NX70 High-speed Counters (NX70-HSC1, NX70
Contents
1. e Te S e Es e es es Encoder output Set condition with advanced instruction WRITE NX70 HSC1 General Specifications 0 C to 55 C 32 F to 131 F Temperature 25 C to 70 C 13 F to 158 F 30 to 85 RH Non condensing 30 to 85 RH Non condensing Withstand voltage 500V ac for 1 minute between I O terminal dc and frame ground power unit Humidity l 100 MQ or more at 500 mega V DC between I O terminal dc and frame ground Insulation resistance i power unit i in cat 10 to 55Hz 1 cycle minute double amplitude of 0 75 mm 10 minutes on 3 axis Vibration immunity X Y Z Shock immunity Peak acceleration and duration 15g 11 ms 3 times in each X Y Z direction 1500Vp p with 50ns to 1ps pulse width generated by noise simulator Input specification Counter specification Performance Specifications inen of input 6 points INA INB RST INH ZERO SUB Input voltage 5 to 12V DC 12 to 24V DC Allowable voltage 75 to 13 24 DC 10 2 to 26 4V DC variation range ON 4 5V or less 3 mA or less 9 6V or less 3 mA or less voltage current OFF 1 5V or more 0 6 mA or more 2 5V or more 0 6 mA or more voltage current Number of 1 point UP DOWN COUNTER counter channels Counting range 24 bit signed integer binary for2. m uen mm cue UT eemper eum uec mee Mode Switch Mode switch on the bottom of High speed Counter unit NX70 HSC1 determines the following functions DIP switch consists of 8 switches SW7 and SW8 are not used Mi Unused Mi Unused As default DIP switches are set as shown on the right SW1 ON and the others are OFF phase differential input 4 x mode High speed Counter unit NX70 HSC1 bottom Mode switch Function of each switch is as follows SW1 SW2 1 OFF OFF Direction discrimination input PULSE SIGN 2 OFF ON Individual input mode CW CCW 3 ON OFF Phase differential input mode 4 x mode Recommended manufacturer default 4 ON ON Phase differential input mode 1 x mode SW7 and SW8 are not used SW1 2 Input mode switch Phase differential input mode 2 phase mode 4 x mode Usually this mode is recommended noise countermeasure You must use this mode when counting encoder output SW1 2 ON OFF T E SW1 ON ina OFF 4 ARA ajaja Phase differential input mode 2 phase mode 1 x mode ON OFF SW1 2 ON ON EE T l fr oN r INA OFF i INB a to to 3 ta tb tc td 2 1 8T T 2 10US Direction discrimination input mode Pulse Direction ON OFF SW1 2 OFF OFF SW1 2 ta tb tc td lt gt ON INA OFF Pulse i INB Direction EX
3. P 1 t f L Pulse f conversiontime L L L R1 4 O zZ Lowest frequency adjustment volume F MIN Adjust F min that is the lowest of output pulse frequency when R1 6 frequency conversion relay is OFF 200HZ to 5kHZ Emin Lowest frequency variation ranae of Emin vs Emin Variation range of F min is decided kHz based on F max Part of range from 200Hz to 5kHz will be the variation range 5 kHz 0 2 4 10 20 30 40 E max Highest frequency Highest frequency adjustment volume F MAX Adjusts F max that is the highest of output pulse frequency when R1 6 is ON 4kHZ to 40kHZ Pulse output description OUT 0 OUT 1 oe LFL Pulse output R1 4 Pulse start Coincidence T output C P C Pulse output starts at OUTO and OUT1 terminals when R1 4 pulse start turns ON Output pulse number is monitored by counting output pulse with counter settings Count method will be described later in Frequency Temporary Measurement Program section Pulse output turns OFF when coincidence output is OFF R1 5 pulse output selection replay decides which one of OUTO or OUT1 will be used for pulse output To force pulse to OFF during pulse output use RST input or turn R1 0 to ON f1 Lowest frequency E f2 Highest frequency me Frequency conversion C P OOO When R1 6 frequency conversion relay contact is OFF l
4. on n 1 n 2 ta tb tc td gt 5HS H ON L OPEN OFF Individual input mode CW CCW SW1 2 OFF ON ON OFF SW1 2 p tb ON INA UP INB DOWN INA oc A LUA Lindow CW Up pulse INB CCW Down pulse ta tb tc gt BUS Control Input Terminal Reset input terminal RST Resets course and target values of High speed Counter to zero Turns OFF when coincidence output C P is on Specifically pulse output also turns OFF Operates as same level with Internal contact R1 0 of High speed Counter RESET ON OFF Count CaP i External output retentive mode Po Counter inhibition input terminal INH When this terminal is ON input on count input INA INB is not counted ON INA OFF ON OFF INB Pulse output control input ZERO SUB Used as return to zero signal input terminal when controlling motor by using pulse output OUTO OUT1 Converts high speed pulse to low speed when SUB turns ON and stops pulse output when ZERO is ON High frequency jJ JAouanbaJ 1ndino es ng Sete ota Stu Low frequency Return to zero start Pulse output is decided based on mode switch setting and R1 5 pulse output selection SUB E FE IE SER Detection before zero Input before zero Converts high frequency pulse output to low frequency ZERO T L Zero detection
5. or turn it in right direction and turn it in reverse rotation when SUB is ON Program example Pulse motor control example Wiring Diagram Temporary location decision is enabled with pulse motor or servo motor using pulse output OUTO OUT1 This example shows a program that rotates the pulse motor 100 000 pulses in both directions in turn It is set to slower motor rotation from high speed to low speed when the pulse output remains only 3000 pulses Motor drive Pulse motor NX70 HSC1 NX70 Y16RV NX70 X16D gt NX70 Y32T NX70 HSC1 fe A Z in j aa GO 1 O GQ E GOM A s 2 E 9 20 NX70 High speed Counter NX70 HSC1 Mode switch Program example WinGPC S W F1 0 MO 0 F TCO MO 0 Set low speed conversion point data Set total move output pulse number Program to turn only 1 scan ON MO 0 R MO Set the target value low 0 speed conversion point and initial value total move with counter R1 3 R1 4 Pulse output start RO 1 R1 6 Low speed conversion relay R2 0 R VT for coincidence output Conversion of right and M1 0 reverse rotation shift R2 0 R1 1 R1 1 R1 1 Current value output Operation description In RUN mode RO turns ON and each 32 bit of both low speed conversion point data as target value area word address 2 to 3 and total move output pulse number as initial value area word addr
6. Zero input Stops pulse output R 0 4 Return to zero Return to zero completed signal ON completed Retained until the next R 1 7 turns ON Toy Pulse output does not stop even when ZERO turns ON before SUB turns ON Output Terminal Pulse Output OUT 0 OUT 1 Pulse output terminal for controlling step motor Enables temporary location decision Output method can be set by mode switch to either 1 pulse output or 2 pulse output e 1 pulse output mode SW6 ON e 2 pulse output mode SW6 OFF Pulse output condition Starts when R1 4 turns ON Usual mode Starts when R1 7 turns ON Return to zero mode Pulse output stop condition R1 0 turns ON RST input turns ON Coincidence output C P turns ON C P output turns on at zero in C 0 mode See Chapter 2 for more details Comparison Output C gt P C P Outputs the comparison between current and target values of counter 000000 FFFFFF 16777215 Values in are decimal numbers target value 4 i L M Target value must be set as positive 16777216 000000 to FFFFFF 0 to 16777215 Values in are decimal numbers 000000 FFFFFF 1 pl MEE IN 000000 FFFFFF E ee a nik Vas C P output sets course as zero in C 0 mode Output time width can be selected either 100ms or retention Same as internal C gt P contact RO 5
