Danfoss AK-LM 330, Design Manual

Page 1: ...Monitoring unit AK LM 330 Design Guide ADAP KOOL Refrigeration control systems...

Page 2: ...1 Connections 32 Planning table 33 Length 34 Linking of modules 34 Determine the connection points 35 Connection diagram 36 Supply voltage 37 Ordering 38 3 Mounting and wiring 39 Mounting 40 Mounting...

Page 3: ...tion Pressure monitoring with alarm function Pressure control with relay function Voltages of 0 10 V Voltage detection Voltage monitoring with alarm function Voltage monitoring with relay function On...

Page 4: ...irements are changed Flexible concept Controller series with common construction One principle many regulation uses modules are selected for the actual connection requirements The same modules are use...

Page 5: ...ccess to a number of general functions such as overview manual operation log function alarms and service configuration Network linking The controller can be linked up into a network together with othe...

Page 6: ...memory and can contain more data If you are in a service situation you can show measurements in a trend function The measurements are then made real time and displayed instantly Alarm The display giv...

Page 7: ...specific software and by which input and output signals the relevant application will require If it is an application with few connections the controller module top part with belonging bottom part ma...

Page 8: ...n is planned set up it will generate a need for a number of connections distributed on the mentioned types This connection must then be made on either the controller module or an extension module The...

Page 9: ...DA cable and AK controller AK RS 232 Accessories Transformer module 230 V 115 V to 24 V AK PS 075 18 VA 24 V d c Supply for controller AK PS 150 36 VA 24 V d c Accessories External display that can be...

Page 10: ...lid state outputs Can be used for loads that are cut in and out frequently e g rail heat fans and AKV valve Max 240 V a c Min 48 V a c Max 0 5 A Leak 1 mA Max 1 AKV Ambient temperature During transpor...

Page 11: ...2015 08 11 Dimensions The module dimension is 72 mm Modules in the 100 series consist of one module Modules in the 200 series consist of two modules Controllers consist of three modules The length of...

Page 12: ...arate instructions for LON communication Address setting When the controller is connected to a gateway type AKA 245 the controller s address must be set between 1 and 119 If it is a system manager AK...

Page 13: ...1 22 10 AI 10 23 24 11 AI 11 25 26 12 DO 1 31 32 13 DO 2 33 34 14 DO 3 35 36 15 DO 4 37 38 16 DO 5 39 40 41 17 DO6 42 43 44 18 DO7 45 46 47 19 DO8 48 49 50 Terminal 15 12 V Terminal 16 5 V Terminal 27...

Page 14: ...pply voltage The supply voltage to the module comes from the previous module in the row Supply voltage to a pressure transmitter can be taken from either the 5 V output or the 12 V output depending on...

Page 15: ...2 P0 Pc Paux AKS 32R AKs 2050 1 xx bar AKS 32 1 zz bar U 0 5 V 0 10 V On Off Ext Main switch Day Night Door Defrost Active at Closed Open Point 5 6 7 8 Type AI5 AI6 AI7 AI8 Point 1 2 3 4 Type AI1 AI2...

Page 16: ...he module contains 8 inputs for on off voltage signals Signal AK XM 102A is for low voltage signals AK XM 102B is for high voltage signals Supply voltage The supply voltage to the module comes from th...

Page 17: ...I 2 3 4 3 DI 3 5 6 4 DI 4 7 8 5 DI 5 9 10 6 DI 6 11 12 7 DI 7 13 14 8 DI 8 15 16 Point Signal Active at DI Ext Main switch Day Night Door Defrost Closed voltage on Open voltage off Point 5 6 7 8 Type...

Page 18: ...o override the relay s function Either to position OFF or ON In position Auto the controller carries out the control Light emitting diodes There are two rows with LED s They indicate the following Lef...

