User Manual
Contents
1. R62 xl C46 C48 2 e R60 O ES co Figure 11 Component plan and solder side plan AIP Module Document PR 44120 00 01 HB E IPE16000 USB 17 GEMAC Sensorik Messtechnik ASIC Design 9 Component Mounting Diagram 9 2 Component Side IPE Circuit Board Figure 12 Component side IPE circuit board 9 3 Dimensions 10 00 e a 55 00 45 00 EEA All dimensions in mm Figure 13 Dimensions Document PR 44120 00_01_HB_E_IPE16000 USB 18 GEMAC Sensorik Messtechnik ASIC Design 10 Notes 10 Notes Document PR 44120 00_01_HB_E_IPE16000 USB 192. 4 GEMAC Sensorik Messtechnik ASIC Design User Manual IPE16000 USB Version 1 1 Date 06 12 2013 GEMAC IPE16000 USB Ord No PR 44120 00 www gemac chemnitz de Made in Germany GEMAC Gesellschaft f r Mikroelektronikanwendung Chemnitz mbH Phone 49 371 3377 0 Zwickauer Stra e 227 Fax 49 371 3377 272 09116 Chemnitz E Mail info gemac chemnitz de Germany Web www gemac chemnitz de GEMAC Sensorik Messtechnik ASIC Design Revision Overview Revision Overview Date Revision an OS 01 02 2013 1 0 First version 06 12 2013 ol Modification Overview features Copyright 2013 GEMAC Gesellschaft f r Mikroelektronikanwendung Chemnitz mbH Subject to change without prior notice Our policy is one of continuous improvement and consequently the equipment may vary slightly from the description and specifications in this publication The specifications illustrations and descriptions provided in this documentation are not binding in detail No part of this publication may be reproduced in any form or by any means without the prior written permis sion of GEMAC Gesellschaft f r Mikroelektronikanwendung Chemnitz mbH All rights according to copyright law expressly reserved to GEMAC Gesellschaft f r Mikroelektronikan wendung Chemnitz mbH Document PR 44120 00_01_HB_E_IPE16000 USB 1 GEMAC Sensorik Messtechnik ASIC Design Table of Content Table of Content gua SARA 6 EE H 2 1
3. The input signals are subjected to GEMAC s patented in ternal gain and offset control The phase displacement of the input signals can be corrected as well The quality of the signals issued by the sensors is monitored in the internal interpolation circuit GC IP2000 The unit can be connected via the RS422 TTL output interface to a standard counter or control The intern al power supply voltage is 5VDC In addition several build in functions of the interpolation circuit GC IP2000 e g switchable analog filter or a digital hysteresis make the unit an ideal choice for use in control systems Block diagram SPI Interface Configuration PC optional Analog Interpolation IPE with Interpolation Analog Input Unit Circuit Output RS422 Figure 1 Block diagram The IPE16000 USB processes the input signals in two steps In the first step the analog signals are correc ted 0 1Vpp 4Vpp and multiplied up to 32 times In the second step the signals are transmitted to the GC IP2000 circuit The GC IP2000 divides the signal period up to 2048 times Note A detailed description of all functions available can be found in the data sheet of GC IP2000 Document PR 44120 00_01_HB_E_IPE16000 USB 6 GEMAC Sensorik Messtechnik ASIC Design 2 Features 2 Features Analog part Analog input Sine cosine reference index signals differential or single ended Input frequency max 15kHz Automat
4. interpolation circuit GC IP2000 reach an interpolation rate of up to 16384 Document PR 44120 00_01_HB_E_IPE16000 USB 8 GEMAC Sensorik Messtechnik ASIC Design 3 Input Signals 3 3 Signal Correction The input signals are subjected to GEMAC s patented internal gain and offset control The amplitudes are controlled in the range between 0 1Vpp and 4Vpp of the standard amplitude The control range for the offset of the two signals is 10 of the nominal amplitude The phase shift of the input signals can be adjusted statically by the internal potentiometer in a range of 5 or 10 0 5V IN VANI A 0 5 V analog signals with offset and gain error corrected analog output signals Figure 5 Signal correction 3 4 Reference Signal The reference signal of measuring systems is typically called REF index point or zero point signal The ref erence signal is detected if the voltage on input pin REFP is bigger than voltage on input pin REFN 180 90 180 90 Figure 6 Reference signal Note The reference point processing in the IPE16000 USB can be deactivated in the internal configuration if no detection of the reference signal is needed Document PR 44120 00_01_HB_E_IPE16000 USB 9 GEMAC Sensorik Messtechnik ASIC Design 3 Input Signals 0 Reference signal at the output active 1 Reference signal at the output inactive Table 3 Reference signal intern Note The shape of the Z signal on t
