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WELBA WTS-200 Installation And Operating Instructions Manual

Universal tank control
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Universal tank control
WTS-200
Installation and operating instructions
for plant engineering companies,
installers and service engineers
105871 - WTS-200
11.06.2019
Firmware V0.5
Measuring - Controlling - Regulating
All from the same source
welba.de
Programmable via
configuration software
WELBA „KONSOFT"
Page 1

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Summary of Contents for WELBA WTS-200

  • Page 1 Measuring - Controlling - Regulating All from the same source welba.de Universal tank control WTS-200 Firmware V0.5 Installation and operating instructions for plant engineering companies, installers and service engineers Programmable via configuration software WELBA „KONSOFT" Page 1 105871 - WTS-200 11.06.2019...

  • Page 2: Table Of Contents

    Disposal........... 42 Page 2 105871 - WTS-200 11.06.2019...

  • Page 3: Appliance Decription

    Appliance description The WTS-200 is a universal tank control unit combining a modern milk cooling regulator and a complete cleaning programme control system in one. The control unit has various operating modes: ! OFF mode (with continuous stirring function) The control unit is on stand-by. The display shows 'OFF', the LEDs are out and all output replays are deactivated.

  • Page 4: Safety

    The universal tank control may not be exported to the USA without the manufacturer's express permission. Intended use The universal tank control type WTS-200 is used to control heating and cooling systerns, alarm devices, fans, etc. Any other use of the device is permitted only with prior written permissi- on from the manufacturer.

  • Page 5: Installation

    (or if a sensor other than the one supplied is to be fitted), the "actual 40 mm value correction" parameter must be adjusted accordingly. See the section "Setting the actual value correction" on page 38. Page 5 105871 - WTS-200 11.06.2019...

  • Page 6: Electrical Connection

    No appliances with current levels in excess of the maxi- mum values indicated on the relays should be connected to the relay contacts Use contactors. Downstream contactors must be fitted with an RC protecti- on circuit. (see also page 41). Page 6 105871 - WTS-200 11.06.2019...

  • Page 7: Connection Diagramm

    9 10 11 12 13 14 max. switching current relay: K1...K10 5A/230VAC1 K6 K7 K8 K9 K10 K2 K3 K4 K5 230V AC 50/60Hz Digital inputs 25 24 23 22 21 20 19 18 17 16 Page 7 105871 - WTS-200 11.06.2019...

  • Page 8: Technical Data

    -10 .. 70° C Cable lenght Standard 2 metres Protection type IP 65 Sensors other than our standard type are available on request (different bush from or cable length). Some of the options are shown here. Page 8 105871 - WTS-200 11.06.2019...

  • Page 9: Operating Levels

    Code: 454 Extended cleaning parameters Code: 567 I/O test parameters Code: 0E5 Operation of the WTS-200 takes place at various levels: Working level: … for normal daily operation. OFF mode = control unit switched off. Start cooling mode. Start cleaning mode.

  • Page 10: Operation Of Working Level

    'Intermediate stirring LONG' See also section: 'Intermediate stirring options' on page 7. WASHING button in OFF mode = Start cleaning During the cleaning process = Special function when commissioning / Service See page 23 Page 10 105871 - WTS-200 11.06.2019...

  • Page 11: Meaning Of Leds

    Target temperature 'T ' active LED “WASH END” continuous cleaning is completed LED "COOLING MODE" Mode blinking Cooling start delay is activ continuous "Cooling mode" is activ Mode LED "CLEANING MODE" continuous "Cleaning mode" is activ Page 11 105871 - WTS-200 11.06.2019...

  • Page 12: Operating Modes

    " The milk will now be cooled to the set target temperature. The agita- tor motor runs continuously. If the milk temperature is already lower than the target temperature only the agitator operates. Page 12 105871 - WTS-200 11.06.2019...
  • Page 13 Only relevant if parameter [r10] is Special function for commissioning / Service set to 1 For commissioning- and Service purposes all rinsing steps can be manu- ally switched (see next page). Procedure see page 23. Page 13 105871 - WTS-200 11.06.2019...

  • Page 14: Cleaning Programme Description

    Cleaning with alkaline or acid detergent Explanation see page 21. alkaline acid detergent detergent T1 T2 During the cleaning process the current programme step or the actual °C temperature is displayed. (Setable in parameter [r97]). Mode Page 14 105871 - WTS-200 11.06.2019...