7. OFF CH1 SW8 OFF RO 5 C P terminal output 100 ms 30 C P Retentive output CHO SW3 0FF CH1 SW7 0FF CHO SW4 OFF CH1 SW8 OFF RO 5 STL C P terminal output RO 5 RR A Retentive removed CHO SW4 ON CH1 SW8 ON C 0093 C P terminal output 100 ms 30 CHO SW4 ON CH1 SW8 ON C RO 5 TT L C P terminal output RO 5 Retentive removed Precaution for Wiring Precaution for Wiring In High speed Counter unit the input delay time is set to bus or less for response to high speed input signal Therefore noise that occurs at input signal cable can cause error Please read the following precautions before you use the unit e When connecting sensors like rotary encoder use short cables like shield cable for input to prevent malfunction caused by noise Phase differential input 4 x mode is recommended e Use protection circuit for opening and closing of induction load Specifically when DC induction load is opening closing insert reverse field absorption diode into both the ends of the load as illustrated below to protect output cell and contact In addition when open close induction load with transistor output C P C gt P insert reverse field absorption diode It helps prevent cell destruction e Pulse output is used for input to pulse motor or servo motor drive at the same time for input pulse to High speed Counter Please be cautious when using
8. ON retentive output C P terminal block output selection OFF current value set value ON current value 0 SW5 6 OFF OFF Direction discrimination input Pulse Direction SW5 6 OFF ON Individual input mode CW CCW SW5 6 ON OFF Phase differential input mode 2 phase mode 4 x mode Recommended SW5 6 ON ON Phase differential input mode 2 phase mode 1 x mode Non retnetive output time is 100 ms 30 C P terminal block output method selection OFF One short ON Retentive output C P terminal block output selection OFF When current value set value ON When current value 0 Dimensions NX70 HSC2 gt gt gt gt w o v U lt oie GONG 105mm Y Un all Dn CD un S T vy SEES Ieiz Se E agaaa De Operation Description Counter Architecture Eu LED When mounted in slot O C P TR Out Input Output LE P TR out I operation PRINHI Tl ar Level Me operation R1 6 7 R1 14 15 Shared memory R1 2 Initial value R1 10 IV Address0 1 CH0 Ed 4 5 CH1 Write Only Preset Shared memory Shared jes Eu Current R1 1 R1 9 WRITE vane Cannot read write directly instructions ddresso TEUM Ed Current value can be read Read Only Update through current value buffer and set value can be written Shared memory through set value buffer For that output contact must be controlled Set value P 31
9. RO 15 Retained as latched during rise edge of PR INH terminal block input Relation between internal contact relay and current value RO O to RO 4 Description below applies to CHO For CH1 see the previous page for CH1 contact relay number Current value CV et value P Set value can be only 16777215 positive 0 to 16777215 e Current value C LED T E Set value P 16 777 216 to 16777215 L bl C ZC Z OO OOOO Ho d H n Wm I st 00 M sr r oO Z ZZ Z U 0 NNN So 8 E L LT E E O O O O LB s O 4 Ss da dg B8 83 ds G85 O C oc c ur Fe oc CFOS pe oc oc 2 LLI LU E 9 O z EELS 2 Co gt nea For one short 100ms 30 Output contact operation Current value buffer update Current value Current value Rise edge buffer Set value Rise edae Set value buffer Set value g Level If current value set value Ring counter ie operation Initial value gt Current value Remove retentive flag of input Retentive remove RO0 5 RO 7 contact g B Levai When terminal block input is Use inhibition function i set to PR INH counter is set to operation USQUE count inhibition R1 2 1 3 R O E O y The current value is set to the initial value i e presetting occurs on the rising edge of the terminal block input PR INH operation Current value buffer update bier 24 Current value cur
10. Slot 0 Starting address of shared memory to write high speed counter memory MAP NO 1 Number of words of data to write 2 words Source data Starting address of CPU unit register W The program above writes 2 words of data from W10 of CPU unit W10 to W11 to shared memory address 0 to 1 of high speed counter unit mounted in slot O Mode Switch Mode switch on the bottom of high speed counter unit NX70 HSC2 determines the following functions DIP switch consists of 8 switches SW7 and SW8 are not used As default DIP switch is set as SW1 ON SW5 ON and the others are OFF phase differential input 4 x mode as shown on the right High speed counter unit NX70 HSC2 bottom Mode switch Function of each switch is as follows SW1 2 OFF OFF Direction discrimination input Pulse Direction SW1 2 OFF ON Individual input mode CW CCW SW1 2 ON OFF Phase differential input mode 2 phase mode 4 x mode Recommended SW1 2 ON ON Phase differential input mode 2 phase mode 1 x mode Non retnetive output time is 100 ms 130 C P terminal block output method selection OFF one short ON retentive output C P terminal block output selection OFF current value set value ON current value 0 SW5 6 OFF OFF Direction discrimination input Pulse Direction SW5 6 OFF ON Individual input mode CW CCW SW5 6 0ON OFF Phase differential input mode 2 phase mode 4 x mode Recommended SW5 6 ON
11. AB V A N GH CW outo CCW Bobbio q CD NI Gp CD CD G2 d ES Zero switch ZERO LISA ZERO jJ 8 aor e I d AS SIG ek p AA i A A pev Before zero switch SUB Reverse rotation Right rotation E ___ _ RST ZERO SUB RST O b 8 O Lowest limit Zero Before zero Highest limit If the control subject is located at amp the signal passes from SUB to ZERO so pulse stops at zero But if it is located at or turn it in right direction and turn it in reverse rotation when SUB is ON Wiring example 2 Connection with stepping motor drive NX70 HSC1 ileq Servo drive AB RIZS ALL an E S o LIST L our m S ES e ea gt sD zs A N Stepping Sd DAR s leu E MOTOR SP L TTA EA VAN 24V ZS inti Y a ATA AIA RT En EN Zero switch ZERO m EZ seo A ZERO gt 3 se E x VAN m aa ES v RARA Bv B Before zero switch SUB Reverse rotation Right rotation gt RST ZERO SUB RST O b 8 O Lowest limit Zero Before zero Highest limit If the control subject is located at the signal passes from SUB to ZERO so pulse stops at zero But if it is located at
12. HSC1 is mounted in slot 0 and only CHO is being used Operati on condition ES GPU unit Instruction WRITE EN High speed Counter unit Slot number where the special unit High speed Counter unit to write is mounted Slot 0 Starting address of shared memory to write High speed Counter memory MAP NO 0 Number of words of data to write 2 words Starting address of CPU unit register W The program above writes 2 words of data from W10 of CPU unit W10 to W11 to shared memory addresses 0 to 1 of High speed Counter unit I O Terminal Input Terminal Counter Input Terminal INA INB The input terminals of High speed Counter support 3 input modes phase differential input 2 phase input direction discrimination input individual input Set by DIP switch as illustrated below Phase differential input mode 2 phase mode 4 x mode Usually this mode is recommended noise countermeasure You must use this mode when counting encoder output SW1 2 ON OFF ON OFF SW1 2 ON OFF INA y EPA AL PAE Phase differential input mode 2 phase mode 1 x mode SW1 2 ON ON ON OFF SW1 2 i T i lt _ _ _ P ON E OFF INA F INB ta tb tc td ta tb tc td 2 1 8T T 2 1048 Direction discrimination input mode Pulse Direction SW1 2 OFF OFF ON OFF SW1 ta tb tc td gt ON INA OFF Pulse INB Direction i
