Plastic injection Z-ME-KZ-PS/GI controllers
Contents
1. 1 z30 q POWER SUPPLY 24VDC Z32 atos d30 pp VALVE REF Qoo ten al b22 ae b26 ANALOG POSITION ANALOG VELOCITY a b24 MONITOR j z REFERENCE 3 es Be DIGITAL ENABLE gt d18 amp x ow b6 PRESSURE 1 amf K g fi ON 24Vpc OFF 0VDC Ors Sea lt 9 5 DIGITAL FAULT d22 2 b8 PRESSURE 1 2 ON 24VDc OFF 0VDc Eos 406 b32 ANALOG PRESSURE a d32 Sor p VREF ovoce MONITOR b10 x2 b30 VREF 10VDC r ANALOG PRESSURE 000 REFERENCE _ b12 b18 gf d6 i FORCE TRANSFER DI3 OQ O b20 PR d8 JOG DI4 5 0p b28 acn d12 Joc Di6 0 O gt paoraus b28 acano INJECTION DI7 Eor eee J 420 p04 ZT d16 d26_ poo i 1 For the valve driver electrical connection please refer to the specific technical table 2 For the potentiometer position transducer connection please re er to transducer datasheet 3 For the analog position transducer connection please refer to transducer datasheet 15 2 External reference SSI actuator transducer 2 pressure transducers CANopen Rear side connections peat E Z ME KZ PS BCGI z30 POWER SUPPLY 24VDC Z32 d30 VALVE REF ri b22 4 2 ANALOG VELOCITY REFERENCE b24 b2. V9 main features strong meter in characteristic allows the pressure control during the holding pressure and the plasti cizing phases safety central position depressurizes the actuator chambers large flow capability required during the plastici zing phase discharges big oil volumes from injection actuators with low pressure drops and also permits the contemporary oil suction from tank B backward movements flow active B depressuring pressure active m forward movements flow or pressure active G345 7 CONTROLLER CHARACTERISTICS Power supply see 12 1 Nominal 24 Voc Rectified and filtered Vams 20 32 Vmax ripple max 10 VPP Max power consumption 10 W Position transducer SSI incremental encoder potentiometer analog Analog Inputs Analog Outputs Input range voltage 10Vpc inputimpedance Ri gt 100 kQ current 0 20 mA input impedance Ri lt 500 Q Output range voltage 10 Vpc max 10 mA current 0 20 mA max 500 Q load resistance Digital Inputs Input range 0 5 Voc OFF state 16 24 Voc ON state 5 16 Voc not accepted Input impedance Ri gt 10 kQ Digital Outputs 1 Output range 0 24 Voc ON state gt power supply 2 V OFF state lt 1 V max 30 mA Enable input Range 0 5 Voc OFF state 16 24 Voc ON state 5 16 Voc not accepted Input impedance Ri gt 10 kQ
3. Digital Input status must be always disabled OFF Do Not Connect G345 12 SIGNAL SPECIFICATIONS Atos digital controllers are CE marked according to the applicable directives e g Immunity Emission EMC Directive nstallation wirings and start up procedures must be performed according to the prescriptions shown in table F003 and in the user manuals included in the Z SW programming software The electrical signals of the controller e g monitor signals must not be directly used to activate safety functions like to switch ON OFF the machine s safety components as prescribed by the European standards 12 1 Power supply V and V0 The power supply must be appropriately stabilized or rectified and filtered apply at least a 10000 uF 40 V capacitance to single phase rectifiers or a 4700 uF 40 V capacitance to three phase rectifiers The controller is protected against overloads by a internal safety fuse 3 15 A Time delay fuse 12 2 Velocity reference input signal V_INPUT V_INPUT The controller allows to limit the axis velocity according to an external voltage or current reference input signal V_INPUT and V_INPUT The analog input is a differential input type The input range and polarity are software selectable within the maximum range 10 Voc for voltage or O 20 mA for current default setting is O 10 Voc Controller with fieldbus interface BC or BP can be software set to receive reference value direct