5. offset in time by 1 increment if the digital hysteresis is activated Document PR 44120 00_01_HB_E_IPE16000 USB 10 GEMAC Sensorik Messtechnik ASIC Design 4 Output Signals 4 2 Error Signals An error signal will be generated if the input signals are no longer plausible The error signal will also be generated if the input frequency is so high that the square wave signals are unable to follow and or when the maximum input frequency is exceeded It is recommended to use the error signal for data processing Note If the error signal was detected the current measuring results and the following results should be discarded Following elimination of the cause of the error and a reset of the error bit the reference point has to be passed for absolute value measurements once again 5 Interpolation Rate 5 1 Analog Interpolation As a result of the signal noise ratio a maximum multiplication up to factor 8 is useful The interpolation rate of the IPE16000 USB is a result from multiplication of the interpolation rate of the GC IP2000 and of the multiplication factor of the input stage analog input signal interpolated analog output signal magnetic scale example Figure 8 Analog interpolation 5 2 Interpolation Rate GC IP2000 Possible interpolation rates IRATE which can be selected are 2048 2000 1600 1024 1000 800 512 500 400 256 200 128 or 100 The term interpolation rate is here understood as the number o
6. Ordering Informiatlon een 7 Gai geia AUE 8 A ERR 8 3 2 ae rullt 8 3 9 Signal CoOrrectom gen 9 3 4 Reference e ET 9 elle LI 10 ea beete 10 42 telen EE 11 5 Interpolation Rate eine 11 5 1 Analog InterpolatlOn cirio a 11 5 2 Interpolation Rate GC IP32000 nennen nsn enhn nnn nn rn nnna i nsn nnns 11 5 9 Edge Interval Setting ET 12 excel X 12 Ee e le e rke 13 7 Configuration of the Connectors nn 14 7 1 Signal Input XT WEIT 14 7 2 Signal Output X2 E 14 7 3 Signal Output X2 Male with Ordered SPI Option ss 15 AUS mota X9 ee Eerst 15 7 5 Analog Output Header X4 Analog Test Signal Sine Cosine rrura 15 RE ETETEN rekete 16 8 Configuration of the GC IP2000 nn 16 8 1 Configuration Process SERFPEPPPPPPPEPPFEFEPEEFLPPEFEPPFFFEFEEEFFEEPEPEFFEEFFERLPERPELPEFFEFFERFEPRUEPEPEFEFEEEFEPRPEPFPEELTEFFERREURERERS 16 8 2 Configuration with Software IPE16k Monitor aa 17 9 Component Mounting Diagram rrura 17 9 1 Component plan and Solder Side plan of AIP Module anne 17 9 2 Component Side IPE Circuit Board 18 9 39 BEE 18 RUE REE TU 19 Document PR 44120 00_01_HB_E_IPE16000 USB 2 GEMAC Sensorik Messtechnik ASIC Design List of Tables List of Tables Table Ke EE ITT H Table 2 Ordering information A 7 Table 3 Reference signal intern AA 10 Table 4 Configuration of the reference point 10 Table 5 Configuration of the interpolation rate rra 12 Table 6 Mi
7. P COS DVDD DVSS EN EP REF RS422 SENSVDD Sin SPI VO Vpp ZN ZP Analog Interpolator Module ground analog GND square wave signal A negative square wave signal A positive square wave signal B negative square wave signal B positive cosine signal P positive N negative supply voltage digital 5V ground digital GND error signal negative error signal positive reference signal P positive N negative EIA 422 conduction bound differential serial data transmission supply voltage analog 5V sinusoidal signal P positive N negative serial peripheral interface mean voltage peak to peak voltage square wave signal Z negative square wave signal Z positive Document PR 44120 00_01_HB_E_IPE16000 USB 5 GEMAC Sensorik Messtechnik ASIC Design 1 Overview 1 Overview The interpolation unit IPE16000 USB was designed to increase the resolution for incremental position and angular measuring systems with sinusoidal output signals offset by 90 The IC inside divides the signal period up to 16384 times Incremental encoders with voltage interface can be connected directly The inter polation unit may operate with both differential and single ended input signals The configuration of the board is possible either via EEPROM or via USB The internal AIP Module performs a permanent correction of the input signals during operating time and al low a multiplication of the signals to the factor 32
