fx-1hc user manual
Contents
1. mm number identification ete aris Extension cable ARP ane connector Cr d poe Em Attachment groove for35 mm 1 38 27 Wide DIN rell terminal screws oU T inus o 2 CONFIGURATION AND SPECIFICATIONS Performance Specifications The environmental specifications for the FX 1HC are the same as those for your base unit of the FX series Limp 2mputs 1edgecoun 2edgecoun edgecoum _ frequency _ some _ _ tt Rise fall time is 34s or less t2 ON OFF pulse duration 1048s or more t3 Phase difference between phase and phase is 3 5us more PRESET Z phase input 100s or more DISABLE count prohibit input 1004s or more Input signal Pulse shape Automatic UP DOWN however when on 1 phase 1 input mode UP DOWN is deter mined by a programmable controller command or an input terminal When 32 bit is specified 2 147 483 648 to 2 147 483 647 When 16 bit is specified O to 65 535 upper limit can be user specified Each output is set when the present value of the counter matches with the compare value which is transferred from the programmable controller and is switched OFF by a reset command from the programmable controller Counting specification Comparison Type YH Direct output processed by hardware YS Software processed output with worst delay time of 3004s2. US ae MITS PROGRAMMABLE CON ADVANCED AND EVER ADVANCING MITSUBISHI ELECTRIC X 1HC R S MANUAL FOREWORD e This manual provides technical information on the use of this special function block in connection with the FX programmable controller e Users should ensure that the details of this manual is studied and understood before attempting to install or use these units CONTENTS MON DH B fa INTRODUCTION CONFIGURATION AND SPECIFICATIONS CONNECTION WIRING ASSIGNMENT OF BUFFER MEMORY COUNTER MODES BFM 0 to 3 COMMAND SETTINGS BFM 4 to 15 CURRENT VALUE STATUS INFORMATION BFM 20 to 30 REQUIRED PROGRAMMING OPERATION ABNORMALITY CHECK OUTLINE OF FROM TO INSTRUCTION 10 13 19 18 20 1 INTRODUCTION The FX 1HC hardware high speed counter block is a 2 phase 50 kHz high speed counter It is a spe cial extension block for the FX series programmable controller The FX 1HC counts at a higher speed than the built in high speed counter of the programmable controller 2 phase 2 kHz 1 phase 10 kHz and performs comparisons and outputs directly 1 Compatible PCs Versions 2 0 or later of the FX series of program mable controllers those with serial nos 13XXXX or larger may be used with the FX 1HC This is because the FROM and TO commands are used to transfer data between the programmable con troller base unit and the FX 1HC 2 Unit Configur
3. valus Sei vato lt cure aue BFM 26 is only for reading only Write commands from the programmable controller are ignored 7 CURRENT VALUE BFM 20 to 30 4 Terminal status BFM 27 BFM 427 When o OFF _ When 1 ON EINE 7 7 3L LII E vss D is OFF Undefined 1 When BFM 4 b4 1 the contents of BFMs 11 10 are written into the current value register of the counter immediately after the PRESET terminal changes to ON 2 When BFM 4 bO 1 counting starts imme diately after the DISABLE terminal changes to OFF 3 Output occurs when the current value be comes equal to the compare value but only if b1 and b2 of BFM 4 are OFF Once an output is set it remains ON until it is reset by b9 or b10 of BFM 4 If b3 of BFM 4 is ON how ever one of the outputs is reset when the other is set STATUS INFORMATION 5 BFM 29 Error status Current value Compare value Coincidence output Coincidence output Error status in the FX 1HC can be checked by reading the contents of b0 to b7 of BFM 29 to auxiliary relays of the programmable controller M8000 Special block No 2 BFM 29 b7 to b0 M107 100 16 7 CURRENT VALUE STATUS INFORMATION BFM 20 to 30 BFM 30 bo Set when any of b1 to b7 is ON Set when the value of the ring length is written incorrectly The identification number for a Special Block is
