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EVCO S.p.A.

EVDRIVE04 | User manual ver. 1.0 | Code 144EPD4I104

Page 22 of 78

6.2

Operating mode

6.2.1

Preliminary information

EVDRIVE04 implements a stepper motor control according to the state machine presented in the table here below

(hereinafter the document will make reference to these status).

The state in which the algorithm is in may be readable in the FSM status (Finite State Machine, parameter Stat).

FSM

Meaning

initialization

synchronization wait

positioning wait

probe alarm

grid alarm

communication alarm

stand-by off

stand-by on

analog positioner

stabilization

start-up

algorithm selection

manual

debugger

reserved

SH algorithm

Содержание EVDRIVE04

Страница 1: ...EVCO S p A EVDRIVE04 User manual ver 1 0 Code 144EPD4E104 Page 1 of 78 EVDRIVE04 Electronic expansion valves drivers ENGLISH USER MANUAL ver 1 0 CODE 144EPD4E104 ...

Страница 2: ...ice and follow all the additional information keep this document close to the device for future consultations The following symbols support the reading of the document it indicates a suggestion it indicates an additional information The device must be disposed according to the local legislation about the collection for electrical and electronic equipment ...

Страница 3: ...ization 19 6 1 1 Refrigerant selection 19 6 1 2 Valve selection 20 6 1 3 Operation 21 6 2 Operating mode 22 6 2 1 Preliminary information 22 6 3 Stand by and operation mode selection 23 6 4 Enabling EVDRIVE04 23 6 5 Analog inputs 24 6 6 Analog positioner control 25 6 7 Algorithm start up 26 6 8 Manual mode 26 6 9 Debugging mode 27 6 10 Control algorithm 27 6 10 1 Superheat control algorithm 27 6 1...

Страница 4: ...unication error 61 9 5 Probe error 62 9 6 Power failure and backup battery error 63 9 7 Algorithm status 63 9 8 Superheat algorithm protection functions 64 9 8 1 LoSH 64 9 8 2 HiSH 64 9 8 3 LOP 64 9 8 4 MOP 64 9 8 5 LowPressure 64 9 9 Parameters error 65 10 ACCESSORIES 66 10 1 Non optoisolated RS 485 USB serial interface EVIF20SUXI 66 10 1 1 Introduction 66 10 1 2 Description 66 10 1 3 Size 67 10 ...

Страница 5: ...le status etc and a 5 res A 250 VAC digital output electromechanical relay configurable as alarm output solenoid valve or resynchronization valve Through the USB port it is possible to make the upload and the download of the configuration parameters using a common USB flash drive through this port or the RS 485 one it is also possible to connect the devices to the set up software system Parameters...

Страница 6: ...umber of buttons 6 index of protection IP20 IP40 the front IP20 IP40 the front IP20 IP40 the front IP20 IP40 the front Main connections extractable screw terminal blocks Power supply 24 VAC or 24 37 VDC Analog inputs analog input 1 suction temperature backup probe suction pressure backup probe NTC Pt 1000 0 20 mA 4 20 mA NTC Pt 1000 0 20 mA 4 20 mA NTC Pt 1000 0 20 mA 4 20 mA NTC Pt 1000 0 20 mA 4...

Страница 7: ...meters set resynchronization command backup module status High voltage digital inputs on off switching enable the operation change parameters set resynchronization command backup module status Digital outputs electromechanical relays res A 250 VAC digital output 1 alarm output solenoid valve resynchronization valve 5 A 5 A 5 A 5 A Communication ports CAN port with CANBUS communication protocol RS ...

Страница 8: ...ort not available in model EPD4BX4 4 CAN port line termination not available in model EPD4BX4 5 display and keyboard not available in models EPD4BX4 EPD4BC4 and EPD4BF4 6 reserved 7 bipolar stepper motor output 8 USB port 9 power supply 10 RS 485 port not available in models EPD4BX4 and EPD4BC4 11 RS 485 port line termination not available in models EPD4BX4 and EPD4BC4 12 signalling LEDs 13 high v...

