WELBA WTS-300 Installation And Operating Instructions Manual Download Page 36

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6. Cleaning

Page 36

105204

– WTS-300-E - V4.1 - 20.01.2022

Cleaning

6.1 Cleaning methods (cooling tank-configurations)

6.1.1 Circulation cleaning with a beaker

Cleaning method for milk cooling tanks, where alkaline and acidic detergents are
supplied either by a drawer or a fixed beaker. See also section 11.1

6.1.2 Circulation cleaning with two dosing pumps

Cleaning method for milk cooling tanks, where alkaline and acidic detergents are
supplied by separate dosing pumps.

Pump

Drain valve

Agitator

Warm water

valve

Cold water

valve

beaker

Warm

water

Warm

water

Heater

Pump

Drain valve

Agitator

Warm water

valve

Cold water

valve

Metering pump

for alcaline

detergent

Warm

water

Cold

water

Heater

Metering pump

for acid

detergent

Summary of Contents for WTS-300

Page 1: ...tank control WTS 300 Installation and operating instructions for plant engineering companies installers and service engineers Firmware V4 3 Measuring Controlling Regulating All from the same source P...

Page 2: ...ng the digital inputs 19 4 6 Connection robot 19 4 7 Connection of external pressure sensor optional 19 5 Operation 20 5 1 Function overview 20 5 1 1 OFF mode stand by 20 5 1 2 Cooling mode 20 5 1 3 C...

Page 3: ...itor alarms red 67 7 5 2 Informative tank monitor alarms green 68 7 5 3 System alarms cleaning 70 7 5 4 System alarms cooling 72 7 5 5 System alarms external sensors 73 7 5 6 System alarms in general...

Page 4: ...nk overflow protection 142 10 8 Anti freezing protection by means of low pressure monitoring 143 10 9 Thermal protection Fault monitoring compressor P72 144 10 10 Fault messages low pressure F80 145 1...

Page 5: ...ded use This must be adjusted accord ingly during the installation Basically the installer of the system is responsible for the commission ing of the control Operation instruction for the operator The...

Page 6: ...alid at the time of conclusion of the con tract are applicable We reserve the right to make technical changes in the context of improving the prop erties of use and further developments 1 3 Warning no...

Page 7: ...trol an extended robot interface an extended tank monitoring system All functions can be parameterised separately and universally The control unit has various operating modes OFF mode tank is empty Co...

Page 8: ...nd technical data A Sensors other than our standard type are available on request dif ferent bush form or cable length Some of the options are shown here Sensor element KTY 81 210 Bush material 1 4301...

Page 9: ...tandard adjusting 0 7 K Water detection via 2 independent level monitors Target temperature T1 Target temperature T2 standard adjusting 8 C standard adjusting 4 C Digital inputs 8 via optocoupler expa...

Page 10: ...idual components when the system is commissioned For this reason no actuators should be connected when starting oper ation Load circuits should be separated The general principle is that the plant con...

Page 11: ...ing the system to ensure compli ance with the following guidelines The universal tank controller may only be installed by an authorised specialist observing all local safety requirements Access to the...

Page 12: ...nto operation in installed state The use of the control is permitted in devices of protection class 1 and 2 The controller must not be modified or converted in any way The universal tank controller is...

Page 13: ...carried out ac cording to local conditions In order to prevent destruction of the relay or semiconductor relay outputs in the event of a short circuit the load circuit should be fused to the maximum...

Page 14: ...ation A physical separation between the device and inductive consumers is recom mended 3 2 Unpacking and storage If the packaging is damaged or something is missing do not fit the temperature con trol...

Page 15: ...installed and the parameters are correctly set When setting the temperature controller parameters and whenever the sensor is replaced the actual value correction Parameter C91 must be adjusted so tha...

Page 16: ...ontroller s mains termi nals 4 2 Procedure In order to avoid injury to persons or damage to connected compo nents connections must in all cases be undertaken in the following or der Pull out all the c...

Page 17: ...ns with rated voltages below 1000 or the relevant national regulations Furthermore all connections must comply with the relevant VDE regulations or cor responding national regulations Within the two r...

Page 18: ...inputs is set in the A parameters A21 to A33 See section 8 11 Safety switch Remote start cooling Dry protection heating Thermal protection pump Water pressure switch Thermal protect compres Release cl...