4. Fault output 1 Output range O 24 Voc no fault state gt power supply 2 V fault state lt 1V max 50 mA Analog reference outputs 10 Voc max 30 mA Inceremental encoder power supply 5 Voc max 100 mA Alarms Position transducer out of range analog input out of range Card format Eurocard 100x160 mm Plug in unit DIN 41494 Card rear connector Male DIN EN 60603 G Available frame snap connector type E K 64M see tech table G800 To be ordered separately Operating temperature 0 50 C storage 20 70 C Front panel dimensions 128 4 x 40 mm Communication interface Mass Approx 250 g Electromagnetic compatibility EMC According to Directive 2004 108 CE Immunity EN 50082 2 Emission EN 50081 2 Serial CANopen PROFIBUS Atos ASCII coding EN50325 4 DS408 EN50170 2 IEC61158 Communication physical layer not insulated serial RS232 optical insulated CAN ISO11898 optical insulated RS485 8 1 Position transducers 8 2 Pressure transducers Note 1 external negative voltage not allowed e g due to inductive loads 8 TRANSDUCER CHARACTERISTICS The accuracy of the velocity control is strongly dependent to the selected position transducer Four different transducer interfaces are available on the controller according to the system requirements potentiometer analog signal SSI and encoder see 8 3
5. The output polarity is software selectable within 10 Voc maximum range referred to the analog ground AGND default setting is 10 Voc The P_MONITOR signal is also present on the front panel at test point X1 12 8 Pressure or force monitor output signal F_MONITOR The controller generates an analog voltage output signal proportional to the actual pressure or force applied to the actuator the monitor output signals can be software set to show other signals available in the controller e g pressure force analog reference pressure force fieldbus reference pressure force error The output polarity is software selectable within 10 Voc maximum range referred to the analog ground AGND default setting is 10 Voc The F_MONITOR signal is also present on the front panel at test point X2 12 9 Enable Input Signal ENABLE To enable the controller a 24Vpc voltage has to be applied on pin d18 referred to pin b28 When the Enable signal is set to zero the controller can be software set to perform one of the following actions move forward or backward in open loop default setting maintain in closed loop a predefined actuator s position hold position maintain the actuator actual position in close loop control disable the controller functioning control output set to zero 12 10 Fault output signal FAULT Fault output signal indicates fault conditions of the controller alarm active reference or transducer signal cable b
6. of the Z ME KZ PS GI controller Through the fieldbus communication only the real time parameters may be exchanged position velocity and force pressure reference position velocity and force pressure feedback controller commands and status diagnostic error messages 11 ELECTRONIC CONNECTIONS 64 PIN REAR CONNECTOR For more information about the front panel settings and fieldbus communication please refer to the controller user manual pin f d b z 2 DO7 0 DI4 I ne I ne 4 SSI clock D DI 2 I nc I nc 6 SSI clock D DI 3 Force Transfer I F_TR1 1 nc 8 SSI data Inc Uai D DI 4 Jog I F_TR1 I nc 10 SSI data Inc Ua1 D DI5 I F_INPUT I ne 12 Inc Ua2 D DI 6 Jog I F_INPUT I ne 14 ne Ua2 D DI 7 Injection I F_TR2 I nc 16 Inc UaO D DI 8 Decompression 1 F_TR2 I nc 18 nc UaO D ENABLE I P_TR I ne 20 Inc 5Voc 0 DO 1 0 P_TR I GND 22 ne FAULT 0 V_INPUT I DO3 0 24 ne ne V_INPUT I DO 4 0 26 ne DO 2 0 P_MONITOR O DO5 0 28 CAN_GND F nc AGND DO 6 0 30 CAN_L F CONTROL_OUTPUT O VREF 10Voc O V PS 32 CAN_H F F_MONITOR O VREF 10Voc O vo PS rear view I Input O Output D Digital transducers PS Power supply F Fieldbus interface only for BC option
7. 2 0 1 FS lt 0 03 FS lt 0 01 FS lt 0 001 FS lt 0 25 FS Repeatability 2 0 05 FS lt 0 005 FS lt 0 001 FS lt 0 001 FS lt 0 1 FS Notes 1 power supply provided by digital controller 2 percentage of total stroke 9 FRONT PANEL DESCRIPTION 9 1 Keyboard and display On the Z ME KZ PS GI front panel are available 4 function keys ESC ENT UP DWN and a numeric display 4 digits plus sign to allow the user to view and change the controller s parameters as well as to display diagnostic messages The following parameters can be accessed viewed or changed via correspon ding menu structure command and actual values analog input output values digital input output status position sensor indication force pressure sensor indication Parameter s changes of the configuration control gains trigger conditions inter nal cycle fault monitoring are not allowed via front panel operations 9 2 LED indication The led indications are used to display the internal status Active OK of the con troller or the status of the digital IO of the Z ME KZ PS GI ded in four different types internal controller s status Active OK digital input status 11 18 digital output status O1 O7 There are 22 led divi software programmable led A1 A5 for specific functions 9 3 Test points The test points present on the controller front panel
