Hydro atos E-BM-AC Series, Manual

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Page 2: ...ection degree electronic filters on input and output lines CE marking grating the conformity to the EMC Directive Electromagnetic compatibility Applications Pressure flow position open or closed loop systems according to the block diagram 2 E MI E MI electronic driver plug format as per DIN 43650 AC for proportional valve without transducer 01F for single solenoid proportional valve Options standa...

Page 3: ...er is designed to receive a voltage reference signal according to the following options potentiometers mounted externally and wired according to the application diagrams external reference signals generated by PLC see voltage from 0 to 10V current from 0 to 20 mA only with option RR 4 3 Monitor signal This voltage output signal allows to measure the current supplied to the coil read by a voltmeter...

Page 4: ...rk with signal from 0 to 10 V The current supplied to the coil can be measured by a voltmeter connected between pins M and 2 of the screw terminal The reading range will be l mA 10xV mV for example reading 70 mV the current in the coil will be 7001mA Bias adjustment dead band compensation see Supply electrical power to the driver supply a reference signal voltage 0 1 VDC Gradually turn the P4 bias...

Page 5: ...ic connections shown in this technical table The device must be verified on the machine because the magnetic field may be different from the test conditions SAFETY The electrical signals for example reference signals feedback and enable signal of electronic drivers must not be used to realize safety condi tions of the machine This is in accordance with the provisions of european directives Safety ...

Page 6: ...ransducer 01F for single solenoid proportional valves 011F for two single solenoid proportional valves 05F for double solenoid proportional valves Notes the reference R2 must be supplied only for E BM AC 011F with the version 011F it is possible to regulate two single solenoid proportional valves also contemporary Options standard symmetrical ramp RR with adjustable dissymmetrical ramps Series num...

Page 7: ...ning differential hydraulic operations Bias dead band Regulation of dead band adjusts the hydraulic zero of the valve starting position adjustment to a minimum signal of 200 mV The electronic card is factory pre set for the valve it is coupled with according to the set code see section 4 4 E BM AC 05F driver for double solenoid are equip ped with an internal channel selector enabling the relevant ...

Page 8: ... R2 0 2 VDC by the potentiometer P2 For E BM AC 05F supply a reference voltage R1 0 2 VDC turn clockwise the potentiometer P1 for solenoid S1 until the movement of the controlled actua tor is obtained turn the potentiometer P1 in the opposite direction until the actuator is stopped repeat the operation and supply a reference signal voltage R1 0 2 VDC by the potentiometer P2 Scale adjustment see Su...

Page 9: ...mpatibility of electronic drivers is valid only for wirings realized according to the typical electric connections shown in this technical table The device must be verified on the machine because the magnetic field may be different from the test conditions SAFETY The electrical signals for example reference signals feedback and enable signal of electronic drivers must not be used to realize safety...

Page 10: ...ent to the solenoid of Atos proportional valves without pressure or position transdu cer regulating the spool position the flow or the pressure according to the electronic reference signal Features bias and scale regulations by poten tiometers symmetrical standard or dissym metrical RR and RR 4 options rising and falling ramp generator factory pre setted Eurocard format DIN 41494 modular unit 4 in...

Page 11: ...e reference inversion signal on contact 18c 5 24 VDC 4 3 Monitor signal This voltage output signal allows to measure the current supplied to the coil read by a voltmeter on the front panel test points see Reading scale is 1 mV 1 mA To visualize the signals use voltmeters with impedance 10 KΩ 4 4 Set code Basic calibration of the electronic driver is factory preset according to the proportional val...

Page 12: ...abling signal usually 24VDC It could be useful in emergency conditions to inhibit the driver by zeroing this signal Bias adjustment Dead band compensation see Supply a reference signal voltage 0VDC for E ME AC 01F and 0 1VDC for E ME AC 05F Gradually turn bias potentiometer s until a movement of the controlled actuator is obtained Turn in the opposite direction until the actuator is stopped Scale ...

Page 13: ...EAD BAND SCALE CURRENT AMPLIF E PROTECTIVE EARTH TE NOISELESS EARTH C ALTERNATIVE BONDING TO NOISELESS EARTH TERMINAL CURRENT AMPLIF ELETTROMAGNETIC COMPATIBILITY Atos electronic drivers and proportional valves are designed according to the 2004 108 CE Directive Electromagnetic Compatibility and according to EN 50081 2 Emission and EN 50082 2 Immunity standards The electromagnetic compatibility of...

Page 14: ...ucer s feedback Features bias regulation scale and dissymmetrical ramps regulation voltage standard or current I option reference signal voltage standard or current C option feedback signal test point for reference and feedback control on front panel factory pre setted Eurocard format DIN 41494 plug in unit electronic filters on input and output lines CE marking granting the conformity to the EMC ...