Page 19: ...e event of a power failure the robot is stopped Connection to terminal 6 5 Robot needs to lose the signal to stop low active A41 1 In the event of a power failure the robot is stopped Connection to te...

Page 20: ...perature exceeds the selected target temperature T1 or T2 by the hysteresis value the compressor contactor and agitator are switched on automati cally Once the target temperature is attained the compr...

Page 21: ...so adjustable The WTS 300 controls the different processes and times fully automatically Following a power failure the control unit will restart in the mode it was in be fore See also section 9 6 Robo...

Page 22: ...5 Operation Page 22 105204 WTS 300 E V4 1 20 01 2022...

Page 23: ...tion Also by USB transfer values and status or error reports can be obtained from the control unit displayed on screen graphically or in tabular form and stored This al lows rapid analysis in the even...

Page 24: ...omponents acc to connecting diagram See section 4 4 When using the tank monitor connect optionally extra modules such as USB module and or stirring unit monitoring module Step 2 Assign hardware compon...

Page 25: ...ormation If only 4 blinking horizontal bars are displayed after the application of the mains volt age the time has to be reset See section 5 4 For data evaluation the Software Konsoft uses the entered...

Page 26: ...efly then the time is displayed If it is not correct adjust it as follows If there is a device error or parameter loss when the voltage is applied an error message appears on the display See section 9...

Page 27: ...tank monitor parameters H parameter Determine whether and when critical alarms are triggered Alarm configuration F parameter Here an individual behaviour can be assigned for each fault Configuration...

Page 28: ...emoval via the butterfly valve Observe tank monitor Working level for normal daily operation General cooling parameters code C212 Extended cooling parameters code D345 General cleaning parameters code...

Page 29: ...8 COOL button in OFF mode Start cooling press 2x bypass the cooling start delay if set press long new start of the cooling start delay see section 9 15 2 in cooling mode change target temperature T1 T...

Page 30: ...r delay pre stirring active Anti freezing protection active Compressor blocked via digital input Fault thermal protection fault contact Phase fault opt in connection with ESVAW 003 LED T1 or T2 T1 on...

Page 31: ...ot was stopped or Robot release delay active See A42 LED PNEUMATIC OUTLET VALVE opened permanent flashing pneumatic outlet valve is open flashingcleaning button has been pressed before the pneumatic o...

Page 32: ...o cooling by robot or external button following cleaning if programmed Subject Cooling start delay If Cooling start delay P60 is programmed the compressor starts after a delay in order to prevent a sm...

Page 33: ...iodically in line with the set pause time c21 for the after stirring period c20 in order to ensure an even temperature throughout the milk If the milk temperature rises again and exceeds the selected...

Page 34: ...es again The red WASHING LED blinks code F43 flashes in the display The control unit switches to OFF mode only when the OFF button is pressed again Cleaning does not start There are various possible c...

Page 35: ...ff a small quantity of milk tanks with pneumatic butterfly valve If milk is to be taken from the tank while cooling mode is running proceed as follows Parameter P32 Setting 1 Button function The butte...

Page 36: ...r or a fixed beaker See also section 11 1 6 1 2 Circulation cleaning with two dosing pumps Cleaning method for milk cooling tanks where alkaline and acidic detergents are supplied by separate dosing p...

Page 37: ...d container and dosing pumps Cleaning method for milk cooling tanks where water and detergent are dosed level controlled in a feed container before pumped out for tank cleaning Pump Drain valve Agitat...

Page 38: ...ter valve warm water valve alk detergent acid detergent drain valve pump heater disinfection cleaning active Clean St 0 Rinse out Cleaning stage 1 Pre rinse 1 Cleaning stage 2 Pre rinse 2 Cleaning sta...

Page 39: ...ntainer green see section 6 1 3 and 6 1 4 n parameter only required for water intake by level Adjustment of dosing times for detergents see section 6 3 6 Heat up time variable until the set temperatur...

Page 40: ...ime the first two programme steps of each rinse cycle are deactivated Dosing of detergent via time and dosing pumps By setting the cleaning parameters the sequence of the cleaning cy cles can be adapt...

Page 41: ...rogramme steps n10 n20 n30 n80 how often the pre hopper is filled with water up to level 2 and then pumped out up to level 1 QUANTITY CONTROLLED special application Here the water intake is quantity c...