8. Sensor not connected LD1 LD2 green LD1 off Sensor signals valid Power LED Off IPE16000 USB not working LD3 green IPE16000 USB working Table 14 LED 8 Configuration of the GC IP2000 8 1 Configuration Process After the reset of the IC GC IP2000 all registers are initialised with their default values If an IPE16000 USB unit with SPl option is used it should be noted that during the whole RESET sequence the Pin MISO nWAIT is maintained at Low level Subsequently the configuration register can be modified via USB or if the SPl option was ordered via the serial interface SPI Therefore the program IPE16k Monitor has to be used with the IPE16000 USB unit After installation according to the manual of the program the IPE16000 USB must be connected to the PC refer also to Figure 10 ZA Unbenannt IPEL6k Monitor Datei Ansicht Kommunikation Extras Hilfe EZ e 3 D E RSA WEN AGEMAC IP2000 Kommandos AIP Modul Kommandos Messung Intervall 100 ms Start IP2000 Messung 1 X IP2000 Messung 2 x Anzeige OMesswert 7 Zahlwert Status Messwert Gain Cosinus M fach Ink Offset Cosinus MIMI my Gain Sinus um mm Fach Fehler Trigger Offset Sinus REE my ECGAIN EON TRGPIN Vektor Sasa ESGAIN EFAST TRGTIM ADC Cosinus Pa mV ECOFF EABZ f TRGOVL ESOFF ADC Sinus uM EEAH m my ECADC Referenz ESADC ZSTAT AIP Modul Messung 1 X AIP Modul Messung 2 x Anzeige O z hlwert Status Messwert Gain Cosinus B f
9. ach Ink Offset Cosinus EE my Gain Sinus A m fach Fehler Offset Sinus B mi ECGAIN EVLOW Vektor a AAN ETAST ADCCosinus M mvt ECOFF EADOVR M N d ADC Sinus RE mv ECADC EPGAH Referenz ESADC ZSTAT Bereit Kein Ger t vorhanden NUM Figure 10 IPE16k monitor Document PR 44120 00_01_HB_E_IPE16000 USB 16 GEMAC Sensorik Messtechnik ASIC Design 8 Configuration of the GC IP2000 8 2 Configuration with Software IPE16k Monitor The following functions differ from the description in the program manual P The checkbox for LEDMODE should always be empty because the LED Control Mode is not sup ported by the IPE16000 USB 9 Component Mounting Diagram 9 1 Component plan and Solder Side plan of AlP Module R42 C31 R11 R49 R48 600606 EAE R41 C24 C33 C47
10. atures 2 1 Ordering Information IPE16000 USB Interpolation Unit with AIP Module and GC IP2000 standard configuration PR 44120 00 Table 2 Ordering information Document PR 44120 00_01_HB_E_IPE16000 USB N GEMAC Sensorik Messtechnik ASIC Design 3 Input Signals 3 Input Signals The input signals of the IPE16000 USB are analog voltages sine cosine which have a sine shaped de pendency on the measured value position or angle The phase shift between those two analog voltages is 90 related to one period of the scale A third input signal serves as the reference point signal which de termines the zero point of the scale All three input signals are processed as differential or single ended sig nals Figure 2 Input signals single ended Figure 3 Differential input signals 3 1 Input Signals difference signal Sin SinP SinN ip o mm ae Pete difference signal Cos CosP CosN Figure 4 Input signals 3 2 Input Amplifier The IPE16000 USB has a fully differential input stage which performs a correction of the input signals over a large voltage range 0 1Vpp to 4Vpp during operating time In addition a multiplication of the input signal can be configured with a factor from 1 to 32 The synthetic Sine Cosine signals which are generated on the in put stage are fed to the interpolation circuit GC IP2000 The conditioned and multiplied analog signals in combination with the
