LZ71-B - Hegewald & Peschke Mess
Contents
1. amp T 108 6018 2 15 1 A 18 Magnescale Co Ltd Shinagawa Intercity Tower A 18F 2 15 1 Konan Minato ku Tokyo 108 6018 Japan LZ71 B 3 278 897 02 2010 4 Printed in Japan 2007 Magnescale Co Ltd2. 24 V 3 us LZ71 B J 3 5 3 6 J LZ71 B 4 RX E 4 1 BCD LY71 LY71 LY71 bed gt nd 101 OO Diili ka Fi m BCD BCD 1 20 ms ON OFF r Ca P3 IO B 370 BCD it READY o mu 2 99
3. Pi F AR ATIC AU RRA HE Magnescale Co Ltd MEM SE ASE IT CACAO A ER PE BC EPA ET ES FX ELI R 24 Magnescale Co Ltd WIR HEY PE p sis VECES FEA AE o The material contained in this manual consists of information that is the property of Magnescale Co Ltd and is intended solely for use by the purchasers of the equipment described in this manual Magnescale Co Ltd expressly prohibits the duplication of any portion of this manual or the use thereof for any purpose other than the operation or maintenance of the equipment described in this manual without the express written permission of Magnescale Co Ltd Le mat riel contenu dans ce manuel consiste en informations qui sont la propri t de Magnescale Co Ltd et sont destinees exclusivement a l usage des acqu reurs de l quipement d crit dans ce manuel Magnescale Co Ltd interdit formellement la copie de quelque partie que ce soit de ce manuel ou son emploi pour tout autre but que des op rations ou entretiens de l quipement moins d une permission crite de Magnescale Co Ltd Die in dieser Anleitung enth
4. LY71 LY71 1 1 LY71 LY71 LY71 1 2 BCD LZ71 B LZ71 B J 1 1 1 1 3 LY71 LY71 BCD P_P BCD PLC
5. LZ71 B 1 T 2 ms 2 5 ms LZ71 B 2 ts T 2 5 ms 3 ms LIZ71 B LZ71 KR T 3 ms 3 ms 3 READY READY 70 us T 70us pr 5 READY UL rt caut ra a a as Ta x sis MEROS 1 LZ71 B J 6 1 6 BCD 4 DRQ DRQ DRQ 100 us
6. Vcc 24 V 5 kQ BCD OR BCD READY DRQ DRQ LZ71 B 4 3 3 3 1 7 Q4 D 2 7 Q4 D e
7. 4 1 1 P 42 BCD DRQ BCD 6 1 1 DRQ1 DRQ2 DRQ3 DRQ DRQ1 2 READY 70 ns Ti 20 us gt BCD gt EN Tu 2
8. 18lh7helhsh4hshzltihol 8 7 6 5 4 3 2 36 35 34 33 32 31 30 29 bs gz zeslz4lsslzlztlsolhe 1 El 57 30360 1234555 7 1 Po A 1 B 2 C 4 D 8 3 2 J 1 LZ71 B 3 2 2 BCD 0 V G2 3 2 3 BCD READY COM
9. READY lt OFF VES READY BCD BCD RP DRQ LY71 1 BCD 2 PS Qe DRQ BCD DRQ DRQ LZ71 B J
10. BCD 2 BCD 2 BCD1 1 BCD2 2 2 LZ71 B J 3 1 wo E 3 2 3 2 1 BCD 1 DRQ2 19 DRQ3 2 POL 20 READY JJ 3 7 Q2 B 21 7 Q1 A 4 7 Q4 D 22 7 Q3 C 5 6 Q2 B 23 6 Q1 A 6 6 Q4 D 24 6 Q3 C 7 5 Q2 B 25 5 Q1 A 8 5 Q4 D 26 5 Q3 C 9 4 Q2 B 27 4 Q1 A 10 4 Q4 D 28 4 Q3 C 11 3 Q2 B 29 3 Q1 A 12 3 Q4 D 30 3 Q3 C 13 2 Q2 B 31 2 Q1 A 14 2 Q4 D 32 2 Q3 C 15 1 Q2 B 33 1 Q1 A 16 1 Q4 D 34 1 Q3 C 17 DRQ1 35 Vcc 18 COM 36 COM
11. BCD DRQ1 BCD D DRQ DRQ DRQ DRQ READY 7 1 1 DRQ A A 4 gt Ti 70 us 3 ms AT 3 ms 1 DRQ 3 ms 2 DRQ AT DRQ 24 V 350 us 3 us COM 3 2 5 DRQ DRQ READY
12. 4 4 J LZ71 B LZ71 B 5 BCD 5 1 BCD PP 1 2 54 INC ABS 5 2 BCD BCD BCD DRQ BCD D
13. BCD READY DRQ E me A s 5 AT 3 ms LZ71 B J 6 3 6 BCD 6 3 O OFF DRQ1 DRQ2 DRQ3 D DRQ DRQ v READY DRQ A e 3 ms AT 3 ms 1 DRQ 3 ms 2 DRQ AT DRQ 24 V 350 us 3 us COM
14. Ce LLLI a E Do Eo ES ca oe BS 60 pin connector Used to insert the expansion unit into the LY unit body 2 BCD output connector Used for BCD data output and data request signal input E 2 1 2 2 E LZ71 B 3 Installation Connection 3 1 Installing the Expansion Unit 1 Remove the screening cover of the expansion unit slot and insert the expansion unit The expansion unit may be installed in any of the two slots If two BCD units are used insert both units When using two BCD units BCD1 is fixed at the 1st axis and BCD2 is fixed at the 2nd axis 2 Secure the expansion unit firmly in place using the screws which held the screening cover in place Use when removing LZ71 B E 3 1 3 Installation Connection 3 2 Connecting the Output Connector 3 2 1 BCD output connector pins Pin No Signal Pin No Signal 1 DRQ2 input 19 DRQ3 input 2 POL Sign 20 READY output 3 7th digit Q2 B 21 7th digit Q1 A 4 7th digit Q4 D 22 7th digit Q3 C 5 6th digit Q2 B 23 6th digit Q1 A 6 6th digit Q4 D 24 6th digit Q3 C 7 5th digit Q2 B 25 5th digit Q1 A 8 5th digit Q4 D 26 5th digit Q3 C 9 4th digit Q2 B 27 4th digit Q1 A 10 4th dig
