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Firmware V1.41 V1

08.11.2022

152/219

Type

Photo

Function

Part number

Modbus analogue module

4 analogue outputs
0..10 V DC

MODBAOUT02

Power
supply

-

230 V AC / 

24 V DC, 1.3 A

KGLNT24V1P

Connection of Modbus modules to the basic module and the power supply

Modbus modules can be connected to the RS485 interface of the basic module to increase the inputs / outputs.

e

Configuration of the Modbus modules

Terminal assignment of the Modbus analogue module

Terminal No.

Function (0..10 V)

No.

MR-AO4

1

1
C2

FC Medium pressure compressor

 

+0..10 V
GND

2

2
C2

FC Fan

+0..10 V
GND

* Note: 

A terminating resistor of 100 Ohm 

must

 be installed at the end of the Modbus cable 

(drawing on the left, part number KGLCANTERM).

The Modbus modules are set with 

parity = even

 and 

bit rate of 19200 bit/s

 at the factory. See 

description of the Modbus modules for details.

Содержание VS 3015 CT

Страница 1: ...Firmware V1 41 V1 08 11 2022 Doku 1 8 Operating instruction VS 3015 CT Pack Controller for transcritical CO2 systems...

Страница 2: ...on line in E EDP Eckelmann Electronic Documentation Platform at www eckelmann de elds You reach all relevant documents for this component directly using the QR code https edp eckelmann de edp lds _06...

Страница 3: ...ned control 20 5 3 Configuration of the pressure transmitters 21 5 3 1 Low Pressure Transmitter Z2 LP Z2 22 5 4 Low Pressure Regulation 22 5 4 1 Control Algorithm for LP Control 23 5 4 2 Control Algor...

Страница 4: ...Control Algorithm tG with Step Controller 62 5 6 5 1 Switching Times for Fan Motors with Step Controller 62 5 6 5 2 Fan Motors Star Delta Switching 64 5 6 5 3 Parametrisation of the Switching Modes 64...

Страница 5: ...High Pressure Monitoring 98 5 12 4 1 High Pressure Monitoring Too High 98 5 12 4 2 High Pressure Monitoring Too Low 99 5 12 4 3 Monitoring of the HP Valve 99 5 12 4 4 Monitoring of the HP Control Err...

Страница 6: ...of the internal SIOX using jumper J2 121 6 2 6 Factory Setting of Analogue In and Outputs 121 6 2 7 Power Supply 122 6 2 7 1 Status LEDs 122 6 3 Default parameter settings 123 6 4 Start Up of Speed C...

Страница 7: ...Control 165 9 2 2 2 CI 3x00 Store Computer AL 300 Operator Terminal Remote Control 165 9 2 3 Deactivating the Input Lock 166 9 2 3 1 CI 4x00 System Centre Log In and Log Out 166 9 2 3 2 CI 3x00 Store...

Страница 8: ...s 213 13 Technical Data VS 3015 CT SIOX 216 13 1 Electrical Data VS 3015 CT SIOX 216 13 2 Mechanical Data VS 3015 CT 217 13 3 Mechanical Data SIOX Extension Module 218 14 Part Numbers and Accessories...

Страница 9: ...evere injury or death if the specified instructions are not observed WARNING Instructions with this symbol and or the signal word WARNING warn the user of situations that may cause severe injury or de...

Страница 10: ...of text formatting Safety instructions or hazard warnings are composed of four elements The symbol with text e g for DANGER a concise description of the hazard and a description of the possible conseq...

Страница 11: ...r it is suitable for your application with regard to its limit values The equipment must be installed in an electrically shielded area within the switch cabinet Before connecting the device it must be...

Страница 12: ...such persons The applicable regulations e g DIN EN 60204 EN 50178 DGUV Regulation 3 DIN VDE 0100 0113 must be observed The operating personnel must be instructed in how to handle the system machine an...

Страница 13: ...isconnect The entire system to be worked on must be disconnected from the power supply at all poles 2 Secure against reconnection Attach information signs to the disconnected operating equipment stati...

Страница 14: ...ng Conductive flooring ESD workstations equipped with suitable tools grounded soldering guns antistatic wrist straps etc Conductive ESD bags conductive plastic containers IC tubes or cartons lined wit...

Страница 15: ...xtension module 1 8 NT MP compressors 3 LT compressors up to 12 fans via Modbus or 4 fans via relays VS 3015 CT Basic Module and one SIOX Ejector A separate SIOX extension module is required to contro...

Страница 16: ...LDS system RS232 E LDS system communication with building management system and firmware update possibility RS485 with integrated 120 ohm resistor for control of the Modbus analogue module with four...

Страница 17: ...Firmware V1 41 V1 08 11 2022 17 219 4 VS 3015 CT Functions The functions in the CO2 booster system can be shown schematically as follows...

Страница 18: ...ion module is required The number of compressor capacity stages is then reduced to 3 or 6 Fan control step controller for one circuit systems for control via Modbus with max 12 fans 3 6 fans with sepa...

Страница 19: ...t out compressors fans Compressor high pressure limiter Cylinder head temperature Low pressure regulation Medium pressure regulation High pressure regulation Compressor switching frequency Superheat d...

Страница 20: ...Switch off controller for 5 seconds and then switch on again Put coding switch 2 of the DIP switch S1 back in the original position Switch off controller and switch on again Restore the configuration...

Страница 21: ...ler operates with continuous pressure transmitters with linear characteristic curves The pressure inputs can be adjusted for various transmitters with linear characteristic curves Transmitters with bo...

Страница 22: ...suction gas temperature of the LT circuit Z2 circuit a pressure transmitter with a measuring range from 1 to 26 bar must be connected to the analogue input 3 terminals 41 42 of the controller The fun...

