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Technical Documentation

POS-123-U

POS-123-P

POS-123-U-SSI

Universal positioning module, alternatively with power output stage or SSI interface

Содержание POS-123-P

Страница 1: ...Technical Documentation POS 123 U POS 123 P POS 123 U SSI Universal positioning module alternatively with power output stage or SSI interface...

Страница 2: ...ng the language 22 5 2 2 MODE Switching between parameter groups 22 5 2 3 SENS monitoring of the modul functions 22 5 2 4 EOUT Output signal READY OFF 23 5 2 5 HAND Manual speed 23 5 2 6 INPOS In posi...

Страница 3: ...SIGNAL M Type of the monitor output signal 45 7 8 2 SIGNAL U Polarity of the output signal 45 7 8 3 CURRENT Rated output current 46 7 8 4 DFREQ Dither frequency 46 7 8 5 DAMPL Dither amplitude 46 7 8...

Страница 4: ...alogue sensor interface and Ethernet interface Ethercat Profinet 1 2 Scope of supply The scope of supply includes the module plus the terminal blocks which are part of the housing The Profibus plug in...

Страница 5: ...55 0 Fax 49 0 2163 577355 11 Home page www w e st de or www west electronics com EMAIL info w e st de Date 23 08 2019 The data and characteristics described herein serve only to describe the product T...

Страница 6: ...by trained specialist staff The instruction manual must be read with care The installation instructions and the commissioning instructions must be followed Guarantee and liability claims are invalid...

Страница 7: ...allows higher dynamics and higher stability respectively The SSI extension is available for use with digital sensors see additional information SSI INTERFACE Sensors with a resolution of one m can be...

Страница 8: ...chnical enhancements a Programmable analogue output only one version U instead A and I is necessary b Improved profile generator c Independent adjustment between SDD and NC mode d PT1 filter to stabil...

Страница 9: ...de in Germany W E ST Ready 1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 13 D 41372 Niederkr chten Homepage http www w e st de W E ST Elektronik 13 14 15 9 10 11 12 16 A B Klemmbl cke steckbar Terminals removab...

Страница 10: ...es frequency converters power contactors and cable lengths 3 m Inexpensive SMD ferrites can be used with high frequency radiation The screening should be connected to PE PE terminal as close to the mo...

Страница 11: ...s can be set linearly LIN or approximately quadratically SQRT1 via the CTRL parameter For normal proportional valves SQRT1 is the input setting For control valves with a linear flow curve it depends o...

Страница 12: ...count when designing the system The electronic limitations lie mainly in the resolution of the analogue signals although a resolution of 0 01 only needs to be considered for our modules with long posi...

Страница 13: ...ntrol signal Check the control signal with a voltmeter The control signal PIN 15 to PIN16 lies in the range of 10 V In the current state it should be 0 V Alternatively if current signals are used appr...

Страница 14: ...3 08 2019 3 5 The Start Up assistant The function of the start up assistant is available on request3 Start up assistant for positioning drives 3 This assistant is available in special versions of the...

Страница 15: ...PIN 7 START RUN input The position controller is active and the external analogue demand position is accepted as the demand value If the input is disabled during the movement the system is stopped wit...

Страница 16: ...l functions are possible 2 All LEDs flash shortly every 6 s An internal data error was detected and corrected automatically The module still works regularly To acknowledge the error the module has to...

Страница 17: ...nal Power 3 4 0 V 10 9 Speed Commands SIGNAL V VELO VRAMP 0 10V 0 V Command speed 11 Control program v 24 V input 6 Hand Profil Generator Commands VMAX SYS_RANGE VMODE NC Input Selektor Commando SIGNA...

Страница 18: ...A three wire connection z B 24 V Valve 6 PE plug with OBE electronics A 24 V supply B 0 V supply C GND or enable D differential input E differential input F diagnostics PE PIN 15 PIN 16 PIN 12 Module...

Страница 19: ...outputs Voltage Signal resolution Current Signal resolution V mA mA 2 x 0 10 differential output 10 max load 0 006 4 20 390 Ohm maximum load 0 006 Controller sample time ms 1 Serial interface USB in R...

