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Technical Documentation

POS-123-P-PFN

Universal position control module with integrated power stage and Profinet interface

Содержание POS-123-P-PFN

Страница 1: ...Technical Documentation POS 123 P PFN Universal position control module with integrated power stage and Profinet interface...

Страница 2: ...nection examples 17 4 6 Technical data 18 5 Parameter 19 5 1 Parameter overview 19 5 2 System parameters 21 5 2 1 MODE Parameter view 21 5 2 2 LG Changing the language 21 5 2 3 SENS Malfunction monito...

Страница 3: ...t loop 32 5 6 8 IMS Theoretical maximum current drain 33 5 7 Special commands 33 5 7 1 AINMODE 33 5 7 2 AIN Analogue input scaling 34 5 7 3 ST Status Report 35 5 8 PROCESS DATA Monitoring 35 6 Appendi...

Страница 4: ...ce cables and further parts which may be required should be ordered separately This documentation can be downloaded as a PDF file from www w e st de 1 3 Accessories WPC 300 Start Up Tool downloadable...

Страница 5: ...The data and characteristics described herein serve only to describe the product The user is required to evaluate this data and to check suitability for the particular application General suitability...

Страница 6: ...n 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: ...together with high stability for hydraulic drives The movement cycle is controlled via the external position and speed demands in SDD mode or via the internal profile generator in NC mode Our start up...

Страница 8: ...kAct2 V ID Add Date Made in Germany D 41372 Niederkr chten Homepage http www w e st de W E ST Elektronik Supply 45 0000 mm 99 0000 mm 114 0000 mm Typenschild und Anschlussbelegung Type plate and termi...

Страница 9: ...ency 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 module as...

Страница 10: ...position is set in the module and the drive remains stationary under control at the current position The general readiness for operation is now reported via the READY output The START signal activate...

Страница 11: ...Page 11 of 53 POS 123 P PFN 31 03 2021...

Страница 12: ...s and the flow gain flow and pressure drop system pressure maximum pump flow and a description of the general system requirements 3 2 3 Optional additional function motion profile with second speed Be...

Страница 13: ...terisation is necessary to minimize the risk of uncontrolled movements Parameterize specific settings for the control element MIN for deadzone compensation and MAX for maximum velocity Reduce the spee...

Страница 14: ...l data error was detected and corrected automatically The module still works regularly To acknowledge the error the module has to be cycle powered YELLOW A YELLOW B Both yellow LEDs flash oppositely e...

Страница 15: ...N Error at the fieldbus communication FLASHING Participant flash test of the Profinet GREEN State OFF Bus not started yet ON Connection established FLASH 2Hz Configuration mode bus was started waiting...

Страница 16: ...rofile Generator Position controller w e Position feedback c digital input Valve adaption Input scaling digital output PE via DIN rail Power supply common 17 19 ia ib 18 20 to solenoid A to solenoid B...

Страница 17: ...4 20 mA two wire connection e g 24 V In PIN 14 PIN 11 GND Sensor 4 20 mA three wire connection e g 24 V Digital outputs Digital inputs 8 7 6 5 16 15 14 13 12 11 10 9 Shield Power supply 24V 0V Positio...

Страница 18: ...240 0 006 incl Oversampling PWM output Max output current Frequency A Hz Wire break and short circuit monitored 2 6 60 2941 selectable in defined steps Controller cycle times Solenoid current control...

Страница 19: ...ion SYS_RANGE 100 mm Axis working stroke Sensor scaling SIGNAL X U0 10 Type of input signal N_RANGE X 100 mm Nominal pressure of the sensor OFFSET X 0 m Sensor Offset Position controller VRAMP 200 ms...

Страница 20: ...0 01 Output offset value SIGNAL U Polarity of the control signal Power stage CURRENT 2600 mA Rated solenoid current DFREQ 121 Hz Dither frequency DAMPL 400 0 01 Dither amplitude PWM 2941 Hz PWM freque...

Страница 21: ...texts 5 2 3 SENS Malfunction monitor Command Parameters Unit Group SENS x x ON OFF AUTO SYSTEM This command is used to activate deactivate the monitoring functions 4 20 mA sensors output current signa...

Страница 22: ...or error EOUT 0 The output is switched off in the event of an error This is normal behavior 5 2 6 HAND Manual speed Command Parameters Unit Group HAND i x i A B x 10000 10000 0 01 SYSTEM The manual sp...

Страница 23: ...meterized accuracy POSWIN D Reporting continuously the actual deviation following error in NC mode 5 3 Input signal adaptation 5 3 1 SYS_RANGE System stroke Command Parameter Einheit Gruppe SYS_RANGE...

Страница 24: ...l parameters cannot be calculated correctly in case of wrong values N_RANGE always has to be equal or higher than SYS_RANGE 5 3 4 OFFSET X Sensor offset Command Parameter Unit Group OFFSET X X x 10000...

Страница 25: ...namics and the closed loop gain The advantage is that the speed is constant regardless of external influences due to the profile demand Because of continuous control it is necessary not to run at 100...

Страница 26: ...eceleration 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 des...

Страница 27: ...D Deceleration braking distance Command Parameters Unit Group D i x i A B S x 1 10000 mm CONTROL SDD This parameter is specified in mm The deceleration stroke is set for each direction of movement A o...

Страница 28: ...function should be used The non linear flow function of these valves is linearized by the SQRT3 function In case of zero lapped valves control valves and servo valves the LIN or SQRT1 function should...