13. Initial value Upper 8 bit Initial value Lower 16 bit Set value buffer 0 Set value buffer Upper 8 bit Set value buffer Lower 16 bit 24 Bit For set value buffer FF value cannot be used for MSB 8 bit Data Range Hex is indicated with mark before numbers Current value current value buffer 16 777 216 to 16 777 215 SFF000000 to 00FFFFFF Initial value 16 777 216 to 16 777 215 FF000000 to 00FFFFFF Set value set value buffer O to 16 777 215 00000000 to 00FFFFFF Advanced Instructions Instruction READ Program example where NX70 HSC2 is mounted in slot 0 and only CHO is being used Operation condition Instruction READ CPU unit Instruction WRITE High speed counter unit Starting number of CPU unit register where to store read data WO Number of words to read 5 words Starting address of shared memory to read high speed counter memory MAP NO 1 Slot number where the special unit high speed counter unit to read is mounted Slot 0 The program above reads 5 words of data from shared memory address 0 of high speed counter unit mounted in slot 0 and stores the 5 words of data to WRO to WR4 of CPU unit Program example where NX70 HSC2 is mounted in slot 0 and only CHO is being used Operation condition E CPU unit Instruction WRITE EN High speed counter unit Slot number where the special unit high speed counter unit to write is mounted
14. Non condensing Withstand voltage 500V ac for 1 minute between I O terminal dc and frame ground power unit 100 MQ or more at 500 mega V DC between I O terminal dc and frame ground Insulation resistance power unit i i i 10 to 55Hz 1 cycle minute double amplitude of 0 75mm 10 minutes on 3 axis Vibration immunity X Y Z Shock immunity Peak acceleration and duration 15g 11ms 3 times in each X Y Z direction 1500Vp p with 50ns to 1us pulse width generated by noise simulator Performance Specifications Input and Counter Specification Number of input 6 points INA INB PR INH x 2 points Input voltage 5 to 24V DC Input OOO E VDO MEM variation range specification O 4 5V or less 3 mA or less current SEE vonage 1 5V or more 0 6 mA or more current bei 2 points UP DOWN COUNTER counter channels 24 bit signed integer binary format 16 777 216 to 16 777 215 100kcps Recommended counter input within 30kcps speed Counter enu eer eee LEE 3 modes direction discrimination Pulse Direction individual input CW P P CCW phase differential input 1 x 4 x mode Min input pulse TM i bus individual input EHe 1 x 4x mode phase differential input mode function Output Specification Isolation method Photo coupler Transistor output NPN open collector Rated use voltage 5 to 24V DC General Allowable voltage 4 75V to 25V DC variation range Residual voltage 0 5V or less Number of
15. parallel connection e When connecting to l O unit separate the cables from AC lines and be careful not to overlap induced noises e Overlapped noise can cause error counter The wiring from pulse output to drives servo stepping is processed as the same so use as short a cable as possible using shield cable e When connecting pulse output as high speed input and connecting C P C gt P output to external load the noise from external power and load can affect the high speed input and may cause error counter or motor drive malfunction e See Common Items for general cautions and unit mounting method e When elements like condenser is attached near motor drives where pulse outputs OUTO and OUT1 are connected and the waveform shows irregularity use resistances in parallel High speed Counter unit NX70 HSC1 Motor drive E Approx 1KQ OUTO 1 4 NX70 High speed Counters NX70 HSC1 NX70 HSC2 OE M OE MAX Controls Trademarks not belonging to OE MAX Controls are CONTROLS property of their respective companies www oemax com Copyright 2004 OE Max Controls Publication NX70 UMO003A EN P January 2005
16. setting OFF Operation description When R1 7 0N external terminal block input PR INH is used for preset function and initial value is sent to current value and counted during rise edge of PR NH input rise edge Counter inhibition and preset functions INA PRANH CHO R1 6 ON R1 7 ON setting SW1 2 OFF ON Individual input mode pita AGLIG Zo do 5 2 INB external input OFF Current value o 1 2 3X 50o 51152 Operation description Current value buffer RO 7 R1 5 ATTENTION When R1 6 ON and R1 7 ON external terminal input PR INH is used both for counter inhibition and preset and initial value is sent rise edge and is not counted in ranges where PR INH input is ON When PR INH is input in ranges where R1 3 is ON the current value at the time is automatically sent to current value buffer C 0 OC 3 gt to current value during rise edge of RO 6 Jf Lon external terminal PR INH input When R1 3 is ON current value is sent to current value buffer during rise edge of PR INH input regardless of use of counter inhibition or preset function With this function you can read counter value until high speed external sensor is input R1 3 can be used for sending set value RO 6 operates as same with external input PR INH RO 7 is retained as latched on rise edge of PR INH regardless of use of counter inhibition or preset function and can be clea
17. to internal relay RO 1 RO 5 SW6 Pulse output mode switch Switch pulse output to external terminal OUTO OUT1 output mode 1 pulse output mode SW6 gt ON ON OFF JN 00 E GM A C Cc C Cc LC Z CI Cc 00 R1 4 Pulse start R1 5 Direction shift uro J L LE L LT LU LI LT UT LU L OUT 1 2 pulse output mode SW6 gt OFF GO JO Q E GKM R1 4 Pulse start R1 5 Direction shift ori PU UU UL Pulse frequency from OUTO and OUT is adjusted by external volume SW4 SW5 pulse output and count operation NX70 PLC High speed Counter NX70 HSC1 unit has pulse output function for temporary location decision SW4 decides whether to count pulse output internally or to count external pulse input from input terminal SW5 decides count mode When using pulse output and external input set input frequency to 40KHz or less Internal count Up down mode SW4 5 gt ON Counts pulse output internally Do not connect to internal terminal INA and INB ON OFF Porro Pulse output turns OFF when the Oo value coincides with target value 1 CJ O gt l C P output ON 3 L gt 4 zz e 5 UM e L 3 D Up down count 7 jC 8 L 1 R1 5 5 0 0 0 T When R1 5 is ON pulse output varies based on output terminal mode set by SW6 External count Up down mode SW4 gt OFF SW5 gt ON EIN ee a e E Pulse output turns OFF
18. 11 Buffer Address pores kJ ATTNETION Write Only Set ChO I O contact Input RO 0 to RO 7 Output R1 0 to R1 7 a E ar 15 nput H 6 to RO eri ple Output R1 8 to 1 15 RO 8 to 15 input 16 points output Output contact R1 0 to7 R1 8 to 15 FS m Terminal Block I O C Current value P Set value C P TR output maximum 100 mA TT vor Roumpon CHO INA TA BEDS UE SD Ea LX NENNEN MS rra ea PR INH Preset Function when R1 7 ON Initial value Current value A L A WBOfoTRomptpowr iP LA 3 LE 1084 Oo o PR INH Inhibition Function when R1 14 ON Preset Function PR INH Preset Function when R1 15 ON Initial value current value Terminal Block I O Wiring C P C gt P output INA INB PR INH input auo eeu DG counter 2CH Pulse Generator DC DC OUT High speed counter 2CH Pulse Generator counter 2CH Pulse Generator L KO B Current value Set value or current nh _ 21 gt ABPI value 0 RO 5 gt ABPI C Descr iption NX70 HSC2 gt Curent value gt Set value ROT NA Oooo gt Current value Set value or current value 0 R 0 13 HO Current value gt Set value R0 9 CH1 INA input INB input IM ERT When sign on LED appears Inhibit indication refer to mode switch I O Contact High Speed Counter Unit 2CH NX70 HSC2 occupies 16 points input and 16 points output totaling 32 points This manual describes CH