  • Page 15: Cleaning Stage 1 -> Pre Rinse 1

    The „rinsing time“ is determined in parameter [n15] (same name). + Drain water (Programme step: n16) Agitator and cleaning pump switch off - drain valve opens. The time of the „drain water“ is defined in parameter [n16]. Page 15 105871 - WTS-200 11.06.2019...

  • Page 16: Cleaning Stage 2 -> Main Rinse 2

    The „rinsing time“ is determined in parameter [n25] (same name). + Drain water (Programme step: n26) Agitator and cleaning pump switch off - drain valve opens. The time of the „drain water“ is defined in parameter [n26]. Page 16 105871 - WTS-200 11.06.2019...

  • Page 17: Cleaning Stage 3 -> Main Rinse 1

    Agitator and pump continue to run, drain valve opens already. Time „rinsing“ => Parameter [n35] + Drain water (Programme step: n36) Agitator and cleaning pump switch off - drain valve opens. The time of the „drain water“ => Parameter [n36] Page 17 105871 - WTS-200 11.06.2019...

  • Page 18: Cleaning Stage 4 = Intermediate Rinse

    The „rinsing time“ is determined in parameter [n45] (same name). + Drain water (Programme step: n46) Agitator and cleaning pump switch off - drain valve opens. The time of the „drain water“ is defined in parameter [n26]. Page 18 105871 - WTS-200 11.06.2019...

  • Page 19: Cleaning Stage 5 -> Main Rinse 2

    Agitator and pump continue to run, drain valve opens already. Time „rinsing“ => Parameter [n55] + Drain water (Programme step: n56) Agitator and cleaning pump switch off - drain valve opens. The time of the „drain water“ => Parameter [n56] Page 19 105871 - WTS-200 11.06.2019...

  • Page 20: Cleaning Stage 6 = Afterrinse

    The „rinsing time“ is determined in parameter [n65] (same name). + Drain water (Programme step: n66) Agitator and cleaning pump switch off - drain valve opens. The time of the „drain water“ is defined in parameter [n66]. Page 20 105871 - WTS-200 11.06.2019...

  • Page 21: Cleaning With Alkaline Or Acidic Detergent

    Cleaning stage 1 Cleaning stage 2 Cleaning stage 3 Cleaning stage 4 Cleaning stage 5 Cleaning stage 6 Pre rinse 1 Pre rinse 2 Main rinse 1 Intermed. rinse Main rinse 2 After rinse Page 21 105871 - WTS-200 11.06.2019...

  • Page 22: Faults During Cleaning Process

    , the display alternately shows 'AbL' and the current temperature, , for the time [n70] drain valve is opened (can be stopped by repeated pressing of the Off-button). , control switches into the OFF-mode. Page 22 105871 - WTS-200 11.06.2019...

  • Page 23: Power Failure During The Cleaning Process

    NB: An aborted cleaning counts here as a completed cleaning. By repeatedly pressing the CLEANING button, the cycle can now Programme step be progressed step by step. Can be terminated via OFF button at any time, with drain phase. Page 23 105871 - WTS-200 11.06.2019...
  • Page 24 Cleaning programme description Page 24 105871 - WTS-200 11.06.2019...

  • Page 25: Adjustment Of Parameters In General

    (possible from any parameter) the working level. ! Press UP and DOWN buttons simultaneously for approx. 5 Attention: Any changes seconds. will not be accepted! The device switches to the OFF mode. Page 25 105871 - WTS-200 11.06.2019...

  • Page 26: Operation Of 'General Cooling Parameters' Level

    C24 Duration of 'intermediate stirring LONG' (default 10 minutes) Period in minutes during which the agitator operates if the AGITATOR button is pressed for approx. 3 seconds during a cooling pause. Range 1 to 999 minutes. Page 26 105871 - WTS-200 11.06.2019...
  • Page 27 A correction can be applied to the value measured by the sensor. Then applies it cumulatively throughout the entire measurement range. See page 38. Range -10 to 10K C98 Installed software version The software version installed is shown to help service techni- cians. Page 27 105871 - WTS-200 11.06.2019...