15. DRQ IS READY gt 100 us P E DRQ1 DRQ1 DRQ2 DRQ2 OL DRQ1 Eme DRQ2 a Ti AT Ta AT AT AT DRQ 24 V 350 us 3 us COM 3 2 5 6 2 J LZ71 B 6 2 1 DRQ1 DRQ2 DRQ3 NI NI 6 BCD BCD DRQ1 BCD
16. BCD 2 1 2 BCD BCD 2 PLC 1 2 J LZ71 B 2 O 60 LY BCD BCD LZ71 B J 2 1 2 2 J LZ71 B 3 3 1 1 2
17. C pev Jay 1kQ Vcc DRQ WWW 47 uF 50 V IHES GND CCOM X 3 4 J LZ71 B 3 2 4 DRQ DRQ 2 ms G2 OFF 3 ms 3 2 5 BCD DRQ1 3 BI 24 V 350 us 6 BCD
18. 3 2 5 3 DRQ 6 4 J LZ71 B 7 LY71 LY71 BCD BCD BCD gt DRQ BCD DRQ LY71 1 BCD 2 READY
19. 2 BCD 3 4 5 LZ71 B J 4 3 4 1 3 DRQ1 3 BCD BCD 1 DRQ DRQ 1 DRQ1 DRQ1 C DRQ1 DRQ2 DRQ3 N O 00 A CQ N
20. DRQ1 DRQ2 DRQ3 1 244 H BCD 2 BCD1 1 BCD2 2 P P LZ71 B J 4 1 4 1 1 BCD uuu DRQ H OFF DRQ 6 BCD P 61 1 A
21. 7 1 7 2 J LZ71 B 8 BCD 7 Abit x 7 bit READY bit READY Vee DC 12 24 V Ic 15mA TOTAL 300 mA 36 ON OFF 1 2 P P BCD BCD DRQ1 3 12 24 V DRQ DRQ1 3 3 DRQ1 DRQ2 DRQ3 DRQ BCD
22. 1 2 2 i 2 1 NEC SEC cA ONU NIE 3 1 3 1 Acs es aay RODEO T et A 34 32 een 3 2 3 2 1 BCD aes nae dana dot lada 3 2 322 3 3 3 2 3 WN 3 3 3 24 A 3 5 3 2 5 3 5 Alte is 4 1 LONE A MGS 4 1 tti CHE E Fler RENI NIN RI NIN RIN od IRI INI 4 2 a PRI RIN ISI NR RIN NI PN AS 4 3 BIS cg ba a A ptos bu 2 4 4 CHE uu 5 1 1553 DR ID APPLE 5 1 DD SE etu ce ce ee a ae od cue aaa 5 1 UII ool A IRENE ett RICE ea sy 5 1 LU MEE A O RE ER TRE e d Aa ART ERE 5 1 6 BCD anna 6 1 6 1 I 6 1 622 A A si 6 3 Dac A i A a 6 4 7 kik 7 1 8 8 1 9 Li 9 1 J i ii J LZ71 B LZ71 B 1 13
23. BCD BCD rar 2 op 3 4 5 ON 6 0 4 2 J LZ71 B 4 1 2 BCD BCD aa RT 0 gt L ON 0 gt H OFF fU Omar es gt H OFF ii usi is gt L ON gt H OFF READY oe gt H OFF ON OFF H L ON OFF H 1 B
24. BCD amp DRQ OFF 0 40 C 20 60 C 20 90 RH LZ71 B J 8 1 8 2 J LZ71 B 9 mm 87 22 42 7 5 114 7 5 14 8 4 A Nm 28 O O mE o o n 1 1 ol WT 1 d 14 85 _ nd 129 19 122 E 102 x 3 8 LA Xr Y 1 3E Y Y OOOO LILILILIIIILIILTIIIITII LZ71 B J 9 1 9 2 J LZ71 B LZ71 B Contents INSTALLATION 1 Before Operation 1 1 1 1 Brecauti ns anfassen RN nenne nd 1 1 1 2 Item List ass ar ida dicas 1 1 1 3 Feal res naaa oua adu aa iata 1 2 2 Name and Function of Each Part 2 1 3 Installation Connection eene 3 1 3 1 Installing the Expansion Unit esee 3 1 3 2 Connecting the Output Connector nenea neam nennen 3 2 3 2 1 BCD output connector pins ee 3 2 3 2 2 I
25. e n 7 Q4 D e 0 0 0 e 1 1 Q1 A 2 1 Q1 A n 1 Q1 A Vcc 7 Q4 D Vcc 1 Q1 A R Vcc 24 V 5 kQ CC E Vcc 1 READY 1 READY 2 READY il 2 READY e e e e e e Vcc n BOREADY E 1 DRQ 1 DRQ 2 DRQ 2 DRQ e e e e e n DRQ n DRQ DRQ gt 24 V 12 V
26. ADY of 1st device 1 READY of 1st connected device I R READY of 2nd connected e READY of 2nd device devico e e e e e e Vcc e READY of nth device I R READY T nth connected 1st digit Q1 A of V evice 1st device eo 1st digit Q1 A of 2nd device DQR of 1st device DRQ of 1st connected device 1st digit Q1 A of connected devices 1st digit Q1 A of nth device DQR of 2nd device DRQ of 2nd connected device DQR of nth device DRQ of nth connected device A pull up resistor value of about R 5 kQ is appropriate when Vcc 24 V Separate the DRQ signals from other signals as much as possible in order to eliminate the effects of crosstalk between input signals and output signals Output signals If these lines are close together crosstalk may be generated Input signals Input circuit lt During 24 V 12 V or other external power supply operation gt Apply 24 V To internal circuit or 12 V Vcc J SSS a pev i Power supply C Jaro TKO DRQ signal AWT AW Input signal t 1 47 uF 50 V Switching l Tete IGND circuit COM t i 1 OE eee 4 Connect circuit example LZ71 B 3 4 E 3 Installation Connection 3 2 4 Input circuit