4. 14 Set the compare value for YS output not necessary if only YH output is used Note that counting only occurs if count pro hibit is OFF Also outputs will not be set from the counting process at all if the relevant out pu prohibit are set in the command register lease reset the error flags and YH YS output before you start The mutual reset and preset initialization commands can be used as re quired 7 M25 to M10 gt BFM 4 b15 to b0 command 8000 i ve re o 8 BFM 21 20 gt Reads the current value to data registers D3 and 2 9 OPERATION ABNORMALITY CHECK Preliminary Checks Troubleshooting 1 Check that the I O wiring and extension The following LEDs on the main panel of the FX 1HC cable of the FX 1HC are properly con nected 5V TOmA power is supplied from the base or extension units for the FX 1HC Check that there is no power overload from this and other extension blocks The counter works correctly only when data such as the counter mode set with a pulse command the TO command the compare value etc are appropriately specified Remember to initialize the count BFM 4 b0 preset BFM 4 b4 and output BFM 4 b2 b1 prohibits Reset the YH YS outputs before you start may help you to troubleshoot the unit e dA Goes on off as input turn ON OFF It can be checked by rotating the encoder slowly e UP DN Lights up to indicate w
5. 5 Default KO Default KO 4 ASSIGNMENT OF BUFFER MEMORY Data transfer between the FX 1HC block and the Programmable Controller is through the FX 1HC s RAM buffer memory 32 address locations each of 16 bits by the controller s FROM TO Instructions With reference to the table on the previous page W These settings determine how the counting and the setting or resetting of the output is made The FX base unit should write to these areas before starting any count process R These areas are for monitoring purposes They are read only areas in which data can be read by the FROM instruction but cannot be written by the TO instructions If the TO instruction is attempted on these areas the instruction is ignored R W These areas are read and writable They can be read for monitoring purposes They can also be written to for resetting Care should be taken when writing to these areas as the current data will be lost e Write read examples X000 X001 ar oe xe ie The contents of data registers D1 and DO are The contents of BFMs 21 and 20 of special written into BFMs 13 and 12 of special block block No 2 are read to data registers D3 and D2 No 2 4 ASSIGNMENT OF BUFFER MEMORY 5 COUNTER MODES BFM 0 to 3 1 BFM 0 Counter mode a 32 bit counter modes The counter mode is selected from the program 2 147 483 647 A 32 bit binary counter mable controller As shown be
6. Therefore when the input frequency is 50 kHz there is a worst case delay of 15 input pulses 2 CONFIGURATION AND SPECIFICATIONS YHN NPN transistor output for YH output YHP PNP transistor output for YH output Output Signal Types of outputs YSN NPN transistor output for YS output YSP PNP transistor output for YS output Output capacity DC 12V to 24V 0 5A Occupation 8 points but not addressed by X Y relays DC SV 70m 3 CONNECTION WIRING NPN output encoders y can also be used Encoder Phase A m ee a ete ee es i NET see RU eee em exu Eu ne E E me ai E ud d ee T 1 Do not connect YHP and YHN or YSP and YSN together 2 Connect SG and the grounded terminal at the programmable con troller side as required Extemal power source DC 12 24V power e 3 3 CONNECTION WIRING lt Using the solderless termination gt Use crimp terminals of the dimensions specified in the left figure ForM35 E Secure the terminals using a tightening of 5 to amp kg cm E pott Wire only to the module terminals discussed in this manual Leave all oth 4 ers vacant Use with other extension blocks The FROM and TO commands are used D most the Special Function Blocks g analog inp t blocks analog output blocks high speed counter blocks Th