Страница 9: ...EVCO S p A EVDRIVE04 User manual ver 1 0 Code 144EPD4I104 Page 9 of 78 3 SIZE AND INSTALLATION 3 1 Size The following drawing shows the size of EVDRIVE04 4 DIN modules size in mm in ...

Страница 10: ...nd first 3 3 Additional information for the installation make sure the working conditions of the device operating temperature operating humidity etc are in the limits indicated look at chapter 11 TECHNICAL DATA do not install the device close to heating sources heaters hot air ducts etc devices having big magnetos big speakers etc locations subject to direct sunlight rain humidity dust mechanical ...

Страница 11: ...rminal Meaning CO1 common digital output NO1 normally open contact digital output Analog inputs and free of voltage digital inputs Part Meaning 12V power supply 0 20 mA 4 20 mA 0 10 V transducers 12 VDC 10 60 mA max 5V power supply 0 5 V ratiometric transducers 5 VDC 5 40 mA max GND ground analog inputs and free of voltage digital inputs DI1 digital input 1 non optoisolated free of voltage contact...

Страница 12: ...ter for 0 20 mA 4 20 mA 0 5 V ratiometric 0 10 V transducers CAN port not available in model EPD4BX4 Non optoisolated CAN port with CANBUS communication protocol Terminal Meaning CAN signal CAN signal GND ground the maximum number of devices that can make a CAN network 32 depends on the bus load the bus load depends on the baud rate of the CANBUS communication and on the kind of device in the netw...

Страница 13: ...tor shielded cable SO 1A bipolar stepper motor coil 1 SO 1B bipolar stepper motor coil 1 SO 2A bipolar stepper motor coil 2 SO 2B bipolar stepper motor coil 2 With reference to the previous table the following one shows how to connect to EVDRIVE04 the most common electronic expansion valves Sporlan and Alco Terminal Wire color Sporlan SER SEI SEH and ESX Alco EXM EXL 246 Alco EX4 EX5 EX6 EX7 and E...

Страница 14: ...h MODBUS communication protocol Terminal Meaning GND ground RS485 D1 A terminal 1 of the transceiver RS485 D0 B terminal 0 of the transceiver connect the RS 485 MODBUS port using a twisted pair For the settings about the RS 485 MODBUS port look at chapter 7 CONFIGURATION RS 485 port line termination not available in models EPD4BX4 and EPD4BC4 Position microswitch 1 on position on 120 W 0 25 W to p...

Страница 15: ... 2 Example of electrical connection The following drawing shows an example of electrical connection of EVDRIVE04 Please note the power supply of EVDRIVE04 and that of EPS4B are not isolated one another it is important to wire correctly the devices as indicated in the drawing ...

Страница 16: ... to a warm one the humidity could condense on the inside wait about an hour before supplying it make sure the power supply voltage the electrical frequency and the electrical power of the device correspond to those of the local power supply look at chapter 11 TECHNICAL DATA disconnect the power supply of the device before servicing it do not use the device as safety device for the repairs and for ...

Страница 17: ...ing table shows the meaning of the keyboard Button Preset function cancel hereinafter also called button ESC move to left hereinafter also called button LEFT increase hereinafter also called button UP decrease hereinafter also called button DOWN move to right hereinafter also called button RIGHT confirmation hereinafter also called button ENTER 5 3 Signalling LEDs The following table shows the mea...

Страница 18: ...rheating alarm will be running if it is out no high superheating low superheating alarm will be running LED alarm if it is On an alarm will be running if it flashes slowly it is necessary to disable the device so that the modification of the configuration parameters has effect if it flashes quickly it is necessary to switch off on the power supply of the device so that the modification of the conf...

Страница 19: ... of refrigerant Pi00 allow to select the proper gas for the application Pi00 Gas Min pressure BarA Min temperature C Max pressure BarA Max temperature C 0 R22 0 00 75 9 49 88 96 1 1 R134A 0 00 98 0 40 57 101 0 2 R402A 0 00 80 8 40 66 74 1 3 R404A 0 00 79 4 36 81 71 4 4 R407A 0 00 72 0 43 59 81 1 5 R407C 0 00 70 4 45 30 85 5 6 R410A 0 00 70 5 48 91 71 2 7 R417A 0 00 68 5 37 91 84 4 8 R422A 0 00 77 ...