19. 70 HSC2 2CH Unit M3 There is no pulse output function for 2CH type NX70 HSC2 product 1 100kcps High Speed Response High speed response of 100kcps enables high accuracy speed control 2 Various Input Modes Phase differential input mode 1 x 4 x mode that can count two phase pulse of rotary encoder individual input mode and direction discrimination input mode are provided set by DIP switch on the bottom of the unit 3 Wide Counting Range Counting range formatted as 24 bit signed binary integer covers from 16 777 216 to 16 777 215 4 Easy to Monitor Counter Measurement and Set Data Built in shared memory helps data read write at PLC freely 5 Comparison output and coincidence output Can be used as slow down or stop signal for controlling motor Ex Counts rotation from encoder output and compares the rotation number with rotation count set and sends instructions like conversion or stop to inverter Read data with advanced instruction READ C gt P stop input Input the output from encoder in phase differential input mode 4 x mode of High speed Counter Set condition with advanced instruction WRITE NX70 HSC2 General Specifications 0 C to 55 C 32 F to 131 F Temperature 25 C to 70 C 13 F to 158 F A 30 to 85 RH Non condensing Humidity 30 to 85 RH
20. ERO DIDIT 18 HGSP u Eiile rome 23 TIE asy Lia Em TO 25 MOE II oie 30 Pulse Output FUNCION ea 38 Specifications and Components 51 High speed Counter Unit Features esse sese eee eee eee 51 General SpecitcatloOnSiteariditnidaoisblas 53 Performance Specifications E aR a aT aS aR nnne nnne nnn nnne nnne 53 Unit Diagram NX70 HS C 2 55 WIGGLE 3S WILE A EERENS 56 DIMENSIONS T 56 Operation Description 57 Counter Architecture ds 57 Terminal Block I O zc a 58 BED utut blu MEE uae eae I 59 VOC OM e REOR EORR EU UU ERE TENER E 60 VO Data e se sanenncaaseanocacanscuascaesscuneseagieesarecansescasaoainces 68 Mode Witt d 70 Precaution for Wiring 75 Precaution olm aem E 75 Safety Instructions Please read this manual and the related documentation thoroughly and familiarize yourself with product information safety instructions and other directions before installing operating performing inspection and preventive maintenance Make sure to follow the directions correctly to ensure normal operation of the product and your safety A ATTENTION If this product is used in a situation that may cause personal injury and or significant product damage implement safe measures such as use of fault safe equipment Do not use this product under any conditions exposed to explosive gases lt may cause an explos
21. Input from TO WO SZ 2 Size read 2 words FR 0 0 Shared memory address 0 of slot 0 When MO 0 is ON R1 1 is turned ON by I O part refresh and two words of counter current value address 0 to 1 are sent to WO to W1 When outputting converted current value turn R1 1 OFF and ON again mL lA T Latch Count value Latch Count value Count value Instruction READ READ READ P Same data can be read R1 2 R1 10 Preset Initial value Current value R1 3 R1 11 Set value Set value buffer Set value By transferring the data in the internal buffer of the high speed counter which were received in advance it sets the curtent value to the initial value and the target value to the value in the target value buffer on the rising edge OFF gt ON of the output contact gt Instruction WRITE CPU unit High speed counter unit In addition when R1 2 is turned ON coincidence output C P is turned OFF at the same time Program Example 2 When high speed counter NX70 HSC2 is mounted in slot 0 and set WO and W1 data as the initial value of high speed counter CHO TO 0 2 Store to slot 0 shared memory 2 SZ 2 Reads 2 words FR W0 Specify data to WRITE WO Note When resetting initial and target values turn R1 2 and R1 3 OFF and ON again Turn only 1 scan ON as shown above R1 4 R1 12 Ring counter When R1 4 output contact is ON and current value coincides with set valu
22. Maximum Value for OEMs CONTROLS NX70 CPU750 RUN ERROR POWER 9 PROG par 8 TEST ALARM BREAK S X NX70 X16D E N AL IE rcns N PA AS NX70 CPU70p2 e PWR ALARM v 70 QU A E mmable o PROS gt w Mode TERM 2 Controller nm POWER c x W2 Mode NES u i 22 B c 0 iii Hi Tm i mes m 70 m TOOL B E E NX70 COM1 RS2320 in Controller RS232C a RS485 m E Pre ta P a RS48 OE MAX a Es NX70 High speed Counters NX70 HSC1 NX70 HSC2 User Manual Important User Information Solid state equipment has operational characteristics differing from those of electromechanical equipment Because of this difference and also because of the wide variety of uses for solid state equipment all persons responsible for applying this equipment must satisfy themselves that each intended application of this equipment is acceptable In no event will OE Max Controls be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment The examples and diagrams in this manual are included solely for illustrative purposes Because of the many variables and requirements associated with any particular installation OE Max Controls cannot assume responsibility or liability for actual use based on the examples and diagrams No patent l
23. O use For CH1 set to suitable contact addresses Input contact Input contact DNE UE Pee i Besson pense Current value Set value Comparer output C P Current value gt Set value Comparer output same with C gt P terminal block C gt P TR output oa eurrentvalue 0 6 0 Compereroutput Ros PNHinput Same wih PRINH terminal Block input RO 8 Current value Set value Compareroutput C P Current value gt Set value Comparer output same with C gt P terminal block C gt P TR output mus OwWow omwrerowpi SSS Roi nae Same with PRINH terminal blockinput e RO O to RO 4 RO 8 to RO 12 Comparer flag When operating with comparison relay from RO 0 to R0 4 CPU unit scan time must be considered as below When scan time is long operation will be delayed Specifically R0 0 C P turns on only when the current value coincides with target value so if the ON time is short it may not be input to CPU unit In such cases connect external output C P to other input unit and input to CPU unit or use R0 5 same with terminal block output C P e RO 5 RO 13 Coincidence output flag Same signal as external output terminal C P Either 100 ms ON output or Retentive output can be selected using the mode switch RO 5 output is synchronized with input pulse so when course and target value coincides at zero like in the case of power input output Is disabled RO 6 RO 14 Same with PR INH terminal block input RO 7