11. f incre ments into which the sinusoidal cosinusoidal period of the input signals is divided 500mV Visin SC Vicos OmV 500mV EN o lt E lt m lt N lt 1v4 ov vd t t T t 0 0ms 0 2ms 0 4ms 0 Ems 0 8ms 1 0ms 1 2ms 1 4ms 1 6ms 1 8ms 2 0ms Figure 9 Interpolation rate GC IP2000 Document PR 44120 00 01 HB E IPE16000 USB 11 5 Interpolation Rate GEMAC Sensorik Messtechnik ASIC Design ETE Table 5 Configuration of the interpolation rate 2000 1600 1000 800 500 400 200 100 2048 1024 512 256 128 1000 1000 1000 5 3 Edge Interval Setting 0000 0 0001 1 0010 2 0011 3 0100 4 0101 5 0110 6 0111 7 1000 8 1001 9 1010 10 1011 11 1100 12 1101 13 1110 14 1111 15 The minimum time interval tpp at which the output signals A B and Z may switch can be adjusted in binary steps between 1 fosz and 128 fosz This function can be used to restrict the bandwidth of the IPE16000 USB for slow RS422 counters Min edge interval tpp Register CFG1 TPP 2 0 Pin CFGTPP 1 fosz 2 fOSZ 4 fosz 8 fosz 16 fosz 32 fosz 64 fosz 128 fosz Table 6 Minimum edge interval 5 4 Glitch Filter 000 0 001 1 010 2 011 3 100 4 101 5 110 6 111 7 VSS VDD VO open To suppress the edge noise of the output signals at low input frequencies and standstill a digital hysteresis can be activated for t
12. g IP20 SUB D 15 pin 55mm x 80mm x 20mm 1 The control ranges and the interpolation accuracy are limited between 4 5V and 4 75V Table 8 Specifications Document PR 44120 00_01_HB_E_IPE16000 USB 13 7 Configuration of the Connectors GEMAC Sensorik Messtechnik ASIC Design 7 Configuration of the Connectors 7 1 Signal Input X1 Female 2 3 4 5 6 7 8 9 0 11 12 13 14 15 SINP AVSS COSP SENSVDD REFN SINN AVSS COSN SENSVDD REFP Input Output Input Output Input Input Output Input Output Input Encoder signal sine positive Encoder ground Encoder signal cosine positive Encoder power supply 5V Encoder signal reference negative Encoder signal sine negative Encoder ground Encoder signal cosine negative Encoder power supply 5V Encoder signal reference positive Table 9 Signal input SUB D 15 pin female 7 2 Signal Output X2 Male O oo Om A C I ek 12 Me 12 13 14 15 DVSS BP DVDD EN ZN nTRGIN AN DVSS BN DVDD ZP EP Output Input Output Input Output Output Input with pullup Output Input Output Input Output Output Square wave output A positive Unit power supply ground Square wave output B positive Unit power supply 5V Error output E negative Square wave output Z negative Trigger signal input falling edge active Square wave output A negative Unit power supply ground Square wave output B negative Unit power supply 5V Square wa
13. he output of IPE16000 USB can be adapted for different applications in the configuration of the interpolation circuit If one increment is selected for the width of the Z signal the Z impulse on the output corresponds exactly to one quarter of the period duration of the signals A and B The Z impulse extends over a whole period if four increments are selected 0 1 increment 1 4 period 1 4 increments 1 period Table 4 Configuration of the reference point 4 Output Signals 4 1 RS422 The output signals are phase shifted square wave sequences as common for incremental measuring trans ducers which are counted in single or quadruple evaluation mode A synchronous Z impulse will be gener ated when the angle of 45 also refer to Figure 4 is passed through and when the analog differential input voltage between REFP and REFN exceeds the positive comparator hysteresis level If the differential input voltage is permanently above this level the reference pulse will be generated once during every signal peri od The output signals are differential AP AN BP BN ZP ZN Forward A before B Backward B before A ENT 3 X S X 3 X Ww X 0 X wx 9 X EX a X axoi ZK EX os XxX a A gt er B Z CFG1 Z4 0 Z CFG1 Z4 1 45 45 Figure 7 Interpolation output signals Note The signals A B and Z are
14. he signals A B and Z This prevents switching of the outputs with static input signals In this case all output signals are delayed by one increment Document PR 44120 00_01_HB_E_IPE16000 USB 12 5 Interpolation Rate GEMAC Sensorik Messtechnik ASIC Design Pin CFGFILT CFG1 DHE CFG1 Bit 11 Digital hysteresis VDD 1 VO 0 open 1 Table 7 Configuration of the hysteresis 6 Specifications Don t use this configuration 1 Don t use this configuration 0 deactivated 0 activated Characteristic values Recommended operating conditions Power supply Supply current Internal interface voltage Mid voltage VoBUF Output current on VoBUF Operating temperature Analog Input Specifications Input frequency Phase offset between SIN and COS Peak to Peak input voltage SINN amp SINP COSN COSP Phase deviation Oscillator frequency Interpolation Interpolation rates Minimum interval time A B signals Interpolation accuracy Propagation delay square wave outputs A B Z Other characteristics Degree of protection Connector Dimensions Min Nom Max Unit 4 75 4 5 1 5 0 5 5 V 240 mA 3 3 5 0 2 1 2 25 2 4 30 mA 20 80 C Min Nom Max Unit 15 kHz 90 2 0 1 1 0 4 Vpp 4 5 9 5 10 9 11 S 25 MHz Min Nom Max Unit 100 128 200 256 400 500 512 800 1000 1024 1600 2000 2048 1 8 1 fosz 128 fosz ns 0 7 155 fosz 187 fosz ns Extruded aluminium housin