Страница 20: ...SEI 50 0 6386 7500 400 160 0 Full step 2ph 8 Sporlan SEH 100 0 6386 7500 400 160 0 Full step 2ph 9 Sporlan SEHI 175 Sporlan SEHI 400 0 6386 6500 400 160 0 Full step 2ph 10 Sporlan SDR 3 0 3193 3512 200 160 0 Full step 2ph 11 Sporlan SDR 4 0 6386 7025 200 160 0 Full step 2ph 12 Sporlan ESX unipolar 24 224 300 40 260 0 Full step 2ph 13 Sporlan EDEV B unipolar Sporlan EDEV C unipolar 0 800 1250 200 1...

Страница 21: ...on defined by Maximum regulation steps A resynchronization request can be signalled using various methods rising edge on digital input DI2 if DI2 is configured as resynchronization command and Enabling mode parameter Pr06 is configured as standalone rising edge on Resynchro request ResR if Enabling mode parameter Pr06 is configured as network internal request from the algorithm upon reaching the m...

Страница 22: ...nafter the document will make reference to these status The state in which the algorithm is in may be readable in the FSM status Finite State Machine parameter Stat FSM Meaning 0 initialization 1 synchronization wait 2 positioning wait 3 probe alarm 4 grid alarm 5 communication alarm 10 stand by off 11 stand by on 30 analog positioner 40 stabilization 41 start up 42 algorithm selection 50 manual 5...

Страница 23: ...is to be used in standalone mode an enable from digital input mode must be chosen parameter Pr06 0 or Pr06 1 The selection must be made based on the type of input to be used A typical application of the DIHV parameter Pr06 1 mode is to connect it in parallel to the compressor such that the valve is enabled along with it To enable the valve using digital inputs it is necessary for these to be confi...

Страница 24: ...ture probe measuring the suction temperature Ts necessary for calculating the Superheat must be connected to one of the three analog inputs AI1 AI2 or AI3 while the pressure probe for measuring the evaporation pressure may be connected to any of the four analog inputs If the analog input is used for measuring pressure this parameter also defines the conversion range The Aix probe usage Piux parame...

Страница 25: ...er in Stand by on 11 and then in the Analog positioner 30 To exit the analog positioner mode it is necessary to disable the valve which will cause a positioning movement to the value specified in Stand by position parameter Pr20 before entering the Stand by off 10 Pr01 01 analog positioner on AI1 0 20mA Pr01 02 analog positioner on AI2 0 5V Pr01 03 analog positioner on AI3 4 20mA Pr01 04 analog po...

Страница 26: ...r02 defines the algorithm s operation mode while Main control type Pr01 defines which algorithm can be used Specifically Pr02 0 enables control SH algorithm defined by Main control type Pr01 Pr02 1 enables manual algorithm which permits movement of the valve to the position specified by Manual set point position Pr03 Pr02 2 actives a specific algorithm that moves the valve linearly up and down at ...

Страница 27: ...nd ensure that the compressor is protected by entrance of liquid The SH is usually controlled by a PID After selecting the control algorithm it is necessary to set the various regulation parameters SH set point Pc01 Pp01 LoSH set point Pc02 Pp02 HiSH set point Pc03 Pp03 LOP temperature Pc04 Pp04 MOP temperature Pc05 Pp05 PID proportional band Pc13 Pp13 PID integral time Pc14 Pp14 PID derivative ti...

Страница 28: ...ected the regulator uses the related SH set point parameter This is a fundamental parameter for the proper functioning of the control algorithm A low set point ensures a higher evaporator performance lower temperatures and minimum variations but has the disadvantage that liquid may reach the compressor The algorithm uses different regulation parameters depending on the working area if the measured...

Страница 29: ... Pp13 PID integral time Pc14 Pp14 PID derivative time Pc15 Pp15 Start up delay Pc20 Pp20 Start up position Pc21 Pp21 Neutral zone high threshold Pr10 Smart band zone threshold Pr11 SH parameters set selection Pr04 work in the same way as in SH control algorithm The algorithm use different regulation parameters depending on the working area If the measured error is in the Dead band no regulation is...

