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IX34510a_e.doc / Apr-11

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Application Example:
The picture below shows a Watergate where the opening is picked up by means of an SSI
encoder. We would like to display the clearance of the gate "d", but the existing encoder
information is proportional to the opening angle

φ.

d

φ

(1-cos )

φ

SSI Encoder

d = d

0

Display value

P

0

1_

x

P

0

5_

x

P

1

6_

x

P01_y

P05_y

P16_y

P

0

3_

x

P03_y

P07_y

P

0

7_

x

SSI Data ( )

φ

Display (d)

P15_y

P

1

5_

x

DA6-SSI/A-U

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Содержание DA6-SSI/A-U

Страница 1: ...DA6 SSI A U SSI Display with analog output FACTORY AUTOMATION MANUAL...

Страница 2: ...ating staff it is indispensable to meet effective precautions in order to avoid such consequences Regarding installation wiring environmental conditions screening of cables and earthing you must follo...

Страница 3: ...arameters 11 3 2 Overview of Operational Parameters 12 4 Setup Procedure 13 4 1 Basic Parameters 13 4 2 Operational Parameters 15 4 3 Additional Parameters for the Analogue Output 18 5 Hints for Appli...

Страница 4: ...inal Assignment Display with analogue output GND 17 30 VCD IN 1 2 3 4 5 6 7 8 9 10 Input A Input B GND 24 VDC OUT GND analogue 10 V analogue 0 4 20 mA analogue PE GND 230VAC 115 VAC 0 VAC CLK CLK DAT...

Страница 5: ...auxiliary output of 24 VDC 120 mA max for supply of sensors and encoders 1 3 Control Inputs A B and C With models input A is used to activate a serial transmission rising edge see 4 5 2 Input B is not...

Страница 6: ...V 10 V according to setting At the same time a current output 0 4 20 mA is available Both outputs refer to the GND potential and the polarity changes with the sign in the display The outputs are prop...

Страница 7: ...display state Setup state a Basic setup b Operational parameter setup Teach operation 2 1 Normal display state You can only change over to other operation states while the unit is in the normal displa...

Страница 8: ...l be highlighted blink This procedure allows setting of all digits to the desired values After the most signi cant digit has been set the low order digit will blink again and you can do corrections if...

Страница 9: ...e factory default values The factory default settings are shown in the parameter listings in section 6 When you decide to set all parameters to default please be aware that all previous settings will...

Страница 10: ...All parameters as good as possible are designated by text fragments Even though the possibilities of forming texts are very limited with a 7 segment display this method has proved to be most suitable...

Страница 11: ...reselection 2 M Factor D Factor P Factor Decimal point Hi_Bit MSB Lo_Bit LSB Direction Error Error_Polarity Round Loop Time Reset Zero Position Analogue Begin Analogue End Ser_Value P01_X P01_Y P16_X...

Страница 12: ...e of the unit the input characteristics PNP NPN and the desired brightness of the LED display Menu Setting Range Default SSI Mode Setting of Master Mode or Slave Mode For details see section 5 1 SSI B...

Страница 13: ...Keypad interlock except for Preselection Settings Pres 1 und Pres 2 model IX 347 Linearization Mode For details please see 6 1 und 6 2 no Linearization is switched OFF 1 qua Linearization settings for...

Страница 14: ...ng to the decimal formats shown in the display 000000 00000 0 0 00000 00000 0 Display Display mode of the unit norm regular scaling of the display 359 59 Angular display format 359 59 with use of the...

Страница 15: ...se of error 0 Error Bit is Low in case of error 1 Error bit is High in case of error 0 1 0 When an error occurs Err b appears on the display The same function can also be used to monitor the Power Fai...

Страница 16: ...n you set this parameter to e g 1024 the unit will display zero when the encoder position is 1024 Zero Position can be set directly via keypad or by means of an external Reset command 199999 999999 0...

Страница 17: ...ere another zero de nition is desired it can be set by this parameter Setting of e g 5 000 will already produce 5 volts with the output in zero state 9 999 9 999 0 000 Analogue Gain Parameter to set t...

Страница 18: ...2000 into an analogue signal of 2 10 volts 2 4 6 8 10 1000 2000 3000 4000 5000 SSI Display Value Volts Analogue Output A ChAr 0 10 V AnAbEG 1400 OFFSEt 2 000 AnAEnd 2000 GAin 8 00 All settings refer...

