G030 - Atos
Contents
1. g SSIS S S K Ke S A Eg S S ggg T F SES N i J g Q Electronic p ON OFF reference RS232 i RJ45 yY y y i inputs input signals CONNECTOR i bax x i 1 ph MICROCONTROLLER CMD1 c c 3 2p 3 ai REFERENCE OE pia CMD2 GENERATOR REFERENCE S1 Fla bia DGND REFERENCE S2 CUITENL SCALE BIAS LINEARIZ DODE supply to 4 CONVERTER POWER solenoids Le SUPPLY V POWER GND SCALE BIAS LINEARIZ RAMPS ENABLE input CURRENT TO CURRENT TO STATUS output SOLENOID S2 SOLENOID 1 Rare Who 7 Wi MRS lL r e F a i 1 ij OH SINGLE SOLENOID VALVE TWO SINGLE SOLENOID VALVES DOUBLE SOLENOID VALVE Loa wey L E Pisce A eae eee a i fi Af 2 s1 s2 s2 s1 ij fi 7 tie et ji See ee el a S2 i 1 EO HS H Z tt l il SAL 2 H o a Only for 05H version VALVE S ELECTRICAL CONNECTORS 05H G030 3 MAIN CHARACTERISTICS Power supply see 4 1 Standard Nominal 24 Voc Rectified and filtered Vrms 20 32 Vmax ripple max 10 VPP option 12 Nominal 12 Voc Rectified and filtered Vams 10 14 Vmax ripple max 10 VPP Max power consumption 50 W_ for 01H version and for O5H version if drive double solenoid valve 100 W for O5H version if drive two sing2. viour for these applications ramp function can be software disabled default setting 6 4 Dither The dither is an high frequency modulation of the current supplied to the solenoid to reduce the hysteresis of the valve s regulation a small vibration in the valve s regulating parts considerably reduces static friction effects Dither frequency 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 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 Internal Reference Generation nternal generation of reference values is software selectable n this mode the 4 digital inputs of the driver DI1 DI4 allow to activate the desired internal referen ce signal among the different driver s stored values external control unit can thus manage complex machine profile by simple switching the reference signal by 4 digital inputs see 4 7 The digital inputs are software configurable i
3. 6 2 2005 Emission EN 61000 6 4 2001 Communication interface RS232 serial connection not insulated Atos protocol with ASCII coding see section 5 Recommended wiring cable LIYCY shielded cables 0 5 mm for length up to 40 m 1 5 mm for power supply and solenoids 4 SIGNALS SPECIFICATIONS Power supply The power supply must be anpropriately 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 A safety fuse is required in series to each driver power supply 2 5 A fuse for 01H version and for 05H version if drive double solenoid valve 5 A fuse for 05H version if drive two single solenoid valves Option 12 This driver execution is designed to receive a 12 Voc power suppIy and it is commonly used in mobile application A safety fuse is required in series to each driver power supply 4 A fuse for 01H version and O5H version if drive double solenoid valve 6 3 A fuse for O5H version if drive two single solenoid valves Reference Input Signals pin B1 and B3 both referred to pin B2 The driver proportionally transforms the external reference input signal into the current supplied to the solenoid The driver is designed to receive one 01H or two 05H analog reference inputs CMD1 on pin B1 CMD2 on pin B3 both signals are referred to a common electric ground CMD on pin B2 CMD1 has to be used in case of 05H version that drives one double
4. solenoid valve The input range is software selectable among voltage 0 10 Vpc or current 4 20 mA with cable break detection or O 20 mA Default settings 0 10 Voc for two position valves 0 10 Voc for three position valves see valve s tech table Other ranges can be set by software Internal reference generation is software selectable see 6 6 Note software selection of analog input range voltage or current is applied to both signals CMD1 and CMD2 Pressure Input Signal pin B3 referred to pin B2 only for W option When hydraulic power limitation is active see 6 7 input signal CMD2 must be connected to an external pressure transducer installed on the hydraulic system maximum input range O 10 Voc Output supply Signal for external reference potentiometers P option The reference analog signals can be generated by one 01H or two 05H external potentiometers directly connected to the driver using the 5 Voc supply output available at pin C3 and C4 1 single solenoid valve 2 single solenoid valves 1 double solenoid valve C3 5V C3 5V 10 KQ 4 10 KQ B2 CMD B2 CMD B1 CMD1 B1 CMD1 B3 CMD2 B1 CMD1 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