24. ON Phase differential input mode 2 phase mode 1 x mode Non retnetive output time is 100 ms 130 C P terminal block output method selection OFF One short ON retentive output C P terminal block output selection OFF ON when current value set value ON When current value 0 Input Mode Phase differential input mode 2 phase mode 4 x mode Usually this mode is recommended noise countermeasure You must use this mode when counting encoder output CHO SW1 2 ON OFF ON OFF CH1 SW5 6 ON OFF SW 1 CC 3 CC 4 CC 5 6 CC CE 7 8 ON CC OFF R CIA CIO fm CI ECO CC EEC Phase differential input mode 2 phase mode 1 x mode CHO SW1 2 ON ON ON OFF 3 4 m 5 JM 6 7 m ON T OFF ki h 8 INA i INB k KIA ta tb tc td ta tb tc td 2 1 8T T gt 10 us Direction discrimination input mode Pulse Direction CHO SW1 2 OFF OFF ON OFF CH1 SW5 6 OFF OFF SW1 Mp ta tb tc td i ON INA OFF Pulse INB Direction ta tb tc td 2 BUS H ON L OPEN OFF Individual input mode CW CCW CHO SW1 2 OFF ON ENDER CH1 SW5 6 OFF ON SW1 hp ta tb ON INA UP INB DOWN INA si CW Up pulse INB CCW Down pulse tc ta tb tc gt 5 US Terminal block output C P Non retnetive output CHO SW3 0FF CH1 SW7 OFF CHO SW4
25. abled For output functions like coincidence output of set value and counter value zero value output count over output and comparison output C P C gt P are provided For input functions like counter reset each input of INH SUB for pulse output control and zero input are provided These functions can be controlled not only from PLC but also from outside NX70 HSC1 High speed Counter 1CH Application Example High speed Counter Function Count rotation from encoder output and compare the rotation number with set rotation count and send instructions like conversion or stop to inverter Read data with advanced instruction READ EX oa NX70 CPU750 NX70 Y16RV v M Motor C P conversion input C gt P stop input Input the output from rotary encoder with phase differential input mode 4 x of High speed Counter E Encoder Set condition with advanced instruction WRITE NX70 HSC1 Pulse Output Function Control motor drive with two pulse outputs and count motor rotation and control it Read data with advanced instruction READ Motor drive X Y table wO 0 EE S Input positive current
26. assim Removing Modules from the System 1 Turn off the main PLC power 2 Turn off the power connected to the High speed Counter NX70 HSC1 NX70 HSC2 I O 3 Remove the wirings from the terminal block o Preventing PLC System Malfunctions e Use an isolation transformer and line filter on the incoming power to the PLC when there is equipment using or producing high current high voltage or large magnetic fields in the vicinity e Separate the main system groundings and other device groundings and use 3 way grounding Do not exceed the current and power rating of the external 24 VDC provided by the PLC power supply Otherwise it may cause operation errors Avoid system faults due to programming errors by reading and fully understanding the PLC instructions set Perform regular preventive maintenance on installed systems checking devices and wiring for potential breakdowns and failures Precautions for High speed Counter Unit Operation When input devices like rotary encoder to High speed Counter or under conditions with much noise select Phase differential input 4 x input mode Specifications and Components 100Kcps High speed Counter and 40KHz pulse output function combined with motor drive enables temporary location control High speed Counter input and pulse output functions Note There is no pulse output function for 2CH type NX70 HSC2 product H E NX70 High speed Count
27. e the initial value is automatically sent to current value Set value PV Initial value IV R1 5 R1 13 Retentive Remove The values retained at RO 5 and RO 7 will be cleared on the rising edge OFF gt ON of the output contact R1 5 R1 6 R1 14 Use counter inhibition function R1 7 R1 15 Use preset function Set external input PR INH of terminal block to counter inhibition and preset Only counter inhibition function CHO R1 6 ON R1 7 OFF Setting INA SW1 2 OFF ON Individual input mode INB external input OFF PR INH R1 3 Set value setting OFF intial value K eo ation description When R1 6 ON external terminal block input PR INH input is used for counter inhibition so count Current value disabled for PR INH input range Current value buffer RO 6 Same with PR INH terminal block input RO 7 Retained latched during rise edge of PR INH terminal input rise edge and cleared using R1 5 Retentive removed R1 5 Only preset function CHO R1 6 OFF R1 7 ON INA PR INH Initial value BU Current value Current value buffer RO 6 RO 7 R1 5 COL 1X4 243A X 51452 X53 54 55 156 57 50 q _ A A What is preset Preset means initial value sent to current value by external input or contact control Setting 4 SW1 2 OFF ON Individual input mode 5 INB external input OFF 6 R1 3 Set value
28. e external input RST Counter does not operate when R1 0 contact is ON so turn it OFF when counter operation is needed again Set value target value C P R1 0 R1 1 Counter current value input When this output contact is ON current value at the counter is stored in the inside buffer of the counter Data READ is executed with transmission instruction When R1 1 is not ON and current value is read the inside buffer of High speed Counter Is not written so the previous input data will be read Instruction READ CPU unit High speed Counter unit When High speed Counter NX70 HSC1 is mounted in slot 0 and counter current value is sent to WO and W1 MO O I O part refresh R1 0 to R1 15 TO WO Input from TO WO SZ 2 Size read 2 words FR 0 0 Shared memory address 0 of slot 0 When MO 0 turns ON R1 1 is turned ON by I O part refresh and two words of counter current value address O to 1 are sent to WO to W1 When outputting converted current value turn R1 1 OFF and ON again d Count value Latch Count value Count value Instruction READ READ READ Same data can be read R1 2 Send initial value R1 3 Send target value When this output contact turns ON the data pre sent to the inside buffer of High speed Counter is set as initial and target value set value for counter When R1 2 to R1 3 are turned ON before the initial value and target value data are sent to the inside bu
29. er Unit i NX70 HSC1 1CH Unit High speed Counter Unit Features NX70 PLC High speed Counter 1CH type NX70 HSC1 unit provides 40KHz pulse as 100Kcps High speed Counter input and combined with motor drive enables temporary location control High speed Counter input and pulse output functions 1 100kcps High Speed Response High speed response of 100kcps allows for high accuracy speed control and location decision control 2 Various Input Modes Phase differential input mode 1 x 4 x mode that can count two phase pulse of rotary encoder individual input mode and direction discrimination input mode are provided Select with DIP switch on the bottom of the unit 3 Wide Counting Range Counting range formatted as 24 bit signed binary integer covers from 16 777 216 to 16 777 215 4 Easy to Monitor Counter Measurement and Set Data Built in shared memory helps data read write at PLC freely 5 Combined with Pulse Motor Drive Location Decision Control Enabled Pulse output for pulse motor and servo motor exists Adjustment from maximum frequency 40KHZ to minimum frequency 200HZ and 2 step shift are all enabled Simple motor control and location decision control are enabled by pulse and servo motor combined Frequency of each pulse output and shift time setting from high frequency pulse to low frequency pulse can be easily done with external volume adjustment 6 Comparison Output Counter Input Pulse Output En