15. ically adjusted gain 0 1Vpp 4Vpp Digital part Interpolation rate 100 128 200 256 400 500 512 800 1000 1024 1600 2000 2048 1 8 Output signals 30 bit counter value via USB serial interface SPI optional Frequency of edge change A B Z maximum 24MHz 90 square wave sequences A B Z Error signal Auxiliary signals for sensor adjustment RS422 interface 5V Signal correction Freely definable supporting point correction up to 1024 supporting points Patented digital controller for the offset control range 10 of standard amplitude Patented digital controller for the amplitude and offset Digital potentiometer with 40 steps for phase correction selectable range 5 or 10 LED control signal Possibilities of configuration Either via USB EEPROM or if the option is ordered via serial interface SPI Optional SPI internal interface Compatible to the standard SPI 16 bit MSB first SPI clock up to 25MHz For configuration and measuring value output not required for trivial systems 5V interface Miscellaneous Suppression of disturbances Selectable analog noise filter Digital hysteresis for suppression of the edge noise at the output Adaptation of IC to subsequent Adjustable minimum edge interval at the output devices Behaviour of IC in case of sensor error can be programmed Adjustable width zero signal Z of 1 4 or 1 period A B Table 1 Overview fe
16. nimum edge interval AAA 12 Table 7 Configuration of the hysteresis rrua 13 Table 8 SpeGifICatlOns iR RR ERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERE MERE M FReRRaR ee 13 Table 9 Signal input SUB D 15 pin female nennen nennen nnne nnn nnns 14 Table 10 Signal output SUB D 15 pin male rss 14 Table 11 Signal output X2 wth SPI EE 15 Table 12 USB interfaCe CT 15 Table 13 Analog output header X4 analog test signal sine cosine rss 15 Table 1A LED D 16 Document PR 44120 00_01_HB_E_IPE16000 USB 3 GEMAC Sensorik Messtechnik ASIC Design List of Figures List of Figures Figure 1 ele ET EEN 6 Figure 2 Input signals single ended rss 8 Figure 3 uela Ule gaa RURA 8 Figure 4 lala gia ASU 8 Figure 5 Signal COMECHON ET 9 Figure 6 Reference sigma 9 Figure 7 Interpolation output Signals oraret ttr tt aerea AREA aae aene eaae a e exu e 10 Figure 8 Analog interpolation siria rit aeu diei dae elle 11 Figure 9 Interpolation rate GC IP2000 rss 11 Figure MAIS ulea 16 Figure 11 Component plan and solder side plan AIp Module nennen nnnnn nennen 17 Figure 12 Component side IPE circuit board rss 18 Figure 19 DIMENSIONS tt A O O a orte tot cett pee ede la 18 Document PR 44120 00_01_HB_E_IPE16000 USB 4 Definitions and Abbreviations GEMAC Sensorik Messtechnik ASIC Design Definitions and Abbreviations AIP AVSS AN AP BN B
17. ve output Z positive Error output E positive Table 10 Signal output SUB D 15 pin male Document PR 44120 00_01_HB_E_IPE16000 USB 14 7 Configuration of the Connectors GEMAC Sensorik Messtechnik ASIC Design 7 3 Signal Output X2 Male with Ordered SPI Option Pin 1 o o DOD a C DY ex SH be 12 13 14 15 MISO DVSS SEN DVDD EN ZN nTRGIN MOSI DVSS BN DVDD ZP EP Output Input Output Input Output Output Input with pullup Input Input Output Input Output Output SPI MISO Unit power supply ground SPI SEN Unit power supply 5V Error Output E negative not used Square wave output Z negative not used Trigger signal input falling edge active SPI MOSI Unit power supply ground SPI SCK Unit power supply 5V Square wave output Z positive not used Error output E positive not used Table 11 Signal output X2 with SPI 7 4 USB Interface X3 1 USB 5V 2 USBD Data 3 USBD Data 4 ID 5 USB GND Table 12 USB interface X3 7 5 Analog Output Header X4 Analog Test Signal Sine Cosine 1 SMON Output Analog test signal sine 2 CMON Output Analog test signal cosine 3 GND Input Analog ground for measuring Table 13 Analog output header X4 analog test signal sine cosine Document PR 44120 00_01_HB_E_IPE16000 USB 15 GEMAC 7 Configuration of the Connectors Sensorik Messtechnik ASIC Design 7 6 LED Sensor monitor red LD2 off Sensor adjustment necessary
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