27. If using 2nd axis input or if a separate unit is connected Ti is longer If linear compensation is input the processing time required also results in T being longer When only one expansion unit LZ71 B is used T 2 ms or more average approx 2 5 ms e When two expansion units LZ71 B are used T 2 5 ms or more average approx 3 ms e When expansion units LZ71 B and LZ71 KR are used T 3 ms or more average approx 3 ms READY invalid time The READY invalid time is normally about 50 us However if this time cannot be picked up because it is too short the time can be lengthened 70 us or less For the shortest time BCD data Sign READY E When the refresh time is lengthened BCD data PP Valid Sign C READY The data during this time M T1 or less is discarded The output time may be shorted by the portion discarded LZ71 B E 6 1 6 BCD Output Mode Operation and Usage 4 DRQ input switching When the DRQ signal is switched the output data also switches Be sure to leave 100 us or more for DRQ switching Also do not input multiple DRQ signals at the same time as this may result in misoperation Sign READY DRQ1 eee DRQ2 ee Shortest time T1 AT l BCD data Valid DRQ1 Valid DRQ1 Valid DRQ2 Valid DRQ2 When refresh time is set T AT 100 us or AT input circuit delay time more AT Input circuit delay ti
28. Magnescales BCD BCD Unit LZ71 B Read all the instructions in the manual carefully before use and strictly follow them Keep the manual for future references Instruction Manual For U S A and Canada THIS CLASS A DIGITAL DEVICE COMPLIES WITH PART15 OF THE FCC RULES AND THE CANADIAN ICES 003 OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS 1 THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE AND 2 THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED INCLUDING INTERFERENCE THAT MAY CAUSE UNDERSIGNED OPERATION CET APPAREIL NUM RIQUE DE LA CLASSE A EST CONFORME A LA NORME NMB 003 DU CANADA For the customers in Australia Australian EMC Notice This product complies with the following Australian EMC standards AS NZS 4252 1 94 EMC Generic Immunity Part1 AS NZS 2064 92 Emission Standard for ISM Equipment LZ71 B LZ71 B 1 DL 1 1 e OEUE uera e lt lt 1 1 ES al 1 1 NE E E EA EE EE E i
29. N OFF can be confirmed but the logic level H L cannot If a pull up resistor is connected to each output pin L level output can be detected when the output signal is ON and H level output when OFF 1 Press the Q key on counter display B 2 Press the O key to select the BCD data logic Setting the data logic 3 Press the e key 4 Press the O key to select the logic of the sign D Press the e key LZ71 B E 4 3 4 Settings 4 1 3 Output data This sets the BCD data that is output when DRO1 to 3 is input Because the BCD connector only has wiring for one type of output data each type of data selected by this item is output by switching the DRQ signal inputs Because the DRQ signal inputs are switched in one at a time the unit will not operate normally if multiple DRO signals are input simultaneously In addition when there is only one type of output data use DRQ1 for the input and also set just DRQ1 1 Press the O key on counter display C Press the key to select the DRQ1 output data Press the o key l Press the Q key to select the DRQ2 output data Press the ON key l Press the Q key to select the DRQ3 output data N O 0 Bb CQ N Press the o key 4 4 E LZ71 B OPERATION Refer to this section during normal use LZ71 B 5 Functions The BCD output of the expansion unit has a number of items which can be set including the type of data output and the output format 5 1 Out