Страница 30: ... behavior is as follows the relay remains in the excited state solenoid valve open while the valve is enabled and is unexcited solenoid valve closed if the valve is disabled or a power failure is detected The Ph01 7 combine the configuration 1 and 6 If Ph01 8 the relay will be activated if the resynchronization is requested To perform a resynchronization operation the valve must be disabled If Ph0...

Страница 31: ...correct all the parameters of temperature and pressure cancel the alarm leading to 1 bit 0 of the variable Command Cmd and then reset the EVDRIVE04 if parameters alarm is cleared check ParS variable and if necessary reset the board again It is recommended not to abuse the automatic conversion of the parameters is a delicate function as its disruption can lead to the invalidation of all the memory ...

Страница 32: ...ample here below using the buttons or to scroll through the menu pages Page User 1 or to select and to enter ALARM STATUS page Page User 1 a or to scroll the page ESC to return to Page 1 Page User 2 Page User 3 Page User 4 Page User 5 Page User 6 or to select and to enter Set1 or Set 2 parameters page Page User 6 a Page User 6 b or to scroll through the user menu Set1 2 parameters pages ...

Страница 33: ...In the Alarm Status page all the warnings and alarms are displayed 7 2 2 Installer menu Enter the Installer menu pressing in Page User 1 or pressing in Page User 6 The default level 1 password is 10 Page Installer 1 Page Installer 1 a Page Installer 1 b Page Installer 1 c These menus permit modification of most driver parameters In the Main param settings the user can change the control type analo...

Страница 34: ...anufacturer 1 f Page Manufacturer 1 f The backup and restore functionalities are active only in Stand by off 10 They are protected by the Level 5 password and permit to download a copy of the EVDRIVE04 application s parameters and or the driver s parameters communication settings etc in the memory or in the parameters key The user can restore the parameters with the copy in the memory or in the pa...

Страница 35: ...elease button UP or button DOWN to select CAN Network 7 Press and release button ENTER 8 Press and release button ENTER again to set the password value 9 Press and release button DOWN over and over again to set 19 10 Press and release button ENTER again 11 Set parameter NW Node using button UP or button DOWN to select the parameter and using button ENTER to modify and to confirm the value Accordin...

Страница 36: ...on DOWN to select the submenu 4 Press and release button ENTER To gain access a protected submenu operate as follows 5 From step 2 press and release button UP or button DOWN to select the submenu 6 Press and release button ENTER 7 Press and release button ENTER again to set the password value 8 Press and release button DOWN over and over again to set 19 9 Press and release button ENTER again To mo...

Страница 37: ...e device to the set up software system Parameters Manager For further information please consult the application manual of Parameters Manager Operate as follows 1 To connect the device to the set up software system Parameters Manager through the USB port make sure to have an USB cable to connect the device to the set up software system Parameters Manager through the RS 485 port make sure to have t...

Страница 38: ...ress button UP or button DOWN to select key to copy the parameters in the flash drive or memory to copy the parameters in the internal memory of the device belonging to the field Application param to copy the application software parameters or belonging to the field Drivers param to copy the configuration parameters 4 Press and release button ENTER the parameters will be copied this operation usua...

Страница 39: ...pen in which the work ucjb and work ucje files have been copied Once the USB pen is inserted the files are copied in the device which restarts if the downloaded program is suitable the device is reprogrammed with the new version You can reprogram the Device using the Download Manager program connecting the PC to the device using the USB port ...

Страница 40: ...edths of mA if configured as a current probe hundredths of V if configured as a live probe Min Max Simulation Ps01 1700 RW 0 1 0 U Enable simulation mode 0 normal mode 1 simulation mode Ps02 1704 RW 0 1 0 U DI 1 Simulation value Ps03 1705 RW 0 1 0 U DI 2 Simulation value Ps04 1706 RW 0 1 0 U DI HV Simulation value Ps05 1706 RW 32768 32767 0 U Probe 1 Simulation value Ps06 1706 RW 32768 32767 0 U P...