7. a vs ouput prenion vB ouput perm AN inaependent eaten ret wem ore o e easton fee We aston nent ive ma vem When is set to ON and the DISABLE input terminal to OFF the counter is permitted to start counting input pulses Unless b1 is set to ON YH hardware com pared output does not turn ON Unless b2 is set to ON YS software com pared output does not turn ON When b3 ON YS output is reset if YH output is set and YH output is reset if YS output is set When 03 OFF and YS outputs act in dependently and do not reset each other 5 When b4 OFF preset function from the PRE SET is disabled When b8 is set to ON all error flags are reset When b9 is set to ON output is reset When b10 is set to ON YS output is reset When b11 is set to ON YH output is set ON 10 When b12 is set to ON YS output is set ON Example Program gt v Cun o N M8000 To kamio K1 In the above program M25 to M10 map onto b15 to 50 of BFM 4 of special block No 2 b4 to bO are turned ON at all times by M14 to M10 b8 M18 b9 M19 and b10 M20 are con trolled by the programmable controller inputs X004 and X005 6 COMMAND SETTINGS BFM 4 to 15 2 BFM 11 10 Preset data e Data to be used as the initi
8. OFF 3 and 2 of special block No 2 as a 32 bit bi UP nary value BFM 3 0 2 100 Permit Current T ted values K2 to K65 536 value DOWN UP A i e Software UP DOWN K10 K11 BFM 1 98 99 0 1 KO K1 2 UP DOWN is ow f PTTL LULU ULL determined F by the con 1 0 99 98 tents of BFM 1 0 1 When ring length K100 is specified the value of xii the counter changes as shown above Sam FT D pown 11 5 COUNTER MODE BFM 0 to 3 4 1 phase 2 input counter K6 K7 e 2 edge count counter K2 K3 Phase A Phase A ON input 1 at FFA TAR LA LAL OFF ON A ON 1 4 1 1 Phase B Phase B OFF at OFF gt ON 1 2 3 3 3 2 1 0 Phase B input OFF gt ON Phase B input ON OFF ON gt OFF Count OFF gt ON Count down If both phase A and phase B inputs are received 1 each change by 1 each change simultaneously the counter value does not change e 4 edge count counter K4 K5 5 2 phase counter KO to K5 e 1 edge count counter KO K1 UP COUNT Phase A input Phase A Phase B ron Phase B input DOWN COUNT 1 Phase B input OFF ON Phase B input ON OFF while phase A input ON while phase A input ON Phase A i Count up by 1 Count down by 1 iii Phase B input 12 6 COMMAND SETTINGS BFM 4 to 15 1 BFM Command ema wren or wen ow e
9. al value when the counter starts to count e Data becomes valid when b4 is set to ON and PRESET input terminal changes from OFF to ON The default value of the counter is zero You can change it by writing a value into BFM 11 and 10 or by using the above command e The initial value can also be set by writing the data directly into BFM 21 and 20 current value of the counter Write counter data with D TO e Count data is always handled as a pair from two 16 bit values in this special counter block 16 bit 2 s complement values stored in the reg Isters of the programmable controller cannot be used e When you are writing a positive value between K32 768 and K65 535 the data should be treated as a 32 bit value even when a 16 bit ring counter is used e When transfering counter data to from this spe cial counter block always use the 32 bit forms of the FROM TO instructions D FROM D TO 14 3 BFM 13 12 Compare vaiue for YH output e After comparing the current value of the counter with the value written in BFM 13 and 12 the hardware comparator in the FX 1HC outputs the comparison result e YH output will not turn ON if you use the pre set or the TO instruction to set the preset value equal to the counter value It will turn ON only when a match occurs by the counting of input pulses 4 BFM 15 14 Comparison set value for YS output e After comparing the current value of the count
10. ation The casing of the FX 1HC unit resembles that of the 16 I O point extension block but the number of I O points occupied by the FX 1HC is actually eight you can count them as either input or out put points The FX 1HC unit consumes 70mA of the 5V power supplied by the programmable con troller so you must take care to keep the total power consumed by all the extension blocks below the allowable limit of your programmable controller The output circuit of your encoder or the transistor outputs of this special block will re quire a separate power source 3 Input Signal The source of your input signal should be a 1 or 2 phase encoder A 5V 12V or 24V power source can be used