30. ess 0 to 1 is transmitted But High speed Counter unit processes data bit in 24 bit so the upper 8 bit of transmitted data is not effective Turn R1 2 and R1 3 ON to set to internal counter In addition internal program uses I O refresh instruction F143 IORF to promote execution Start pulse output at OUTO by turning R1 4 ON after data set to counter When pulse output starts course C objective P so internal contact relay RO 1 C gt P turns ON and pulse output frequency conversion relay R1 6 turns ON and the output will be high frequency pulse Operation mode is set to internal counter mode so the output pulse will be automatically counted and when course pulse objective pulse RO 1 turns OFF converted to low frequency and pulse output stops when current value 0 The High speed Counter is in C20 mode SO C P output exists so increment instruction is sent R1 0 turns ON R1 5 pulse output selection relay turns ON at the same time and pulse output starts at OUT1 when next pulse output is set timer TO is ON Timing Diagram R1 6 C gt P OFF Current value 3000 Current value C 20 DELAY Specifications and Components 100Kcps fast response High speed Counter Easy to monitor and set data of counter values Two counter input channels on one unit High speed Counter Unit Features HAL ER Nm L 1 a 2 I s i 5 T in BL NX70 High speed Counter Unit A AN i FE X S NX
31. ffer of High speed Counter the previously sent buffer data is set Instruction READ CPU unit High speed Counter unit In addition when R1 2 is turned ON coincidence output C P turns OFF at the same time Program Example 2 When High speed Counter is mounted in slot 0 and set WO and W1 data as the initial value of High speed Counter MO O TO 0 2 Store to slot 0 shared memory 2 SZ 2 Read 2 words FR W0 Specify data to WRITE WO MO 1 R12 9 Note When resetting initial and target values turn R1 2 and R1 3 OFF and ON again They should be turned on for only 1 scan as shown above R1 4 Pulse output start When this output contact is ON pulse is output from the output terminal decided based on the mode switch on the bottom of the unit and R1 5 pulse output selection R1 5 Pulse output selection Decides from which one of OUTO and OUT1 the pulse from R1 4 pulse output start should be sent out when the mode switch is set to pulse output 2 R1 6 Pulse frequency conversion Outputs pulse with frequency pre set with volume with converted high and low frequencies R1 7 Return to zero When this output contact is ON return to zero mode starts I O Data Word The set values and current values of the initial and current values from NX70 PLC High speed Counter can be read Each data course initial objective consists of 32 bit and is segmented as shown i
32. iability is assumed by OE Max Controls with respect to use of information circuits equipment or software described in this manual Reproduction of the contents of this manual in whole or in part without written permission of OE Max Controls is prohibited Throughout this manual we use notes to make you aware of safety considerations WARNING Identifies information about practices or circumstances which may lead to serious personal injury or death property damage or economic loss aa identifies information that is critical for successful application and understanding of the product ato identifies information about practices or circumstances that can lead to minor personal injury property damage economic loss or product malfunction However depending on the situation failure to follow the directions accompanying this symbol may also lead to serious consequences Contents Specifications and Components 9 High speed Counter Unit Features esse sese eee ee eee eee EEn 9 General SpecifiCatiONS occcocccocncconcconnonnnonnncnoncnnnnonnncnnnnnonnonnnennnennnrnancenanenns 12 Pertormantce speciosa AS 12 Unit Diagram NX7 07S Dian 14 Mode Switi secrete tered teu here Ve QE a uU dba stud uo EE vL ae dE Cu D dew Pav 15 DIMENSIONS separan E ORTU TRES TETUER 15 Operation Description 17 Counter Architecture aedi dia edr toic ate a EE end 17 VO COMIC R
33. ion Make sure to use an external device when configuring the protective circuit breakers for emergencies or interlock circuits Fasten the terminal screws tightly to ensure that the cable connection is secure Incorrect cable connection may cause overheating and product malfunction Operate and keep the product under the allowed conditions directed in product specifications Otherwise it may cause overheating and product malfunction Do not disassemble or remodel the product Otherwise it may cause an electric shock or malfunction Do not touch the terminals when the power is on Otherwise it may cause an electric shock Do not install your high speed counter module if any of the following conditions are present Mao Do not install your high speed counter module if any of the following conditions are present AN e Ambient temperature outside the range of 0 to 55 C 32 to 131 F Direct sunlight Humidity outside the range of 3096 to 8596 non condensing Chemicals that may affect electronic parts Excessive or conductive dust or salinity High voltage strong magnetic fields or strong electromagnetic influences Direct impact and excessive vibration Nai lo installing Modules on the System 1 Wire I O cables to the terminal block of High speed Counter NX70 HSC1 NX70 HSC2 2 Turn on the power connected to the High speed Counter NX70 HSC1 NX70 HSC2 3 Turn on the main PLC power
34. justment volume Adjusts pulse output frequency or conversion time 4 Mode switch DIP switch for shifting counter unit function Preset as SW1 ON others OFF phase differential input 4 x mode See Mode Switch in Chapter 1 Mode Switch in Chapter 2 Bottom Mode Switch SW1 SW2 1 OFF OFF Direction discrimination input PULSE SIGN 2 OFF ON Individual input mode CW CCW 3 ON OFF Phase differential input mode 4 x mode Recommended 4 ON ON Phase differential input mode 1 x mode SW7 and SW8 are not used Dimensions NX70 HSC1 0 1 gt AB A N als S Gp FLA NP Gp GEL 105mm UL WU DJ Un oboda v N sre e es esr eed e eo eo e zn Dh GIK Wy 3D Z Operation Description Counter Architecture When mounted in slot 0 Node switch External I O terminal Reset Current value latch Send initial value Send target value C P coincidence C gt P comparison Overflow Underflow yed 193unoj C P hardware output Pulse output start Pulse output selection Pulse output frequency LLLI Return to zero yed 3nd3no es ng Return to zero completed The core of counter consists of counter and pulse out part and enables each function based on settings of mode switch and pulse output adjustment volume Pulse output
35. mat 16 777 216 to 16 777 215 b un 100kcps Recommended counter input within 30kcps 3 modes direction discrimination Pulse Direction individual input CW CCW phase differential input 1 x 4 x mode Min input pulse n width 5us individual input MELE DILATON 1 x 4 x mode phase differential input mode function Input mode Output Specification Isolation method Photo coupler Transistor output NPN open collector Rated use voltage 5to 24V DC General ANowapievotage ato 2641 DC variation range Residual voltage 0 5V or less Number of output 2 points C P C gt P points Control COMMON 2 points COMMON Output terminal OFF gt ON 10ps or less ON gt OFF 100ps or less Number of output incor T OUT T points 200 to 40 KHz DUTY 5096 2595 variation 5 Others Internal current consumption 5V ai External connection method Terminal block 20 pin Suitable cable size 0 5 to 1 25 mm terminal screw 32 points 16R 16R Gai sl Polite 16 points input 16 points output Unit Diagram NX70 HSC1 NX70 HSC1 0 1 AB A V N o OVS Gp CD Gp aL fe Delay dez or Fmax Gp Gp 0 1 gt A B R Z S Gp CD leepeeeaees Bottom D lll NS Front 1 Input operation LED Shows ON OFF status of I O 2 Terminal block 20 pin Terminal block for I O and power wiring 3 Pulse output ad