Page 19: ...t 1 DO 1 25 26 27 2 DO 2 28 29 30 3 DO 3 31 32 33 4 DO 4 34 35 36 5 DO 5 37 38 39 6 DO 6 40 41 42 7 DO 7 43 44 45 8 DO 8 46 47 48 Signal Active at DO Fan Alarm Light Rail heat Defrost Night blinds Val...

Page 20: ...ight change over switches at the front make it possible to override the relay s function Either to position OFF or ON In position Auto the controller carries out the control Light emitting diodes Ther...

Page 21: ...ohm 0 C S2 S3 S4 S5 Saux Pt 1000 P AKS 32R AKS 2050 AKS 32 P0 Pc Paux AKS 32R AKS 2050 1 xx bar AKS 32 1 zz bar U 0 5 V 0 10 V On Off Ext Main switch Day Night Door Defrost Active at Closed Open DO F...

Page 22: ...g or an On Off signal DI function Supply voltage The supply voltage for the module comes from the previous mod ule in the sequence LEDs These indicate the following Voltage of the module Communication...

Page 23: ...Signal Module Point Terminal Active at 1 CI 1 1 2 2 CI 2 3 4 3 CI 3 5 6 4 CI 4 7 8 5 CI 5 9 10 6 CI 6 11 12 7 CI 7 13 14 8 CI 8 15 16 Point Point 5 6 7 8 Type CI5 CI6 CI7 CI8 Point 1 2 3 4 Type CI1 C...

Page 24: ...night change over Fixed defrost times Saving of alarm log in case of power failure Saving of temperature log in case of power failure Connection The module is provided with plug connection Placing Th...

Page 25: ...The extension module is connected to the controller module via a cable with plug connections You have to use one cable per module The cable is supplied in various lengths Both types of display with or...

Page 26: ...roller Supply voltage 230 V a c or 115 V a c from 100 V a c to 240 V a c Placing On DIN rail Effect Type Output tension Output current Power AK PS 075 24 V d c 0 75 A 18 VA AK PS 150 24 V d c adjustab...

Page 27: ...AK LM 330 RS8FR302 Danfoss 2015 08 27...

Page 28: ...hat the need for connections can be established Functions Clock function Clock function and change over between summer time and winter time are contained in the controller The clock is zeroset when th...

Page 29: ...dule s terminal board where there is both a 5 V supply and a 12 V supply When programming the pressure transmitter s pressure range must be set ON OFF voltage inputs DI This signal must be connected t...

Page 30: ...the controller module If not can they be obtained by changing an ON OFF input signal from voltage signal to contact signal or will an extension module be required 6 Decide which extension modules are...

Page 31: ...y times x Voltage signal Number 5 Scaling of read out signal for ex 0 10 V 0 100 humidity x Cutin and Cutout values for relay x Alarm limits and delay times x Delay times on cutin and cutout of relays...

Page 32: ...eset the alarm relay mute function Pulse inputs Energy reading Synchronisation On off outputs Relay outputs Thermostat functions 1 10 Voltage signals 1 5 Pressostat functions 1 5 Digital input functio...

Page 33: ...larm relay Pulse inputs Energy measurement 1 4 1 Synchronizing signal On off outputs Relays for thermostat functions 1 10 1 Relays for voltage signals 1 5 1 Relays for pressostat functions 1 5 1 Relay...

Page 34: ...d the controller will all the time check whether there is connection to the connected modules This status can be followed by the light emitting diode When the two catches for the DIN rail mounting are...

Page 35: ...y look like a separate module But it isn t Columns 1 2 3 and 5 are used for the programming Columns 2 and 4 are used for the connection diagram Signal Module Point Terminal Signal type Active at Air t...

Page 36: ...AK LM 330 11 Connection diagram Drawings of the individual modules may be ordered from Danfoss Format dwg and dxf You may then yourself write the module number in the circle and draw the individual co...

Page 37: ...The 24 V must not be shared by other controllers or units The analog inputs and outputs are not galvanically separated from the supply The and 24V input must not be earthed Transformer size The power...

