds and a separate Maximum Level.

  • Page 12: The Running Screen

    Running The Running Screen: Float Height Mode Status Motor Current Motor RPM MODE Three different modes may be displayed here: MILK MODE This is the normal mode which is displayed while the unit is running. This will alternate with the selected operation mode (e.g.
  • Page 13 Non Password Protected Parameters: 0.) Password. There are two valid passwords that can be entered here: The password for this is 00004 The first is the low security password that unlocks parameters 17 to 19 The password for this is 00040 The second password gives access to all of the parameters 1.) Minimum Speed The minimum speed of the pump can be adjusted here.
  • Page 14 19.) Re-Initialise If the controller is moved to a new shed or a major change is made to the shed that it is installed in (i.e. a new pump is put in or extra sets of claws are added) then the controller should be re-initialised and the setup routine re done.

  • Page 15: Faults

    If a fault occurs that stops the controller running the backlight on the screen will flash rapidly and the fault description and fault number will be displayed. Please write down this number as it will provide Sema Ltd., with important information about the cause of the fault.

  • Page 17: Notes

    NOTES This page intentionally left blank. © Sema ltd., 2018.

  • Page 18: Parameter Table

    Write details of shed here Function No. Description Value Motors Kilowatt Rating Motors Nameplate R.P.M. Minimum Speed Maximum Speed Maximum Milk Level Operation Mode Pump Out Time Empty Can Interval Minimum Wash Speed Maximum Wash Speed Maximum Wash Level Wash Pump Out Time Relay Mode Relay Off Delay Pump Out Speed...

  • Page 19: Invertek Drives Manuals And Certificate Of Conformity

    EMC Compliance The current range of Sema product is based on the Invertek Drives range of variable speed drives. Units of 7.5kw and below use the E3 series of drives and units above 7.5kw use the P2 series. Manuals and compliance information for these drives can be found at www.sema.co.nz or scan the QR codes below to be taken straight to the relevant document.

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