Page 42: ...arameter r47 Enter the desired dosing time in parameter n103 Assign output function 17 to a free relay A1 A12 The display shows dESI during the dosing process 6 3 6 Time of detergent dosing In paramet...

Page 43: ...valve will open The water circulates for the pre set time n02 Agitator and pump switch off Drain valve opens for the pre set time n03 The drain valve is assigned to the respective cleaning stage via...

Page 44: ...cleaning parameter r51 is used to stipulate whether cold hot or mixed water is to be taken in Agitator and pump start to run Another option is to select an additional water intake time using n13 The...

Page 45: ...by level the level is not reached after a pre set time r32 the cleaning cycle is interrupted See section 7 5 3 F44 Agitator and pump start to run Another option is to select an additional water intake...

Page 46: ...is defined in parameter n32 If in the event of intake by level the level is not reached after a pre set time r32 the cleaning cycle is interrupted See section 7 5 3 F44 The cleaning parameter r53 is...

Page 47: ...this is switched on When the heating temperature n106 is reached the heater is switched off again If the temperature is not reached within the pre set time r37 the control unit con tinues with the pr...

Page 48: ...ke by level the level is not reached after a pre set time r32 the cleaning cycle is interrupted See section 7 5 3 F44 Agitator and pump start to run Another option is to select an additional water int...

Page 49: ...pump start to run Water circulates in the tank Another option is to select an additional water intake time using n53 Depending on the setting of the parameter r20 acidic detergent is injected at the...

Page 50: ...ater circulates for the pre set time n54 During the main circulating time a post heating temperature n110 can be defined An additional time can be defined in parameter n55 in which the drain valve ope...

Page 51: ...intake by level the level is not reached after a pre set time r32 the cleaning cycle is interrupted See section 7 5 3 F44 Agitator and pump start to run Another option is to select an additional wate...

Page 52: ...d pump start to run Water circulates in the tank Another option is to select an additional water intake time using n73 Depending on the setting of the parameter r20 acidic detergent is injected at the...

Page 53: ...ater circulates for the pre set time n74 During the main circulating time a post heating temperature n111 can be defined An additional time can be defined in parameter n75 in which the drain valve ope...

Page 54: ...after a pre set time r32 the cleaning cycle is interrupted See section 7 5 3 F44 Agitator and pump start to run Another option is to select an additional water intake time using n83 The water circulat...

Page 55: ...e set time n02 Agitator and pump switch off Drain valve opens for the pre set time n03 The drain valve is assigned to the respective cleaning stage via the parameters r60 to r69 Parameter r24 r25 dete...

Page 56: ...ing on the parameterisation P60 cleaning changes to OFF mode or cooling mode 6 5 3 Abort of the cleaning due to faults Fault messages are displayed flashing on the display via SMS or email optional Th...

Page 57: ...shows the current temperature alternating with ABL the drain valve is opened for the time n100 the control continues the cleaning at the start of the rinse cycle in which the interruption occurred Fa...

Page 58: ...and warm water Proceed as follows Connect the flow sensors to the first four digital inputs D1 to D4 of the I O expan sion module For connection see the documentation of the I O expansion module As o...

Page 59: ...in unchanged 6 6 3 Quantity controlled water intake Settings separately for each rinse cycle 0 9 Activate the function quantity controlled water intake in parameter L105 for all rinse cycles In the co...

Page 60: ...displayed number of pulses by pressing the Cool key By pressing the cleaning key the corresponding dosing pump can now be acti vated or the water valve opened Keep the cleaning key pressed until the...

Page 61: ...MS message should be carried out For this to take effect the relay functions in the A parameters see section 8 11 must be assigned to a relay or the SMS function must be activated The tank monitor of...

Page 62: ...cleaning cycle runs for at least 10 minutes active critical informative alarm critical informative alarm 1x RESET critical informative alarm multiple RESET If several alarms are present the reset butt...

Page 63: ...s Informative alarm Milk may be drawn off The driver goes to the WTS 300 and checks the tank monitor The green LED is flashing the warn horn sounds an error code is displayed Milk can be drawn off The...

Page 64: ...he critical alarm codes are taken from the display and identified using the fault table See section 8 10 The farmer and driver then decide together whether the milk can be transferred to the tanker de...

Page 65: ...e See section 8 10 The farmer and driver then decide together whether the milk can be transferred to the tanker despite the alarm The farmer first presses the RESET button to cancel the critical alarm...

