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MELSEC-L High-Speed Counter Module User`s Manual

1. b User devices Device Description D20 to D35 Interrupt enable flag storage for IMASK instruction 106 CHAPTER 10 PROGRAMMING 3 Program example Before using an interrupt pointer enable an interrupt with the IMASK instruction Enabling interrupt of 1507 DI SM402 MOV H4 D23 IMASK D20 El Program for high speed counter module FEND lt Interrupt program 150 Interrupt program IRET END Point When the program above is executed the 150 interrupt program is enabled and all other interrupt programs are disabled To execute any interrupt program other than the 150 interrupt program set the bit that corresponds to the target interrupt pointer to 1 enabled For details on the IMASK instruction refer to the following J MELSEC Q L Programming Manual Common Instruction uonoun 1dnujeju uonoejeq eouepiouio2 eui YM ejduiex3 urejBoug FOL 107 CHAPTER 11 TROUBLESHOOTING This chapter describes errors that may occur while using the high speed counter module and those troubleshooting Point The high speed counter module does not support the following functions performed in the system monitor Display of the H W Information window Display of errors and the corresponding actions in the Module s Detailed Information window Module error collection function
2. Count down pulse input Encoder B c 2 phase pulse input The count method can be selected from 1 multiple 2 multiples and 4 multiples The phase difference between the A phase pulse and B phase pulse determines whether the pulses are counted up or down The following figure shows the relationship between A phase pulse input and B phase pulse input High speed counter module sepow ndui esjnd jo sed p yg spo Bununo pue sepoyy 1ndu easing 4 8 Phase A pulse input oA Encoder Phase B pulse input eB 61 8 1 2 Set a counting method by switch setting For details on the setting method refer to the following Switch Setting 7 s Page 54 Section 7 2 8 1 3 Setting a counting method Reading the present value This section describes the details on the present value stored in the buffer memory and the count values selected from the counter function selection and their reading method 1 Storage location of the count value The present value is always stored in CHO Present value Un G2 Un G3 Un G34 Un G35 regardless of the counter function used When the latch counter sampling counter or periodic pulse counter function is performed the count value is stored in the corresponding buffer memory areas listed in the table below Counter function selection count value TE p Periodic pulse Periodic pulse Description P
3. Terminal input voltage Operating 0 4 current EY Internal circuit number Signal name Operation guaranteed classification guaranteed CH1 CH2 value value A20 A14 Phase A pulse input EIA Standard RS 422 A Line receiver AM26C32 manufactured by Texas Digital L Instruments Incorporated or equivalent j B20 B14 Phase A pulse input The line receiver specifications are as follows VIT Differential input on voltage H level threshold volt 0 2V s A MOW ATKO A19 A13 Phase B pulse input ate idi i dis age NA VIT Differential input off voltage i laesi a L level threshold voltage 0 2V isolator 1 2W 2 i f B19 B13 Vhys hysteresis voltage VIT VIT 60mV Line K47kK0 V receiver Um on jo B19 BIS Phase B pulse input Current type line driver cannot be used i 140W On 21 6 to 26 4V 2 to 5mA A18 A12 Preset input 24V off 5V or less 0 1mA or less A18 A12 On 10 8 to 13 2V 2 to 5mA Input 1kQ B18 B12 Preset input 12V 1 10W Off 4V or less 0 1mA or less B18 B12 On 2 5 to 5 5V 2 to 5mA rY A17 A11 Preset input 5V E A17 A11 Off 1V or less 0 1mA or less Response Offto on On to off 817 811 B17 B11 PRSTCOM time 0 5ms or less 1ms or less On 21 6 to 26 4AV 2 to 5mA A16 A10 Function start input 24V 10K Off 5V or less 0 1mA or less A16 A10 On 10 8 to 13 2V 2 to 5mA 1kQ B16 B10 Function start input 12V 1 10W Off 4V or less 0 1mA or less B16 B10 On 2 5 to 5 5V
4. Counter function Counter function selection Set the special counter function D Count Disabling Function 0 Count Disabling Function Sampling periodic time setting D x10ms 0 xi ms This area is used to set the values that are preset in the counter 2147483648 to 2147483647 Item Description Setting value Preset value Enter a preset value 2500 Coincidence output point u No 1 Enter a value for the coincidence output point No 1 1000 Coincidence output point pus TERM Not used x No 2 Ring counter upper limit 5000 Enter these values when using the ring counter function Ring counter lower limit 5000 Counter function selection Select the counter function to be used Select any function when a counter function is not used Depends on the function used Sampling periodic time setting unit 10ms Enter a value when using the sampling counter function 1000 Enter a value when using the periodic pulse counter function 500 102 CHAPTER 10 PROGRAMMING 6 Open the Auto Refresh window for the high speed counter module and set parameters as shown below X Project window Intelligent Function Module LD62 gt Auto Refresh 0000 LD62 Auto Refresh Display Filter Display All j Item Transfer to CPU Present value Latch count value Sampling count value Periodic pulse count previous value wW1000 wW1002