Страница 41: ... the acquisition it is necessary to reset or disable the valve If the variable is set to 0 it means that the new parameters are already active The correct procedure for changing Installer and Manufacturer parameters is disable the valve modify the parameters verify the Parameters status ParS value reset the board if requested by Parameters status ParS Par Add Acc Min Mas Unità Default Menu Common ...

Страница 42: ...er time constant Pr20 1604 RW 0 00 100 00 0 00 Installer Stand by position If Pr20 0 the valve closed to 0 steps instead Minimum regulation step Pr30 1605 RW 50 00 100 00 100 00 Manufact Limit valve opening Pr40 1606 RO 0 9999 h 0 User Working hour Pr41 1607 RW 0 365 day 1 Installer Resynchronization interval 0 disabled Pr45 1608 RW 30 100 100 Manufact Valve duty cycle Pr48 1609 RW 0 00 100 00 0 0...

Страница 43: ...1 RW 1 0 100 0 K 40 0 User PID proportional band Pc14 1682 RW 0 999 s 120 User PID integral time Pc15 1687 RW 0 999 s 30 User PID derivative time Pc20 1690 RW 1 255 s 5 Installer start up delay Pc21 1693 RW 0 00 100 00 50 00 Installer start uo position Par Add Acc Min Mas Unità Default Menu Parameters set n 2 Pp01 1547 RW 3 0 25 0 K 6 0 User SH setpoint Pp02 1548 RW 1 0 3 0 K 2 0 User LoSH setpoin...

Страница 44: ...250 s 180 Installer low pressure alarm bypass Pa40 1582 RW 0 1 0 Installer enable LOP alarm 1 yes Pa41 1583 RW 0 0 10 0 K 1 0 Installer LOP alarm hysteresis Pa42 1584 RW 0 250 min 3 Installer LOP alarm delay Pa50 1585 RW 0 1 0 Installer enable MOP alarm 1 yes Pa51 1586 RW 0 0 10 0 K 1 0 Installer MOP alarm hysteresis Pa52 1587 RW 0 250 min 3 Installer MOP alarm delay Pa53 1633 RW 0 0 25 0 K 7 0 In...

Страница 45: ... 14 R 290 15 R 717 16 R 1270 17 R 32 18 R 407F 19 R 1234ZE 20 R 1234YF 21 R 723 22 R 452A 23 R 513A Pi01 1596 RW 0 6 1 Manufact driving mode selection 0 automicrostepping 1 full step 2 ph on 2 full step 1 ph on 3 half step 4 microstepping 4 5 microstepping 8 6 microstepping 16 Pi07 1595 RW 0 59 2 Manufact valve selection values of parameter Pi07 not related here below are reserved 0 generic valve ...

Страница 46: ...Mas Unità Default Menu Valve and driver digital I O settings and various Ph01 1620 RW 0 8 0 Manufact digital output DO1 function 0 disabled 1 any alarm 2 probe errors 3 following low SH alarms 4 following MOP alarms 5 following valve alarm 6 used for solenoid valve 7 alarms used for solenoid valve 8 valve resyncchronization signal is necessary Ph02 1621 RW 0 1 0 Manufact relay logic 0 normally une...

Страница 47: ...igital input DIHW function 0 none 1 enable disable valve 2 change parameters set 3 resynchronization request 4 backup battery status Ph60 1628 RW 0 1 0 Manufact pressure unit of measurements 0 barG 1 psiG Ph61 1629 RW 0 1 0 Manufact temperature unit of measurements 0 C K 1 F R Ph70 1630 RW 0 1 0 Manufact frequency grid 0 50 Hz 1 60 Hz Ph80 1680 RW 0 2 0 Manufact LED STEP 2 function 0 status 1 LOP ...

Страница 48: ...e settings analog input AI1 scaling P1Xty 1648 RW 0 1 0 Manufact X type 0 0 20 mA 1 4 20 mA P1XM 1649 RW P1Xm 0 20 00 1 20 00 2 5 00 20 00 Manufact X max value P1Xm 1650 RW 0 0 00 1 4 00 2 0 00 P1XM 0 00 Manufact X min value P1Tty 1651 RW 0 1 0 Manufact Y type 0 barG 1 barA P1YM 1652 RW P1Ym 300 00 barG barA 1 00 Manufact Y max value P1Ym 1653 RW 300 00 P1YM barG barA 0 00 Manufact Y min value Par...