Page 66: ...t Der The first informative fault example F34 blinks in the display Identify the fault using the list of faults Press RESET button The green LED continues to flash in order to indicate that there are...

Page 67: ...param eter H20 F11 Minimum washing temperature not reached Alarm is triggered if in the main washing stages the minimum water tem perature selected in H30 is not reached F12 Minimum acting time not re...

Page 68: ...too long h28 The timer starts when the temperature falls below h27 and stops again when the temperature exceeds h27 The timer restarts each time the temperature is ex ceeded F29 Low temperature direct...

Page 69: ...optional pulse counter is installed and configured L112 reports when no cleaning agent is flowing in F37 Fault disinfectant supply Only if the optional pulse counter is installed and configured L112 r...

Page 70: ...t be acknowl edged with the reset button F40 Safety switch for butterfly valve only if r10 2 washing stops outlet valve is opened for time n100 during the emptying phase the display alternates between...

Page 71: ...ectrode reports water the red LED FAULT flashes At the end of the draining phase there is still water in the tank Possible cause of fault Water valve has not closed is faulty Draining phase set too sh...

Page 72: ...frequency converter triggered ATTENTION Depending on the setting in parameters P24 or P25 ONLY fault message F54 is displayed or the compressor is also switched off If this is the case it must be ensu...

Page 73: ...or is displayed if a high pressure malfunction is detected at the high pressure input optionally programmed F82 Fault external fault Fault is displayed if a corresponding signal is present at the digi...

Page 74: ...git with SET The set digit has been accepted the second 0 flashes Use arrow keys to set the second digit Set third and fourth digits as well The first parameter of the selected level now appears If an...

Page 75: ...e held the value starts to run Note In order to store the value in the memory first release the arrow button and then the SET button Return to working level possible from any parameter Standard with s...

Page 76: ...the after stirring period selected 0 999 min 20 c23 Duration of intermediate stirring SHORT Period in minutes during which the agitator operates if the UP arrow button is pressed for approx 1 second d...

Page 77: ...the sensor Then applies it cumulatively throughout the entire measurement range 10 10 K c92 Display actual temperature sensor 2 hidden if A50 0 c93 Sensor correction sensor 2 hidden if A50 0 A correct...

Page 78: ...ower limit for hysteresis T1 for C10 Upper limit for hysteresis T1 for C10 Lower limit for hysteresis T2 for C11 Upper limit for hysteresis T2 for C11 0 50 0 C 0 50 0 C 0 50 0 C 0 50 0 C 0 1 30 0 K 0...

Page 79: ...Fault message only 1 High active fault when contact is closed 2 Low active fault when contact is opened Fault message and shutdown of compressor in case of a fault 3 High active fault when contact is...

Page 80: ...ve button for 2 seconds Valve opens until button is pressed again briefly The maximum open time can be limited in P33 P33 Max open time for butterfly valve For drawing off milk manually hidden if A40...

Page 81: ...witch at digital input if there is a signal pumping is stopped 2 End level controlled low active via external float switch at digital input if there is no signal pumping is stopped 3 End time controll...

Page 82: ...s fault indication F52 when level 1 is reached 2 as 1 plus outlet valve 1 opens 3 activates fault indication F52 when level 2 is reached 4 as 3 plus outlet valve 1 opens Alarm tank overflow protection...

Page 83: ...operation 10 999 ltr 200 P55 Error message if no milk feed is detected for X minutes from the last stop of the compressor a switchover to the regular cooling mode does not take place 0 999 min 60 P56...

Page 84: ...2 3 5 5 60 min 20 P65 Number of cooling boosts P61 2 3 5 1 50 5 P66 Number of impulses milk pump P61 4 or 5 1 100 10 P67 Timeout delay via milk pump only if P61 4 or 5 1 999 min 60 Safety function In...

Page 85: ...contactor auxiliary contact N C contact When the compressor is switched on feedback is expected at the digital input of the controller after 60 seconds at the latest If this feedback is not received...

Page 86: ...back after a period Press the T1 T2 button in cooling mode control unit switches to T2 for period P81 and then back to T1 As long as T2 is active the T2 LED flashes 3 automatic switchover to T2 at co...

Page 87: ...t compressor 10 999 sec 120 P88 Switch off time compressor in case of too low pressure 1 15 min 10 P89 Time limit after cooling start 0 999 min 0 0 no limitation 1 999 x minutes after start of the coo...

