Lika LD30 Series User Manual Download | Manualshive

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LD30x

EXAMPLE

The picture below shows a sluiceway where the gate is controlled by means of
an incremental encoder. We would 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

Incremental Encoder

d = d

0

Display value

P

01

_x

P

05

_x

P

16

_x

P01_y

P05_y

P16_y

P

03

_x

P03_y

P07_y

P

07

_x

Encoder Position ( )

φ

Display (d)

P15_y

P

15

_x

MAN LD30x E 1.0.odt

Special functions

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Summary of Contents for LD30 Series

Page 1: ... Model LD300 is a display only version model LD301 provides an analogue output in addition model LD302 further offers two presets and two switching outputs finally model LD303 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...

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: ...ue output Special versions with TTL inputs option M8 provide a 5V aux output on terminal 7 instead of 24V Units with option P4 provide 24 42 VAC power supply instead of 115 230 VAC option PM LD302 Display unit with 2 presets and transistor outputs Special versions with TTL inputs option M8 provide a 5V aux output on terminal 7 instead of 24V Units with option P4 provide 24 42 VAC power supply inst...

Page 5: ...rth connections may cause serious EMC problems 4 2 Aux voltage output Terminal 7 provides a 24 VDC 120 mA max auxiliary output for supply of sensors and encoders Units with TTL inputs option M8 provide a 5 VDC 120 mA auxiliary output on terminal 7 instead 4 3 Inputs A B and Reset In the basic set up menu see section 7 1 Basic settings on page 14 these inputs can be configured to PNP switch to or t...

Page 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 signal polarity changes with the sign in the display The outputs provide a 14 bit resolution and the response time at each change of the measuring value is approx 7 msec fin 143 Hz The maximum current of the voltage output is 2 mA and the load on the current output ...

Page 7: ... the board to the rear to remove the PCB 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 pin...

Page 8: ...e 14 Operational 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 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 down ...

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: ...eaching of the interpolation points on page 32 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 sec...

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 LD30x E 1 0 odt Operating the front keys 11 of 40 ...

Page 12: ... to be most suitable for simplification 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 LD300 LD301 LD302 LD303 Type Application mode Type Application mode Type Application mode Type Application mode Input characteristics Input char...

Page 13: ...t Wait Time Average Filter Average Filer Decimal Point Analogue Begin Analogue End LD302 Preselection 1 Preselection 2 Frequency Display Format Base Resolution Counter Mode Time Display Value Frequency Start Stop Scaling Factor Display Value Decimal Point Decimal Value Auto Reset Set Value Decimal Point Wait Time Wait Time Latch Function Reset Set Wait Time Average Filter Average Filer Decimal Poi...

Page 14: ...NP NPN and the desired brightness of the LED display NOTE To access the Basic Set up press the ENTER and SET keys simultaneously for at least 3 seconds Menu Setting range Default tYPE Operation Mode rPm Tachometer frequency meter see section 7 2 1 RPM operation as tachometer or frequency counter rPm Baking time processing time indicator see section 7 2 2 Time display of baking or processing time r...

Page 15: ...gs for preselections P_frEE LinEAr Linearisation mode For details please refer to sections 8 1 Linearisation and 8 2 Manual input or teaching of the interpolation points 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 with Tachometer mode and Counter mode only MA...

Page 16: ...e unit will wait from one input pulse to the next before it sets the display to zero When you enter 0 the unit will wait forever and show the last result until it receives the next input 0 1 99 9 sec 1 0 The setting of this parameter automatically limits the minimum input frequency correspondingly With Wait set to e g 0 1 sec the unit will respond to frequencies 10 Hz only and all lower frequencie...

Page 17: ...our display with above frequency at the input 1 999999 100 WAit Wait Time Define a waiting time this is the time in seconds that the unit will wait from one input pulse to the next before it sets the display to zero When you enter 0 the unit will wait forever and show the last result until it receives the next input 0 1 99 9 sec 5 0 The setting of this parameter automatically limits the minimum in...

Page 18: ...ment St_SP Time count is active while input A is HIGH Hi_Loo Rising edge on input A starts count Rising edge on input B stops count St_SP Period time measurement Repeating display of the time between two rising edges on input A A_StSP rESEt Auto Reset no Time count goes on and never restarts No automatic Reset Use the Reset input to set to zero no Every start initializes a new count starting from ...

Page 19: ...ered here 199 999 999 999 0 rESEt Reset Set Enable Fr u E No setting or resetting of the counter is possible no Set Reset by the front SET key front Set Reset by remote signal to the Reset input E_tErn Set Reset by front SET key and by external input Fr u E dPoint Decimal Point Select the desired position as shown in the display 000 000 no decimal point 000000 one decimal position 00000 0 five dec...