30. RQ BCD BCD OFE DRQ BCD 5 3 BCD BCD L VAFAC SH 5 4 3 DRQ1 DRQ2 DRQ3 DRQ1 DRQ2 DRQ3 DRQ DRQ1 LZ71 B J 5 1 5 2 J LZ71 B 6 BCD BCD
31. T Input circuit delay time DRQ input delay time When using 24 V input about 350 us 3 us When there is no COM connection See 3 2 5 Input circuit delay time for the input circuit delay time Note that because there is an input circuit delay operation is the same as before the DRO signal input until the DRO signal 1s relayed internally Note that the READY signal may be output during that interval Signal is output oc e ad Sign READY negative logic DRQ AT gt gt Approximately 3 ms LZ71 B E 6 3 6 BCD Output Mode Operation and Usage 6 3 3 state Output Mode 1 Data is not normally output during 3 state output mode All outputs are OFF Output of the requested data specified by the initial settings can be held by inputting the data request signals DRQI DRQ2 and DRQ3 2 The timing from when the data request signal DRQ is input until the data is output is as follows The data is held until DRQ input stops v Sign READY I RI c negative logic DRQ 3 ms or less 3 ms AT or more until the next data request Note 1 Leave 3 ms or more between repeated DRQ inputs Note 2 Do not input multiple DRQ signals at the same time as this may result in misoperation Notes AT Input circuit delay time DRQ input delay time When using 24 V input about 350 us 3 u
32. This instruction manual mainly explains the differences when the expansion unit is added to the LY71 counter unit For other contents see the LY71 instruction manual 1 1 Precautions This expansion unit is designed for use connected with the LY71 and requires the same handling cautions as when the LY71 is used alone See the LY71 instruction manual for the various cautions 1 2 Item List BCD connector LZ71 B E 1 1 1 Before Operation 1 3 Features Easy function expansion The functions of your current LY71 counter unit can be expanded simply by inserting the expansion unit into the LY71 BCD output of various data In addition to the current value the maximum minimum and peak to peak values can be output as BCD data for use as control data by PLC Programmable Logic Controller and other devices Various output modes In addition to positive logic BCD data can also be output in negative logic The expansion unit also supports a wide range of systems with output formats including constant output latch and request output Prohibited when updating data There are two types of latch BCD data only and BCD data and display Open collector output Output data is output in open collector format allowing direct connection with PLC Programmable Logic Controller and other devices 1 2 E LZ71 B 2 Name and Function of Each Part C
33. altenen Informationen sind Eigentum von Magnescale Co Ltd und sind ausschlie lich f r den Gebrauch durch den K ufer der in dieser Anleitung beschriebenen Ausr stung bestimmt Magnescale Co Ltd untersagt ausdr cklich die Vervielf ltigung jeglicher Teile dieser Anleitung oder den Gebrauch derselben f r irgendeinen anderen Zweck als die Bedienung oder Wartung der in dieser Anleitung beschriebenen Ausr stung ohne ausdr ckliche schriftliche Erlaubnis von Magnescale Co Ltd ij all EH O D