Page 88: ...0 999 sec 30 n25 Rinse out time 0 999 sec 0 n26 Drain time 0 999 sec 60 Running times cleaning stage 3 main rinse 1 n30 Water intake by feed container 0 10 0 n31 Water intake by level 1 0 1 0 n32 Wat...

Page 89: ...Running times cleaning stage 6 intermediate rinse 2 hidden if r46 0 n60 Water intake by feed container 0 10 0 n61 Water intake by level 1 0 1 0 n62 Water intake by time 0 999 sec 90 n63 Additional wa...

Page 90: ...cid detergent 0 999 sec 30 n103 Dosing time disinfection hidden if r47 0 0 999 sec 30 Temperature settings see also section 11 3 n106 Pre heat temp main cleaning stage 1 alkal acid hidden if r35 0 0 9...

Page 91: ...8 Setting of parameters 105204 WTS 300 E V4 1 20 01 2022 Page 91...

Page 92: ...between 4 and 40 0 deactivated 1 activated with compressor lock see P70 2 activated without compressor lock see P70 Detergent options Range Def r20 Dosing position see section 6 2 and 6 3 6 0 dosing i...

Page 93: ...the agitator and flushing pump have started 0 deactivated 1 60 sec Delay time of the activation of the drain valve 0 Settings to start cleaning Def r27 Cleaning enable via digital input see section 9...

Page 94: ...last rinsing stage only 2 Monitoring of level 1 after each rinsing stage 3 Monitoring of level 2 after last rinsing stage only 4 Monitoring of level 2 after each rinsing stage r34 Monitoring of water...

Page 95: ...stage 5 Main rinse 2 1 7 1 r56 Valve selection clean stage 6 Intermed rinse 2 1 7 1 r57 Valve selection clean stage 7 Disinfection 1 7 1 r58 Valve selection clean stage 8 After rinse 1 7 1 r59 Valve...

Page 96: ...stages 2 as 1 however premature termination if pressure via pressure switch 3 as 1 however unlimited impulses when rinsing cleaning stages 0 9 4 as 2 however unlimited impulses when rinsing cleaning s...

Page 97: ...ng sequence The setting 1 3 is mainly used by the service technician during commissioning if a permanent activation is not desired 0 deactivated 1 3 active in the next 1 3 rinsing cycles 4 seconds in...

Page 98: ...tting 6 Intermediate rinse 2 L62 L63 Amount of water in step n62 Amount of water in step n63 0 500 l 0 500 l 35 0 Rinse cycle quantity setting 7 Disinfection L72 L73 Amount of water in step n72 Amount...

Page 99: ...after timeout with fault message Individual timeout for each programme step L107 plus step time from the corresponding n parame ter 2 Continue cleaning after timeout and report fault 0 2 1 L107 Timeo...

Page 100: ...20 0 mA Display of the currently measured current Display of the presently measured current of the analogue 4 20 mA inputs Display area E16 Display of the analogue input 4 20 mA Display of the present...

Page 101: ...IN With E40 E41 you can check at which date or time the next automatic stirring is activated which was set under P28 The control unit calculates the time displayed on the basis of the last cleaning Di...

Page 102: ...he time set h28 F27 0 30 0 C 2 0 h28 Max time of undertemperature from cooling start 0 999 min 120 h29 Min undertemperature with direct alarm triggering from 1st milking Start the counter from cooling...

Page 103: ...2 Performance of stirring unit first stirring unit 3 Measuring size analogue input 4 20 mA 0 3 0 h90 Selection period in days of the recording data Konsoft 1 365 90 h91 Logging intervals cleaning mod...

Page 104: ...g temperature monitoring H30 Minimum cleaning temperature F11 0 50 0 C 40 0 H31 For min time F12 0 999 min 2 Agitator monitoring H40 Agitator fault in cooling mode no stirring of milk F15 0 999 min 45...

Page 105: ...0 H99 Password protection 0 FFFF 0 Information on password protection The level extended tank monitor parameters can additionally be pro tected with another password For this purpose a 4 digit passwor...

Page 106: ...o level Alarm configuration See section 8 1 In this level each fault message F1 to F61 is assigned the effect of this alarm See the table below F parameters Code FFFF Working level for normal daily op...