5. HOS LA swoon Digital electronic E BM AS drivers DIN rail panel format for proportional valves without transducer E nternal H G Rererence AEA d a Generator Orowen Z Ill Osmans Wz R Os DR Enhanced Cll MOs fol S Diagnostic CO E f wie 2 f E BM AS wr Hydraulic A Power A Limitation pe option W atos A Scale Bias Ramps Linearization a eee I E SW PS programming software 1 MODEL CODE E BM A S PS 01H Series number Electronic driver in DIN rail panel format Options see section 5 standard 24 Voc power supply 12 12 Voc power supply A max current limitation for ex proof valves P electrical supply for external potentio meters to generate reference signal W power limitation function see 6 7 A driver for valves without transducer S digital execution 01H for single solenoid proportional valves 05H for double solenoid or two single solenoid PS Serial communication interface proportional valves Table G030 5 E E BM AS Digital drivers supply and control the cur rent to the solenoid of Atos
6. RJ45 connector driver communication port E A PS USB DB9 adapter from DB9 to USB connector PC communication port required if the DB9 communication port is not available on the PC 6 MAIN SOFTWARE PARAMETER SETTINGS The following is a brief description of the main settings and features of digital drivers For a detailed descriptions of available settings wirings and installation procedures please refer to the user manual included in the E SW PS DVD programming software E MAN BM AS user manual for E BM AS 6 1 Scale Scale function allows to set the maximum current supplied to the solenoid corresponding to the max valve regulation at maximum reference signal value This regulation allows to adapt the maximum current supplied from the driver to the specific nominal current of the proportional valves to which the driver is coupled it is also useful to reduce the maxi mum valve regulation in front of maximum reference signal For double solenoid valves two different Scale regulations are available ScaleA for positive referen ce signal and ScaleB for negative reference signal 6 2 Bias and Threshold Proportional valves may be provided with a dead band in the hydraulic regulation corresponding to their switch off status This dead band discontinuity in the valve s regulation can be compensated by activating the Bias unction which adds a fixed preset Bias value to the reference signal external input or internally gener
7. ated The Bias function is activated when the reference signal overcome the Threshold value preset into he driver The Bias setting allows to calibrate the Bias current supplied to the solenoid of the specific propor tional valve to which the driver is coupled The Threshold setting is useful to avoid undesired valve regulation at zero reference signal when electric noise is present on the analog input signal smaller threshold reduces the reference signal dead band greater values are less affected by electric noise presence If internal reference generation is active see 6 6 threshold should be set to 0 For double solenoid valves two different Bias regulations are available positive reference signal acti vates BiasA for solenoid S1 and negative reference signal activates BiasB for solenoid S2 6 3 Ramps The ramp generator allows to convert sudden change of electronic reference signal into smooth time dependent increasing decreasing of the current supplied to the solenoid Different ramp mode can be set single ramp for any reference variation two ramps for increasing and for decreasing reference variations four ramps for positive negative signal values and increasing decreasing reference variations Ramp generator is useful for application where smooth hydraulic actuation is necessary to avoid machine vibration and shocks If the proportional valve is driven by a closed loop controller the ramps can lead to unstable beha
8. e 4 4 Standard Option P C1 D as standard npu on off signal Cc c2 Dle Optical insulated on off input 0 24 Voc 28 Standard c3 DIS referred to pin B4 DGND see 4 7 5 Voc 10 mA output supply to pin B2 AGND input onpa z reference C4 DI4 5 Voc 10 mA output supply to pin B2 AGND on off analog D1 V Power supply 24 Voc see 4 1 npu power supply D D2 VO Power supply 0 Voc D3 ENABLE Enable 24 Voc or disable 0 Voc the driver see 4 5 npu on off signal D4 STATUS Fault default or software selected output see 4 6 Output on off signal Note 1 only for O5H version when used to drive two single solenoid valves WARNING if CMD2 is not used must be connect to CMD ground 8 FRONT PANNEL CONNECTOR AND LEDS RJ45 CONNECTOR DIAGNOSTIC LEDS PIN SIGNAL DESCRIPTION POWER GHEEN EED Light signal displayed Power supply status 1 ot connected Light Off Power OFF avsa l Light On Power ON 2 ot connected Orowen STATUS GREEN LED O status zy P 7 3 f ak connected oe Light signal displayed Driver status Os Light Off or Light On Fault conditions 4 GND Signal zero data line ie IEC 60600 standara STOW blinking Driver disabled 3 A for RS232 serial Fast blinking Driver enabled 5 RX Driver receiving data line e Bm as f Communication S1 amp S2 YELLOW LEDS 6 TX Driver transmitting data line Light signal displayed Coil status Light Off PWM command OFF 7 ot connected Light On PWM command ON Slow blinking Coi