8. can be used to monitor the actual position X1 and the force pressure X2 value measured by the relevant transducers Both signals are referred to the analog ground L pin The two signals are respectively connected to PLMONITOR X1 and FLMONITOR X2 analog output present on the rear connector of the contro ler card These signals can be software set to show other signals available in the controller see 12 7 and 12 8 9 4 Communication ports On the front panel of the Z ME KZ PS GI is always presen the functional parameters of digital controller like internal by the user a serial RS232 port to program the controller by the Atos Z SW software see section reference generation controller dynamics IO configurations can be easily set and optimized 10 FRONT PANEL VIEW Function Keys Display OK Led Active Led Digital Input Led E Digital Output Led E Auxiliary Led Test Points RS232 serial programming port O ea PROFIBUS DP port i fa 0000 8 0600 only for BP option Z ME KZ PS GI O98 T3 Al For BP or BC options a second communication port dedicated to the selected fieldbus connection is present on the controller For BP option the E KZ PS GI controller For BC option the CANopen connection is located on the rear connector PROFIBUS DP port is located on the front panel of the Z
9. transition from Injection to Pack and Hold phase 3 3 Pre Decompression optional phase Pre Decompression phase starts when the machine con trol unit enables the Decompression condition The con troller regulates in open loop the backward velocity of the injection actuator according to the external command signal velocity reference 3 4 Back Pressure Back Pressure phase starts when the machine control unit enables the command Force Transfer with Injection condition not active The controller performs force closed loop control with max velocity limitation to prevent sudden backward actuator movements in the transition from Pack and Hold or Pre Decompression phase to Back Pressure ones 3 5 Post Decompression optional phase Post Decompression phase starts when the machine con trol unit enables the Decompression condition The con troller regulates in open loop the backward velocity of the injection actuator according to the external command signal velocity reference 4 EXAMPLE OF INJECTION CYCLE WITH DIGITAL COMMANDS FROM MACHINE CENTRAL UNIT INJECTION fi Injection condition Pressure Force Velocity Position Mm Feedback Mumm Reference PACK AND HOLD DECOMP BACK PRESSURE DECOMP COMMANDS Time Time Time Note 1 see section 11 for digital inputs commands connection Note for controllers with BP or BC option the inje
10. 6 ag PRESSURE 1 F b10 b8 PRESSURE 1 r 2 ANALOG FORCE REFERENCE b12 b14 PRESSURE 2 4 2 DIGITAL ENABLE _ 57 d18 b16 PRESSURE 2 ON 24Voc OFF 0VDC DIGITAL FAULT d22 f4 p SSI CLOCK ON 24Voc OFF 0VDC f6 SSI CLOCK gt f8 aS ANALOG POSITION b26 f10 ssipata MONITOR lt ANALOG FORCE d32 f32 canH MONITOR f30 cane Real ti b28 128 onono AGND V7 CANopen INTERFACE rh OL 3 Er q b6 wg PRESSURE 14 Se Brac Le b28 acno 6 Vv ee J 1 For the valve driver electrical connection please refer to the specific technical table 2 Only for start up and maintenance operations 3 CANopen fieldbus interface on rear connector 4 For the SSI position transducer connection please refer to transducer datasheet 5 Pressure transducer connection with current signal output 15 3 internal reference generation encoder actuator transducer 1 pressure transducer PROFIBUS DP Rear side connections WA z30 POWER SUPPLY 24aVo0 z32 _ tos d30 p VALVE REF O O 4 b22 ESC ENT yp 2 ANALOG VELOCITY gt a REFERENCE b24 bog 8885 F b10 6 o aa b6 PRESSURE 1 gt aa 2 ANALOG PRESSURE 00 Se lt REFERE
11. NCE b12 b8 PRESSURE 1 2 DIGITAL ENABLE _5 Op d18 f8 a INC UA1 ON 24Voc OFF 0VDC DIGITAL FAULT d22 f10 _ INCjUAI ON 24Voc OFF 0VDC lt f12 7 INC UA2 f14 ait UA2 ANALOG POSITION b26 f16 Nc uao MONITOR Y lt q ANALOG PRESSURE d32 OO 18 nca MONITOR PROFIBUS lt lt 20 p gt INC 5v00 b28 O z20 cnND AGND SZ Z ME KZ PS BPGI UL EXTERNAL ENCODER the specific technincal table 2 Only for start up and maintenance operations 3 PROFIBUS DP fieldbus interface on front panel 1 For the valve driver electrical connection please refer to 4 For the encoder position transducer connection please refer to transducer datasheet 12 14