Страница 19: ...ase both clock terminals CLK are con gured as inputs 6 GND SSI Indicator with Slave Operation Clock Clock Data Data SSI Encoder Remote Master Clock Clock Data Data CLK DAT CLK DAT SSI Indicator Screen...

Страница 20: ...essive Bits must be blanked by corresponding setting of parameters Hi_bit and Lo_bit Basic Settings In general parameter BitS will always be set according to the real resolution of the encoder i e Bit...

Страница 21: ...than 6 decades In such a case it can become dif cult to set the 0 Position and the other scaling parameters while the mechanical encoder position is in the over ow zone the unit would insistently dis...

Страница 22: ...sure that the unit displays the pure SSI encoder information at rst Move your encoder now from a lower position towards a higher position according to your own de nition of low and high When also the...

Страница 23: ...o 0 o 7168 Encoder 13Bit o 360 Direction 0 0 Position 1024 Course of display with positive counting direction 8192 0 PoS 1024 360 180 degrees 1024 Original encoder signal Display o 45 o 0 o o 7168 En...

Страница 24: ...ps for one loop For setup please proceed rst like shown under section 5 4 1 Then set register r LooP to the number of steps corresponding to one revolution of the table You are free to scale the displ...

Страница 25: ...ion The following picture explains the details of operation 8192 3500 r LooP 6000 0 PoS 3500 Original encoder signal Display o 360 degrees o 0 Over ow Encoder 13 Bit Direction 0 r LooP 6000 0 PoS 3500...

Страница 26: ...der connection Cd iO says that clock and data interface are all right and all other displays indicate a problem with the SSI interface circuit 5 6 Error Messages The unit can detect and display the er...

Страница 27: ...uld normally show in the display With parameters P01_y to P16_y you can specify which values you would like to display instead of the corresponding _x values This means e g that the unit will replace...

Страница 28: ...s picked up by means of an SSI encoder We would like to display the clearance of the gate d but the existing encoder information is proportional to the opening angle d 1 cos SSI Encoder d d0 Display v...

Страница 29: ...tEACh Now the unit has switched over to the Teach mode To st art the teach procedure please press again Cmd within the next 10 seconds The display will then show P01_X With respect to the consistency...

Страница 30: ...valid for the x values of interpolation points Every interpolation point must be higher than its preceding point Where this constraint is breached all 6 decimal points will blink automatically as a wa...

Страница 31: ...oc Apr 11 Page 38 43 7 Technical Appendix 7 1 Dimensions 96 0 3 780 110 0 4 331 44 0 1 732 10 0 394 8 0 315 91 0 3 583 9 0 345 129 0 5 079 140 5 5 531 48 0 1 890 Panel cut out 91 x 44 mm 3 583 x 1 732...

Страница 32: ...100 Hz 1 MHz Min pulse duration for Reset 5 msec Analogue output IX 346 0 4 20 mA max 300 ohms 0 10 V max 2 mA Resolution 14 Bits Sign Accuracy 0 1 Serial interface IX 348 RS 232 RS 485 600 to 38 400...

Страница 33: ...Hi_Bit MSB Hi_bit 1 32 25 2 0 13 Lo_Bit LSB Lo_bit 1 31 1 2 0 14 Direction dir 0 1 0 1 0 15 Error Bit Error 0 32 0 2 0 16 Error Polarity ErrorP 0 1 0 1 0 17 Round Loop r looP 0 999999 0 6 0 18 Wait T...

Страница 34: ...999999 6 0 A9 Linear Point 6 P06_H 199999 999999 999999 6 0 B0 P06_Y 199999 999999 999999 6 0 B1 Linear Point 7 P07_H 199999 999999 999999 6 0 B2 P07_Y 199999 999999 999999 6 0 B3 Linear Point 8 P08_H...

Страница 35: ...de 1 Presel Mode 2 Hysteresis 1 Hysteresis 2 Model IX 348 Serial Unit Nr Serial Format Serial Baud Rate Display Parameters M Factor Decimal Point D Factor Display P Factor SSI Special SSI High bit MSB...

Страница 36: ...pr 11 Page 43 43 Linearization P1 x P1 y P9 x P9 y P2 x P2 y P10 x P10 y P3 x P3 y P11 x P11 y P4 x P4 y P12 x P12 y P5 x P5 y P13 x P13 y P6 x P6 y P14 x P14 y P7 x P7 y P15 x P15 y P8 x P8 y P16 x P...

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