Страница 23: ...ansmitter with continuous current 4 20 mA or voltage 0 10 V output 5 4 1 Control Algorithm for LP Control The cycle time of the controller is one second The control algorithm depends on the type of co...

Страница 24: ...tpoint value plus 1 5 times the NZ and greater than the setpoint value plus 0 5 times the NZ no compressor actuation occurs as it is to be expected that the NZ will shortly be reached D No compressor...

Страница 25: ...one step controller day operation 1 10 4 K 3 2 1 4 Neutral Zone Neutral zone step controller night operation 1 10 4 K 5 4 2 2 Compressor Switching Times for Compressor Step Regulation On the one hand...

Страница 26: ...t stage 5 4 3 Control Algorithm with LP Combined Control The measured low pressure measured using an A D converter is compared with the setpoint Control error Actual value t0_act Setpoint t0_setp Depe...

Страница 27: ...imum speed the fixed speed compressor with the longest operating time is unloaded The speed controlled compressor is accelerated to a value which corresponds to the capacity with the additional fixed...

Страница 28: ...ined control of capacity controlled fixed speed compressors a single stage speed controlled compressor is combined with one or more capacity controlled fixed speed compressors Using an adjustment of t...

Страница 29: ...es in the circuit is equal to three the second and third relay stages terminals 23 24 and terminals 33 34 are assigned to the FC compressor These capacity stages that are assigned to the FC compressor...

Страница 30: ...um FC speed output by the controller is set here This must be selected to be greater than or equal to the minimum frequency to be output by the FC The parameter Min speed has no function for this oper...

Страница 31: ...es of the compressor stages and on the other hand to optimally introduce the pack output temporal and control action for the required refrigeration capacity Switching of fixed speed compressors is onl...

Страница 32: ...for step controllers and combined control was previously designed so that all compressors in the pack have the same output Now a percentage output can be assigned to each of the compressors Backgroun...

Страница 33: ...is set to YES The following points must be observed Input of the percentage proportion between 5 100 The total capacity of all compressors must not exceed 100 any input sum of more than 100 is not pos...

Страница 34: ...or Calculated proportion of total flow volume Recorded proportion in menu 3 2 1 1 Compressor outputs and their proportions of the total flow volume 1 12 0 m h 16 39 16 4 2 17 8 m h 24 32 24 3 3 17 8 m...

Страница 35: ...perature is provided here either by a Pt1000 temperature sensor that is connected directly to the analogue input terminals 5 6 7 8 of the pack controller or provided via the CAN bus from another pack...

Страница 36: ...LoadLevel menu 3 2 1 2 is exceeded on at least one of the associated refrigeration points for the pack it can be assumed that it is no longer possible to reliably maintain the temperature at this thes...

Страница 37: ...sk ext to Sch is output If the offset is set to zero no message is output The default value for the signal is Prio 2 If the t0 shift via an external 0 10 volts signal is active the t0 setpoint is calc...

Страница 38: ...led due to load shedding are taken into account for the base load rotation The number of running compressor stages is not changed during the base load rotation The base load rotation is only active un...

Страница 39: ...oad cut out or oil pressure switch for the speed controlled compressor C1 or C2 any base load rotation is only performed once on the still available fixed speed compressors No base load rotation is pe...

Страница 40: ...d shedding and is used for reduction of the network load in the case of any failure of the power supply e g operation of the store using an emergency power generator If the emergency power mode is act...

Страница 41: ...ve The valve is actuated using an 0 10 V signal via the analogue output 3 terminals 57 58 The control variable high pressure pc is measured using a continuous pressure transmitter with linear characte...

Страница 42: ...ulated in the dead band or this retains the last calculated value 0 0 3 0 0 5 bar VC ramp s Ramp speed of the control signal for the HP valve limitation of the i component 0 04 1 00 0 16 V s HP Ramp m...

Страница 43: ...rst start up the HP valve can be actuated manually The parameter Man op must be set between 0 and 100 to the desired value of the HP valve for this If has been entered the opening degree is controlled...

Страница 44: ...determination of the HP setpoint in the subcritical range The supercooling can be set in menu 3 2 2 2 using the Subcooling parameter The following graph shows the progression of the high pressure setp...

Страница 45: ...n of the HP setpoint requires correct measurement of the gas cooler outlet temperature In the event of measurement errors e g EMC interference in the measuring cable etc see also the instructions in c...

Страница 46: ...Firmware V1 41 V1 08 11 2022 46 219...

Страница 47: ...der MP accumulator The system design in the ejector version makes it possible to significantly reduce the superheating of the refrigerant at the evaporator outlet of the NT evaporators In addition to...

Страница 48: ...s 3 2 2 4 Switch Delta Switch Delta for exceeding the limit for switching the ejector stages 0 10 0 3 2 2 4 Switch Slope Ramp speed for the switching process from large HP valve to small HP valve in...

Страница 49: ...compressor Y N N 3 2 2 4 Oil Return Activation of the oil return function Y N Y 3 2 2 4 Dur Oil return Oil return time only visible if Acc Level Ctrl is set to YES 1 360 30 sec 3 2 2 4 Interval Interv...

Страница 50: ...not fallen again due to the previously switched on ejector Evacuation mode The evacuation mode is activated when the accumulator level reaches the second highest level switch to empty the accumulator...

Страница 51: ...1 Gas ejectors Operating mode Thresholds In the Thresholds operating mode the gas ejector stages are switched on and off when the control value of the small high pressure valve exceeds or falls below...

Страница 52: ...Firmware V1 41 V1 08 11 2022 52 219 Number of gas ejectors 3 ejectors have the same size YES...

Страница 53: ...he ejectors already switched on corresponds to the global opening degree of the high pressure valve exceeds or falls below the size of the next ejector stage by the differential value parameter Switch...