36. n 1 n 2 ta tb tc td 2 BUS H ON L OPEN OFF Individual input mode CW CCW SW1 2 OFF ON ON OFF SW1 2 ta tb aa EN INA UP INB DOWN INA o amp _ meoow CW Up pulse INB CCW Down pulse ta tb tc gt BUS SW3 SW5 Coincidence Output Mode Selection C P Retentive Output SW3 SW5 gt ON ON OFF P target value gt SS REN E C P output i C gt P Cc Kar STL Output C P turns OFF when data is newly set with RST input R1 0 or counter When count value and target value coincide like power input C P output is OFF Coincidence output only turns ON when the count value of pulse count coincides with target value HUT C P Non retnetive output SW3 gt OFF SW5 gt ON Count value GO O Qn EG N 0 J O 01 GM C C gt P FI MJ Output turns ON when count value is 0 in C 0 mode C gt P output starts according to target value P GO JO 01 GM C 0 Non retentive output SW3 SW5 gt OFF C Count Value P Target value 99 ON OFF E 0 E CS C P i E E E C gt P 4 100 ms 30 OOOO Even in non retentive output mode C P stops when C P output 100ms ends initializes counter or RST input or R1 0 turns ON C P i 100 ms 30 RST R1 0 Execute data setting instruction These C P C gt P output not only externally but also
37. n the table below Data lO is controlled by READ WRITE instructions in NX70O series Shared memory MAP of High speed Counter ERE Current value Lower 16 bit Initial value Lower 16 bit Current value Upper 8 bit l l Target value Lower 16 bit a a 32 bit Target value Upper 8 bit only positive sign Wr All set to zero during power input Current value and initial value have a sign bit at the most significatn bit MSB bit 8 So if it is set as FF it becomes a negative number Upper 8 bit Lower 8 bit Word address 3 OA AAA Sign 00 Data FF Target value setting is not accepted as H FF When writing data as decimal number do the following Send 500 as 2 words 32 bit data to WO and W1 FFFFFEOC in hexadecimal Special unit instruction data input Advanced Instructions Instruction READ Operation condition J Instruction READ CPU unit instruction WRITE High speed Counter unit Starting number of CPU unit register where to store read data WO Number of words to read 5 words Starting address of shared memory to read High speed Counter memory MAP NO 0 Slot number where the special unit High speed Counter unit to read is mounted Slot 0 The program above reads 5 words of data from shared memory address 0 of High speed Counter mounted in slot 0 and stores the 5 words of data to WO to W4 of CPU unit Program example where NX70
38. ntrolling motor with pulse output In return to zero mode the following I O is available e R1 7 Internal contact Starting signal of return to zero If this is ON this mode is pre set by mode switch and R1 5 pulse output selection relay and pulse output starts from OUTO or OUT1 Output frequency is set to high frequency F max Set R1 7 to turn only 1 scan ON during program operation e SUB input When this is ON output frequency shift from high frequency F max to low frequency F min e ZERO input When this in ON low frequency F min output turns OFF ZERO input is recognized only after SUB input is ON e RO 4 internal contact Complete signal of return to zero RO 4 turns ON when zero input turns ON This contact is retained until return to zero operation starts When return to zero completes counter current value is set to undefined so new data must be defined before the next operation starts a High frequency F max Low frequency F min Wiring Diagram The internal I O circuit of High speed Counter unit is as follows NX70 HSC1 Internal wiring 0 1 gt AB RIZS External wiring EB O OUTO TE OUTO LED rum es oS T A LL Hess RIA FS ale QUT L P N DE uc CST S owl il Y j o M SS a CY SZ LIS TS EE BER ON EE ae NATA ae aM AE EE SIE Wiring example 1 Connection with servo drive Servo drive NX70 HSC1 0 1
39. o every second Ee 2 ab c 3 D 2 oO o S E os 23 o D e G 2 ab b S 5 gt o m gt e 2 3 3 Y 5 _ L Oo c E 9p gt O E R12 R1 1 L 1 0 F F1 0 F F1 0 F F1 4 R F1 4 R F1 R1 1 R1 1 Operation Description To monitor current value data every second values similar to output frequency are stored in data register DTO and DT1 Data register monitoring is controlled by programming tool WinGPC The example on the previous page outputs lowest frequency F min When setting highest frequency F max R1 6 must be turned ON by forced output adjustment in RUN mode Force I O adjustment can be done by programming S W Pulse output start stop condition e Start start output 1 R1 4 pulse start is ON Pulse is not output when current value coincides with target value 2 R1 7 return to zero start is ON See Return to zero mode in Chapter 2 for more details e Stop stop output condition 1 Coincidence output C P terminal output is ON In C P mode current value coincides with target value In C20 mode current value is zero 2 RST input is ON 3 R1 0 reset contact is ON 4 n return to zero mode ZERO input turns ON after SUB input turns ON See Return to zero mode in Chapter 2for more detail Return to zero mode NX70 PLC High speed Counter NX70 HSC1 1CH unit has temporary location decision function for co
40. om RO 0 to R0 3 CPU unit scan time must be considered as below When scan time is long operation will be delayed Specifically RO 0 C P turns on only when the current value coincides with target value so if the ON time is short it may not be input to CPU unit In such cases connect external output C P to other input unit and input to CPU unit or use RO 5 hardware coincidence output same as external output C P RO 4 Return to zero completed flag Indicated it has arrived at zero in return to zero mode and retained until the next return to zero contact R1 7 turns ON See Return to zero mode in Chapter 2 for more detail on return to zero mode Return to zero start RO 4 ewe ON LN Complete Complete RO 5 Coincidence output flag Same signal as external output terminal C P Either 100 ms ON output or Retentive output can be selected using the mode switch R0 5 output is synchronized with input pulse so when current value and target value coincides at zero like in the case of power input output disables See SW3 SW5 Coincidence Output Mode Selection in Chapter 2 Output Contact Mounted in slot 0 mo E a Comer curentvalueinput SSS ra PMsowptsa SSS rs Pulse frequency conversion SSS R1 0 Counter reset When this relay is ON the current value and target values are reset to zero and C P coincidence output is also turned OFF Pulse output is also turned OFF This contact operates just lik