Страница 49: ...5 V ratiometric transducer 0 60 Barg 30 scaling AI2T 518 RW 2 7 5 User AI1 type used if Piu2 0 2 NTC 3 0 20 mA 4 4 20 mA 5 0 5 V 6 reserved 7 Pt 1000 Par Add Acc Min Mas Unità Default Menu Probe settings analog input AI2 scaling P2Xty 1656 RW 0 2 0 Manufact X type 0 0 20 mA 1 4 20 mA 2 0 5 V P2XM 1657 RW P2Xm 0 20 00 1 20 00 2 5 00 20 00 Manufact X max value P2Xm 1658 RW 0 0 00 1 4 00 2 0 00 P2XM ...

Страница 50: ... Pia4 1671 RW 10 30 20 Installer analog input AI4 probe type 10 4 20 mA transducer 0 10 Barg 11 4 20 mA transducer 0 16 Barg 12 4 20 mA transducer 0 30 Barg 13 4 20 mA transducer 0 50 Barg 20 0 5 V ratiometric transducer 0 7 Barg 21 0 5 V ratiometric transducer 0 25 Barg 22 0 5 V ratiometric transducer 0 60 Barg 30 scaling Par Add Acc Min Mas Unità Default Menu Probe settings analog input AI4 scal...

Страница 51: ...anufact MODBUS RS 485 port address Mb0p 1730 RW 0 2 2 Manufact MODBUS RS 485 port parity 0 none 1 odd 2 even Mb0b 1731 RW 0 4 3 Manufact MODBUS RS 485 port baud rate 0 1 200 1 2 400 2 4 800 3 9 600 4 19 200 Mb0s 1733 RW 0 1 0 Manufact MODBUS RS 485 port stop bit 0 1 bit 1 2 bit CANn 1739 RW 1 127 11 Manufact CAN node address CANb 1744 RW 0 4 1 User CAN baud rate 0 10K 1 20K 2 50K 3 125K 4 500K CAN...

Страница 52: ...redths of mA if configured as a current probe hundredths of V if configured as a voltage probe Par Add Acc Min Mas Unità Default Menù Comandi Pr02 1596 RW 0 2 0 Utente Functioning mode 0 SH algorithm 1 manual mode 2 debug functionality Pr03 1597 RW 0 00 100 00 0 00 Utente Manual set point position used if valve in manual mode Pr02 1 ResR 1281 RW 0 1 0 Utente Resynch request 0 1 resynch request Ena...

Страница 53: ...0 61 User FSM status 0 initialization 1 synchronization wait 2 positioning wait 3 probe alarm 4 grid alarm 5 communication alarm 10 stand by off 11 stand by on 30 analog positioner 40 stabilization 41 start up 42 algorithm selection 50 manual 51 debugger 60 reserved 61 SH algorithm AlSt 1794 RO User alarm status b0 EEPROM alarm b1 configuration alarm b2 3 communication status b4 7 probe alarm b8 p...

Страница 54: ...uration matches other Piux 7 Piu2 configuration matches other Piux 8 Piu3 configuration matches other Piux 9 incorrect configuration Piu4 10 mismatch between Pia1 and Piu1 11 mismatch between Pia2 and Piu2 12 mismatch between Pia3 and Piu3 13 mismatch between Pia4 and Piu4 14 awaiting configuration AI1 15 awaiting configuration AI2 16 awaiting configuration AI3 17 awaiting configuration AI4 18 awa...

Страница 55: ...tion pressure Ts 1805 RO C User Ts suction temperature SH 1806 RO K User SH SpSH 1807 RO K User SH setpoint SetS 1808 RO 1 2 User selected SH parameters set PidP 1809 RO User PID setpoint position output ParS 1810 RO 0 2 User parameters status bit0 disable the valve to accept new parameters bit1 reset the board to accept new parameters SRat 1811 RO step s User actual value step rate SetM 1813 RO K...

