Lika LD25 Series User Manual Download | Manualshive

Page: 40 / 44

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LD25x

Description

Text

Min.

value

Max.

value

Default

value

Positions Characters

Serial

code

Linear. mode

LinEAr

0

2

0

1

0

D2

Linear. point 1

P01_H

-199999

999999

999999

+/-6

0

A0

P01_

Y

-199999

999999

999999

+/-6

0

A1

Linear. point 2

P02_H

-199999

999999

999999

+/-6

0

A2

P02_

Y

-199999

999999

999999

+/-6

0

A3

Linear. point 3

P03_H

-199999

999999

999999

+/-6

0

A4

P03_

Y

-199999

999999

999999

+/-6

0

A5

Linear. point 4

P04_H

-199999

999999

999999

+/-6

0

A6

P04_

Y

-199999

999999

999999

+/-6

0

A7

Linear. point 5

P05_H

-199999

999999

999999

+/-6

0

A8

P05_

Y

-199999

999999

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

-199999

999999

999999

+/-6

0

B4

P08_

Y

-199999

999999

999999

+/-6

0

B5

Linear. Point 9

P09_H

-199999

999999

999999

+/-6

0

B6

P09_

Y

-199999

999999

999999

+/-6

0

B7

Linear. Point 10

P10_H

-199999

999999

999999

+/-6

0

B8

P10_

Y

-199999

999999

999999

+/-6

0

B9

Linear. point 11

P11_H

-199999

999999

999999

+/-6

0

C0

P11_

Y

-199999

999999

999999

+/-6

0

C1

Linear. point 12

P12_H

-199999

999999

999999

+/-6

0

C2

P12_

Y

-199999

999999

999999

+/-6

0

C3

Linear. point 13

P13_H

-199999

999999

999999

+/-6

0

C4

P13_

Y

-199999

999999

999999

+/-6

0

C5

Linear. point 14

P14_H

-199999

999999

999999

+/-6

0

C6

P14_

Y

-199999

999999

999999

+/-6

0

C7

Linear. point 15

P15_H

-199999

999999

999999

+/-6

0

C8

P15_

Y

-199999

999999

999999

+/-6

0

C9

Linear. point 16

P16_H

-199999

999999

999999

+/-6

0

D0

P16_

Y

-199999

999999

999999

+/-6

0

D1

MAN LD25x E 1.0.odt

Parameters list

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Summary of Contents for LD25 Series

Page 1: ...y version model LD251 provides an analogue output in addition model LD252 further offers two presets and two switching outputs finally model LD253 is equipped with a RS 232 RS 485 serial interface for connection with a PC Table of contents 1 Safety summary 2 Identification 3 Mounting instructions 4 Electrical connections 5 Operating the front keys 6 Operator menu 7 Set up procedure 8 Hints for app...

Page 2: ...ns in compliance with 2004 108 EC norm on electromagnetic compatibility following precautions must be taken before handling and installing the equipment discharge electrical charge from your body and tools which may come in touch with the device power supply must be stabilized without noise install EMC filters on device power supply if needed always use shielded cables twisted pair cables whenever...

Page 3: ...istance For any information on the technical characteristics of the product refer to the technical catalogue 3 Mounting instructions WARNING Mount the unit with power supply disconnected Mount the display into the provided cut out approx 91 x 44 mm without panel clips Install panel clips on the display housing and screw until fixed 96 0 3 780 110 0 4 331 44 0 1 732 10 0 394 8 0 315 91 0 3 583 9 0 ...

Page 4: ...e 0 4 20 mA analogue PE GND 230VAC 115 VAC 0 VAC CLK CLK DAT DAT 1 2 3 4 Input C Reset LD252 Display unit with 2 presets and transistor outputs GND 17 30 VCD IN 1 2 3 4 5 6 7 8 9 10 Input A Input B Input C Reset GND 24 VDC OUT COM OUT 1 OUT 2 PE GND 230VAC 115 VAC 0 VAC CLK CLK DAT DAT 1 2 3 4 LD253 Display unit with serial interface GND 17 30 VCD IN 1 2 3 4 5 6 7 8 9 10 Input A transm Input B Inp...

Page 5: ...and encoders 4 3 Control inputs A B and C In LD253 model input A is used to activate a serial transmission rising edge see section 7 5 2 Printer Mode on page 26 Input B is not used Input C operates as a Set Reset input static function active HIGH see section 8 3 Scaling of the display on page 29 In the basic set up menu the inputs can be configured to PNP signal must switch to or to NPN signal mus...