Page 20: ...s 0 00000 WAit Wait Time How long should the last result remain in the display before it returns to zero Set the desired waiting time With setting 0 the display will freeze and wait until to the next measuring cycle 0 00 9 99 1 00 7 2 6 Linearisation points The linearisation points will only appear with RPM or Count operation modes when Linearisation is enabled Menu Setting Range Default P01_X Lin...

Page 21: ... 999 9 999 0 000 GAin Analogue Gain Set the analogue stroke you desire setting 1000 means 10 Volts or 20 mA Setting 200 reduces the stroke to 2 Volts or 4 mA 00 00 99 99 10 00 See next page for more details Response time of the analogue output Operation mode Response time analogue output Tachometer frequency meter see section 7 2 1 RPM operation as tachometer or frequency counter on page 16 330ms ...

Page 22: ...wo parameters any window of the whole display range can be mapped onto the analogue output The subsequent example shows how to convert the display range from 1400 to 2200 into an analogue signal of 2 10 volts 2 4 6 8 10 1000 2000 3000 4000 5000 Display Value Volts Analogue Output A ChAr 0 10 V AnAbEG 1400 OFFSEt 2 000 AnAEnd 2200 GAin 8 00 NOTE All settings refer to the scaled values which are sho...

Page 23: ...e output and automatic setting to preset 1 when the display value reaches zero CHAr 2 Switching characteristics of output 2 __r GE __r GE See CHAr 1 __r LE See CHAr 1 _n_ GE See CHAr 1 _n_ LE See CHAr 1 __r 1 2 Output switches statically ON when display value Preset 1 Preset 2 _n_ 1 2 Output switches dynamically ON when display value Preset 1 Preset 2 HYSt 1 Hysteresis 1 adjustable hysteresis for ...

Page 24: ...steresis 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_2oFF ...

Page 25: ...ot contain a 0 because such numbers are reserved for collective addressing 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 baud rates ...

Page 26: ...r transmissions are shown in 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 27 PC Transmission of string type 1 see section 7 5 2 Printer Mode on page 29 Print1 Transmission of string type 2 see section 7 5 2 Printer Mode on page 29 Print2 S Cod...

Page 27: ...nd 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 string...

Page 28: ... reset a unit with unit No 11 Reset ON ASCII EOT AD1 AD2 STX C1 C2 Data ETX BCC Hex 04 31 31 02 36 30 31 03 34 Binary 0000 0100 0011 0001 0011 0001 0000 0010 0011 0110 0011 0000 0011 0001 0000 0011 0011 0100 Reset OFF ASCII EOT AD1 AD2 STX C1 C2 Data ETX BCC Hex 04 31 31 02 36 30 30 03 35 Binary 0000 0100 0011 0001 0011 0001 0000 0010 0011 0110 0011 0000 0011 0000 0000 0011 0011 0101 For more deta...

Page 29: ...Data Carriage return X X 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 25 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 25 to 0 000...

Page 30: ...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 31: ...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 Incremental 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 Encoder Position φ Display d P15_y P15_x MAN LD30x E 1 0 odt Special functions 31 of 40 ...

Page 32: ...it 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 Pre...

Page 33: ...f 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 34: ...rmat diSFor 0 3 0 1 0 09 Frequency Hz FrEqu 1 25000 100 5 0 10 Display Value diSPL 1 999999 100 6 0 11 Wait Time sec WAit 1 999 50 3 1 12 Average Filter FiLtEr 0 4 0 1 0 13 See section 7 2 3 Timer Stopwatch on page 18 Base bASE 0 6 0 1 0 14 Start Stop StArt 0 2 1 1 0 15 Auto Reset rESEt 0 1 0 1 0 16 Latch Function LAtcH 0 1 0 1 0 17 See section 7 2 4 Count Counter mode on page 19 Count Mode ModE 0...

Page 35: ... B1 P7 x P07_H 199999 999999 999999 86 0 B2 P7 y P07_Y 199999 999999 999999 86 0 B3 P8 x P08_H 199999 999999 999999 86 0 B4 P8 y P08_Y 199999 999999 999999 86 0 B5 P9 x P09_H 199999 999999 999999 86 0 B6 P9 y P09_Y 199999 999999 999999 86 0 B7 P10 x P10_H 199999 999999 999999 86 0 B8 P10 y P10_Y 199999 999999 999999 86 0 B9 P11 x P11_H 199999 999999 999999 86 0 C0 P11 y P11_Y 199999 999999 999999 ...

Page 36: ... Positions Characters Serial code Preselection Value 1 PrES1 199999 999999 10000 86 0 27 Preselection Value 2 PrES2 199999 999999 5000 86 0 28 Preselection Mode 1 CHAr1 0 5 0 1 0 29 Preselection Mode 2 CHAr2 0 5 0 1 0 30 Hysteresis 1 HYSt1 0 99999 0 5 0 31 Hysteresis 2 HYSt2 0 99999 0 5 0 32 9 5 Serial interface model LD303 See section 7 5 Model LD303 additional settings for the serial interface o...

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Page 40: ...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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