An initial value setting com mand input PRESET and a count prohibit com mand input DISABLE are also available 4 Transistor Output When the counter value coincides with their com pare values the appropriate output is set ON A PNP and an NPN output transistor is provided for both outputs to allow either sink or source connection methods 5 Counter mode Various counter modes such as 1 phase or 2 phase 16 bit or 32 bit modes can be selected using commands from the programmable control ler Allow the FX 1HC unit to run only after set ting these mode parameters 2 CONFIGURATION AND SPECIFICATIONS _ Weight Approx 0 5 kg portis DR e Accessories Self adhesive labels for special block 1 Dimension mm inches
11. efault P 12 4 waveform corrected P 13 comparator O P output P 17 b2 b4 of table changed Ap JY992D27301C P 7 BFM 20 21 R gt R W Sept 1993 JY992D27301D Text change P 1 7 13 17 Chapter 8 title P 18 R W text P 7 8 Under no circumstances will Mitsubishi Electric be liable or responsible for any consequential damage that may arise as a result of the installation or use of this equipment All examples and diagrams shown in this manual are intended only as an aid to un derstanding the text not to guarantee operation Mitsubishi Electric will accept no responsibility for actual use of the product based on these illustrative examples Owing to the very great variety in possible applications of this equipment you must satisfy yourself as to its suitability for your specific application a MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE MITSUBISHI DENKI BLDG MARUNOUCHI TOKYO 100 TELEX J24532 CABLE MELCO TOKYO HIMEJI WORKS 840 CHIYODA JAPAN Effective SEP 1993 JY992D27301D Specifications are subject HI IB 057 D 9309 SEN to change without notice
12. er with the value written into BFM 15 or 14 the software comparator in the FX 1HC outputs the comparison result e The comparison operation takes about 300us and if a match occurs the output goes ON e The output will not turn ON if you use the pre set or the TO instruction to set the preset value equal to the counter value it will turn ON only when a match occurs by the counting of input pulses 7 CURRENT VALUE BFM 20 to 3 38 STATUS INFORMATION 1 Counter current value BFM 21 20 The current value of the counter can be read by the programmabile controller It will not be the correct value during high speed operations because of the commu nication delay The current value of the counter can be forcibly changed by writ ing a 32 bit value into the appropriate BFMs from the programmable controller Although a match may occur while you are rewriting you will not get an output 2 count value BFM 23 22 These store the maximum and minimum values reached by the counter If the power is turned off the stored data is cleared 3 Comparison status BFM 26 BFM 26 When O OFF When i ON no Seivaluescurent value Se value gt curent valve h er Setyatueesurent value Sevatue curent vare sa Setvauezsurent vale Set value lt curentvalu ba Setvaluescurrent value Set value current value YS Setvaluewcurrent value Set value current value Les
13. ese may be connected directly to the FX Programmable Controller s extension port or to any other extension unit s right side extension port Each unit or block is consecutively numbered from 0 to 7 beginning from the one closest to the base unit A maximum of eight Sper a function blocks can De connected to one base unit 48 007 77 ORX4ADEX BEX FX32ER PAHC X0to X27 ee Special X30 to Specials 40 0 X57 Special lt YO to Y27 block No O X37 block Y30 to 47 block No 2 6 2 9 d d 4 ASSIGNMENT OF BUFFER MEMORY BFMnumer 1 1 Default Ring length Upper 16 bits K65 536 W 4 51049 Canoetbeused Preset data Lower 16 bits Preset data Upper 16 bits YH compare value Lower 16 bits Default YH compare value Upper 16 bits K32 767 YS compare value Lower 16 bits Default Default KO W 15 YS compare value Upper 16 bits K32 767 Cannot be used R W 20 Counter current value Lower 16 bits R W 21 Counter current value Upper 16 bits Maximum count value Lower 16 bits Maximum count value Upper 16 bits Minimum count value Lower 16 bits 7 Compare results 27 528 _ Canmotbeued o 0 oO Error status fee 30 Model identification code K4010 is witten o ____ 31 anmotbeued 0