Page 6: ... mA and the load on the current output can vary between 0 and max 300 ohms The response time of the analogue output at each change of the encoder position is approx 7 msec 4 5 Optocoupler transistor outputs LD252 model only Outputs provide programmable switching characteristics and are potential free Please connect terminal 8 COM to the positive potential of the voltage you want to switch range 5V...

Page 7: ...CB from its housing ON DIP DIL Switch Removal of the back panel Location of the DIL switch RS 232 ON 8 9 10 RxD TxD GND RS 485 ON 8 9 10 A B GND WARNING 1 Never set DIL switch positions 1 and 2 or DIL switch positions 3 and 4 to ON at the same time 2 After setting the switch shift the print carefully back to its housing in order to avoid damaging the front pins for connection with the front keypad...

Page 8: ...perational parameters set up see section 7 2 Operational parameters on page 16 Teach operation see section 5 3 Teach operation on page 10 5 1 Normal display state NOTE You can only change over to other operation states while the unit is in the normal display state Change over to Key operation Basic set up Keep ENTER and SET down simultaneously for 3 seconds Operational parameter set up Keep ENTER ...

Page 9: ...ed blink This procedure allows setting all digits to the desired values After the most significant digit has been set the low order digit will blink again and you can make corrections if necessary With signed parameters the high order digit will scroll from 0 to 9 positive followed by and 1 negative 5 2 3 Saving settings To save the actual setting press the ENTER key which will also automatically ...

Page 10: ...ing of the interpolation points on page 37 5 4 Setting all registers to Default values At any time you can return all settings to the factory default values WARNING This action will reset all parameters to factory default values and your own settings will be lost You will have to repeat your individual set up procedure Factory default values are shown in the subsequent parameter tables see section...

Page 11: ... been switched on see on page 15 any key access first results as follows To access the menu you must press the following key sequence within 10 seconds otherwise the unit will automatically return to the normal display mode MAN LD25x E 1 0 odt Operating the front keys 11 of 44 ...

Page 12: ...ification of the programming procedure The subsequent table shows the general structure of the menu Detailed descriptions of all parameters will follow in section 7 Set up procedure on page 14 6 1 Overview of basic parameters LD250 LD251 LD252 LD253 SSI Mode SSI Mode SSI Mode SSI Mode SSI Bits SSI Bits SSI Bits SSI Bits SSI Format SSI Format SSI Format SSI Format SSI Baud Rate SSI Baud Rate SSI Ba...

Page 13: ...Bit LSB Lo_Bit LSB Direction Direction Direction Direction Error Error Error Error Error_Polarity Error_Polarity Error_Polarity Error_Polarity Round Loop Round Loop Round Loop Round Loop Time Time Time Time Reset Reset Reset Reset Zero Position Zero Position Zero Position Zero Position Analogue Begin Ser_Timer Analogue End Ser_Mode Ser_Value P01_X P01_X P01_X P01_X P01_Y P01_Y P01_Y P01_Y P16_X P1...

Page 14: ...y NOTE To access the Basic Set up press the ENTER and SET keys simultaneously for at least 3 seconds Menu Setting range Default modE SSI Mode Setting of Master mode or Slave mode For details see section 8 1 Master and Slave Operation on page 27 MASte SLA mASte bitS SSI Bits Bit length of the SSI string For more details see section 8 2 Evaluation of encoder bits on page 28 08 32 25 Form SSI Format ...

Page 15: ...lections and switching outputs on page 21 P_frEE LinEAr Linearisation mode For details please refer to sections 9 1 Linearisation and 9 2 Manual input or teaching of the interpolation points on page 35 no The linearisation is switched off no Linearisation settings for the positive range only negative values will appear as a mirror 1 qUA Linearisation over the full numeric range 4 qUA If no is set ...

Page 16: ...mat 359 59 with use of the Round Loop function For more details see section 8 4 2 Round Loop function on page 32 norm 359 59 Norm Hi bit Hi Bit Bit Blanking function defines the highest bit for evaluation To evaluate all encoder bits this parameter has to be set to the total number of bits according to setting For more details see section 8 2 Evaluation of encoder bits on page 28 1 32 25 Lo bit Lo...

Page 17: ...ge is invoked to appear on the display see section 8 6 Error messages on page 34 The same function can also be used to monitor the Power Failure Bit of an encoder mostly called PFB r LooP Round Loop Defines the number of encoder steps per revolution when using the Round Loop function for further information see section 8 4 2 Round Loop function on page 32 0 Normal display of the encoder data no Ro...