Page 107: ...y voltage too low 7 13 7 13 7 13 7 13 7 13 7 13 7 13 7 13 7 13 11 11 11 11 11 11 11 11 11 F40 F41 F42 safety switch butterfly valve pressure switch cleaning pipe thermos contact cleaning pump 1 13 1 1...

Page 108: ...how you want to allocate all the vari ous components to the relays and digital inputs Allocation of output relays In A1 A20 the functions needed are assigned to the output relays Allocation of digita...

Page 109: ...A15 A16 A17 A18 A19 A20 assignment relay K1 assignment relay K2 assignment relay K3 assignment relay K4 assignment relay K5 assignment relay K6 assignment relay K7 assignment relay K8 assignment relay...

Page 110: ...external switchover of temperature 26 Milk removal button 27 Remote start OFF Mode 28 Remote start CLEANING see also parameter A38 29 Remote start COOLING see also parameter A38 30 Remote start STIRRI...

Page 111: ...opped when open 2 opening contact robot stopped when closed 3 opening contact robot stopped when open A42 Robot release delay Delays the robot release by the set time During this time the Robot STOP L...

Page 112: ...F83 0 deactivated 1 Alarm is activated when 3 5 mA and 21 mA 2 Alarm is activated when 3 5 mA 0 2 0 Configuration of analog inputs I O extension module Range Def A56 Function analogue input I1 4 20 m...

Page 113: ...on relays that are integrated in the module 6 one agitator 7 two agitators if not used with A14 other functions are selectable Agitator monitoring without a separate module If agitator monitoring is m...

Page 114: ...r failure monitoring 2 Operation via external power pack Power failure monitoring is deactivated 0 2 0 Automatic change of daylight saving time Range Def A78 Automatic change of daylight saving time 0...

Page 115: ...on pulse T2 delayed by T1 8 Switch off pulse T2 delayed by T1 0 8 1 A87 Assignment of multi function timing relay input 0 digital input multifunction time relay 1 26 freely selectable output function...

Page 116: ...I O module optionally Test Relay 2 ext I O module optionally Test Relay 3 ext I O module optionally Test Relay 4 ext I O module optionally Test Relay 5 ext I O module optionally Test Relay 6 ext I O m...

Page 117: ...est digital input 5 Test digital input 6 Test digital input 7 Test digital input 8 Test digital input 1 external I O module optionally Test digital input 2 external I O module optionally Test digital...

Page 118: ...ton cooling the displayed value is reset Button cleaning switches on the assigned valve or pump See also section 6 6 4 o 81 Pulse counter 1 acidic o 82 Pulse counter 2 alkaline o 83 Pulse counter 3 Di...

Page 119: ...tton Convenience function only with pneumatic butterfly valve Significance if the COOLING button is pressed in OFF mode the pneumatic butter fly valve is automatically closed 9 2 Safety switch for man...

Page 120: ...any time Hold down the up and down arrow buttons simultaneously The settings are stored Proceed with the setting for sensor 2 if present in the same way In this case pa rameters c92 and c93 must be se...

Page 121: ...r test errors from the OFF mode by pressing buttons OFF and SET simulta neously for four seconds Check if the required reaction has taken place Reset the error triggered with the reset button 9 5 2 Fu...

Page 122: ...n when switching on Factory configuration is restored automatically If dEFA occurs in the display after switching on the standard configuration factory setting has been restored automatically The cont...

Page 123: ...erminals 21 22 observe polarity activate power pack in parameter A75 IMPORTANT NOTE The life of the rechargeable batteries is limited Those fitted must be replaced by new ones every two years at the l...

Page 124: ...on a cooling tank control no relay for switching the agitator motors are occupied ESVAW 003 A Operating instructions The agitator monitoring module ESVAW 003 A is designed to monitor a three phase AC...

Page 125: ...supply voltage connection can be used for the connection of corresponding sensors For proper installation please pay attention to the documentation supplied Configuration Assignment of relays 1 to 6 P...

Page 126: ...nt If the trigger signal is shorter than T1 the relay is not switched on Trigger signal Relay output T1 Selection 2 Switch off delay T2 When the trigger signal is given the relay output is switched on...

Page 127: ...ON for time T1 and OFF for time T2 If the trigger signal disappears the relay switches off again Trigger signal Relay output Selection 7 Delayed pulse ON switched triggered Event controlled cannot be...

Page 128: ...ain in the control line of the remote push buttons Parameter A38 Selection 1 Safety chain via digital input Assign function 36 release remote start to one of the digital inputs A21 A33 Safety switch r...