  • Page 28: Operation Of 'Extended Cooling Parameters' Level

    Time (min.) with which the compressor starts with a delay after pressing the button „cooling“ During the start delay the mode-LED flashes. All other cooling cycles do not start with a delay. Range 0,0 .. 999 min. Page 28 105871 - WTS-200 11.06.2019...
  • Page 29 Range 0 to 999 sec. P80 Switchover from T1 to T2 (default 0) Setting of 'Switch target temperature' function 0 = not possible (target temperature T1 always active) 1 = manual switching via button "T1 / T2". Page 29 105871 - WTS-200 11.06.2019...

  • Page 30: Operation Of 'General Cleaning Parameters' Level

    0 sec. Circulation time Range 0 - 999 sec. default 30 sec. n25 Washout time Range 0 - 999 sec. default 0 sec. n26 Drain time Range 0 - 999 sec. default 60 sec. Page 30 105871 - WTS-200 11.06.2019...
  • Page 31 0 sec. n54 Circulation time Range 0 - 999 sec. default 150 sec. n55 Washout time Range 0 - 999 sec. default 0 sec. n56 Drain time Range 0 - 999 sec. default 90 sec. Page 31 105871 - WTS-200 11.06.2019...
  • Page 32 Intake time for acidic detergent Range 0 - 999 sec. default 30 sec. Temperature settings Heating temperature main rinse 1 Range 0 - 80° default 45° Heating temperature main rinse Range 0 - 80° default 45° Page 32 105871 - WTS-200 11.06.2019...

  • Page 33: Operation Of 'Extended Cleaning Parameters' Level

    0 Settings for level detection Sensitivity level input -10 = less sensitive +10 = more sensitive default 0 Timeout water intake by level Maximum time to cleaning abort: 1 .. 60 min. default 5 Page 33 105871 - WTS-200 11.06.2019...
  • Page 34 See page 23 Range: 0 .. 3 Display during rinsing 0 = Display of programme step 1 = Display of temperature 2 = Display changes between step and temperature default 0 Page 34 105871 - WTS-200 11.06.2019...

  • Page 35: Operation Of 'I / O Test Parameter' Level

    Test level input o.41 Level 1 The SET button can be used to check the switching status of the level input. No values can be entered here. input not connected input connected Page 35 105871 - WTS-200 11.06.2019...

  • Page 36: Fault Indication On The Display

    Programming level. See page 38. Software fault Please contact the manufacturer Memory fault See page 39. Automatic factory reset after update The controller was reset to factory settings after a software update. See page 39. Page 36 105871 - WTS-200 11.06.2019...

  • Page 37: Sonstige Hinweise

    Other informations Function “Intermediate stirring” The universal tank control WTS-200 has a function allowing the agitator Mode to be switched on manually in coolin mode. This can be done is different ways. Regardless of the chosen option the corresponding LED always indi- cates when the agitator is operating.

  • Page 38: Setting The Actual Value Correction

    The level control is factory-set to 'medium' water quality. Depending on the hardness of the local water supply sensitivity can be adjusted parameter [r30] as follows: 0 .. +10 more sensitivity 0 .. -10 lower sensitivity Page 38 105871 - WTS-200 11.06.2019...

  • Page 39: Procedure Following Power Failure

    Press button SET to confirm the factory reset. Set and store original parameterization for the tank. NOTE: If "EEP" appears again on the display after the factory reset and after another OFF and ON-switching, the control is irreparably defective. Page 39 105871 - WTS-200 11.06.2019...

  • Page 40: General Measures When Using Electronic Control Systems

    ! switching off inductive loads (contactors, motors, solenoid valves, etc.) ! unsatisfactory routing of wires, too small cross-sections ! loose contacts ! rhythmically changing power stages (power converters) ! power breakers ! high-frequency generators Page 40 105871 - WTS-200 11.06.2019...
  • Page 41 (as shown on the left), as an idle current will flow through the RC combination even when the switching contact is open. This current may be enough to mean that a downstream contactor is not de-energised and a closed protective contact does not reopen. Page 41 105871 - WTS-200 11.06.2019...

  • Page 42: Disposal

    Local and current legislation must be observed. Publisher: WELBA GmbH Tel. +49 (0)2638 / 9320-0 Electronic Control Engineering Fax. +49 (0)2638 / 9320-20 Gewerbepark Siebenmorgen 6 E-mail: info@welba.de Web: www.welba.de D-53547 Breitscheid Page 42 105871 - WTS-200 11.06.2019...

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