Страница 54: ...the remaining liquid ejector stages are switched on after the waiting time has elapsed parameter Waiting time LE ON Number of liquid ejectors 3 number of accumulator sensors n max 4 Operating mode Hig...

Страница 55: ...ing fixed speed fans and using a speed controlled fan The type of control can be set using the system centre the operator terminal or the LDSWin PC software Using the system centre or the operator ter...

Страница 56: ...SIOX are then available for other functions Example Control of 12 ebm papst fans in two row gas cooler packages A as compared with 4 fans that are controlled via relays B here the basic module with 1...

Страница 57: ...e of the individual fans in the gas cooler package in ascending order according to their serial numbers As the fans in the gas cooler package have a fixed physical position their switching sequence as...

Страница 58: ...13 Switching order 4 becomes 2 5 SN JJWW000105 Modbus address 14 Switching order 5 becomes 3 6 SN JJWW000106 Modbus address 15 Switching order 6 becomes 3 7 SN JJWW000107 Modbus address 16 Switching...

Страница 59: ...is set in menu 3 7 At the same time a second message is output in which an error status is transmitted This message is structured as follows Example message F yy A zz xxxxxxxx F fan yy switching orde...

Страница 60: ...ned and a message is output This state is not permissible the fan must be disconnected from the power supply otherwise it will run with 80 of its capacity in emergency operation 0 fan is removed from...

Страница 61: ...ss valve If the gas cooler of the refrigeration pack system can be bypassed using a gas cooler bypass valve 3 way valve the gas cooler temperature sensors tgk1 and tgk2 are positioned at different loc...

Страница 62: ...r is withdrawn when the setpoint has been undercut and the speed Min speed starts with Min speed Offset The enable for the speed controller is withdrawn when the setpoint is undercut and the speed Min...

Страница 63: ...time and variable switch on time While the control error is greater than 1 5 times the neutral zone the maximum switch on delay remains limited to 30 seconds If the control error is smaller than 1 5...

Страница 64: ...the second half of the outputs actuates the delta operation G high speed A maximum of 6 fans can be controlled KKKG The fan motors are loaded or unloaded with all except the last relay stage With the...

Страница 65: ...h speed delta operation When shifting down the capacity stages both fan outputs star and delta outputs are unloaded simultaneously The low speed is loaded again after a configurable time delay The fol...

Страница 66: ...low speed Fans 1 2 low speed Fan 3 OFF Fan 1 low speed Fans 2 and 3 OFF All fans OFF The time delay for the switching from delta to star operation can be set using the parameter Del slow speed menu 3...

Страница 67: ...er 1 Inactive speed controller enable for Min Speed 0 Function power supply bridging when tg Max and or tg Max WRG is exceeded The mains power operation is activated if the pressure has reached a spec...

Страница 68: ...the controller A speed setpoint depending on the control error is calculated by a PI control algorithm which is activated on the speed controller via an analogue output 0 10 V The input signal for th...

Страница 69: ...um speed 0 of the speed controller has been input using the parameter Min Drehzahl menu 3 2 2 1 the speed is reduced after a configurable time parameter B unlo T F1 menu 3 2 2 2 c to 0 using a ramp an...

Страница 70: ...ositive control error the speed controller is enabled via the first capacity stage of the controller A speed setpoint depending on the control error is calculated by a PI control algorithm which is ac...

Страница 71: ...meter Min Speed menu 3 2 2 1 the speed is reduced after a configurable time parameter B unlo T Fan 1 to 0 using a ramp and the fan output S1 is switched off Switching back from mains power operation t...

Страница 72: ...1 2 3 4 or via the CAN bus from another pack controller in the system tG tG setpoint tG_max maximum tG setpoint tG_min maximum tG setpoint ta current outdoor temperature ta_max max outdoor temperature...

Страница 73: ...used for switching to mains power operation In HRC mode the parameter tg Max HRC is used for this If HRC mode is active switching to mains power operation only takes place when the limit value tg Max...

Страница 74: ...e kickstart and the next is implemented The kickstart is only performed for fault free motor cut out and enabled fans System Configuration menu 3 1 Control modes with an FC are executed at minimum spe...

Страница 75: ...opening degree is determined using the PI controller Manual mode is reserved for test and service purposes and is not stored in the controller memory i e after a power failure controlled operation is...

Страница 76: ...meter Description Input Defa ult Dim 3 2 3 MP Max Upper limit for MP HPV will be closed if exceeded 10 60 38 bar 3 2 3 dPm HP V Close P range for forced closing of the HPV in the case of exceeding the...

Страница 77: ...ompressors Instead of conveying the refrigerant via a medium pressure valve from the medium pressure side to the intake side of the HP compressor it is more energy efficient with MP compressors to pum...

Страница 78: ...MP compressor the MP compressors are controlled as combined control the first MP compressor is controlled with a frequency converter and the input signal for the frequency converter is calculated usi...

Страница 79: ...ompressors Regulation No Parameter Menu Input Default Dim Description 1 Combined control 3 2 5 1 Combined control The following types of control are set here 1 step controller 2 combined control 2 p f...

Страница 80: ...of capacity stages is adjusted according to the set Anz Verd Times can be set for maximum 2 stages 15 Basic unload time 3 2 5 2 3 250 S1 250 sec S2 250 sec s Basic time for unloading of the parallel c...

Страница 81: ...alled if the cylinder temperature exceeds the set value Attention Cylinder head temperature sensors of the parallel compressors start directly after cylinder head temperature sensors of the NT compres...

Страница 82: ...s water Air conditioning What this means for the refrigeration pack system and pack controller The heat on the high pressure side is discharged through heat exchangers As a result the utilisation of t...

Страница 83: ...can have different behaviour in HRC mode HP setpoint HP valve regulation tG setpoint gas cooler outlet temperature regulation t0 setpoint low pressure regulation HP setpoint In controlled operation th...