12. SOS LA unnos Plastic injection Z ME KZ PS GI controllers Eurocard format for electrohydraulic closed loop controls of injection in plastic presses MAIN FUNCTIONS AND FEATURES USER INTERFACE SUPPLY 24V ODRE HB atos gg VELOCITY REFERENCE 3 pg J PRESSURE FORCE REF 8888 n R E55 Z Co 00000 J 5 o 9o99 POSITION FEEDBACK T Injection Real time Serial port ri z pia rocess lel us iB p PRESSURE FEEDBACK e __ AUXILIARY INPUT _ P Q TITT Alternated Velocity Enhanced N DRIVERS COMMAND p sn control control diagnostic E MONITOR 2 5 AUXILIARY OUTPUT fo Oma He Z ME KZ PS GI Z SW PS programming software 1 MODEL CODE Z ME KZ PS GI Electronic axis controller s d in Eurocard format et code Alternated position velocity force control module Serial communication interface for configuration and monitoring function Series number Injection process control Optional fieldbus interfaces standard without fieldbus interface BC CANopen communication interface BP PROFIBUS DP communication interface 2 BLOCK DIAGRAM Table G345 2 E Z ME KZ PS GI Plastic injection controllers perform velocity and
13. Transducers with digital interface SSI and encoder allow the user to get high resolution and accurate measures Transducers with analog interface potentiometer and analog signal grant simple and cost effective solutions The accuracy of the pressure force controls is strongly dependent to the selected pressure transducers Alternated pressure or force controls require to install pressure transducers to measure the actual pressure values Pressure transducers allow easy system integration and cost effective solution for both alternated position pressure and position force controls see tech table G465 for pressure transducers details The characteristics of the remote pressure transducers must be always selected to match the application requirements and to obtain the best performan ces transducer nominal range should be at least 115 120 of the maximum regulated pressure force 8 3 Transducers characteristics amp interfaces following values are just for reference for details please consult the transducer s datasheet Position Pressure Force nput type Potentiometer Analog SSI Incremental Encoder Analog Power supply 1 10 Voc 24 Voc 5 Voc 24 Voc 5 Voc 24 Voc 24 Voc Controller Interface 10V 0 10V 4 20 mA Serial SSI binary gray TTL 5Vpp 150 KHZ 10 Voc 4 20 mA ax speed 0 5 m s 1 m s 2 m s 2 m s ax Resolution lt 0 4 FS lt 0 2 FS 1 um 1 um 0 15 m s lt 04 FS Linearity error
14. and react to alarm conditions Diagnostics parameters define different conditions threshold and delay time to detect alarm conditions Reaction parameters define different actions to be performed in case of alarm presence stop at actual or preprogrammed position emergency forward backward controller disabling etc 14 7 Digital IO configuration Allow to configure the controller s digital inputs outputs to trigger generate signals from for the external machine central unit Polarity define the signal active state Trigger condition define the input state to run a predefined internal command see 12 13 Output state define the digital output based on the internal controller state see 12 14 14 8 Motion phases parameters When the internal reference generation is active a pre programmed cycle can be generated start stop switch over commands and reference generation types parameters can be set to design a customized sequence of motion phases adapted to the specific application requirements G345 15 WIRING BLOCK EXAMPLES 15 1 External analog reference potentiometer actuator transducer 1 pressure transducer Rear side connections a_j DECOMPRESSION DI8 O O gt _ Z ME KZ PS GI