Page 38: ...x Type Function Application Code no Example continued Operation AK ST 500 Software for operation of AK controllers AK operation 080Z0161 x Cable between PC and AK controller AK Com port 080Z0262 x Cab...

Page 39: ...ribes how the controller Is fitted Is connected We have decided to work on the basis of the example we went through previously i e the following modules AK LM 330 Monitoring unit AK XM 102B digital in...

Page 40: ...embly 2 Assemble the extension module and the basic module The basic module must not be connected to voltage When the two snap catches for the DIN rail mounting are in the open position the module can...

Page 41: ...8 AI 8 19 20 9 AI 9 21 22 Pressure measurement Paux1 to 12 bar 10 AI 10 23 24 AKS 32R 12 Pressure measurement Paux2 to 34 bar 11 AI 11 25 26 AKS 32R 34 12 DO 1 31 32 13 DO 2 33 34 14 DO 3 35 36 15 DO...

Page 42: ...and activate the Service Pin When the controller is set correct on the network the LED sta tus will flash quickly for 10 minutes 6 The controller is now ready to be configured Power Comm DO1 Status DO...

Page 43: ...n describes how the controller Is configured Is operated We have decided to work on the basis of the example we went through previously i e temperature monitoring pressure monitoring monitoring of 230...

Page 44: ...Saux1 Temperature reading Saux2 and one 230 V signal for activation during defrosting so that the alarm delay is postponed DI1 and one 230 V signal detecting that the appliance is not in operation DI2...

Page 45: ...w of it will always appear In this case the overview is empty This is because the controller has not yet been set up The red alarm bell at the bottom right tells you that there is an active alarm in t...

Page 46: ...isor for the specific system and a corresponding access code for this person The controller will utilize the same language that is selected in the service tool but only if the controller contains this...

Page 47: ...ation lock can be Unlocked Configuration lock The controller can only be fully configured when the configuration lock is set to Un locked The settings are only applied when it is set to Locked again A...

Page 48: ...e that alarm text should be displayed in here Alarm text can be in a different language to the operating language Clock When the time is set the PC s time can be transferred to the controller When the...

Page 49: ...number When a number is selected for the four settings above the same number of relays are automatically reserved The connections for the respective functions then need to be defined under I O settin...

Page 50: ...concerned For thermostats it is the tempera ture reading after calibration For pressostats it is the pressure reading after calibration For On Off signals it is the current alarm s status the input s...

Page 51: ...the controller s digital input functions by keying in which module and point on this module each one of these has been con nected to We furthermore select for each output whether the function is to be...

Page 52: ...34 Bar AKS 32R 1 34 Bar AKS 32 1 50 Bar AKS 32R 1 50 Bar AKS 2050 1 59 Bar AKS 2050 1 99 Bar AKS 2050 1 159 Bar User defined only ratio metric The min and max values of the pressure interval must be s...

Page 53: ...ected Your choice of functions and settings has connected all the relevant alarms that are current They will be shown with text in the three pictures All alarms that can occur can be set for a given o...

Page 54: ...54 RS8FR302 Danfoss 2015 08 AK LM 330 5 Set alarm priorities for General alarms Configuration continued In our example we select the settings shown here in the display...

Page 55: ...s at the bottom of the pages the ones that can only be seen via the Scroll bar When this function is set to YES a relay will be reserved which couples with the thermostat Definition of the connection...

Page 56: ...ct voltage signals 11 Overview for voltage signals Check of settings contiuned When this function is set to YES a relay will be reserved which couples with the pressostat Definition of the connection...

Page 57: ...that will be presented when the input signal is at its maximum e g 10 V Cut in and cut out values and alarm settings refer to the scaled values When this function is set to YES a relay will be reserv...

Page 58: ...m3 when measuring gas Also define How many pulses are to be received for each unit of measure Any necessary scaling Any reset or other start value of the display The measurement can be monitored in th...

Page 59: ...of selected func tions and define inputs and outputs The result can be seen in the next section where the setup is controlled Configuration continued Press in the field against Configuration lock Sel...