Page 18: ...rameter to e g 1024 the unit will display zero when the encoder position is 1024 0 PoS can be set directly via keypad or by means of an external Reset command 199999 999999 0 P01_X Linearisation point 1_X X value of the first interpolation point 199999 999999 999999 P01_Y Linearisation point 1_Y Y value of the first interpolation point 199999 999999 999999 P16_X Linearisation point 16_X X value of...

Page 19: ... zero definition is desired it can be set via this parameter Setting of e g 5 000 will already produce 5 volts with the output in zero state 9 999 9 999 0 GAin Analogue Gain It is meant to set the analogue output swing Setting 10 00 will allow full swing of 10 V or 20 mA setting 8 00 will reduce the swing to 8 V or 16 mA 00 00 99 99 10 The following Operational parameters provide scaling of the an...

Page 20: ... 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 NOTE All settings refer to the scaled values which are shown in the display of the unit and not to the original SSI encoder data MAN LD25x E 1 0 odt Set up procedure 20 of 44 ...

Page 21: ... Switching characteristics of output 2 __r GE __r GE See CHAr 1 referred to preselection 2 __r LE See CHAr 1 referred to preselection 2 _n_ GE See CHAr 1 referred to preselection 2 _n_ LE See CHAr 1 referred to preselection 2 __r 1 2 Output switches statically ON when display value Preselection 1 Preselection 2 _n_ 1 2 Output switches dynamically ON when display value Preselection 1 Preselection 2...

Page 22: ...Hysteresis GE Greater Equal Display Value Hysteresis effect with Greater Equal Preselection LE Lower Equal Hysteresis Display Value Hysteresis effect with Lower Equal It is possible to check up on the actual switching state of the outputs at any time For this just tap on the ENTER key shortly The display will then show for the next two seconds one of the following information Display Meaning 1_2oF...

Page 23: ...in a 0 because such numbers are reserved for collective addressing of several units 0 99 11 S Forn Serial data format 7 E 1 The first character indicates the number of Data Bits The second character specifies the Parity Bit even or odd or none The third character indicates the number of Stop Bits 7 E 1 7 E 2 7 0 1 7 0 2 7 no 1 7 no 2 8 E 1 8 0 1 8 no 1 8 no 2 S bAUd Baud rate 9600 The following ba...

Page 24: ... the table Baud Rate Minimum Cycle Time msec 600 384 1200 192 2400 96 4800 48 9600 24 19200 12 38400 6 S mod Serial Mode PC Operation according to communication profile see section 7 5 1 PC Mode on page 25 PC Transmission of string type 1 see section 7 5 2 Printer Mode on page 26 Print1 Transmission of string type 2 see section 7 5 2 Printer Mode on page 26 Print2 S CodE Serial Register Code Speci...

Page 25: ...ond as shown on the right Leading zeros will be suppressed BCC represents a block check character generated from an Exclusive OR of all characters from C1 through ETX inclusively STX C1 C2 x x x x x x x ETX BCC STX Control character Hex 02 C1 Register code High Byte C2 Register code Low Byte x x x x x Register data ETX Control character Hex 03 BCC Block check character With incorrect request strin...

Page 26: ...X X X X CR The mode of activation of serial transmissions can be determined as follows Cyclic timed transmissions Set the S tim item see on page 23 to any value 0 010 sec Select the desired string type next to parameter S mod After exiting the menu the timed transmissions will start automatically Manual activation of transmissions Set the S tim item see on page 23 to 0 000 Select the desired strin...

Page 27: ...CLK are configured 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 Set registers bitS Form and bAUd section 7 1 Basic settings on page 14 according to the encoder you use You are free to set any baud rate in a range from 0 1 kHz to 1000 0 kHz However for technical reasons in the upper freq...

Page 28: ...its must be blanked by corresponding setting of parameters Hi bit and Lo bit see section 7 2 Operational parameters on page 16 8 2 1 Basic settings In general parameter bitS will always be set according to the real resolution of the encoder i e bitS 16 with a 16 bit encoder In this normal case the SSI telegram will not contain any excessive bits With some applications e g with Slave operation howe...

Page 29: ...caling parameters while the mechanical encoder position is in the overflow zone the unit would insistently display overflow To avoid this kind of problem with encoders of more than 19 bits we recommend to use the Bit Blanking function and evaluate 19 bits only see section 8 2 Evaluation of encoder bits on page 28 If you intend to use the Round Loop function later see r LooP parameter in the sectio...

Page 30: ... displays the pure SSI encoder information at first Move your encoder now from a lower position towards a higher position according to your own definition of low and high When also the display changes from lower to higher values your own definition of directions matches with the encoder definition If not change the setting of Direction dir item from 0 to 1 now to receive the desired sense of direc...