9. it p1xQ1 internally set by software the driver automatically reduces the flow regulation of the valve The higher is the pressure feedback the lower is the valve s regulated flow PowerLimit sw setting Transducer Pressure CMD2 Flow regulation Min Flow Reference CMD1 6 1 6 2 Scale Bias amp Threshold current Solenoid S1 Scale A regulation BiasA Threshold J Bias B reference Solenoid S2 G regulation Scale B 6 3 Ramps l reference 1 t 1 current t 6 4 Dither reference current 6 5 Linearization current Solenoid S1 ian Solenoid s2 502 e B 6 6 Internal Reference Generation reference DI4 meo t DIS DI2 ooo ni DI1 po Single internal generator selection standard mode Di DI2 DI3 Di4 Reference OFF OFF OFF OFF External ON OFF OFF OFF Generation 1 ON OFF OFF Generation 2 ON OFF Generation 3 ON Generation 4 Double internal generator selection standard mode DU DI2 S1 DI3 bl4 S2 OFF OFF External OFF OFF External ON OFF Generation 1 ON OFF Generation 1 ON Generation 2 ON Generation 2 Note Don t care 6 7 Hydraulic Power Limitation Q Qi reference signal for valve regulati
10. l not connected 8 ot connected Fast blinking Short circuit on the solenoid 9 OVERALL DIMENSIONS mm AND INSTALLATION iA Le Os overall dimension with i N Z C fh D assembled connectors A LY me DIN rail dimensions ae io loa gt 5 Oo un OV S m Blase 2 3 eee 8 8 IS FP eee a T To unlock the driver from the DIN rail 1 pull down the locking slide with a Nd screwdriver i E 2 2 rotate up the driver in Mey 4 Ay S D B aN AN My wire ees in the Saale AAN aA press the button with a screwdriver ye ye 2 insert the cable termination 2 gt 04 15
11. le solenoid valves Imax 2 7 A with 24 Voc power supply to drive standard proportional valves 3 2 Q solenoid 4 2 4 3 4 4 4 5 4 6 4 7 4 8 5 Current supplied to solenoids Imax 3 3 A with 12 Voc power supply to drive proportional valves with 6 option 2 1 Q solenoid Imax 2 5 A with 24 Voc power supply to drive ex proof proportional valves 3 2 Q solenoid for A option Reference input signal see 4 2 Curent range 220mA _Inputimpedance Hi 500 Enable and ON OFF inputs see 4 5 4 7 Range 0 24 Voc OFF state 0 5 Voe ON state 9 24 Voc Inputimpedance Ri gt 10kQ Output supply see 4 4 5 Voc max 10 mA output supply for external potentiometers only for P option Status output see 4 6 Output range 0 24 Voc ON state gt power supply 2 V OFF state lt 1V max1 4A Alarms Solenoid not connected short circuit and cable break with current reference signal Format Plastic box IP20 protection degree L 35 H 7 5 mm rail mounting as per EN60715 Operating temperature 20 60 C 20 40 C for O5H version if drive two single solenoid proportional valves storage 25 85 C ass 130g Additional characteristics Short circuit protection of current output to solenoids protection against reverse polarity of power supply Electromagnetic compatibility EMC According to Directive 2004 108 CE Immunity EN 61000
12. nnection is required between the PC and the electronic driver communication port Basic programming software free download E SW PS web download software can be downloaded upon web registration at www download atos com service and DVD not included Full programming software to be ordered separately Upon web registration user receive via email the Activation Code software free license and login data to access Atos Download Area The software remains active for 10 days from the installation date and then it stops until the user inputs the Activation Code E SW PS 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 Download Area The software remains active for 10 days from the installation date and then it stops until the user inputs the Activation Code E SW PS 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 E SW PS software manuals USB drivers and fieldbus configuration files at www download atos com Cable and adapter to be ordered separately E C PS DB9 RJ45 cross cable from DB9 connector PC communication port to