Страница 84: ...ered using the parameter HP Max HRC is used tG setpoint In HRC mode the setpoint for the regulation of the gas cooler outlet temperature can be specified as in normal operation or a fixed setpoint con...

Страница 85: ...mode after the last deactivation Safety function against continuous activation and deactivation of the HR mode due to cycling request signal at the digital input or on the CAN bus 4 Verz St r WRG 3 2...

Страница 86: ...transmitted via the CAN bus 13 to Min 3 2 2 3 50 10 C Minimum value for the to setpoint shift via temperature outside or CAN bus in HR mode The parameter is visible if the parameter to Schieb WRG is c...

Страница 87: ...V1 08 11 2022 87 219 No Parameter Menu Entry Default Dim Description 20 Gask Drehz WP 3 2 2 3 0 100 Speed specification in HR mode when the heat pump is active gas cooler 100 bypassed For this functio...

Страница 88: ...setting up refrigeration systems a distinction is made between normal and booster operation modes In normal operation the refrigeration circuits of different evaporator levels are operated in complet...

Страница 89: ...he LT compressor control menu 3 2 6 parameter TK Freigabe set to Y Features of the LT compressor circuit Function Significance for the LT compressor circuit Setpoint toggle The toggle setpoint is perf...

Страница 90: ...on of the FC actuating signal is performed using the PI controller Refer to the following table for the parameters for the configuration of the PI controller The setpoint for t0 can be configured sepa...

Страница 91: ...tante XX K Max control error for variable switching times 1 15 2 K Standzeit S1 Minimum standstill time of the LT compressor with FC after shutdown 10 360 120 sec 5 10 3 LT compressor monitoring The f...

Страница 92: ...ediately without taking their switch off times into account Parameters for monitoring of the LT compressors Menu Parameter Description Value range Default Dim 3 2 6 Motorsch Verd Enable for the motor...

Страница 93: ...of the digital inputs 230 V AC 5 12 Monitoring In addition to control and regulation functions the following monitoring functions are integrated in the controller Safety chain Oil differential pressu...

Страница 94: ...re selected signal priority is not sent and registered in the message memory until the delay time has elapsed However in order to ensure that any compressor HP fault is registered in the message list...

Страница 95: ...ut available using menu 3 1 If the motor overload cut out is deactivated the parameter Motor protect Y N is not displayed and not evaluated The parameter Motor protect is activated at the factory For...

Страница 96: ...nu 3 4 If the upper maximum value is exceeded the associated compressor is switched off and disabled for the following control processes after expiry of a configurable time delay menu 3 4 Comp temp de...

Страница 97: ...rated in combined control the frequency converter is always enabled with the first compressor relay stage and the motor of the first compressor is controlled The following relay stage s is are used fo...

Страница 98: ...omp up to 40 of the compressor output stages are disabled stage by stage until the pressure has dropped to a level below the limit value If all the compressors are switched on the first compressor is...

Страница 99: ...gnal is not output in the case of measuring circuit errors of the HP transmitter The HP too low signal has no effects on the control and regulation processes 5 12 4 3 Monitoring of the HP Valve If the...

Страница 100: ...loaded in the event of any medium pressure fault In the event of exceeding MP Off Comp there is an immediate step down to the specified number of compressors no return If the parameter Nr Comp MP Al i...

Страница 101: ...an error message is logged in the fault memory The message is transmitted according to preselected priority The fan is enabled for the control when the contact is closed For some types of system the...

Страница 102: ...e reached using the menu 3 3 Continuous control of a compressed gas cooler With a continuous control of the compressed gas cooler the superheat can be controlled even more precisely in addition to the...

Страница 103: ...erature alternatively cylinder head temperature exceeds a configurable threshold value In order to prevent cycling of the valve hysteresis is provided difference downward from threshold value configur...

Страница 104: ...rature Pt1000 input 9 terminals 25 26 SGI cyl head 3 3 50 180 C Threshold value for the enable of the valve for suction gas injection depending on the cylinder head temperature SGI difference 3 3 1 20...

Страница 105: ...efault in the case of any measuring circuit error tgk1 is used see chapter Temperature sensors for regulation should be in a specific range during normal operation of the system Two limit values are u...

Страница 106: ...n be switched on For example if the switching frequency is 10 switching operations per hour a compressor can be switched on at the earliest every 6 minutes Monitoring of the switching frequency The sw...

Страница 107: ...Refrigerant Fill Level A rupture disk can be monitored using the digital input 22 terminals 92 93 of the controller or the maximum fill level of the refrigerant can be monitored via an additional leve...

Страница 108: ...ts Neutral zone Control constant Switching times Humidity shift Gas cooler control maximum speed 5 14 Ambient Data for Setpoint Switching The factors used for the setpoint switching menu 3 1 room temp...

Страница 109: ...controlled via the pack controller relay outputs The spray system can be configured in menu 3 2 5 The control of the spray system can be activated and deactivated using the parameter Spray System The...

Страница 110: ...ain If the gas cooler outlet temperature falls below the switch on value S1 minus the specified hysteresis the first stage is switched off again As long as one stage of the spray system is switched on...

Страница 111: ...linder head temperature sensor connection to the corresponding Pt1000 inputs 5 17 2 COP Optimisation Only for combined control where parameter M com out reg No see menu 3 2 1 1 The efficiency of the s...

Страница 112: ...ation of the pack are recorded daily and stored with date menu 6 2 The data are archived in the pack controller for a period of 32 days and the display is shown in hours and minutes The switch on rate...

Страница 113: ...is not authorised Furthermore it must be noted that the safety of the system or the installation in which the device is integrated is the responsibility of the creator of the system or installation If...

Страница 114: ...of the SIOX extension module for ejector operation 4 Activation of ebm papst fans 5 Not used 6 and 7 Firmware update mode For details see chapter Default settings using S1 2 CAN bus address selector...