34. ata setting correct Set the correct output data with the initial settings Is the BCD cable connected correctly or is the cable broken Are multiple DRQs being input simultaneously Is data for an axis that does not exist being output For example the LY71 unit is set to 1st axis only input but the BCD data output is set to the addition subtraction axis or the 2nd axis Is the DRQ signal being input Other than during constant output or latch BCD only the display will remain held while the DRQ signal is input Input the DRQ signal only when data is required E 7 1 7 2 E LZ71 B 8 Specifications Item Contents BCD output 7 digit parallel data 4 bits x 7 digits sign 1 bit READY signal 1 bit Output logic Positive and negative logic can be selected individually for the data and sign by the settings The READY signal is fixed at negative logic Electrical Photocoupler output specifications Vce Recommended DC 12 to 24 V lc Max 15 mA terminal TOTAL 300 mA Output connector 36 pin micro ribbon connector Output data during alarm and power on Selectable from data output or alarm status all OFF by the initial settings Output data Current 1st axis 2nd axis addition axis maximum minimum and peak to peak values Latch Selectable from BCD only latch and BCD amp display latch by the initial settings Input signal DRQ1 to 3 Photocou
35. cedures are identical to the LY71 unit Setting details Display bcd nd After 1 second OO x A axis display Setting item Output mode Setting value O Mom O 01 to 20 Setting details Output mode Constant output Latch BCD only Latch Display and BCD 3 state Output delay time 1 to 20 ms Output data status during alarm and power on Output OFF rr Lue 112 B axis display Output logic pary 3 0 BCD data Positive logic Negative logic Sign Positive logic Negative logic Note Fixed at negative logic with READY signal O Output data 2000 mue mu nn 2m Output data at DRQ1 input Output data at DRQ2 input Output data at DRQ3 input 1st axis 2nd axis Addition axis Note When using two BCD units BCD1 js fixed at the 1st axis and BCD2 is fixed at the 2nd axis Current value Maximum value Minimum value Peak to peak value LZ71 B E 4 1 4 Settings 4 1 1 Output mode This sets the output BCD mode The following modes are supported Constant output mode Continues output while updating data at fixed intervals e Latch mode Continues updating and outputting data in the same fashion as constant output mode but when a DRQ signal is input the newest data is calculate
36. d output and retained e 3 state mode Normally data is not output all signals are output H OFF When a DRQ signal is input the newest data is calculated output and retained See 6 BCD Output Mode Operation and Usage P 6 1 for details Setting Procedure 1 Press the key on counter display A to select the mode The selected item flashes f Constant output every time d Latch BCD only L Latch BCD and display sp 3 state output 2 Press the o key DO Refresh delay time input Press the O key to select the delay time Press the on key Press the O key to select the output status during alarm and power on o O A OQ Press the o key 4 2 E LZ71 B 4 Settings 4 1 2 Output logic This sets the logic for the BCD data and sign signal that are output Each can be set independently BCD data logic identical for each bit If positive logic is used 1 gt H OFF If negative logic is used 1 gt L ON 0 gt L ON 0 gt H OFF Sign bit logic If positive logic is used gt H OFF If negative logic is used gt L ON 4 gt L ON 1 gt H OFF READY signal logic Fixed at negative logic Valid gt L ON Invalid H OFF Output signals are all photocoupler output Therefore when nothing is connected to the outputs output signal O
