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Eliwell EWCM 4120, Manual, Page: 3 / 75

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Eliwell EWCM 4120 Manual Download Page 3

 

3 

COMPRESSOR CONTROL..........................................................................................................................................................................31

 

Inverter compressor control............................................................................................................................................................32

 

Digital compressor control...............................................................................................................................................................34

 

Compressor timing.............................................................................................................................................................................36

 

Power stages........................................................................................................................................................................................37

 

Compressor switch-on policies .......................................................................................................................................................37

 

CONDENSATION CONTROL.....................................................................................................................................................................39

 

INVERTER COMPRESSOR CONTROL ..............................................................................................................................................40

 

DIGITAL FAN CONTROL....................................................................................................................................................................44

 

ADVANCED FUNCTIONS...........................................................................................................................................................................49

 

On/off device ......................................................................................................................................................................................49

 

Recording operating hours ..............................................................................................................................................................50

 

Real Time Clock (RTC).......................................................................................................................................................................50

 

ALARMS ........................................................................................................................................................................................................51

 

Alarms list with description and activation parameters............................................................................................................53

 

Alarm list with actions and notes...................................................................................................................................................55

 

Alarms log ............................................................................................................................................................................................58

 

SERIAL CONFIGURATION..........................................................................................................................................................................59

 

PARAMETERS LIST ......................................................................................................................................................................................61

 

NAVIGATION MENU DIAGRAMS............................................................................................................................................................69

 

ACCESSORY PRODUCTS............................................................................................................................................................................72

 

TECHNICAL DATA.......................................................................................................................................................................................73

 

Mechanical characteristics ...............................................................................................................................................................73

 

Electrical characteristics....................................................................................................................................................................73

 

Input/Output characteristics............................................................................................................................................................73

 

Summary of Contents for EWCM 4120

Page 1: ...EWCM 4120 4150 4180 EN e Compact controller for compressor plants 1...

Page 2: ...14 Displays in particular states 15 Keys 16 User interface configuration 17 Main display 19 Password and visibility 19 Accessing and using the menus 20 Machine state menu 20 Programming menu 21 CONFIG...

Page 3: ...ONTROL 44 ADVANCED FUNCTIONS 49 On off device 49 Recording operating hours 50 Real Time Clock RTC 50 ALARMS 51 Alarms list with description and activation parameters 53 Alarm list with actions and not...

Page 4: ...ors whole or segmented with up to 4 power stages inverter compressor Condensation control with inverter fan or up to 4 digital fans CONDITIONS OF USE Permitted use This device is intended for controll...

Page 5: ...ctronically controlled they are prone to short circuit or remaining open any protection devices specified in product standards or suggested by common sense for obvious safety requirements must be inst...

Page 6: ...sing a power supply which does not correspond to the specifications given can seriously damage the system use cables of suitable section for the terminals used Separate as much as possible the cables...

Page 7: ...places with ordinary or normal levels of pollution Keep the area around the instrument cooling slots adequately ventilated The TTl serial port is located on the left side of the instrument 7 WIRING DI...

Page 8: ...ent Digital Input configurable analogue inputs GND Ground TTL COM 1 TTL serial for connection to Copy Card ParamManager DeviceManager or Televis 1 Outlet pressure switch ON OFF EWCM 4120 and EWCM 4180...

Page 9: ...EWCM 4120 L DO5 GND AI4 AI3 DI7 DI6 12Vac 5Vdc AO1 DI5 DI4 DI3 DI2 DI1 12Vac 12Vdc AI2 AI1 16 15 11 10 14 13 12 3 1 4 2 5 6 7 8 9 12 Vdc 35mA max Not used EWCM 4120 9...

Page 10: ...EWCM 4150 L DO5 GND AI4 AI3 DI7 DI6 12Vac 5Vdc AO1 DI5 DI4 DI3 DI2 DI1 12Vac 12Vdc AI2 AI1 11 10 17 13 12 3 1 4 2 5 6 7 8 9 DO6 AO3 I AO3 V GND AO2 Not used EWCM 4150 10...

Page 11: ...EWCM 4180 L DO5 GND AI4 AI3 DI7 DI6 12Vac 5Vdc AO1 DI5 DI4 DI3 DI2 DI1 12Vac 12Vdc AI2 AI1 15 11 10 17 13 12 3 1 4 2 5 6 7 8 9 DO6 AO3 I AO3 V GND AO2 Not used EWCM 4180 11...