15. cs to select the transducer type that matches the specific application requirements see 8 1 12 5 Pressure transducer input signal F_TR1 F_TR1 F_TR2 F_TR2 Analog remote pressure transducers must be always directly connected to the controller One transducer must be connected in case of alternated position pressure control two transducers must be connected in case of alternated position force control Refer to pressure transducer characteristics to select the transducer type that mach the specific application requirements see 8 2 The input range and polarity are software selectable within the maximum range 10 Voc for voltage or O 20 mA for current default setting is O 10 Voc 12 6 Control output signal CONTROL_OUTPUT The error signal processed by the control algorithms generates the control output signal CONTROL_OUTPUT for the external driver of the proportional valve which operates the hydraulic flow to the actuator The output range and polarity are software selectable within 10 Voc for voltage or O 20 mA for current maximum range referred to the analog ground AGND default setting is 10 Voc 12 7 Position monitor output signal P_MONITOR The controller generates an analog voltage output signal proportional to the actual axis position the monitor output signal can be software set to show other signals available in the controller e g position analog reference position fieldbus reference position error
16. ction cycle is managed by fieldbus commands 5 PRESSURE FORCE CONFIGURATION For technical support about proportional valve selection and control electronic configuration please contact Atos tech assistance at ele support atos com Alternated Velocity Pressure Control One pressure transducer Alternated Velocity Force Control Two pressure transducers MACHINE CONTROL UNIT INPUT OUTPUT gt ET CONTROLLER Z ME KZ PS GI MACHINE CONTROL UNIT INPUT Z OUTPUT j CONTROLLER Z ME KZ PS GI Typical schemes used in injection molding machines designed for high medium density materials Proportional valves with V9 spool type see section 6 A remote pressure transducer has to be installed on the actuator should be used he injection line of Typical schemes used in injection molding machines designed for low density materials Proportional valves with linear spool type with zero overlap characteristics is strictly recommended to obtain improved force control Two remote pressure transducers have to be installed on the actuator s ports the actuator force is calculated by the pressure feedbacks Pa Pb r valve s spool transducer M actuator s position transducer e pressure transducer 6 SPECIAL SPOOL FOR INJECTION PROCESS
17. d Area The software remains active for 10 days from the installation date and then it stops until the user inputs the Activation Code Z SW N DVD next supplies only for supplies after the first service not included web registration not allowed Software has to be activated with Activation Code received upon first supply web registration Atos Download Area direct access to latest releases of Z SW software manuals USB drivers and fieldbus configuration files at www download atos com USB Adapters Cables and Terminators can be ordered separately 14 MAIN SOFTWARE PARAMETER SETTINGS For a detailed descriptions of the available settings wirings and installation procedures please refer to the user manuals included in the Z SW DVD programming software Z MAN ME KZ GI user manual for Z ME KZ PS GI 14 1 External reference and transducer parameters Allow to configure the controller reference and transducer inputs analog or digital to match the specific application requirements Scaling parameters define the correspondence of these signals with the specific actuator stroke or force to be controlled Limit parameters define maximum minimum stroke and force to detect possible alarm conditions Homing parameters define the startup procedure to initialize incremental transducer e g encoder 14 2 Position PID control dynamics parameters Allow to optimize and adapt the position controller closed loop to the wide ran
18. force closed loop controls according to real time commands analog or fieldbus generated by machine control unit e g PLC The controller receives position pressure eedbacks and generates reference signal to he proportional valve which regulates the hydraulic flow to the injection actuator The position feedback signal is software selectable SSI incremental encoder poten iometer or analog voltage or current Remote pressure transducers have to be remotely installed close to the injection actuator and connected to the controller see section 5 The machine electronic control unit manages the injection process through dedicated digi tal commands or fieldbus