14. hether the counter is going up UP or down DN e PRESET and DIS The appropriate LED lights up when the PRESET terminal or the DISABLE terminal is ON e YH YS The appropriate LED lights up when YH YS output is turned on You can check the error status by reading the con tent of BFM 29 to the programmable controller Error contents are shown on page 17 10 OUTLINE OF FROM TO INSTRUCTION FNC 78 m2 n BFM 20 to 25 of S fees ve Dm Dom ve M special unit No 2 D120 dise to D125 Special function unit or block number These are numbered consecutively from KO to K7 starting from the one closest to the base unit m2 Buffer memory head address m2 KO to K31 D Transfer destination head address C D KnM KnY V or 2 can be specified This argument can be coupled with an index register The Y of words to be transferred n K1 to K32 Ene mi m2 S nm D112 to D115 trans we ove oe X11 No 0 BFM 12 15 m1 m2 n The same as above S Transfer destination head address C D KnX KnY KnM 5 V Z K or can be spec ified This argument can be coupled with an index register When X10 or X11 is OFF transfer is not executed and data at the transfer destination will not be changed 20 Revisions EDITION DATE MANUAL NUMBER REVISION Jun 1991 JY992D27301A First edition Aug 1991 JY992D27301B P 3 5 gt 3 5 5 P 11 initial value gt d
15. low values be scs which executes UP DOWN tween KO and K11 are written to buffer memory Upper counting will change from BFM 0 from the programmable controller When a in MURS you are about to begin you must give a momen 0 the lower limit when QUB tary command using M8002 initial pulse as the flow occurs Both the condition contact of the TO instruction A continu Upper an ore limits 6 Lower ixed values the upper limit ous command is not allowed pa 8 2 147 483 647 and the Modes of KO to K11 of buffer memory BFM 0 2 147 483 648 lower limit is 2 147 483 648 Count odes web b 16 bit counter modes 2 phase input 1 edge count Ko K A 16 bit binary counter handles only positive values pulse 4edgecoum 1 phase 2 input add subtract pulse Ke K Ring length HIWUPIDOWN TET 1 phase 1 input Sw UPIDOWN xu Changes to zero from the upper limit or to the upper H W Hardware limit from zero when overflow occurs the upper limit is determined by BFMs 3 and 2 S W Software 10 5 COUNTER MODES BFM 0 to 3 2 BFM 3 2 Ring length 3 1 1 input counter K8 to K11 e Hardware UP DOWN K8 K9 Stores the data to specify the length of the 16 bit counter default K65 536 Phase A OFF ON ike ON UP DOWN is oro e m me F by input phase A In the above example K100 is written into BFMs ON
16. other than K2 to 65 536 read by using the FROM command Diu incorrectly The identification number for the FX 1HC unit is Dien al T mr luli By reading this identification number the user incorrectly may create built in checking routines to check Whentheupperor Whether the physical position of the FX 1HC limit send dir matches to that of the software Cl iier oed B m Set when the FROM TO command is used incorrectly b8 These error flags can be reset by b8 of BFM 4 17 8 REQUIRED PROGRAMMING Please use the following program as a guide whenever you use the FX 1HC unit Other instructions to read the current value of the counter status etc can be added as required M8002 1 Initial pulse 4 5 Count allowed M8000 MD Output allowed 6 Mutual reset X11 ma Preset allowed X12 PLS e Error fiag reset X13 M18 and M20 YH YS output reset M RUN monitor Kt 18 K11 is written into BFM 0 of special block No 2 The counter Input is 16 bit 1 phase Please use a pulse command for this initializa tion 1234 BFM 3 2 special block No 2 The ring length can be specified when a 16 bit counter is specified UP DOWN direction should be specified for 1 phase 1 input software determined UP DOWN counter K1000 gt BFM 13 12 Set the compare value for YH output K900 gt BFM 15
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