37. hotocoupler Output data To internal circuit COM Pull up resistors that produce the reference voltage are required on the input side of the connected devices Aresistance value of about 5 kQ is appropriate when Vcc 24 V When connecting several devices in parallel using 3 state BCD output wired OR connection If 3 state output mode in which data is not output is used for BCD output normally multiple devices can be connected in parallel Refer to the next page Connect each bit of the data and the sign in parallel Connect the READY signal for each device separately Also connect each of the DRQ inputs separately Do not allow DRQ signals from multiple devices to be input simultaneously Doing so could result in misoperation or damage to the expansion unit Donotuse this device in parallel in a 3 state mode Doing so will result in output to multiple devices and may cause damage Pull up resistors that produce the reference voltage are required on the input side of the connected devices LZ71 B E 3 3 3 Installation Connection 7th digit Q4 D of a 1st device Vcc Sign of 1st device Vcc i5 enl at R Sign of 2nd device R oe Sign of connected devices e e e 7th digit Q4 D of Sign of nth device nth device e e e e Vcc R e e RE
38. it Q4 D 28 4th digit Q3 C 11 3rd digit Q2 B 29 3rd digit Q1 A 12 3rd digit Q4 D 30 3rd digit Q3 C 13 2nd digit Q2 B 31 2nd digit Q1 A 14 2nd digit Q4 D 32 2nd digit Q3 C 15 1st digit Q2 B 33 1st digit Q1 A 16 1st digit Q4 D 34 1st digit Q3 C 17 DRQ1 input 35 Vcc 18 COM 36 COM Connector pin assign as seen on the rear panel of the counter unit 18 17 16 15 14 13 12 11 o 9 8 7 6 5 4 8 2 1 86 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 Connector to be procured Use the equivalent of 57 30360 micro ribbon connector manufactured by Daiichi Denshi Kogyo Co Ltd DDK Digits displayed on the counter unit lg d 359 7th digit 1st digit Digital display The letters in parentheses have the following values A 1 B 2 C 4 D 8 3 2 E The least significant digit rightmost digit displayed on the counter unit is the 1st digit LZ71 B 3 Installation Connection 3 2 2 Interface cables Use a shielded interface cable as shown in the figure right for connection to the BCD connector Connect the 0 V and G2 cables separately from the shielded cable Please procure the shielded connection cable Failure to use a shielded cable may result in misoperation due to external noise etc Cable section Outer sheath Shield 3 2 3 Connection circuits Output circuit All BCD data and READY signals are output using a p
39. me DRQ input delay time When using 24 V input about 350 us 3 us When there is no COM connection See 3 2 5 Input circuit delay time for the input circuit delay time 6 2 E LZ71 B 6 BCD Output Mode Operation and Usage 6 2 Latch Output Mode 1 The output data can be held during latch output mode Output of the requested data specified by the initial settings can be held by inputting the data request signals DRQ1 DRQ2 and DRQ3 The output does not change while the data is held even if the counter of the input measuring unit operates If the unit is set to the mode where the display is also latched at the same time the display is also held Latch mode BCD only DRQ1 BCD is latched Display continues to be updated Latch mode BCD and display DRQI BCD and display are both latched The operating time also varies 2 The timing from when the data request signal DRQ is input until the data is latched is as follows The operation timing when DRQ is not input is the same as for constant output Output is stopped The data is held until by DRQ input DRQ input stops Y Sign READY negative logic DRQ 2 gt gt Ti 70 us 3 ms or less About or less AT 3 ms or more until the next data output Note 1 Leave 3 ms or more between repeated DRQ inputs Note 2 Do not input multiple DRQ signals at the same time as this may result in misoperation A