Страница 56: ... 0 OFF 1 ON DI2 258 RO User DI2 status 0 OFF 1 ON DI1HV 259 RO User DI1 HV status 0 OFF 1 ON DO 265 RO User relay status 0 OFF 1 ON AI1 513 RO User AI1 value AI2 514 RO User AI2 value AI3 515 RO User AI3 value AI4 516 RO User AI4 value Pnum 65329 RO User project number Pvar 65342 RO User project variation 0 AA 1 AB 2 AC etc Pver 65330 RO User project version Prev 65331 RO User project revision FoL...

Страница 57: ...roposed by SW development according to their own needs The protocol performs one send request every second and one receive request every second which does not occur simultaneously Each send receive request is done on a different node thru the nodes on the network You can give a different timing of the individual entities The levels selected are Level INIT the value is written or read only once whe...

Страница 58: ... integral time Pp14 set 1 PID derivative time Pc15 set 2 PID derivative time Pp15 set 1 start up delay Pc20 set 2 start up delay Pp20 set 1 start up position Pc21 set 2 start up position Pp21 Fast action start threshold FaTh Fast action Fast PID neutral zone high threshold PNHi PID neutral zone low threshold PNLO PID proportional constant threshold Pcz PID SH filter time constant SHFi Relay fuctio...

Страница 59: ...0 Receive EVCM Current Pos EVDrive to Controller Current valve position Current position 5 41 Receive EVCM Status EVDrive to Controller bit 0 7 FSM status bit 8 Enable valve status bit 9 Resynchro request status bit 10 Used SH control parameters set 0 set 1 1 set2 Every change 42 Receive EVCM Status EVDrive to Controller Alarm status Every change 8 3 MODBUS serial communication Serial communicatio...

Страница 60: ...21 Pa22 Pa30 Pa31 Pa32 Pa33 Pa40 Pa41 Pa42 Pa50 Pa51 Pa52 Bit 12 Epar Parameters error 9 2 Memory error A memory error occurs when it is not possible to access data stored in the EEPROM memory it is not therefore possible to access the parameter values stored on it so they will assume default values from flash memory Is also not possible to store new parameter values This alarm can be occurred if ...

Страница 61: ...dicated to the primary temperature probe and another to the primary pressure probe Checked only if Pr01 6 22 Error when copying the selected valve parameters Try copyng again to the generic valve 23 A valve with incorrect parameters was selected Set the valve parameters correctly and restart the instrument 24 A probe is not properly configured Check PIAx prameters 9 4 Communication error A communi...

Страница 62: ...rms is thus active after the first entry into the Stand by off In states where it is really necessary that the values from analog inputs are reliable i e in analog positioner and SH algorithm mode a more complete probe error management system is activated When the analog positioner function is selected Analog positioner 30 a probe error on a probe currently in use will trigger a positioning move t...

Страница 63: ...m and in manual mode The Algorithm status AlgS variable holds the specific state that generated the alarm according to this table Algorithm status Description Value 0 Value 1 bit 0 Measures acquired Data not read Alarm status b10 0 1 bit 1 algorithm is running control algorithm halted bit 2 algorithm is active algorithm is skipped manual mode is active bit 3 No LoSH algorithm is running LoSH algor...

Страница 64: ... effectively low It is possible to optimise this phase by setting a correct value in the valve opening on start up parameter parameters Pc21 Pp21 When the Te temperature returns within its limits parameter Pa41 defines the hysteresis the alarm and signalling are cleared and the normal regulation algorithm resumes 9 8 4 MOP When enabled parameter Pa50 once the Delay Bypass MOP parameter PA56 has el...

Страница 65: ...erature and or pressure and it is possible that not all parameters have been successfully converted The automatic conversion of the parameters is performed only at the reset after a change in parameters Ph60 and or Ph61 If this alarm occurs the user should check and correct all the parameters of temperature and pressure cancel the alarm leading to 1 bit 0 of the variable Command Cmd and then reset...

Страница 66: ...B non optoisolated serial interface USB cable to connect the serial interface to the Personal Computer RS 485 cable this cable is not necessary because the connection serial interface driver uses a three wires connection 10 1 2 Description The following drawing shows the aspect of the interface EVIF20SUXI The following table shows the meaning of the parts of the kit Part Meaning 1 USB cable 2 m 6 ...