Страница 115: ...ly cables and SIOX data cables see chapter Connector Pin Assignment for CAN Bus SIOX and Interfaces 6 2 1 1 Connecting the SIOX Modules to the Pack Controller The individual SIOX extension modules are...

Страница 116: ...t be routed in the immediate proximity of high voltage or high frequency cables When routing the cables care must be taken to ensure that the minimum bending radius is complied with and that the cable...

Страница 117: ...wer supply cables if necessary 6 2 2 Default settings using S1 Coding switch 1 setting DIP switch S1 coding switch 1 is not used DIP switch S1 Coding switch 1 Switch positions Pack type ON Not used OF...

Страница 118: ...eration No ejector support Coding switch 4 setting DIP switch S1 coding switch 4 activates the control of the ebm papst fans via the Modbus DIP switch S1 Coding switch 4 Switch positions ON Control of...

Страница 119: ...ee chapter Connector Pin Assignment for CAN Bus SIOX and Interfaces ATTENTION DIP switch S1 coding switches 6 and 7 may only be set to OFF for firmware update purposes In this state the controller wai...

Страница 120: ...Firmware V1 41 V1 08 11 2022 120 219 No Function 1 2 3 4 SHIELD GROUND green CAN LOW brown CAN HIGH white...

Страница 121: ...and Outputs The analogue inputs and outputs are configured as follows at the factory Analogue inputs 1 5 and 7 4 20 mA Analogue input 6 0 10 V Analogue outputs 1 4 0 10 V ATTENTION Reconfiguration of...

Страница 122: ...IFE LED flashes for approximately 5 seconds after switching on For more details see chapter Status LEDs 6 2 7 1 Status LEDs DANGER Warning of dangerous electrical voltage Danger of electric shock BEFO...

Страница 123: ...rd 5 LIFE green LED top Flashing Active lamp controller is supplied with power processor is running Off Power supply interrupted or device defective 6 POWER green LED bottom On Power supply OK Off Pow...

Страница 124: ...V signal No comps number of compressor stages No cap stages number of capacity stages No cond stages number of condenser capacity stages Menu 3 3 Compressor monitoring t0 Comp OFF t0 limit value for...

Страница 125: ...e inputs and outputs are sensitive to external supply and reverse polarity When connecting the pack controller to the control input of the FC speed controller the correct polarity must be strictly ens...

Страница 126: ...mpressor or condenser control In the case of compressor combined control or fan speed control the fault signal outputs of the frequency converters speed controllers can be monitored For NT compressors...

Страница 127: ...n is used which always follows the last used motor protection input For this type of control the message text for this input is automatically set to Speed controller HP Example number of fans n 3 Numb...

Страница 128: ...5 56 The 0 10 V signal for the speed of the LT compressors is output via analogue output 1 of the basic module terminals 53 54 The 0 10 V signal for the speed of the parallel compressors MP compressor...

Страница 129: ...power supply bridging is set instead B For fan combined control The relay output n 1 of the fan stages is used for bypassing the FC speed controller for fan combined control If the configurable tempe...

Страница 130: ...xed speed compressors Compressor 1 and compressor 2 are alternately switched to the frequency converter for this using the configurable cycle time for the base load rotation The base load rotation of...

Страница 131: ...ntroller and swap to RS485 if necessary b Note serial numbers of the fans and desired switching order 2 Modbus fan control activation a Switch on DIP switch 4 ON Modbus fan control activation Backup s...

Страница 132: ...onfigured in the Switching Order menu For two row condenser gas cooler a number can also be allocated twice 3 Repeat in the case of error Proceed as follows if not all or no fans have been detected a...

Страница 133: ...6 Battery Replacement No battery replacement for the controller by the user is envisaged as the battery service life is designed for greater than 10 years If the battery voltage message is displayed...

Страница 134: ...nto a safe state as the shutdown of the controller during the firmware update can have undesired effects on the system component and or the system Caution data loss When changing the firmware version...

Страница 135: ...The following steps must be strictly performed and observed during the firmware update 1 Strictly disconnect controller from the mains power supply there must be absence of voltage 2 Set DIP switch S...

Страница 136: ...9 The following screen opens 7 Press Enter RETURN key The following screen opens 8 Now switch on the controller again Then start the download by pressing the Enter RETURN key The bar at the bottom ind...

Страница 137: ...ller must be disconnected from the power supply for a short time after the firmware update ATTENTION In normal operation the coding switches 6 and 7 of the DIP switch S1 are always in the ON position...

Страница 138: ...s on the basic module and the SIOX extension modules All connection cables from and to the controller with the exception of the digital inputs and the relay outputs must be shielded Otherwise malfunct...

Страница 139: ...onnector Pin Assingments After connection of the power supply the LIFE LED flashes see chapter Status LEDs DANGER Warning of dangerous electrical voltage Danger of electric shock BEFORE connecting and...

Страница 140: ...age Danger of electric shock BEFORE connecting and disconnecting it must be ensured that no voltage is present at all connections of the controller Wiring of the digital inputs All digital inputs of t...

Страница 141: ...al block upper right at the back Terminal No Function Basic module N L PE 230 V AC power supply SUPPLY Neutral conductor phase 230 V AC PE ground conductor DANGER Warning of dangerous electrical volta...

Страница 142: ...ned and easily accessible for the user and c must be labelled as a disconnecting device for the equipment 7 2 2 Terminal assignment of the 230 V AC digital inputs Connection On the basic module termin...

Страница 143: ...or overload cutout compressor 3 LT MP motor overload cutout compressor 4 2 4 6 8 52 53 56 57 60 61 64 65 LT MP motor overload cutout compressor 5 LT MP motor overload cutout compressor 6 LT MP motor o...