40. notes When you use the DRO input connect the DRO input terminal to G2 common terminal for at least 2 ms When you input the external input signal again provide an OFF time of at least 3 ms 3 2 5 Input circuit delay time When a signal is input to BCD request signal DRQ1 to 3 the input circuit produces a delay time until the signal is transmitted to the internal processing block Care should be taken as this delay time varies widely according to the operating voltage of the input circuit Example During 24 V operation there is a delay time of approximately 350 us until the signal is transmitted internally The processing time from when the signal is transmitted internally until the actual data is output varies according to the operating conditions For details see 6 BCD Output Mode Operation and Usage The delay time can be greatly shortened by not connecting portion 1 of the input circuit shown on the previous page In this case however misoperation occurs easily due to noise etc Therefore be sure to implement sufficient noise countermeasures for use with portion not connected When is not connected during 24 V operation Delay time approximately 3 us LZ71 B E 3 5 3 6 E LZ71 B 4 Settings 4 1 Making the Advanced Settings The BCD unit does not have any basic settings Set the items needed in the LY71 advanced settings see the LY71 Installation Manual for use The basic key operation pro
41. nterface cables eene eet treten 3 3 3 2 39 Connectiom Circuits etes tete tene siete niea penna 3 3 3 2 4 Input circuit notes ice ieri gas 3 5 3 2 5 Input circuit delay time seen 3 5 4 Settings coaie ta ep aa d d i ia 4 1 4 1 Making the Advanced Settings nenea nenea en ennaee 4 1 4 I I Output mode UE IRURE caci aa 4 2 4 1 2 Output louis 4 3 4 123 Output data ere ette anna 4 4 OPERATION 5 iioii m 5 1 2 1 Output Data tet eee ne ree dada las Des tet ee Pu etd ac ada s 5 1 5 2 Output Mode eiii tm i He or ir b de e 5 1 5 9 Output Losa is 5 1 5 4 Output Selection ox er tile dc e EI 5 1 6 BCD Output Mode Operation and Usage 6 1 6 1 Constant Output Mode EE 6 1 622 Lateh Output Mode uice ere odi t teet ii 6 3 6 3 3 state Output Mode sistat aceea Ek lt 6 4 7 Troubleshooting ses a ao d ks n arama ii 7 1 8 Specifications a nee 8 1 9 DIMENSIONS Me 9 1 E 1 ii E LZ71 B INSTALLATION Be sure to read this section before use LZ71 B 1 Before Operation Thank you for purchasing this Magnescale Co Ltd product Read this instruction manual through carefully before use and keep it properly for future references In particular the contents of 3 Installation Connection are especially important for ensuring proper operation Be sure to read this section and make sure the expansion unit is installed correctly before use
42. pler 12 to 24 V Output selection Three DRQ input signals DRQ1 to 3 Output data is assigned by the settings Ex DRQ1 Current value DRQ2 Maximum value DRQ3 Minimum value Output modes Selectable from the following by the settings Constant output Output regardless of DRQ However prohibited when refreshing data Latch BCD only latch Latch BCD amp display latch Request output Output only when DRQ input Otherwise all outputs OFF Operating temperature range O C to 40 C 32 F to 104 F No condensation Storage temperature range 20 C to 60 C 4 F to 140 F 20 to 90 RH no condensation LZ71 B E 8 1 8 2 E LZ71 B 9 Dimensions The outside appearance and specifications of this product are subject to partial change without notice in the course of improvement Unit mm 87 TY 42 _ 757 114 7 5 _148_ 11 TTT 6 38 o B ii e 1 1 ty of 4 1 2 14 85 129 1 19 122 i a 102 3 8 G a 5 CIOCOII LZ71 B E 9 1 9 2 E LZ71 B LZ71 B