Page 129: ...options for RS485 PC A PC with the Welba Konsoft for parameterizing updating and reading the data Remote maintenance module ESGSM for a remote configuration and sending SMS error messages USB module...

Page 130: ...nt 1 0 kV 0 5 kV 3 typical industrial environment 2 0 kV 1 0 kV 4 industrial environment with very high interference level 4 0 kV 2 0 kV As the values given in the table are maximum values operational...

Page 131: ...voltage systems the induction voltage occurring can for example be limited by using self induction diodes varistors or suppresser diodes The diagram on the left shows one possibility using a self ind...

Page 132: ...tages These components must be protected against excessive voltages for which mainly varistors RC combinations or choke coils are used The use of zero voltage switches is also recommended The suggesti...

Page 133: ...will start au tomatically In cooling mode switching to OFF mode the robot remains active If the button Robot Stop is pressed for 3 seconds the robot is stopped and cool ing mode ends In cleaning mode...

Page 134: ...ing release in parameter r27 is set to active and the CLEANING button is pressed the display shows CLEn the washing mode LED flashes As soon as the robot is released the cleaning process is started th...

Page 135: ...he agitator starts before the compressor is switched on This is intended to ensure that the warm milk at the outlet is mixed with the remaining cold milk in the tank and the compressor is switched on...

Page 136: ...cooling operation is stopped by the milk truck driver a continuous agitating mode can be initiated automatically in order to achieve better mixing of the milk in the tank 10 1 2 Automatic start to co...

Page 137: ...of milk pump impulses Cooling starts after the set number of milk pump impulses 5 periodic cooling phases after a number of milk pump impulses Cooling starts after the set number of milk pump impulses...

Page 138: ...the milk quantity starts already Setting 6 only with the beginning of the cooling mode Setting 7 or in the cleaning mode Setting 7 is selected if during the cleaning of the main tank milk has already...

Page 139: ...ll run continuously until the time set on the timer expires The timer can be switched off manually at any time using the OFF button 10 4 Level alarm during cooling Fault code F52 Safety function The l...

Page 140: ...Set parameter A61 offset in litres to your tank Quantity of milk in the tank below the linear area In parameter A62 enter the distance Center sensor to Start linear area in cm Level indicator on the...

Page 141: ...ng steps are switched on depending on the filling quantity silo only Precondition installed analogue pressure sensor filling level Set the level switch as described in section 10 5 Set parameter P73 t...

Page 142: ...al inputs A21 A33 the function 18 level sensor tank full Via level electrode A connected to level 2 of the control Precondition installed level electrode Set parameter P42 to 4 Via litre recording by...

Page 143: ...nitoring is delayed by the set time P87 Other settings A54 or A56 or A57 2 P84 0 If the fault monitoring of the analogue input A55 is activated and there is an error the anti freeze protection is temp...

Page 144: ...xiliary contact opened fault F53 is displayed Parameter P72 is at 2 The auxiliary contact of the motor protection relay or of the motor protection switch is queried Is this auxiliary contact closed fa...

Page 145: ...g Parameter P90 Setting 3 30 If a low pressure message stands longer than the time set after the finishing of the low pressure monitoring P89 with the compressor switched on fault F80 is dis played di...

Page 146: ...g off of the rinsing pump may be nec essary i e prior to the finishing of the dosing process This can be set in parameter r22 11 2 Setting of a break in the cleaning programme During the automatic cle...

Page 147: ...ginning of the heating up phase depending on whether this starts in programme stage D2 or H This delay can be used to prevent the system switching on to the next programme stage too soon if pre heated...

Page 148: ...tivity has been set too low If at the start of the first washing stage water intake until level is reached no water is detected despite the level electrode having been reached water continues to en te...

Page 149: ...nd the time interval between them must be set Parameter r80 Setting 1 On off impulse with fixed quantity for all cleaning stages r81 Number of switch on and switch off impulses r82 Duration of switch...

Page 150: ...of this single step function is at your own risk Advancing important processes poses a danger to both the tank and the milk Proceed as follows either Set in parameter r93 how many cleaning cycles 1 3...

Page 151: ...2 2 EMAIL alarm remote maintenance module ESIPM The email alarm and remote maintenance modem ESIPM 001 is used to send fault messages by email for remote configuration for remote diagnosis for configu...

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