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DE-M060304E • DEWE-ORION-1616-10x • Technical Reference Manual • Printing version 1.2.0 • March 19, 2014

DEWE-ORION-1616-10x

2.5.3 Counter and DI/O DEWE-ORION-1616-100/101

The counters and digital input and output at the DEWE-ORION-1616-100 can be configured in the most flex

ible way. DI0 to DI7 can be used as digital input and / or for the counter inputs. Please refer also to the input

connector description above.

Source Bx_CNT0 ~ 1

Gate Bx_CNT0 ~ 1

Aux Bx_CNT0 ~ 1

Additional

Inputs

Bx_DI 0 to 7

Bx_DI 8 to 15 or DO 0 to 7

Filter

Counter 0

Counter 1

Enable

Counter out 0

Counter out 1

DI 0 to 15

Decoder

Filter

Output register

Controlled by

application

Filter

Figure 5: Counter and digital input organization

In addition to the basic counter input selections also several additional inputs can be used as counter source.

Source input

Gate input

AUX input

Source Bx_CNT(n)

Gate Bx_CNT(n)

Aux Bx_CNT(n)

Source from pair counter

Gate from pair counter

AUX form pair counter

Gate Bx_CNT(n)

Source Bx_CNT(n)

Gate from pair counter

Source from pair counter

Aux Bx_CNT(n)

Gate Bx_CNT(n)

AUX form pair counter

Gate from pair counter

ADC Clock

40 MHz
Bx_DI6

Bx_DI6

Bx_DI7

EXT_CLK

EXT_Trigger

EXT_CLK1

EXT_CLK2

The upper 8 bits of the digital input word also can be configured to output. Writing the outputs is an asyn

chronous action defined by the host application software. But even when if the output mode is activated the

output level also can be measured to get the exact timing information when the output is really set.

Содержание DEWE-ORION-1616-10 Series

Страница 1: ...ll supply you with accurate complete and reproducible measurement results for your decision making Look forward to the easy handling and the flexible and modular use of your DEWETRON product and draw...

Страница 2: ...ted by copyright All rights are reserved Reproduction adaptation or translation without prior written permission is prohibited except as allowed under the copyright laws All trademarks and registered...

Страница 3: ...signals 15 2 3 1 Naming 15 2 3 2 Connectors 16 2 3 2 2 Adapters for base board 16 2 3 2 3 Connectors for TTL counter expansion 17 2 3 2 4 Signal connection for TTL counter expansion 18 2 3 2 5 Connect...

Страница 4: ...3 2 1 5 Pulse Width Measurement 41 3 2 1 6 Two Pulse Edge Separation Measurement 42 3 2 1 7 Motion Encoder 43 3 2 1 8 Quadrature Encoder 44 3 2 1 9 A Up B Down Encoder 46 3 2 1 10 Frequency Measuremen...

Страница 5: ...e contact your local distributor first or DEWETRON directly For Asia and Europe please contact For the Americas please contact DEWETRON Ges m b H DEWETRON Inc Parkring 4 10 High Street Suite K A 8074...

Страница 6: ...e following general safety precautions must be observed during all phases of operation service and repair of this product Failure to comply with these precautions or with specific warnings elsewhere i...

Страница 7: ...o a DEWETRON sales and service office for service and repair to ensure that safety features are maintained Keep away from live circuits Operating personnel must not remove equipment covers or shields...

Страница 8: ...improperly handled at it s end of life Please recycle this product in an appropriate way to avoid an unnecessary pollution of the environment and to keep natural resources This symbol indicates that...

Страница 9: ...DEWE ORION 1616 10x series expands the simultaneous sample A D boards from DEWETRON Even the standard version offers already 16 analog input channels two 32 bit counter encoder inputs and 16 digital...

Страница 10: ...the board or available on www dewetron com or ftp dewetron com Device driver shipped with the board Recommended options not shipped with the board Signal connection e g BNC connector box ORION CB16 B...

Страница 11: ...ce with the instructions in your PC manual When you have finished the hardware installation and boot up your computer the operating system will alert that it found a new hardware Chancel the windows h...

Страница 12: ...oft installation If the installation software doesn t start when you insert the DEWE System DVD into the computer start it manually by clicking on the ShelExec exe file on the DVD or navigate to HTML...

Страница 13: ...al Printing version 1 2 0 March 19 2014 DEWE ORION 1616 10x The install shield wizard will simplify the installing procedure Select the needed options you want to install and enter your information Se...

Страница 14: ...sktop For more information about the DEWESoft installation please refer to the DEWESoft Software Users Manual To modify the hardware settings select System Hardware setup in the menu Select DEWETRON D...

Страница 15: ...the expansion board code letter E gets a channel prefix name like shown in the example below for a two board system Following block diagram explains the naming Multi board system ORION Base board 0 So...