Страница 67: ...d operating as follows terminal 1 of the interface must be connected to terminal RS485 of the device terminal 2 of the interface must be connected to terminal RS485 of the device terminal 3 of the interface must be connected to terminal GND of the device 2 Plug in and end of the USB cable into the USB port of the serial interface 3 Plug in the other end of the USB cable into an USB port of the Per...

Страница 68: ...odule it is possible to close the valve in case of lack of power supply of the driver For further information consult the data sheet of EPS4B 10 2 2 Description The following drawing shows the aspect of the module EPS4B The following table shows the meaning of the parts of the module Part Meaning 1 backup power supply output 2 power supply 3 signal LEDs ...

Страница 69: ...8 10 2 3 Size Size is in mm in 10 2 4 Connection to the device Look at chapter 4 ELECTRICAL CONNECTION Operate as follows Please note the power supply of EVDRIVE04 and that of EPS4B are not isolated it is important to wire correctly the devices as indicated in chapter 4 ...

Страница 70: ...extractable screw terminal blocks with pitch 5 0 mm 0 196 in power supply and outputs with pitch 3 5 mm for analog inputs and free of voltage digital inputs for conductors up to 2 5 mm 0 0038 in type A USB connector male extractable screw terminal blocks with pitch 5 0 mm 0 196 in power supply high voltage digital inputs outputs CAN port with pitch 3 5 mm for analog inputs and free of voltage digi...

Страница 71: ...d rate 500 000 baud power supply remote user interface 30 m 98 ft RS 485 port 1 000 m 3 280 ft also look at the MODBUS specifications and implementation guides manual One suggests using the connecting kit CJAV17 female extractable screw terminal blocks pitch 5 0 mm 0 196 in to order separately Operating temperature from 10 to 60 C from 14 to 140 F Storage temperature from 20 to 70 C from 4 to 158 ...

Страница 72: ... suction pressure probe NTC analog inputs 10K Ω 25 C 77 F Kind of sensor ß3435 Working range from 40 to 110 C from 40 to 230 F for standard NTC probes from 50 to 150 C from 58 to 302 F for high temperature NTC probes from 50 to 110 C from 58 to 230 F for fast NTC probes Accuracy 0 6 of the full scale for standard and fast NTC probes 0 5 of the full scale for high temperature NTC probes Resolution ...

Страница 73: ...ee of voltage contacts which can be set via configuration parameter as normally open normally closed contact which can be set via configuration parameter as enable the operation change parameters set resynchronization command backup module status and 1 input optoisolated high voltage contact which can be set via configuration parameter as normally open normally closed contact which can be set via ...

Страница 74: ...witching power 1 250 VA 150 W Mechanical life to 5 000 000 operations Electrical life to 100 000 operations Protection none The device ensure a reinforced isolation among each terminal of the digital output and the remaining parts of the device Bipolar stepper motor output 4 wires bipolar stepper motor output Bipolar stepper motor output Input voltage 21 VDC 10 Output voltage 27 36 VDC 18 24 VDC i...

Страница 75: ...rt 1 non optoisolated CAN port with CANBUS communication protocol and 1 USB port 1 non optoisolated CAN port with CANBUS communication protocol 1 non optoisolated RS 485 port with MODBUS communication protocol and 1 USB port Power supply remote user interface 22 35 VDC 100 mA max ...

Страница 76: ...EVCO S p A EVDRIVE04 User manual ver 4 0 Code 144EPDE404 page 76 of 78 ...

Страница 77: ...isclosure are prohibited without express authorisation from EVCO EVCO is not liable for any features technical data and possible errors stated in this document or deriving from use of the same EVCO cannot be considered liable for damages caused by failure to comply with warnings given in this document EVCO reserves the right to make any changes without forewarning without jeopardising the basic sa...

Страница 78: ...EVCO S p A EVDRIVE04 User manual ver 4 0 Code 144EPDE404 page 78 of 78 EVCO S p A Via Feltre 81 32036 Sedico BL ITALY phone 39 0437 8422 fax 39 0437 83648 email info evco it web www evco it ...

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