communication Serial and Profibus only for BP option ports are available on the front panel for controller configuration and diagnostics Electrical Features e 4 digits front panel display to check and change parameters as well as for diagno stics e Front panel DB9 connector for serial pro gramming interface e Front panel test points for debug and maintenance e Eurocard format DIN 41494 Plug in units e CE mark according to EMC directive Software Features e Internal generation of injection cycle e Setting of axis s dynamic response PID to optimize the injection performances e Monitoring of injection process Software selectable range of electronic reference analog inputs voltage or current e Diagnostics of the injection sta
19. ge of hydraulic system characteristics PID position each part of the position controller closed loop algorithm proportional fine positioning advanced integral derivative feed forward etc can be modified in order to match the application requirements 14 3 Multiple pressure force PID control dynamics parameters Allow to customize and adapt the pressure force controller closed loop to each injection cycle phase PID pressure force each part of the pressure force controller closed loop algorithm proportional integral derivative feed forward etc can be modified in order to match the phases requirements 14 4 Control output signal parameters Allow to configure the controller command for the proportional valve which regulates the hydraulic flow to the actuator Scaling parameters define the correspondence of the command signal to the specific valve reference signal range Limit parameters define maximum minimum range to detect possible alarm conditions 14 5 Monitoring parameters Allow to configure the controller monitoring function of the positioning error difference between actual reference and feedback and detects anomalous conditions Monitoring parameters maximum allowed errors can be set for both static and dynamic positioning phases and dedicated waiting times can be set to delay the activation of the alarm condition and relevant reaction see 14 6 14 6 Fault parameters Allow to configure how the controller detect
20. ly by the machine control unit fieldbus master in this case the analog reference input signal can be used for start up and maintenance operations 12 3 Pressure or force reference input signals F_INPUT F_INPUT For alternated position force or position pressure control the Z ME KZ PS GI receives a second analog voltage or current reference input signal F_INPUT F_INPUT dedicated to the force or pressure closed loop control The analog input is a differential input type The input range and polarity are software selectable within the maximum range 10 Voc for voltage or O 20 mA for current default setting is O 10 Voc Controller with fieldbus interface BC or BP can be software set to receive reference value directly by the machine electronic control unit fieldbus master in this case the analog reference input signals can be used for start up and maintenance operations 12 4 Position transducer input signal A position transducer must be always directly connected to the controller digital SSI SSI clock SSI clock SSI data SSI data digital Encoder Inc Ua Inc Uat Inc Ua2 Inc Ua2 Inc Uad Inc Ua0 potentiometer or a generic transducer with analog interface P_TR P_TR can be used For transducers with analog interface the input range and polarity are software selectable within the maximum range 10 Voc for voltage or O 20 mA for current default setting is O 10 Voc Refer to position transducer characteristi
21. ogrammed by the Z SW software Typically the digital outputs are used to set alarm condition related with the hydraulic axis working phase identify a particular working condition to synchronize other machine functionalities signal target position reached signal pressure force control active signal tracking error 12 15 CANopen communication signals only for BC option For controllers with CANopen communication interface the connections are located on the rear connector pin f28 CAN_GND pin f80 CAN_L and pin 32 CAN_H 13 PROGRAMMING TOOLS see tech table GS500 Valve s functional parameters and configurations can be easily set and optimized using Atos Z SW programming software connected via serial communication