Страница 16: ..._DO 4 Bx_DO 5 Bx_DO 6 Bx_DO 7 5DV DGND DGND 5DV DGND DGND Digital Input Bx_DI 8 Bx_DI 9 Bx_DI 10 Bx_DI 11 Bx_DI 12 Bx_DI 13 Bx_DI_14 Bx_DI 15 Digital Input Bx_DI 0 Bx_DI 1 Bx_DI 2 Bx_DI 3 Bx_DI 4 Bx_D...

Страница 17: ...I 14 Bx_DI 15 Digital Input Counter Input 2 3 2 3 Connectors for TTL counter expansion The DEWE ORION 1616 100 can be expanded with 8 additional counters or 32 digital inputs with TTL input level Thes...

Страница 18: ...DIO PANEL 1 and ORION DIO PANEL 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 Aux Ex_CNT7 Gate_Ex_CNT7 Source Ex_CNT7 Aux Ex_CNT6 Gate Ex_CNT...

Страница 19: ...19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 Aux Ex_CNT5 Gate_Ex_CNT5 Source Ex_CNT5 Aux Ex_CNT4 Gate_Ex_CNT4 Source Ex_CNT4 Aux Ex_CNT3 Gate_Ex_CNT3 Source Ex_CNT3 Aux Ex_CNT2 Gate Ex_CN...

Страница 20: ...I 28 Ex_DI 31 68 pin Amplimite series AMP 174339 5 SCSI II Counter expansion The DEWE ORION 1616 100 can be expanded with 8 additional counters or 32 digital inputs with differen tial input adjustable...

Страница 21: ...8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 Aux Ex_CNT7 Gate_Ex_CNT7 Source Ex_CNT7 Aux Ex_CNT6 Gate Ex_CNT6 Source Ex_CNT6 5 V 12 V In DI 0 In DI 1 In DI...

Страница 22: ...x_DI 11 Ex_DI 12 Ex_DI 13 Ex_DI_14 Ex_DI 15 Digital Input Ex_DI 0 Ex_DI 1 Ex_DI 2 Ex_DI 3 Ex_DI 4 Ex_DI 5 Ex_DI 6 Ex_DI 7 68 pin Amplimite series AMP 174339 5 SCSI II Analog expansion Ex Analog expans...

Страница 23: ...ent of the 9 pin connectors on the DB9 adaptor 5 4 3 2 1 9 8 7 6 Res Res DGND CANx_low 5 V 12 V Res CANx_high DGND DEWE CAN CAB 2 with two 9 pin SUB D connectors Two 9 pin SUB D connectors prepared to...

Страница 24: ...ailable in sensed measurement mode With this technique the influence of ground loops between signal source and the DEWE ORION 1616 10x can be completely eliminated Figure 2 shows the principle of the...

Страница 25: ...Talk get lost Also the high signal to noise ratio can only be guaranteed by using a shielded twisted pair cable to connect the signal sources to the DEWE ORION 1616 10x The analog input structure of...

Страница 26: ...gives the possibility to measure with just one input the frequen cy AND also counting the pulses Also additional pins can be routed to the counter blocks For example the ADC clock can be used to measu...

Страница 27: ...ut selections also several additional inputs can be used as counter source Source input Gate input AUX input Source Bx_CNT n Gate Bx_CNT n Aux Bx_CNT n Source from pair counter Gate from pair counter...

Страница 28: ...out 5 Decoder Decoder Filter Internal time base sample clock Filter Counter 6 Counter 7 Counter out 6 Decoder 80 MHz or sample clock 80 MHz or sample clock Decoder Filter Ex_DI 0 to 31 Ex_Out 0 Prog D...

Страница 29: ...o 40 Volt and a software selectable AC DC coupling with 1 Hz cut off frequency is included Source Ex_CNT n Additional Inputs Ex_DI 0 to 7 Filter Filter Counter n Counter out n DI 0 to 31 Decoder Gate...

Страница 30: ...ommon used levels are predefined like TTL inductive pick up sensors Selecting Custom as the trigger type All parameters are free definable If the sensor signal is not known an automatic algorithm for...

Страница 31: ...CAN The signal is automatically set for hardware synchronisation of NI CAN device If no CAN device is selected the output is disabled FAN This allows to switch off the system FAN during storing the da...

Страница 32: ...Trigger circuit EXT_CLKx internal signal ADC sample clock or 80 MHz DIR_CLK 1 N0 internal signal CLK1 I O DIR_CLK1 1 N1 EXT_Trigger internal signal start of acquisition DIR_Trigger EXT_CLK1 internal s...