41. output 4 points C P C gt P x 2 points Control MEAN 2 points COMMON output ermina OFF ON 10us or less ON OFF 100us or less Others Internal current consumption 5V LS External connection l method Terminal block 20 pin Suitable cable size 0 5 to 1 25mm2 Terminal block terminal M3 0 screw Screw Occupied I O points 32 points 16R 16R 16 points input 16 points output Unit Diagram NX70 HSC2 NX70 HSC2 1 Input operation LED Shows ON OFF status of I O 2 Terminal block 20 pin Terminal block for I O and power wiring 3 Mode switch DIP switch for shifting counter unit function Preset as SW1 ON SW5 ON others OFF phase differential input 4 x mode See Mode Switch in Chapter 3 Mode Switch in Chapter 4 Front LED indicator ENT value 0 RO 5 8 NB P Preset setting indication Counter inhibition operation indicator Inhibit ENT eer value 0 RO 13 8 NB P Preset setting indication Counter inhibition operation indicator Inhibit Bottom Mode Switch SW1 2 OFF OFF Direction discrimination input Pulse Direction SW1 2 OFF ON Individual input mode CW CCW SW1 2 ON OFF Phase differential input mode 2 phase mode 4 x mode Recommended SW1 2 ON ON Phase differential input mode 2 phase mode 1 x mode Non retnetive output time is 100 ms 30 C P terminal block output method selection OFF one short
42. ow frequency pulse output starts Turn it ON to output high frequency pulse Pre set with each volume the following values F min F max F min lt gt F max conversion time T See Adjustment volume in Chapter 2 Setting Adjust volume as follows using minus driver e Set CPU unit to program mode PROG e With WinGPC S W force I O function turn R1 7 ON and pulse output starts SUB input OFF When High speed Counter unit is mounted in slot 0 e Adjust volume F max while viewing OUTO waveform on oscilloscope e Turn SUB input ON and adjust volume F min as above e Conversion time T must be set to the most suitable value by actually operating motor NX70 High speed Counter NX70 HSC 1 NX70 HSC1 EN Gp CD Oscilloscope E O F min e E E max SE x exe leo xe e e Bottom Ik Front Temporary use example Frequency temporary measurement program Temporarily measure the frequency of pulse output without devices like oscilloscope The program below monitors frequency every second so pulse output frequency can be easily set with this method In the example below High speed Counter unit is mounted in slot 0 Programming WinGPC SAN nc UU N op a C3 we X A BII NM FLO OF OO l i z a Lo o Lo ES ESTE E a E Mode Switch ON OFF NX70 HSC1 Read current value every second Reset to zer
43. red by using R1 5 Retentive removed Current value buffer update current value current value buffer Rise edge of R1 1 rise edge R1 3 ON and rise edge of PR INH terminal block input Set value buffer set value transmission Rise edge of R1 3 Initial value Current value preset transmission Rise edge of R1 2 When R1 7 ON rise edge of PR INH rise edge R1 4 ON and current value coincides with set value Clear RO 5 Sending set value by rise edge of R1 3 rise edge Removing retentive by rise edge of R1 5 rise edge I O Data Word NX70 PLC High Speed Counter 2CH NX70 HSC2 can READ initial value set value buffer and current value for CPU unit Each data current value buffer initial value set value buffer consists of 32 bit and is segmented as shown in the table below Data I O is controlled by READ WRITE instructions Shared memory MAP of high speed counter Current value buffer Lower 16 bit Initial value Lower 16 bit Ur sisse Upper 8 bit and sign and sign Set value buffer Lower 16 bit Set value buffer Upper 8 bit only Current value buffer Lower 16 bit Initial value Lower 16 bit iM P Upper 8 bit and sign and sign Set value buffer Lower 16 bit Set value buffer Upper 8 bit only positive sign EN positive sign NN EN Data configuration Current value buffer Current value buffer Upper 8 bit Current value buffer Lower 16 bit Initial value
44. rent value buffer g Level Use preset function l operation Preset Rise edge Initial value Current value g Set value Biens Set value buffer Set value g If current value set value R1 12 Ring counter ga 3 operation Initial value Current value Remove retentive flag of input R1 13 Retentive remove RO0 13 RO 15 Rise edge contaci Level When terminal block input is Use inhibition function set to PR INH counter is set to operation DE ONE count inhibition O I The current value is set to the initial value i e presetting occurs on the rising edge of the terminal block input PR INH Level operation Use preset function R1 0 R1 8 Counter initialization Initialize inside of high speed counter Counter does not operate when R1 0 contact is ON so turn it OFF when counter operation is needed again R1 1 R1 9 Counter current value input When this output contact is ON current value at the counter is sent to the inside buffer of the counter Data READ is executed with transmission instruction READ instruction When R1 1 is not ON and current value is read the inside buffer of high speed counter is not written so the previous input data will be read Instruction READ CPU unit High speed counter unit Program Example 1 When high speed counter NX70 HSC2 is mounted in slot 0 and counter current value is sent to WO and W1 MO 0O I O part refresh R1 0 to R1 15 TO 2 WO
45. setting volume I O Contact NX70 PLC High speed Counter Unit NX70 HSC1 occupies 16 points input and 16 points output totaling 32 points Internally only 6 points input and 8 points output are used Input Contact R00 C P coincidence output OVER FLOW C canens AN P Set value target value ROA Return to zero completed C P C gt P output can be external output DOE TOROS Specification differs partly based on the mode Relation between internal relay and current value RO O to RO 3 ILYSEDAL e A TE Set value can be only positive 0 to 16777215 Set value Flag Variation C P RO 0 ON when current value set value 1 16777216 a EODEM a C gt P ON when current value gt set value OVER FLOW ON when current value 16777215 C P IL Mi UNDER FLOW ON when current value lt RO 0 16777216 C P R0 5 Coincide with external output C gt P PAE C P and output width is 100ms and retained based on DIP RO 1 switch setting on the bottom of the unit e e A AAA A A m m m l m m m m OVER FLOW RO 2 UNDER FLOW RO 3 C P RO 5 Mo If OVER FLOW UNDER FLOW occurs two consecutive times flag variations after that will be incorrect So precaution is required RO O to RO 3 When operating with comparison relay fr
46. when the 1 C 6 value coincides with target value E L 1 O C P output ON 4 C 5m lt e L 7 Y EE D Up down count 8 L Internal count down counter SW4 gt ON SW5 gt OFF O O c lt A ON OFF D lr P Always down count 2 target 3 value 4 5 a D 6 l 0 When this is ON pulse 7 IL output varies based on 8 CS output terminal mode set ms bL E ws Pulse output turns OFF when C P ee count value C turns zero Do not connect anything to external terminal INA and INB when counting pulse output internally External count Up down counter SW4 SW5 OFF Up down count Pulse output turns OFF when count value turns zero CON O Qn E GMM cp dl Pulse Output Function Adjustment volume NX70 PLC High speed Counter unit NX70 HSC1 has pulse output function which enables control of pulse motor and slow up down control for servo motor Pulse conversion time adjustment volume Lowest frequency adjustment volume Highest frequency adjustment volume Pulse conversion time adjustment volume DELAY Decides pulse conversion time T which is the time period when the lowest frequency F MIN turns to the highest frequency F MAX or F MAX turns to F MIN that is pre set by volume resistance 100 to 500ms Frequency f Pulse conversion time does not vary linearly F max Highest frequency Rmin esses pese Lowest frequency
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