Page 60: ...exist The selected point number on the selected mod ule had been set up for something different The error is corrected by setting up the output correctly Remember that the setup must be unlocked be f...

Page 61: ...hecked whether the output has been correctly connected AUTO The output is controlled by the controller MAN OFF The output is forced to pos OFF MAN ON The output is forced to pos ON Activate the variou...

Page 62: ...row of the two other address switches must point at 0 2 Push the Service Pin Press down the service pin and keep it down until the Service Pin LED lights up 3 Wait for answer from the system unit Depe...

Page 63: ...remove cancelled alarms from the alarm list 5 Check active alarm again In our case we have a series of alarms We will tidy them up so that we only have those that are relevant In our case an active al...

Page 64: ...e display 2 Start control First start of control continued Press in the field against Main switch Select ON Press OK The controller will now start controlling when the external switch also are activat...

Page 65: ...the following The log function requires that the clock function is set Even a minor power failure will stop the clock If you want to ensure that the clock is always set the controller must either be i...

Page 66: ...Here is the survey of all the parameters that are collected in the log If a parameter has to be removed from the log collection you must select the parameter and then press Remove If a parameter has...

Page 67: ...AK LM 330 RS8FR302 Danfoss 2015 08 67 5 Regulating functions This section describes how the different functions work...

Page 68: ...ns Name Sensor signal Display of the current reading Selection of relay function Setting the cut out value for relays Setting the cut in value for relays Selection of the input signal that changes to...

Page 69: ...the voltage readings V1 V2 V3 etc The following signals can be received 0 5 V 1 5 V 0 10 V 2 10 V A current signal can also be detected if external resistances are placed on the input so that the sign...

Page 70: ...eters measure an element of consumption It might be interesting to know for example the freezer department s energy consumption Measurement intervals for synchronisation are set jointly for all energy...

Page 71: ...Interrupted results in no action Miscellaneous Alarm relay If the controller must give an alarm on a relay output the relay must be defined 2 relays can be defined One which is active at alarms with...

Page 72: ...from a display This display must be of display type EKA 163B or EKA 164B Up to four displays per controller can be fitted Connection is effected by means of wires with plug connectors The display can...

Page 73: ...ssostat 1 Pressure measurement pressostat 2 Pressure measurement pressostat 3 Pressure measurement pressostat 4 Pressure measurement pressostat 5 u16 u17 u18 u19 u20 u21 u22 u23 u24 u25 u26 u27 u28 u2...

Page 74: ...e conditions can give rise to malfunctions of the control system and ultimately lead to a plant breakdown Every possible safeguard is incorporated into our products to prevent this However a wrong ins...

Page 75: ...X High alarm The voltage signal has been above the high alarm limit for longer time than set delay DI X alarm input X 1 16 Medium DI X alarm Alarm on general alarm input DI x System alarms The alarm...

Page 76: ...DI2 AL 2 8 Saux1 Saux2 DI1 DI2 DI3 DI4 DI5 DI6 DI7 DI8 Th1 Th2 DI1 AL DI2 AL DI3 AL DI4 AL 4 5 2 Saux1 Saux2 Saux3 Saux4 Paux1 Paux2 DI1 DI2 DI3 DI4 DI5 Th1 Th2 Th3 Th4 P1 P2 5 2 2 2 Saux1 Saux2 Saux...

Page 77: ...DI1 AL Hi AL 5 5 P2 Hi AL 6 6 P2 Hi AL DI1 DI2 DI3 DI4 DI5 DI6 DI7 DI8 7 7 Th7 Hi AL Cl1 Cl2 Synch Al Mute 8 8 DI1 AL Hi AL Cl1 Cl2 Synch Al Mute 9 9 DI3 AL Hi AL Cl1 Cl2 Synch Al Mute 10 10 DI5 AL Hi...

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Page 80: ...s the right to alter its products without notice This also applies to products already on order provided that such alternations can be made without subsequential changes being necessary in specificati...