Страница 33: ...oftware If just CAN acquisition of CAN messages is required the Listen Only mode can be used In this mode the DEWE ORION 1616 10x board generates no output data even if the CAN baud rate is wrong sele...

Страница 34: ...y changing the internal TTL synch bus levels from TTL to RS 422 level the distance between two systems can be increased by up to 50 metres by using standard CAT5 Ethernet cables Please contact DEWETRO...

Страница 35: ...9 3 Defining the board order In multiple boards application the location of each single board has to be known This is required to get the correct channel mapping at the application software The PCI bu...

Страница 36: ...automatic order The order can be changed by clicking on the name of the board and moving it with the move up down but tons Please note that the settings are taken only after clicking the button Apply...

Страница 37: ...1000 Frequency kHz Amplitude dB Figure 11 Overall bandwidth and bandwith with lowpass filter 3 1 2 Analog to digital conversion The DEWE ORION 1616 10x series is based on successive approximation ana...

Страница 38: ...ts the number of pulses that occur on counter source At every sample clock the counter value is read without disturbing the counting process Figure 12 shows an example of event counting where the coun...

Страница 39: ...unter retains the current count value At every Sample Clock the value is read Figure 13 shows an example of Gated Event Counting where the counter counts three events on Counter Source At 1 and 2 the...

Страница 40: ...ignal state on Counter Aux If Counter Aux is active high level the counter is increasing the counter value if Counter Aux is inactive low level the counter is decreasing the counter value Figure 14 sh...

Страница 41: ...read out Figure 15 shows a Period Time Measurement 290 218 290 0 218 290 1090 1600 0 290 218 290 1090 1090 Sample Clock Counter Source Synchronized Value 80 Mhz Counter Value 1 2 3 4 5 6 Figure 15 Per...

Страница 42: ...edge separation measurement is similar to the pulse width measurement except that there are two input signals Counter Start and Counter Stop After a rising edge has occurred on Counter Start the count...

Страница 43: ...channel A B and Z Channel A and channel B are providing the square signals for the counter and have a phase shift of 90 With this phase shift the decoder is able to recognize the rotation direction o...

Страница 44: ...A Synchronized Value Input B Counter Value 1 2 3 4 8 7 6 5 4 1 2 3 7 8 9 Figure 18 Quadrature Encoder X1 Mode For X2 encoding the rising edges and the falling edges of Input A are used to increment or...

Страница 45: ...15 17 16 14 12 10 8 6 4 2 15 13 11 9 7 5 3 1 1 2 3 7 8 9 Figure 20 Quadrature Encoder X4 Mode The third channel Input Z which is also referred as the index channel causes the counter to be reloaded wi...

Страница 46: ...crements the counter on its rising edges A pulse on Input B decrements the counter on its rising edges At every Sample Clock 1 2 9 the counter value is read out This situation is shown in Figure 22 0...

Страница 47: ...e two counters are paired i e it have to be used counter 0 and counter 1 or counter 2 and counter 3 or counter 4 and counter 5 or counter 6 and 7 for the frequency measurement The first coun ter count...

Страница 48: ...time is set to Off no filter is on the input signal The filter circuit samples the input signal on each rising edge of the internal time base If the input signal maintains his state for at least the g...

Страница 49: ...wo internal time base period times may or may not pass depending on the phase of the input signal with respect to the internal time base Properties of all filter settings Filter settings Pulse width t...

Страница 50: ...asurement there may be new information between two samples Also measuring the line frequency of about 50 Hz with a sample rate of 10 kSamples sec means that only after every 200th mea surement new inp...

Страница 51: ...Typical analog bandwidth 3 dB 100 kHz Input impedance 10 M parallel 5 1 k 30 pF Overvoltage protection 30 V Common mode rejection ratio CMRR of AISense 54 dB fin 1kHz Channel separation cross talk 90...

Страница 52: ...100 kOhm Input low level 0 7 V to 0 8 V Input high level 2 V to 5 V Input low current 50 A Input high current 10 A Input capacitance 5 pF Overvoltage protection 25 V Input signal characteristic expan...

Страница 53: ...ation Not isolated Bus pin fault protection 36 V ESD protection 12 kV HBM CAN tranceiver SNHVD235 PCI data transfere mode DMA with SW pooling ORION CAN 5 V DSUB max 500 mA per channel self healing fus...

Страница 54: ...e 2000 m Pollution degree indoor use only 2 Physical Dimensions not including connectors 17 5 x 10 7 cm 6 9 x 4 2 in Analog input connector main board 68 pin SCSI male AMP 174341 5 Analog input connec...

Страница 55: ...he regulations of the following EC directives 73 23 EEC Directive on the approximation of the laws of the Member States relating to electrical equipment designed for use within certain voltage limits...

Страница 56: ...C2 Notes...

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