Страница 144: ...When HP combined control is active the digital inputs of the motor overload cutouts for the condenser fans can be used for monitoring the HP speed controller For parallel or stages combined control th...

Страница 145: ...ay outputs Connection On the SIOX extension module terminal block upper left 8 relay outputs DANGER Warning about dangerous electrical voltage Danger of electric shock BEFORE connecting and disconnect...

Страница 146: ...X ejector 1 2 3 4 5 6 7 8 15 16 18 25 26 28 35 36 38 45 46 48 13 14 23 24 33 34 43 44 Gas ejector 1 Gas ejector 2 Gas ejector 3 Gas ejector 4 Gas ejector 5 Liquid ejector 1 Gas ejector 6 Liquid ejecto...

Страница 147: ...system components e g pressure transmitters Furthermore this will destroy the controller ATTENTION Malfunction due to interference All supply lines from and to the controller with the exception of the...

Страница 148: ...36 37 Low pressure transmitter 24 V DC 4 20 mA GND 2 38 39 40 Retrieval of the high pressure valve HPV opening degree 24 V DC 4 20 mA GND 3 41 42 43 Low pressure transmitter Z2 24 V DC 4 20 mA GND 4 4...

Страница 149: ...l supply lines from and to the controller with the exception of the 230 V power supply and signal cables must be shielded cable type LiYCY This particularly applies for the analogue inputs and outputs...

Страница 150: ...only be performed when no voltage is present In the event of any mix up of the SIOX data cable RJ45 with an Ethernet network cable with PoE Power over Ethernet involved network devices can be damaged...

Страница 151: ...power supply cable GROUND of 9 V 9 V DC GROUND of 24 V 24 V DC SHIELD 7 2 6 1 Terminal assignment of the Modbus analogue module 0 10 V DC The controller can be extended in each case by 4 analogue out...

Страница 152: ...basic module to increase the inputs outputs e Configuration of the Modbus modules Terminal assignment of the Modbus analogue module Terminal No Function 0 10 V No MR AO4 1 1 C2 FC Medium pressure comp...

Страница 153: ...Default even Parity is even odd Parity is odd none No parity is set Screen 5 3 1 b Configuration of the baud rate MODBUS ID XXXXX Description Input Default Dim 9600 Baud rate is 9600 Bd 19200 Baud rat...

Страница 154: ...module to increase the inputs outputs Configuration of the Modbus modules Terminal assignment of the Modbus relay module Terminal No Function No MR DO4 1 11 C 14 N O 12 N C Valve for suction gas inje...

Страница 155: ...fault even Parity is even odd Parity is odd none No parity is set Screen 5 3 1 b Configuration of the baud rate MODBUS ID XXXXX Description Input Default Dim 9600 Baud rate is 9600 Bd 19200 Baud rate...

Страница 156: ...3 Rel Modul Diag Diagnostics menu for analysis of communication errors for the Metz modules MR DO4 MR DOA4 Menu 8 5 Service Mode Menu SERVICE ID XXXXX Description Input Default Dim 8 5 Modbus relays T...

Страница 157: ...ted equipment is controlled as the software envisages O Manual OFF If any switch is in the 0 position the controller registers the logical MANUAL OPERATION OFF state The connected equipment is not con...

Страница 158: ...ng additional symbols are displayed Display of the suction pressure trend Shows whether compressor capacity stages should be loaded unloaded or not switched after expiry of the delay times Display of...

Страница 159: ...Firmware V1 41 V1 08 11 2022 159 219 Display of the setpoint characteristic...

Страница 160: ...rminal The controller can be operated remotely e g from the machine room using the system centre a store computer or an operator terminal The communication with the controller is performed via the CAN...

Страница 161: ...and CI 3x00 AL 300 1 CI 4x00 Alarms and messages button in the main menu for display of whether alarms are pending Alarms are acknowledged in the alarm list CI 3x00 AL 300 red LED signal lamps to ind...

Страница 162: ...he E LDS component is called by entering the digits or selection of 3 1 2 via the remote control in the system centre store computer operator terminal or terminal device The menu item Remote control i...

Страница 163: ...es e g the alarm list these can be paged through using the cursor buttons and In menus that provide more than 3 submenus these can be paged through using the cursor buttons and to display the remainin...

Страница 164: ...error message is pending only store computer operator terminal is performed here 9 2 2 Call Controller Menu using Remote Operation Upper case and lower case can be toggled by tapping the MODE button I...

Страница 165: ...r in the list that is then displayed using the cursor buttons and In the screen that opens the name position designation and the alarm priority of the controller can be input as required Step 3 The ma...

Страница 166: ...omputer or operator terminal is only possible for controllers with CAN bus connection the deactivation of the input lock is then applicable for all components in the CAN bus system The lock down is au...

Страница 167: ...ode For repair and maintenance work service personnel can deactivate the remote alarm function of the system centre and of the store computer for a limited period using the service mode 9 2 4 1 CI 4x0...

Страница 168: ...buttons MODE and ENTER simultaneously to open the screen for the suppression of the remote alarm signalling and input the service mode duration 1 255 minutes The service mode is now activated for the...

Страница 169: ...lues 1 2 Actual values 2 ACT VALUES Analogue values 2 1 ANALOGUE VAL Cyl temp 2 1 a ANALOGUE VAL PC Cyl Temp 2 1 b ANALOGUE VAL LT Cyl temp 2 1 c ANALOGUE VAL Compressor 2 2 COMPRESSOR I0 Condenser fa...

Страница 170: ...elete 5 2 MESSAGE Modbus 5 3 MODBUS Configuration 5 3 1 MODBUS Diagnose 5 3 2 MODBUS Rel Modul Diag 5 3 3 DIAGNOSE ebm Diagnose 5 3 4 DIAGNOSE 6 Operating data 6 OP DATA Operating hours 6 1 OP DATA Co...