43. put Data In addition to the current value the maximum minimum and peak to peak values can be output using BCD output For the current value the 1st axis 2nd axis and the value obtained by adding and subtracting these axes can be output The output data is determined by the output selection refer to 5 4 Output selection and is not affected by the display data INC data is output for the current value ABS data cannot be output 5 2 Output Mode The BCD data output format can be selected Constant output Data is output constantly other than when updating the BCD data Latch Data is output constantly other than when updating the BCD data However when the DRQ request signal is input the latest measuring unit values at that point are loaded the operations are performed again and the BCD output data is updated Either the BCD data only or the BCD data and BCD display are held while DRQ is input e 3 state output Data is not normally output and all outputs are set to the OFF status Only when the DRQ request signal is input the latest measuring unit values at that point are calculated and output as BCD data 5 3 Output Logic The BCD data and data sign output logic can be set individually When shipped from the factory the BCD data is positive logic the sign is Low when positive and High when negative 5 4 Output Selection Three types of output data can be selected The output data is switched by input
44. s When there is no COM connection See 3 2 5 Input circuit delay time for the input circuit delay time 3 Data output time The time after DRQ is input until data is output is the same as in latch mode 6 4 E LZ71 B 7 Troubleshooting See the LY71 instruction manual for trouble related to the LY71 This section describes the troubleshooting procedures related to BCD output There is no BCD output The READY signal is not output or does not turn off The BCD data is incorrect The count remains stopped LZ71 B BCD output is open collector output Therefore if nothing is connected to the output no data will be output A pull up resistor is necessary to produce the reference voltage on the receiving circuit side Is the unit set to 3 state mode When set to 3 state mode the DRQ signal must be input in order to output data Is the BCD cable connected correctly or is the cable broken Are multiple DRQs being input simultaneously Is data for an axis that does not exist being output For example the LY71 unit is set to 1st axis only input but the BCD data output is set to the addition subtraction axis or the 2nd axis The READY signal time can be changed Is a recognizable time set Input the time with the initial settings Is the READY signal cable connected correctly or is the cable broken Is the output d
45. ting the request signal DRQ into the DRQ1 DRQ2 and DRQ3 pins When shipped from the factory DRO1 is set to the current value DRQ2 to the minimum value and DRQ3 to the maximum value In constant output mode in which data is output at any time when the DRQ signal is not input the DRQ1 data is selected LZ71 B E 5 1 5 2 E LZ71 B 6 BCD Output Mode Operation and Usage There are a number of BCD output modes and the operation and usage method for each is described below See 4 1 1 Output Mode P 4 2 for the setting method for each mode When the reference point signal is received load and hold related data cannot be requested by means of the BCD DRQ signals Therefore the BCD request signal is invalid even in reference point reference mode 6 1 1 2 3 Constant Output Mode The output data cannot be latched during constant output mode The requested data specified by the initial settings can be obtained by inputting the data request signals DRQ1 DRQ2 and DRQ3 When there is no DRQ input the data specified by DRQ1 is output Data is output constantly but the data is undetermined when the data is refreshed The READY signal is invalid when updating the data so the data during this time should not be used Output timing chart 70 us or less T average approx 20 us lt gt gt Sign Ba Invalid Invalid lt The time T changes according to conditions
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