13. nto 2 different reference selection mode e Standard mode each digital input corresponds to a different value up to 4 different internal values are available 2 2 with E BM AS PS O5H driving two single solenoid valves e Binary mode each digital input combination corresponds to a different value up to 15 different internal values are available 3 3 with E BM AS PS 05H when driving two single solenoid valves A dedicated ramp time value can be set by software for each available stored reference value Note with all input signals DI set to zero the driver can be commanded by external analog refe rence also if internal reference generation is selected for more information please refer to the pro gramming manual E MAN BM AS 6 7 Hydraulic Power Limitation W option only for drivers E BM AS PS 05H E BM AS drivers with W option electronically perform hydraulic power limitation on direct and pilot operated flow control valves direct and pilot operated directional control valves mechanical pressure compensator variable displacement pumps with proportional flow regulator e g PVPC LQZ tech tab A170 The driver receives the flow reference signal by the analog external input CMD1 see 4 2 or by the internal generator see 6 6 and a pressure transducer installed in the hydraulic system has to be connected to the driver s analog input CMD2 When the actual requested hydraulic power pxQ CMD2xCMD1 reaches the max power lim
14. on p pressure P feedback Regulation curve with and without power limitation p1 x Q1 max power limit GO030 7 CONNECTIONS directly on the connectors The 4 fast plug in connectors A B C D included in the supply provide simple wirings easy driver s replacement and the possibility to test the signals A B C D connectors are included in the supply CONNECTOR PIN SIGNAL TECHNICAL SPECIFICATIONS NOTES A1 SOL S1 Current to solenoid S1 A2 A A Output power PWM 3 ri SOL S2 Current to solenoid S2 only for 05H version B1 CMD1 Reference analog input 10 Voc 20 mA maximum range software selectable see 4 2 Standard P option see 4 4 B2 CMD B Zero signal ground for reference signals Reference for 5 Voc output AGND Input analog signal B3 CMD2 1 Reference analog input 10 Voc 20 mA maximum range software selectable see 4 2 B4 DGND Optical insulated ground for on off inputs DI1 D14 Standard P option se
15. proportional valves without transducer according to the electronic reference input signal The solenoid proportionally transforms the cur rent into a force acting on the valve spool or poppet against a reacting spring thus providing the hydraulic regu lation E BM AS can drive up to two single or one double solenoid proportional valves Electrical Features e 4 fast plug in connectors RJ45 connector for RS232 Serial communication to program the driver with the Atos PC software 4 leds for diagnostics power sup ply presence driver status solenoid status S1 and S2 5 Voc output supply for external refe rence potentiometers P option Electrical protection against reverse polarity of power supply Plastic box with IP20 protection degree and standard DIN rail mounting CE mark according to EMC directive Software Features e 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 inputs voltage or current Complete diagnostics of driver status solenoid and driver fault conditions Intuitive graphic interface 2 BLOCK DIAGRAM lt lt A SX y
16. tunctions when the valve must be disabled for safety reasons To enable the driver supply a 24Vpc on pin D3 referred to pin D2 Status Output Signal pin D4 referred to pin D2 Status output signal indicates fault conditions of the driver short circuits solenoids not connected cable broken for 4 20mA input and is not affected by Enable input signal status fault presence corresponds to 0 Voc normal working corresponds to 24 Voc When hydraulic power limitation function is active see 6 7 status output signal can be software configured to indicate power limitation status not active 0 Voc or active 24 Voc ON OFF Input Signals pin C1 C4 referred to DGND pin B4 When the driver is configured in internal reference generation mode see 6 6 the 4 ON OFF input signals DI are used to select the active referen ce signal among the available stored values If the 4 ON OFF input signals DI are not active the driver can be commanded by external analog reference The polarity of the digital inputs can be customized active status 24 Voc is the default setting Note with P option two ON OFF signals are available as digital inputs Dl Possible combined options 12W 12PW AW PW and APW only for 05H 12P and AP for 01H and 05H PROGRAMMING TOOLS see tech table GS500 Valve s functional parameters and configurations can be easily set and optimized using Atos E SW PS programming software A proper RS232 co
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