Страница 171: ...tings Continue to menu 7 8 Service Mode Continue to menu 8 10 1 2 Menu 1 Summary Act to XXX C Evaporation temperature actual values LP Setp to D N XXX C Calculated t0 setpoint LP evaporation temperatu...

Страница 172: ...ariable for compressor speed in percent only visible when no min and max FC frequencies are entered 100 corresponds to 10 V at the analogue output Comp Speed OH Currently transmitted control variable...

Страница 173: ...ison Comp Speed LT XX Z2 compressor speed Suctiongas LT X X C Current Z2 suction gas temperature Superheat Z2 X X K Current superheat Z2 HR setpoint X Analogue input for HR setpoint shift only visible...

Страница 174: ...pacity stage 3 relay output depending on the configuration and compressor type the number of the displayed capacity stages is for NT and parallel compressors with basic module 1 max 4 for NT and paral...

Страница 175: ...a CAN bus Cons enab Rel XXX Consumer enable relay output toggle Comp XXX Status of relay output for FC compressor base load rotation for compressor combined control only visible if compressor combined...

Страница 176: ...Refrigerant R744 Refrigerant R744 CO2 R744 Sensor match Matching of the pressure transmitters Screen 3 1 a Sensor match No comps XX Entry of the number of compressors 1 4 8 3 3 Diff comp X Unequal com...

Страница 177: ...Mot prot PC Enable parallel compressor motor overload cutout YES NO Y N N Oil HP cont PC Oil pressure difference switch HP switch parallel compressor YES NO Y N N No cond stages X Number of condenser...

Страница 178: ...lection of signal interface pressure transmitter LP Z2 4 20 mA or 0 10 V Screen 3 1 a d LP Z2 Min XXXb Pressure for 4 mA or 0 V at output of LP Z2 pressure sensor LT 0 2 0 1 0 bar LP Z2 max XXXb Press...

Страница 179: ...ENABL COMP ID XXXXX Description Input Default Dim Comp stage 1 XXX Capacity stage 1 ON OFF ON Only the available capacity stages depending on configuration are displayed Comp stage 8 XXX Capacity sta...

Страница 180: ...Comp Contr Continue to menu 3 2 6 Menu 3 2 1 LP control LP Control ID XXXXX Description 1 Compressor control Continue to menu 3 2 1 1 2 to adjustment Continue to menu 3 2 1 2 3 LP Control day Continue...

Страница 181: ...z MinFreq FC Hz Scaling of the analogue output for the compressor speed Here the frequency transmitted by the FC at a control variable of 0V is set This setting must correspond to the value set on the...

Страница 182: ...a to Ramp K Min XXX The to setpoint shift can be subjected to a ramp The ramp is inactive for For to adjustment via analogue input 6 or via the CAN bus a ramp speed of 1 K min is active 1 20 K Min Max...

Страница 183: ...witching hysteresis for step control only visible for step control type of control 1 10 4 K NZ speed con 0K Dead band for the loading and unloading of fixed speed compressors during combined control o...

Страница 184: ...3 250 60 sec V UNLO T S4 XXX s 3 250 80 sec V UNLO T S5 XXX s 3 250 100 sec V UNLO T S6 XXX s 3 250 120 sec V UNLO T SN XXX s 3 250 120 sec Basic module 1 max 4 capacity stages with first SIOX extens...

Страница 185: ...ec B LOAD T S4 XXX s 3 250 250 sec B LOAD T SN XXX s 3 250 250 sec Basic module 1 max 4 capacity stages with first SIOX extension module 1 max 8 capacity stages Screen 3 2 1 4 b Variable time capacity...

Страница 186: ...ge see chapter Gas cooler package with ebm papst fans Screen 3 2 2 1 b EBM Manual Run To the submenu for the manual operation of the fans Screen 3 2 2 1 c Min Drehzahl XXX Min fan speed only visible i...

Страница 187: ...ES NO Y N N Fan X OFF by al X Switch off fans when motor overload cutout is tripped YES NO Y N Y Fan Kickstart X For activating the kickstart function for the fans Y N N Fan Offtime Standstill time of...

Страница 188: ...nnected from the power supply otherwise it will run with 80 of its capacity in emergency operation 0 fan is removed from the switching order list only possible if authorisation Master Example 01010001...

Страница 189: ...rature 10 50 28 C tod max XX C Max outdoor temperature for setpoint shift 16 48 26 C Gl ttung tG XX C Smoothing factor for the measurement of the gas cooler temperature 1 20 12 tG Offset N XX K tG off...

Страница 190: ...100 15 min Max Regabw HD Xb Maximum permissible control error in the HP circuit The function is deactivated with input of 0 30 5 b VzgMax Rabw HD Xm Delay time after which a fault message is generate...

Страница 191: ...ic module 1 max 4 capacity stages with first SIOX extension module 1 max 8 capacity stages Screen 3 2 2 2 d Variable time for condenser capacity stages OFF V UNLO T ID XXXXX Description Input Default...

Страница 192: ...2 3 b to Min Minimum value for the to setpoint shift via temperature outside or CAN bus in HR mode The parameter is visible if the parameter to shift HR is configured to Outdoor temp or CAN BUS The t...

Страница 193: ...or switching on the next largest ejector stage only visible in the Thresholds operating mode 0 100 70 Threshold Off Min threshold of the small HP valve for switching on the previous smaller ejector st...

Страница 194: ...2 min Superheat Threshold of the superheat when oil return is active only visible if Acc Level Ctrl is set to NO 3 20 10 K Screen 3 2 2 4 a Operation Mode OPERAT M ID XXXXX Description Input Default...

Страница 195: ...m SPRAY ID XXXXX Description Input Default Dim Spray System X Activation of spray system Y N Y N N Nachtbetrieb X Spray system active in night operation Y N Y N N Temp S1 Min XX C Gas cooler outlet te...