Page 12: ...DI6 12Vac 5Vdc AO1 DI5 DI4 DI3 DI2 DI1 12Vac 12Vdc AI2 AI1 DO5 GND AI4 AI3 DI7 DI6 12Vac 5Vdc AO1 DI5 DI4 DI3 DI2 DI1 12Vac 12Vdc AI2 AI1 DO5 GND AI4 AI3 DI7 DI6 12Vac 5Vdc AO1 DI5 DI4 DI3 DI2 DI1 12...

Page 13: ...h parameter configurable function for use with 12Vc PLEASE NOTE the terminals of the connector to be used for this output do not correspond between EWCM412 and EWCM4120 see diagram below The relays of...

Page 14: ...they all function correctly The instrument has two main menus the Machine state menu and the Programming menu EWCM4120 and EWCM4180 EWCM4150 LEDs Symbol icon Description Icon on front panel 8 11 EWCM...

Page 15: ...isplay LEDs icons Main display alternated with alarm code if more than one alarm is present simultaneously the one with the lower index will be displayed If there is an alarm If the measurement on the...

Page 16: ...Decrease the parameter value if in parameter edit mode set Press and hold 5 secs to access the menu for viewing editing the setpoint adjustment and the type of set point will be displayed To edit the...

Page 17: ...on ON Flashing 0 LED disabled 1 _ 4 Compressor 1 4 Active Interstep timing 5 Step 2 compressor 1 Active Interstep timing 6 Step 2 compressor 2 Active Interstep timing 7 Step 2 compressor 3 Active Inte...

Page 18: ...U M Notes UI12 Select main set point display 0 1 num 0 display Inlet Set 1 display Outlet Set UI13 Select main display 0 6 num UI20 Installation password 0 255 num Default UI20 1 UI21 Manufacturer pas...

Page 19: ...s the FNC key for 5 seconds value configurable from parameter UI19 select the measurement to display by scrolling through the various options using the Up and Down keys press the set key Par Descripti...

Page 20: ...ng menu Press the set key once to view the contents of any folder highlighted by the corresponding label At this point it is possible to scroll through the contents of any folder editing it or using t...

Page 21: ...CF Ui St CP Fn AL Pass CC OP Parameters EU EU Eu00 Eu99 Alarms log EUR EUR Reset alarm history CONFIGURING THE MACHINE 1 ANALOGUE INPUTS AI3 AI4 The device has 2 analogue inputs which are configurabl...

Page 22: ...DI Probe configured as potential free contact digital input 2 NTC NTC probe range 50 0 C 99 9 C 3 4 20mA Analogue input 4 20 mA 4 0 10V Analogue input 0 10 V 5 0 5V Analogue input 0 5 V Notes If an i...

Page 23: ...ate the logical meaning of the analogue inputs If the input is configured as a digital input refer to parameters CF23 CF26 Value Description 0 Probe disabled 1 Inlet regulation probe 2 Outlet regulati...

Page 24: ...nuous compressor shut down inverter 8 11 Fan 1 4 thermal switch 12 Continuous fan shared fans thermal switch 13 Remote On Off 14 General alarm 15 21 Not used Polarity is defined below Value Type Descr...

Page 25: ...n CF45 CF49 DO1 DO5 digital output configurations CF50 Configuration of digital output DO6 Parameter present in models with 5 relays Triac not present in these models The relay output and open collect...

Page 26: ...the AO2 output is present on models 4150 and 4180 only Parameter Description M U Min Max CF34 Enable analogue output AO1 num 0 1 CF35 Enable analogue output AO2 num 0 1 CF37 Analogue AO1 output phase...

Page 27: ...CF34 CF35 Allow the Triac analogue output to be characterised in the following manner Value Description 0 Output configured as digital 1 Output configured as Triac for pulse piloting Parameters CF37 C...

Page 28: ...r 2 relay On Off 9 Capacity step 2 compressor 2 relay On Off 10 Capacity step 3 compressor 1 relay On Off 11 14 Fan status 1 4 On Off 15 Alarm status On Off 16 22 Not used 23 Compressor inverter enabl...

Page 29: ...CF39 Analogue TC output pulse length 1 unit 69 4 s num 5 40 CF42 Analogue TC output configuration num 24 26 Note Parameters CF36 and CF39 have a meaning only if the outputs have been configured as Tri...

Page 30: ...Parameter Description M U Min Max CF27 Type of output analogue AO3 num 0 2 CF30 Configuration of analogue output AO3 num 24 26 Parameter CF27 Allows the Triac analogue output AO3 to be characterised i...

Page 31: ...f compressor steps 3 1 2 1 whole compressor 2 the number of Power stages is 1 Regulation is proportional or Neutral Zone ZN as a function of the inlet probe temperature or pressure control In the case...