Page 15: ... VDC or disable 0 V the driver without swit ching off the power supply use this signal to cyclically inhibit the driver or in emergency condi tions 4 4 Set code Basic calibration of the electronic driver is factory preset according to the proportional valve it has to be coupled with These pre calibrations are identified by a standard number in the model code as follows For ex proof valves insert a...

Page 16: ...e Ramps see If the card is being used in a open loop system push the switch from position ramp off standard to position ramp on see B Calibrate the ramp settings only if dynamic impacts and tenden cies towards instability persist after optimizations of the whole system Adjust the ramp settings using the ramp potentiometers P3 and P4 until the phenomenon has been eliminated Clockwise rotation incre...

Page 17: ... for wirings realized according to the typical electric connections shown in this technical table The device must be verified on the machine because the magnetic field may be different from the test conditions SAFETY The electrical signals for example reference signals feedback and enable signal of electronic drivers must not be used to realize safety condi tions of the machine This is in accordan...

Page 18: ...pen or closed loop regulation systems according to the block diagram 2 2 BLOCK DIAGRAM G150 USER FUNCTIONS AND CONTROL OPTIONS USER INTERFACE SUPPLY 24V REFERENCE SIGNALS ENABLE SIGNALS SPOOL FEEDBACK SPOOL FEEDBACK SOLENOID SUPPLY OUTPUT INPUTS DEAD BAND ADJUST SPOOLS POSITION CONTROL RAMP GENERATOR OUTPUT PROTECTION FEEDBACK FAULT SENSE ELECTRONIC DRIVER E ME L 01H E ME E ME electronic driver in...

Page 19: ...er to the noiseless earth terminal TE 4 2 Reference signal The electronic driver is designed to receive external voltage or current reference signals accord ing to Note that drivers suitable to receive current reference option I have signal values in the range 4 to 20mA For single solenoid valves with two external positions 60 the reference signal is sym metrical 10 V 5 V 4 3 Enabling signal The d...

Page 20: ...4 until the phenomenon has been eliminated Clockwise rota tion increase in ramp time 11 10 7 8 7 7 7 10 9 7 10 9 8 8 8 E ME L 01H TOPOGRAPHICAL VIEW OF REGULATIONS 7 RAMPS AND SETTINGS 9 E ME L 01H DIAGRAM DISSYMMETRICAL RISING AND FALLING RAMPS GENERATOR P3 P4 P3 P4 A B C SCALE SWITCH RAMP SWITCH POS 2 0 5 5 V POS 1 0 10 10V STD SETTING RAMP ON RAMP OFF STD SETTING Power on led green Fail safe le...

Page 21: ...ealized according to the typical electric connections shown in this technical table The device must be verified on the machine because the magnetic field may be different from the test conditions SAFETY The electrical signals for example reference signals feedback and enable signal of electronic drivers must not be used to realize safety condi tions of the machine This is in accordance with the pr...

Page 22: ... RP Electronic driver in sealed box AC for proportional valves without transducer 01F for single solenoid proportional valves 05F for double solenoid proportional valves Options standard symmetrical ramp RR with adjustable dissymmetrical ramps RRE with external ramp setting I suitable to receive current reference signal 4 20 mA Series number Set code see 4 4 AC 01F 1 MODEL CODE G100 USER FUNCTIONS...

Page 23: ...the noiseless earth terminal TE The driver is designed to correc tly work with 24 VDC 20 or 12 VDC 20 nominal voltage sup ply coupled with coils having a resistance from 2 0 Ω to 13 4 Ω as shown in the side table 4 2 Reference signal The electronic driver is designed to receive voltage or current reference signals see table Note that drivers suitable to receive current reference option I have sign...

Page 24: ...mpensation see Supply a reference signal voltage 0VDC for E RP AC 01F and 0 1 VDC for E RP AC 05F Gradually turn bias potentiometer s until a movement of the controlled actuator is obtained Turn in the opposite direction until the actuator is stopped Scale adjustment see Supply max reference signal voltage for E RP AC 05F driver repeat for max negative voltage in the specificated range and turn sc...

Page 25: ...tions SAFETY The electrical signals for example reference signals feedback and enable signal of electronic drivers must not be used to realize safety condi tions of the machine This is in accordance with the provisions of european directives Safety requirements of fluid technology systems and com ponents hydraulics EN 982 Special attention must be payed to switch on switch off of electronic driver...

Page 26: ...entation CE mark according to EMC directive Software Features Setting of valve s functional parame ters bias scale ramps dither Linearization function for the hydraulic regulation 2 selectable modes for electronic refe rence signal external analog input or internal generation Max power limitation W option Selectable range of electronic referen ce analog input voltage or current I option Complete d...

Page 27: ...wer supply to drive standard proportional valves 3 2 W solenoid IMAX 3 3 A with 12 VDC power supply to drive proportional valves with 6 option 2 1 W solenoid Reference input signal CMD1 see 4 2 Standard voltage Input range 0 10 VDC Input impedance Ri 50 kW I option current Input range 4 20 mA 0 20 mA Input impedance Ri 500 W Enble Input Signal CMD2 see 4 5 ON OFF Input Signal CMD1 CMD2 see 4 6 Inp...