Страница 20: ...alue Input scaling SIGNAL W U0 10 Type of input Speed input SIGNAL V OFF Type of input VELO 10000 0 01 Internal speed value VRAMP 200 ms External speed ramp time Profile generator VMODE SDD Method of...

Страница 21: ...NAL U U 10 Type of output signal and polarity Special commands Drift compensator DC AV DC DV DC I DC CR 0 0 2000 500 0 01 0 01 ms 0 01 Control parameter of the drift compensator DC AV point of activat...

Страница 22: ...gnificant influence on system behavior and should accordingly be changed with care 5 2 3 SENS monitoring of the modul functions Command Parameters Unit Group SENS x x ON OFF AUTO STD This command is u...

Страница 23: ...he manual mode in conjunction with the EOUT command After the deactivation of the HAND input the output is set to the EOUT value 5 2 5 HAND Manual speed Command Parameters Unit Group HAND i x i A B x...

Страница 24: ...1 SYS_RANGE Working stroke Command Parameters Unit Group SYS_RANGE x x 10 10000 mm STD This command defines the full stroke which corresponds to 100 of the input signal If the demand is set incorrect...

Страница 25: ...RANGE nominal range or nominal stroke is used to define the length of the sensor This value should be always higher than SYS_RANGE The control parameter cannot be calculated correctly in case of wrong...

Страница 26: ...ned by a length of 120 mm of the sensor a working stroke of 100 mm of the cylinder and an offset of 5 mm These pa rameters have to be typed in and the axis is driving between 5 mm and 105 mm of the se...

Страница 27: ...Group VELO x x 1 10000 0 01 SIGNAL V OFF Specification of the internal speed limitation 5 4 2 VRAMP Ramp time for external speed demand Command Parameters Unit Group VRAMP x x 10 5000 ms SIGNAL V The...

Страница 28: ...e following error to follow the position profile The magnitude of the following error is determined by the dynamics and the closed loop gain The advantage is that the speed is constant regardless of e...

Страница 29: ...ain is calculated internally depending on the deceleration distance The shorter the deceleration distance the higher the gain A longer deceleration distance should be specified in the event of instabi...

Страница 30: ...celeration stroke with stroke dependent deceleration The conversion and therefore also the correct data demands related to the closed loop control system are relatively simple if the relationship desc...

Страница 31: ...on In case of zero lapped valves control valves and servo valves the LIN or SQRT1 function should be used regardless of the application The progressive characteristic of the SQRT1 function has better...

Страница 32: ...performed either at the power amplifier or in the module If the MIN value is set too high this has an effect on the minimum speed which can then no longer be adjusted In extreme cases this leads to os...

Страница 33: ...2 4 EXP This command is used to define the output signal voltage or current and to change the polarity12 Differential output 100 corresponds with 10 V 0 10 V at PIN 15 and PIN 16 Current output 100 co...

Страница 34: ...ll compensate offsets and other failure To prevent instabilities the integrator value will be frozen when the output value is lower than the deactivation point Drift compensation to compensate failure...

Страница 35: ...AV x DC DV x DC I x DC CR x x 0 2000 x 0 1000 x 0 2000 x 0 500 0 01 0 01 ms 0 01 EXP DC AV This parameter is used to define the activation point activation value The DC function is completely deactiva...

Страница 36: ...mand Parameter Unit Group AINMODE x x EASY MATH STD This command is used to switch over the kind of input scaling 5 8 2 2 AIN Analogue input scaling Command Parameters Unit Group AIN i A B C X i W X V...

Страница 37: ...C OR AIN X 1250 1000 2000 C 4 20mA Range 0 100 The offset will be compensated on 20 4 mA and the signal 16 mA 20 mA 4 mA will be gained to 100 20 mA Each of this parameterization for 4 20 mA is setti...

Страница 38: ...that the device is in an operable state and there is communication between the module and the WPC 300 Furthermore the valve control parameterization has been set with the assistance of the valve data...