Page 32: ...Hot mode St02 0 The inverter compressor control is proportional as a function of the inlet probe value The following diagram indicates the compressor speed as a function of the regulation probe in the...

Page 33: ...ff is disabled the speed of the inverter compressor goes from 0 to the minimum speed when the regulation probe reaches the set point from below If the regulation probe reaches the set point from above...

Page 34: ...eter ST02 Cooling mode if St02 1 and Heating mode if St02 0 The digital compressor control is stepped as a function of the inlet probe value The regulator activates a certain number of resources power...

Page 35: ...take probe takes on values outside of the symmetric proportional band in comparison to the set point value For the cooling mode for example when the value read by the intake probe exceeds the SET POIN...

Page 36: ...T inc T inc T dec Time Regulator probe Band Set point 1 1 1 1 T inc T inc T inc T dec Time Regulator probe Band Compressor timing The switching on and off of a compressor inverter or digital must meet...

Page 37: ...the suction section 0 2 Num For a whole compressor there are no power stages so the compressor supplies either 0 or 100 of its power Example of compressor with 3 power stages 4 regulation power steps...

Page 38: ...sor balancing The balancing policy distributes all resources equally over the largest number of compressors possible so far as this is compatible with other requirements such as compressor safety timi...

Page 39: ...pressors and to compressors with continuous regulation and is active if the compressor is selected The activation of this alarm blocks the compressors in use In the case of step compressors the availa...

Page 40: ...mA 0 10Vcc output AO3 needs external module for piloting fan Relay outputs for piloting digital fans Digital Output DO5 Open Collector using an external relay One or more digital inputs can be configu...

Page 41: ...an is always ON When the fan is ON it is piloted at the speed set by parameter Fn24 If however a condensation probe has been allocated the fan control is proportional as a function of the condensation...

Page 42: ...rom minimum speed to 0 Similarly if the saturation cut off is disabled the fan speed goes from continuous regulation to maximum silent speed when the regulation probe reaches the Set Point Proportiona...

Page 43: ...proportional to the value of the regulation probe However if during this period the regulator requests the switching off of the fan the fan will be piloted at the minimum speed set by parameter Fn20 T...

Page 44: ...the parameter ST02 Cooling mode if St02 1 and Heating mode if St02 0 If no condensation probe has been allocated temperature or pressure the fan ON OFF switch will be controlled on request from the co...

Page 45: ...int St01 1 In the case of central set point St01 0 the proportional band is deemed to be centred in the set point Fn03 Fn03 Fn00 Step 3 2 1 0 Fn03 Fn00 nr of steps Fn03 nr of steps C F Bar Psi Cooling...

Page 46: ...resources discrete power steps linked to the time in which the delivery probe takes on values outside of the symmetric proportional band in comparison to the set point value For the cooling mode for e...

Page 47: ...less than 1 This is to avoid the compressor switching on when the condensation probe values are excessively high If at the end the preventilation the regulator does not request fans the fans are swit...

Page 48: ...the compressors are switched on the minimum cut off bypass will not be respected at the end of the pick up time and in the absence of a request by the fan regulator the fans will immediately be switch...

Page 49: ...of the thermal switch causes the machine to shut down ADVANCED FUNCTIONS On off device The activation deactivation of the device used for controlling resources may be carried out via keyboard or digit...

Page 50: ...g hours The alarm does not reset the operating hours The operating hours can be reset manually from the states menu Hr folder When displaying the hours of a particular resource press and hold the set...

Page 51: ...period T are counted as one single event Manual reset performed while an alarm cause is present does not enable the alarm to be reset It is possible to force the semi automatic alarm to be considered...

Page 52: ...t 3 AL10 Silence and reset alarms Alarm silencing consists of the forced deactivation of the output configured as an alarm and is performed by pressing any key in the presence of an alarm Silencing ha...

Page 53: ...probe Fn00 Er04 High pressure switch outlet EVE Outlet pressure switch outlet probe Fn00 AL04 AL03 AL17 if St03 0 Er05 Inlet probe maximum EVE inlet probe set activation CP00 AL17 if St03 1 AL18 AL08...

Page 54: ...erating hours exceeded Compr 1 MAN Operating hours comp1 CP17 Er20 Operating hours exceeded Compr 2 MAN Operating hours Com2 CP17 Er21 Operating hours exceeded Compr 3 MAN Operating hours Comp3 CP17 E...

Page 55: ...arms log full signal MAN N of log events AL25 Note 1 If bypass time not present the alarm is immediately active 2 If N responses in sample window 0 the alarm is always in manual reset 3 If N responses...