Page 31: ...Bit Direction 0 0 Position 1024 Data display with positive counting direction 8192 0 PoS 1024 360 180 degrees 1024 Original encoder signal Display 45o o 0o o 7168 Encoder 13Bit Direction 1 0 Position 1024 Data display with negative counting direction MAN LD25x E 1 0 odt Hints for application 31 of 44 ...

Page 32: ...ceed as explained in section 8 4 1 Normal SSI display on page 30 Then set the Round Loop register r LooP item to the number of steps corresponding to one revolution of the table You are free to scale the display to any engineering units desired by setting the scaling factors correspondingly If you like to scale your display with the angular display format 359º59 just change the Display register di...

Page 33: ...icture explains the details of this operation 8192 3500 r LooP 6000 0 PoS 3500 Original encoder signal Display 360o degrees 0o Overflow Encoder 13 Bit Direction 0 r LooP 6000 0 PoS 3500 Overflow suppression with a 13 bit SSI encoder 8 4 4 Splitting of SSI encoder information into two separate displays The Bit Blanking function also allows to distribute one SSI telegram to two different SSI indicat...

Page 34: ...lock and data interface are all right All remaining messages indicate there is a problem with the SSI interface circuit 8 6 Error messages The unit can detect and display the errors listed below If you find an error message please check again the encoder wiring and the settings of all SSI relevant parameters Menu Description Err 0 Overflow The selected SSI baud rate is too high Please set a lower ...

Page 35: ...y 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 the previous P02_x value by the new P02_y value NOTE With respect to the consistency of the linearisation the x registers have to use continuously increasing values e g the x registers must conform to the constr...

Page 36: ...uld like to display the clearance of the gate d but the existing encoder information is proportional to the angular information φ d φ 1 cos φ SSI Encoder d d0 Display value P01_x P05_x P16_x P01_y P05_y P16_y P03_x P03_y P07_y P07_x SSI Data φ Display d P15_y P15_x MAN LD25x E 1 0 odt Special functions 36 of 44 ...

Page 37: ...t has switched over to the Teach mode To start the teach procedure please press again the CMD key within the next 10 seconds The display will then show P01_X With respect to the consistency required for linearisation all parameters from P01_x to P16_ y will be overwritten by suitable initial values first Initial values for P01_x and P01_y are 199999 and all other values will start with 999999 Pres...

Page 38: ... interpolation points Every interpolation point must be higher than its preceding point If this constraint is breached all 6 decimal points will blink automatically as a warning Pressing the CMD key will not store the illegal value but result in an error text E r r L O To exit the teach mode again you have the following two possibilities 1 Press the ENTER key for 2 seconds On the display you will ...

Page 39: ...ing Code 0 2 0 1 0 07 M Factor mFAc 9 999 9 999 1 000 4 3 08 D Factor dFAc 0 001 9 999 1 000 4 3 09 P Factor PFAc 199999 999999 0 6 0 10 Decimal point dPoint 0 5 0 1 0 11 Display diSPLA 0 1 0 1 0 12 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 tim...

Page 40: ...9999 999999 6 0 B2 P07_Y 199999 999999 999999 6 0 B3 Linear point 8 P08_H 199999 999999 999999 6 0 B4 P08_Y 199999 999999 999999 6 0 B5 Linear Point 9 P09_H 199999 999999 999999 6 0 B6 P09_Y 199999 999999 999999 6 0 B7 Linear Point 10 P10_H 199999 999999 999999 6 0 B8 P10_Y 199999 999999 999999 6 0 B9 Linear point 11 P11_H 199999 999999 999999 6 0 C0 P11_Y 199999 999999 999999 6 0 C1 Linear point ...

Page 41: ...n value Max value Default value Positions Characters Serial code Presel mode 1 CHAr 1 0 3 0 1 0 29 Presel mode 2 CHAr 2 0 5 0 1 0 30 Hysteresis 1 HYst1 0 99999 0 5 0 36 Hysteresis 2 HYst2 0 99999 0 5 0 37 Preselection 1 PrES 1 199999 999999 10000 6 0 27 Preselection 2 PrES 2 199999 999999 5000 6 0 28 10 4 Serial interface model LD253 See section 7 5 Model LD253 additional settings for the serial i...

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Page 43: ...This page intentionally left blank ...

Page 44: ...ment release Description 1 0 1st issue Lika Electronic Via S Lorenzo 25 36010 Carrè VI Italy Tel 39 0445 806600 Fax 39 0445 806699 Italy eMail info lika it www lika it World eMail info lika biz www lika biz ...

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