Страница 39: ...llates on the target The system is working and also actuating the valve Various potential problems could be The parameterization is not yet adjusted to the system gain too high There is severe interfe...

Страница 40: ...d for an arbitrary command name expandable by an index Indexed commands are indicated by the sign i oder I is a dummy for the index E g an index can be A or B depending on the direction x parameter va...

Страница 41: ...e ideally adjusted to dynamic requirements via internal parameters Valve technology Proportional valves manufactured by REXROTH BOSCH DENISON EATON PARKER FLUID TEAM ATOS and others Features Two power...

Страница 42: ...Date Made in Germany 25 26 27 28 30 31 32 29 26 27 28 25 18 19 20 17 22 23 24 21 1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 13 W E ST Ready A B 45 0000 mm 99 0000 mm 114 0000 mm Klemmbl cke steckbar Terminal...

Страница 43: ...4 20 mA output with the scaled position demand value PIN 16 0 10 V 4 20 mA17 output with the scaled position actual value 7 4 Circuit diagram ATTENTION SENS AUTO is not recommended is case of correct...

Страница 44: ...ion max Fuse protection VDC W A 10 30 60 depending on the solenoid 3 medium time lag PWM output PWM frequency A Hz 0 5 to 2 6 step less selectable broken wire and short circuit monitored 61 2604 Sampl...

Страница 45: ...ol dynamics The standard parameterization has been used with a large number of proportional vales from various manufacturers This parameterization has proved to be good as long as no special demands c...

Страница 46: ...L should be set to zero 7 8 6 PWM PWM Frequenz Command Parameter Unit Group PWM x x 61 2604 Hz EXP The frequency can be changed in defined steps 61 Hz 72 Hz 85 Hz 100 Hz 120 Hz 150 Hz 200 Hz 269 Hz 37...

Страница 47: ...ller I element Command Parameters Unit Group PPWM x IPWM x x 0 30 x 4 100 EXP The PI current controller for the solenoids is parameterized with these commands CAUTION These parameters should not be ch...

Страница 48: ...ions the overload protection will not trigger if there is no hardware fault The function does not delimit the dynamics of the system and the full solenoid current is preserved as long as possible The...

Страница 49: ...for digital position sensors The accuracy of the internal processing is 1 m In addition the digital information is also provided as an analogue position value 0 10 V for 0 SYS_RANGE Features Digital s...

Страница 50: ...Date Made in Germany 25 26 27 28 30 31 32 29 26 27 28 25 18 19 20 17 22 23 24 21 1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 13 W E ST Ready A B 45 0000 mm 99 0000 mm 114 0000 mm Klemmbl cke steckbar Terminal...

Страница 51: ...it can happen that there are small deviations in relation to the process data displayed in the monitor when connected Connection Signal description PIN 17 0 10 V as position reference output PIN 19 P...

Страница 52: ...Baud 1 Stopbit no parity I version 4 20 mA PIN 15 PIN 12 GND Profil Generator Commands VMAX STROKE VMODE NC Input Scaling Commands SIGNAL X 0 10V 4 20mA 0 V Command position 0 V Control Function Comma...

Страница 53: ...60 Storages temperature C 20 70 Weight kg 0 250 incl standard module Connections 2 x 4 pole terminal blocks CAUTION For supply voltage and current requirement the technical data of the sensor have to...

Страница 54: ...zed as 4 20 mA signal 8 8 Parameter overview of the SSI interface Command Default Unit Description SELECT X SSI Sensor input changeover SSI RANGE 100 Working length of the sensor SSI OFFSET 0 m Positi...

Страница 55: ...e SSI sensor is matched to the sensor with the SSI commands The relevant sensor data must be available 8 9 2 SSI RANGE Sensor nominal length Command Parameter Unit Group SSI RANGE X x 10 10000 mm SSI...

Страница 56: ...Group SSI BITS x x 8 31 bit SSI The number of data bits is entered with this parameter The appropriate data is to be found in the sensor data sheet 8 9 7 SSI CODE Signal coding Command Parameters Unit...

Страница 57: ...Page 57 of 58 POS 123 2030 23 08 2019 9 Notes...

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