Page 56: ...alarm disabled Er06 Blocks all compressors and fans If inlet probe error occurs management alarm disabled Er07 Blocks all compressors and fans at maximum power Fn22 in Cool OFF in Heat If outlet prob...

Page 57: ...CP21 Management of inlet analogue maximum and minimum alarms disabled Inlet pressure switch response alarm signalled as low pressure alarm Er31 Operation of outlet regulator from FN24 Management of ou...

Page 58: ...storage limit fixed at 99 the 100th alarm will overwrite the first event registered and so on for subsequent alarms The last alarm in order of time is saved as Eu00 previous alarms will move up one p...

Page 59: ...ables with the Modbus via the Modbus protocol For selection of the protocol and setting of the device address see the following table Parameter Description Value CF54 Select COM1 TTL protocol 0 Eliwel...

Page 60: ...ancelled UL Upload this command copies uploads the parameter values from the instrument to the copy card dL Download this command copies downloads the parameter values from the copy card to the instru...

Page 61: ...ogue input AI4 start of scale value Parameters CF04 CF11 limit table CF10 Analogue input AI3 differential CF11 Analogue input AI4 differential Parameters CF04 CF11 limit table CF14 Configuration of an...

Page 62: ...se shift 0 90 27 num CF37 Phase shift analogue output AO1 0 90 27 27 27 num CF38 Phase shift analogue output AO2 0 90 27 27 num CF39 Analogue TC output pulse length 5 40 10 num CF40 Analogue output AO...

Page 63: ...te 0 7 3 3 3 num CF65 Modbus protocol parity 1 3 1 1 1 num CF66 Client code 1 0 255 0 0 0 num CF67 Client code 2 0 255 0 0 0 num CF68 Firmware version 0 999 0 0 0 num CF71 Tab 0 999 1 5 2 num CF72 RTC...

Page 64: ...teral set point 0 1 1 1 1 num St02 Select Hot cold operating modes 0 1 1 1 1 num St03 Absolute relative alarms 0 1 0 0 0 num St04 Regulators configuration 0 3 1 1 1 num CP Folder CP00 Regulation setpo...

Page 65: ...0 0 0 Hours 10 CP18 Minimum speed 0 100 20 20 20 CP19 Maximum speed 0 100 80 80 80 CP20 Saturation speed 0 100 100 100 100 CP21 Default power for non allocated probe probe error 0 100 0 0 0 CP22 Numbe...

Page 66: ...Fn16 Interstep up time 0 255 15 15 secs Fn17 Interstep down time 0 255 5 5 secs Fn18 Maximum time all fans can stay off 0 500 500 500 Hours Fn19 Maximum hours of use for fan 0 6500 0 0 Hours 10 Fn20...

Page 67: ...nts 0 33 0 0 0 num AL14 Compressor shut down alarms bypass time 0 255 0 0 0 secs AL15 Number of fan thermal switch alarm events 0 33 0 0 num AL16 Fan thermal switch alarms bypass time 0 255 0 0 secs A...

Page 68: ...rs UI22 and UI23 C F Bar Psi Par Min Max Min Max Min Max Min Max Min Max Min Max Hi Lo Hi Lo CF04 CF05 40 00 CF05 580 0 CF05 5 00 CF04 72 5 CF04 CF06 CF07 100 0 CF07 1450 CF07 5 0 CF06 72 CF06 CF08 10...

Page 69: ...NAVIGATION MENU DIAGRAMS 69...

Page 70: ...70 70...

Page 71: ...71...

Page 72: ...te and BusAdapter 38400 err 0 57600 err 0 115200 err infinite TF411200 transformer for device power supply Copy card CC0S00A00M000 enables the copying of parameter maps from instrument to copy card or...

Page 73: ...ply 12V 10 50 60 Hz Consumption 5VA max Insulation class 2 in normal conditions the instrument must NOT be accessible Display range 999 9999 on display with 4 digit Connections TTL connector for conne...

Page 74: ...e outputs PWM Open collector AO1 and AO2 2 AO1 AO2 for models EWCM4150 and EWCM4180 Max current 35mA min load of 600 with 12Vc Low voltage analogue outputs 0 10Vcc 4 20mA AO3 1 EWCM4150 and EWCM4180 F...

Page 75: ...Paludi 32010 Pieve d Alpago BL ITALY Telephone 39 0437 986 111 Facsimile 39 0437 989 066 Technical helpline 39 0437 986 300 E mail techsuppeliwell invensyscontrols com www eliwell it Eliwell Controls...

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