port to the digital controller Z SW software is available in different versions according to the controllers s communication interface PS Serial Z SW PS BC CANopen Z SW BC and BP PROFIBUS DP Z SW BP For fieldbus versions Z SW software permits valve s parameterization through serial communication port also if the controller is connected to the central machi ne unit via fieldbus Full programming software to be ordered separately Z SW DVD first supply software has to be activated via web registration at www download atos com 1 year service included Upon web registration user receive via email the Activation Code software license and login data to access personal Atos Downloa
22. on Velocity open loop control WEEE TDS mum Feedback mam Reference CONDITIONS STATUS Injection OFF Force Transfer OFF Decompression ON Velocity Position 3 4 Back Pressure Pressure closed loop control with max velocity limitation mum Feedback mums Reference CONDITIONS STATUS Injection OFF Force Transfer ON Decompression OFF A Pressure Force 3 5 Post Decompression Velocity open loop control je aA mm Feedback m Reference CONDITIONS STATUS Injection OFF Force Transfer OFF Decompression ON 3 1 Injection Injection phase starts when the machine control unit e g PLC enables the command Injection The controller performs velocity closed loop profile according to the external velocity reference with a maximum force limita tion during traversing Machine control unit provides velo city step reference to the controller which internally limits acceleration and deceleration in order to avoid mechani cals stress during velocity variations 3 2 Pack and Hold Pack and Hold phase starts when the machine control unit enables the command Force Transfer with Injection condition active The controller performs pressure force closed loop control with max velocity limitation to prevent sudden forward actuator movements in the
23. roken max error exceeded etc Fault presence corresponds to 0 Voc normal working corresponds to 24 Voc pin d22 referred to pin b28 12 11 Power supply signal for potentiometer position transducer VREF 10Vpc VREF 10Vpc Power supply for potentiometer position transducer may be generated from the controller card using the VREF 10Voc and VREF 10Vpc signal max 30 mA 12 12 Power supply for incremental encoder position transducer Inc 5Vpc GND Power supply for incremental encoder position transducer may be generated from the controller card using the 5Voc max 100 mA 12 13 Digital input signals DI1 DI8 Five pre configured digital inputs DI3 D14 DI6 DI7 DI8 are dedicated to manage of the injection process while two digital inputs DI1 DI5 are used to trigger a command or to read a system state For DI1 and DI5 input by the Z SW software it is possible to set the polarity and to match a proper condition within the following start stop switch over command in case of internal reference generation specific operative command for hydraulic axis mode referencing mode jog mode automatic mode jog command disable pressure force alternated control 12 14 Digital output signals DO1 DO7 Seven digital outputs can be used to generate digital signals useful to the system synchronization and for monitoring purpose The digital outputs can be configured in polarity and all the channels can be independently pr
24. tus e Intuitive graphic interface e ln field firmware update through standard serial communication port e Internal oscilloscope function DIGITAL CONTROLLER Z ME KZ PS GI SERIAL PORT 00000 0000 INJECTION PROCESS FIELDBUS NETWORK MACHINE CENTRAL UNIT goo D00 FIELDBUS PLASTIC INJECTION SYSTEM VELOCITY CONTROL PRESSURE MONITOR DIGITAL I O Bag O m Note Block diagram example with fieldbus interface CONTROL PRESSURE FEEDBACK POSITION FEEDBACK PROPORTIONAL VALVE b 5 HYDRAULIC INJECTION ACTUATOR G345 3 INJECTION PHASES 3 1 Injection Velocity closed loop control with max pressure limitation mum Feedback mums Reference CONDITIONS STATUS Injection ON Force Transfer OFF Decompression OFF Pressure Force Velocity Position 3 2 Pack and Hold Pressure closed loop control with max velocity limitation mum Feedback mums Reference CONDITIONS STATUS Injection ON Force Transfer ON Decompression OFF A Pressure Force 3 3 Pre Decompressi
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