Page 28: ...can be set in a range from 80 to 500 Hz default value is 200Hz Lower dither setting reduces the hysteresis but also reduces the regulation stability In some appli cation this can lead to vibration and noise right setting usually depends on system setup Default dither is a valid setting for a wide range of hydraulic applications 6 5 Linearization Linearization function allows to set the relation be...

Page 29: ...nable input signal is used to select which driver solenoid has to be active To operate double solenoid valves it is required to parallel wire the two drivers see following scheme select opposite polarity default and reverse for the two enable signals see 4 5 manage from PLC or machine unit 1 analog reference signal corresponding to desired valve s regulation and 1 ON OFF signal to select the activ...

Page 30: ... dither Linearization function for the hydraulic regulation 2 selectable modes for electronic refe rence signal external analog input or internal generation Max power limitation W option Selectable range of electronic referen ce analog inputs voltage or current Complete diagnostics of driver status solenoid and driver fault conditions Intuitive graphic interface E BM A 01H Electronic driver in DIN...

Page 31: ...meters directly connected to the driver using the 5 VDC supply output available at pin C3 and C4 4 5 Enable Input Signal pin D3 referred to pin D2 Enable input signal allows to enable disable the current supply to the solenoids without removing the electrical power supply to the driver it is used to maintain active the serial connection and the other driver functions when the valve must be disable...

Page 32: ...dither is a valid setting for a wide range of hydraulic applications 6 5 Linearization Linearization function allows to set the relation between the reference input signal and the current supplied to the solenoid Linearization is useful for applications where it is required to linearize the valve s regulation in a defi ned working condition e g maximum pressure control at defined working flow 6 6 ...

Page 33: ...NABLE Enable 24 VDC or disable 0 VDC the driver see 4 5 Input on off signal D4 STATUS Fault default or software selected output see 4 6 Output on off signal Note Only for double or two single solenoid driver version 05H 8 FRONT PANNEL CONNECTOR AND LEDS RJ45 CONNECTOR PIN SIGNAL DESCRIPTION 1 Not connected 2 Not connected 3 Not connected 4 GND Signal zero data line 5 RX Driver receiving data line ...

Page 34: ... the proportional valve which regulates the hydraulic flow to the actuator The position feedback interfaces are SSI incremental encoder potentiometer or stan dard analog inputs voltage or current software selectable A front panel serial port is always present for configuration and monitoring of the controller The controller can be operated in real time by external or internally generated reference...

Page 35: ...1 I2 I3 I4 I5 I6 I7 I8 A1 A2 X1 X2 OK DWN UP ENT ESC RS232 PROFIBUS DRIVER T A B P T M L Z ME KZ O1 O2 O3 O4 O5 O6 O7 A3 A4 A5 I1 I2 I3 I4 I5 I6 I7 I8 A1 A2 X1 X2 OK DWN UP ENT ESC RS232 PROFIBUS DRIVER T A B P T M P P Z ME KZ O1 O2 O3 O4 O5 O6 O7 A3 A4 A5 I1 I2 I3 I4 I5 I6 I7 I8 A1 A2 X1 X2 OK DWN UP ENT ESC RS232 PROFIBUS one remote pressure transducer has to be installed on the actuator s port ...

Page 36: ...ydraulic electronic system architecture thanks to internal reference generation for repetitive working cycles SSI digital position transducer for accurate axis control two pressure transducers for alternated force control auxiliary digital inputs output to synchronize the machine functions fieldbus connection for machine remote control and advanced diagnostics DRIVER T A B P T Z ME KZ O1 O2 O3 O4 ...

Page 37: ...fferent transducer interfaces are available on the controller depending to the system requirements potentiometer analog signal SSI and encoder see 7 3 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 7 2 Pressure force transducers...

Page 38: ...ring are not allowed via front panel operations 8 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 There are 22 led divided in four different types internal controller s status Active OK digital input status I1 I8 digital output status O1 O7 software programmable led A1 A5 for specific functions...

Page 39: ...stics to select the transducer type that mach the specific application requirements see 7 2 The input range and polarity are software selectable within the maximum range 10 VDC for voltage or 0 20 mA for current default setting is 0 10 VDC 11 6 Analog valve monitor input signal VALVE_MONITOR VALVE_MONITOR The controller allows to monitor the regulation of the proportional valve which operates the ...

Page 40: ...ction 13 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 condition...

Page 41: ...LVE REF VALVE MONITOR VALVE MONITOR DI 1 DI 3 DI 2 VREF 10VDC VREF 10VDC P_TR P_TR AGND DO 1 DO 2 1 1 For the valve driver electrical connection please refer to the specific technical table 2 For the potentiometer position transducer connection please refer to transducer datasheet 3 For the analog position transducer connection please refer to transducer datasheet 1 For the valve driver electrical...

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