Страница 196: ...pressor can be enabled 0 100 30 EnableTime 1 XX s Delay time 1 time during which the MP valve must have a specified opening degree before MP compressors are enabled 0 600 30 s EnableLimit 2 X Limit va...

Страница 197: ...of the variable times tv ON Basic unload time OFF Display basic times tb OFF Vari Z LeiStu OFF Display of the variable times tv OFF Off Time S1 Minimum standstill time of the LT FC compressor after sh...

Страница 198: ...b MP limit value for compressor shutdown 10 0 62 0 40 0 b MD EIN Verd XXX b MP limit value for compressor enable 36 37 5 35 0 b Anz Verd MD Al XXX b Number of running compressors at MP alarm 1 12 MD z...

Страница 199: ...is subtracted in each case from SGI hot gas and SGI cyl head 1 20 5 K SGI overh high XX K Threshold value for the enable of the suction gas injection valve depending on too high suction gas superheat...

Страница 200: ...sure cutout tripped 0 99 1 LP cutout X Low pressure cutout tripped 0 99 2 Low LP X Lower threshold t0 undercut 0 99 2 High HP X Upper threshold tc exceeded 0 99 2 Messkreis Zyl X Fault in cylinder hea...

Страница 201: ...erheat X Suction gas superheat too low 0 99 0 Deviation MP X MP control error too large 0 99 0 NT Cascade X NT controller not accessible or faulty 0 99 2 Meas err LP Z2 X Error in low pressure Z2 meas...

Страница 202: ...N 0 99 2 Manual OFF LT X LT compressor manual control switch OFF 0 99 2 M err Suct gas LT X Error in the LT compressor measuring circuit 0 99 2 Low Superheat LT X LT circuit low superheat 0 99 2 LT Cy...

Страница 203: ...ge COND MON ID XXXXX Description Input Default Dim Av at dT 0 X XX Average value for delta T at 0 Kelvin Av at dT 30 X XX Average value for delta T at 30 Kelvin Screen 3 9 d Utilisation frequency COND...

Страница 204: ...t savg X Automatic summer winter time changeover YES NO Y N Y Screen 4 b Changeover times UMSCHALTNGPOS XXXXX Description Input Default dimension dd hh mm dd hh mm Entry in each case of up to 7 change...

Страница 205: ...tion Input Default Dim 9600 baudrate is 9600 Bd 19200 baudrate is 19200 Bd Menu 5 3 2 Modbus diagnostic is not described here Menu 5 3 3 Rel Modul Diag for diagnosis of the connection of Modbus module...

Страница 206: ...time Continue to menu 6 1 2 History Continue to menu 6 2 Menu 6 1 Display of the operating hours OP DATA POS XXXXX Description 1 Compressor Continue to menu 6 1 1 2 Condenser fan Continue to menu 6 1...

Страница 207: ...ontinue to menu 6 2 3 4 PC run times Continue to menu 6 2 4 5 PC starts Continue to menu 6 2 5 6 PC Activity Continue to menu 6 2 6 7 LT Run times Continue to menu 6 2 7 8 LT comp starts Continue to m...

Страница 208: ...yed compressor stages depends on compressor type and expansion stage as follows for NT and Parallel Compressors with Basic module 1 max 4 for NT and Parallel Compressors with first SIOX extension modu...

Страница 209: ...ernal analogue output 4 terminal 4 of the Modbus analogue module 0 0 10 0 0 00 V Menu 8 2 Compressor defaults ON OFF SERVICE ID XXXXX Description Input Default Dim Comp stage 1 XXX Switching state of...

Страница 210: ...XXX Switching state of the respective relay output of the Modbus relay module ON or OFF ON OFF OFF Relay 8 XXX ON OFF OFF Menu 8 7 Ejectors SERVICE ID XXXXX Description Input Default Dim Output E 1 X...

Страница 211: ...dispose of electrical and electronic waste in compliance with the statutory regulations based on the Directive 2012 19 EU of the European Parliament on waste electrical and electronic equipment This d...

Страница 212: ...rity number in each group 9 19 29 99 is reserved for low priority alarms which should only generate local alarm signalling e g open cold room door All other priority numbers are designed for low prior...

Страница 213: ...until approx 50 of all available compressor capacity stages are in operation A switching process is performed after expiry of the basic time The variable times are not taken into account In the event...

Страница 214: ...157 High Cyl temp Cx Cylinder head temperature for compressor Cx upper limit value exceeded High Cyl temp LT x Cylinder head temperature for LT compressor Cx upper limit value exceeded 160 HP cutout...

Страница 215: ...x Compressor stage x has been automatically locked 5x cylinder temperature too high per day 219 Meas error MP Error in the measuring circuit for measurement of the medium pressure 220 MeasErr gas out...

Страница 216: ...0 ohm 1 x 0 10 V Analogue outputs 1 4 x 0 10 V 4 20 mA 0 10 V load min 1 k 4 20 mA resistance max 800 ohm 1 Supply cables to analogue inputs outputs must be shielded Basic module SIOX extension module...

Страница 217: ...ccording to DIN EN 60068 2 27 Transport and operation 30 g Vibration 10 150 Hz according to DIN EN 60068 2 6 Transport and operation 2 g Atmospheric pressure Transport 660 hPa 1060 hPa Operation 860 h...

Страница 218: ...Firmware V1 41 V1 08 11 2022 218 219 13 3 Mechanical Data SIOX Extension Module SIOX extension module with manual control switch all dimensions in mm 1 mating connector and cable...

Страница 219: ...e sensor 4 wire Pt1000 for wall mounting KGLZPT1000 Modbus analoque module Set Modbus module with 4 analogue outputs 0 10 V DC incl 2 x 100 Ohm and terminal MODBAOUTPV Modbus relay module Modbus relay...

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