Страница 29: ...is 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 valve opening which can then no longer be adjusted In extreme cases this...

Страница 30: ...zero offsets can be compensated with this parameter 5 5 5 SIGNAL U Polarity of the output signal Command Parameter Unit Group SIGNAL U x x IO_CONFIG This command is used to switch the polarity of the...

Страница 31: ...nged in defined steps 60 Hz 70 Hz 80 Hz 90 Hz 100 Hz 110 Hz 120 Hz 130 Hz 150 Hz 199 Hz 230 Hz 280 Hz 336 Hz 405 Hz 511 Hz 1069 Hz 1470 Hz 1960 Hz 2352 Hz 2941 Hz The optimum frequency depends on the...

Страница 32: ...RSTAGE The PI current controller for the solenoid control is parameterized with these commands A higher P gain increases the dynamic of the closed current loop and so its influence on the dither The I...

Страница 33: ...nt and the duty cycle of the PWM signal Therefore its precision is affected by the PWM frequency but it is always sufficient in order to avoid triggering the protection switch Preset value of the para...

Страница 34: ...nal Usable are 0 20mA means A has the value 20 Really used are 4 20mA means B has a value of 16 20 4 Not used are 0 4mA In a range of 20mA this is an offset of 20 means a value of 2000 for C Last but...

Страница 35: ...0000 0000 status word 1 0000 0000 0000 0000 status word 2 0000 0000 0000 0000 position setpoint 1 00000000 speed setpoint 1 0x0000 position setpoint 2 00000000 speed setpoint 2 0x0000 HW enable disab...

Страница 36: ...ated Module can be activated by saving the parameters Profinet Interruption of the connection Livebit error Internal data processing buffer overflow checksum The power stage and the READY output will...

Страница 37: ...n and decreased if necessary Is there an overlapping of the valve to be compensated Values should be mentioned in the datasheet of the valve ENABLE is active the READY LED is on and the system oscilla...

Страница 38: ...IO controller can modify it Take care that the IP address is not same as any other device on the network Default address IP Address 0 0 0 0 Subnet Mask 0 0 0 0 IP Address Gateway 0 0 0 0 Address Examp...

Страница 39: ...eturns this value in PARA VALUE of the data sent to the fieldbus If the address is not valid the function will return 0xffffffff READLLIM PARAREAD returns the lower limit for the selected parameter in...

Страница 40: ...PARA ACTIVE Parameterisation is active PARA READY Parameter value was transferred correctly This bit will be reset by resetting the PARAVALID bit LIVEBIT OUT Monitoring of the fieldbus communication...

Страница 41: ...Speed demand 1 High Speed demand 1 Low UINT16 0 16383 100 0x3FFF 10 9 11 10 Position demand 2 High MSB UINT32 0 10000000 0 001 mm 12 11 13 12 14 13 Position demand 2 Low LSB 15 14 Speed demand 2 High...

Страница 42: ...o Bit Function 1 0 DIRECT Directly processing of new position demands 2 1 3 2 4 3 5 4 HAND B Manual movement 6 5 HAND A Manual movement 7 6 START Activation of the positioning process 8 7 ENABLE Gener...

Страница 43: ...2 4 3 5 4 6 5 7 6 8 7 Byte 3 control word Low No Bit Function 1 0 2 1 3 2 4 3 READLLIM PARAREAD returns the lower limit for the selected parameter 5 4 READULIM PARAREAD returns the upper limit for th...

Страница 44: ...ion High INT32 0 10000000 0 001 mm 14 13 15 14 16 15 Control deviation Low 17 16 Controller output signal High Controller output signal Low INT16 10000 0 01 18 17 19 18 Control signal to amplifier Hig...

Страница 45: ...1 0 2 1 3 2 4 3 5 4 SEGMENT 2 Second profile segment is active 6 5 POSWIN S Target position within the monitoring window 7 6 POSWIN D Following distance within the monitoring window 8 7 READY System...

Страница 46: ...rrent error solenoid A 3 2 4 3 X ERROR Position sensor error 5 4 6 5 BUS ERROR Field bus communication error 7 6 8 7 DERROR Internal data error Byte 3 status word Low No Bit Function 1 0 LIVEBIT OUT M...

Страница 47: ...he PARA VALID bit to high will transmit the data The PARA READY bit will report a successful parameterisation Attention A missing para ready bit means parameterisation was not performed Storing Same p...

Страница 48: ...ction A SDD 16 0x2022 A B Acceleration direction B SDD 17 0x2023 D A Deceleration direction A 18 0x2024 D B Deceleration direction B 19 0x2025 D S Stop distance 20 0x2026 V0 A Loop gain direction A 21...

Страница 49: ...re explained c Import the GSDML file d Project the connection between PLC and controller card via Profinet 1 In the device a module IN OUT 32 bytes has been assembled by the system The addresses will...

Страница 50: ...Page 50 of 53 POS 123 P PFN 31 03 2021 2 The driver block is supplied as SCL source In order to assemble it into the project the file has to be added to the TIA Portal as new external file...

Страница 51: ...ource After this step the driver block can be found in the blocks folder Its number may differ This FB can now be called out of the application program This should happen in a cyclic interrupt with an...

Страница 52: ...an TRUE indicates the presence of an error The bit BUS_VALID signals the operation of the bus data transfer If needed the output BUS_ERROR_CODR yields detailed diagnostic information BUS ERROR CODE Nr...

Страница 53: ...Page 53 of 53 POS 123 P PFN 31 03 2021 9 Notes...

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