5. CHAPTER 8 FUNCTIONS 8 5 Counter Function Selection The count disable function the latch counter function the sampling counter function or the periodic pulse counter function can be used by selecting each item in Counter function selection The selected counter function is performed by the counter function selection start command A voltage is applied to the function start input terminal or CHO Counter function selection start command Y6 YE is turned on by a program The counter function selection permits using only one function of the four counter functions 1 Setting method Select a counter function in Counter function selection X Project window Intelligent Function Module Model name Parameter zi Counter function Set the special counter function Counter function selection 0 Count Disabling Function z 0 Count Disabling Function Sampling periodic time setting 0 Count Disabling Function 1 Latch Counter Function 2 Sampling Counter Function 3 Periodic Pulse Counter Function Item Description Reference Count Disabling Function Stops counting while CHO Count enable command Y4 YC is on Page 78 Section 8 6 Latch Counter Function Latches the present counter value when a signal is input Page 79 Section 8 7 Sampling Counter Function Counts pulses input during the specified sampling period T Page 80 Section 8 8 Stores the present and previous counter values to CHO Periodic pu
6. Coincidence output Flash ROM setting Current value display Make text file Stop monitor Details Monitoring Cannot execute test APPENDICES 125 uoneJedo 19 10 e1n juon X9 Z S xipueddy L9 JoyeunByuoD X9 pue 1edojeA eg x9 Bulsp ueuM g xipueddy Appendix 6 External Dimensions The following figures show the external dimensions of the high speed counter module 1 LD62 LD62D LD62 CH1 oA CH2 6B DEC FUNC 45 DIN rail center 45 Unit mm 126 APPENDICES Memo Appendix 6 External Dimensions 127 INDEX 0to9 1 phase multiple of 1 005 59 1 phase multiple of 2 005 59 2 phase multiple of 1 0 0005 59 2 phase multiple of 2 000005 60 2 phase multiple of 4 000005 60 A Adding a module 020000000 00 53 Auto refresh lees 57 C CH1 CH2 Coincidence output point No 1 Un G4 Un G5 Un G36 Un G37 116 CH1 CH2 Coincidence output point No 2 Un G6 Un G7 Un G38 Un G39 116 CH1 CH2 Coincidence signal enable command Y2 YA usd Ba eG esc cen e des 114 CH1 CH2 Coincidence signal No 1 reset command Y0 Y8 s cues dui eme ste ea Eee 114 CH1 CH2 Coincidence signal No 2 reset command YT YE os ncc es tts ce RU au RARUS e nU 115 CH1 CH2 Count enable command Y4 YC 114 CH1 CH2
7. 1 1 1 Error Information 1 Checking errors in the system monitor mS Diagnostics gt System Monitor Monitor Status Main Block Main block An icon showing a moderate error is displayed if an overflow error is detected Operation to Selected Module Main block Slot cpu f 26CPU ST Block Information List Block Sot ter YO Network No Number Of begins Es Type Point Address Station No Module Occupied Power Series Supply Modules Occupations Block Module Block 16Point_ Intell 16Point 0030 L6EC END Cover lO Error Major Error A Minor Error Assignment Error ect Stop Monitor Print Product Information List System Error History Close 2 Error information that the high speed counter module detects Description and cause Where to check the error information Action Module status display in the system monitor window No display No overflow detected no error Module error Overflow detected Overflow error Overflow detection flag The following value is stored in CHO Overflow detection Un G8 Un G40 0 No overflow detected In linear counter an up pulse has been counted from the present value 2147483647 In linear counter a down pulse has been counted from the present value 2147483648 Module error status bit of the module informatio
8. 93 94 7 Program example when intelligent function module parameters are not used Initial setting X30 Y34 M10 i A t DMOV K2500 G0 U3 pp HipMOV K1000 G4 Mig c MEC DIS Oe ee al UA i DMOV K 5000 G20 1 UA 1 DMOV K5000 G22 SET M10 Start of counting X30 X40 X LSET Y34 lt Stop of counting gt X30 X44 M LRST Y34 lt Storing the present value gt X30 X41 U3 DMOV G2 DO Setting for external output of the counter value coincidence signal gt X30 X42 DELTAP DY30 Y32 Processing for counter value coincidence X30 Y32 X32 Y30 VI AF Y50 X32 X45 B SET Y30 X32 Y30 RST Y30 Preset execution by program X30 X43 E DELTAP DY31 H B Overflowdelection o A i oe X30 U3 MOV G8 D10 D10 K1 Y51 4 Set these values when using the ring counter 2 Set this value when using the linear counter CH1 Preset value is set CH1 Coincidence output point No 1 is set to 1000 J Initial setting completion flag is set The present value is stored in DO and D1 CH1 Coincidence signal No 1 reset command Y30 is set or reset The LED indicating a match is turned on CH1 Coincidence signal No 1 reset command Y30 is set CH1 Coincidence signal No 1 reset command Y30 is reset CH1 Preset command Y31 is set or reset J Ov
9. 1 Mitsubishi shall accept onerous product repairs for seven 7 years after production of the product is discontinued Discontinuation of production shall be notified with Mitsubishi Technical Bulletins etc 2 Product supply including repair parts is not available after production is discontinued Overseas service Overseas repairs shall be accepted by Mitsubishi s local overseas FA Center Note that the repair conditions at each FA Center may differ Exclusion of loss in opportunity and secondary loss from warranty liability Regardless of the gratis warranty term Mitsubishi shall not be liable for compensation of damages caused by any cause found not to be the responsibility of Mitsubishi loss in opportunity lost profits incurred to the user by Failures of Mitsubishi products special damages and secondary damages whether foreseeable or not compensation for accidents and compensation for damages to products other than Mitsubishi products replacement by the user maintenance of on site equipment start up test run and other tasks Changes in product specifications The specifications given in the catalogs manuals or technical documents are subject to change without prior notice 131 TRADEMARKS Microsoft Windows Windows Vista Windows NT Windows XP Windows Server Visio Excel PowerPoint Visual Basic Visual C and Access are either registered trademarks or trademarks of Microsoft Corporation in the United State
10. 45 6 2 4 Connectable encoders Encoders that can be connected to the high speed counter module are as follows 1 To the LD62 Open collector output type encoder CMOS level voltage output type encoder Check that the encoder output voltage meets the specifications of the LD62 2 To the LD62D Line driver output type encoder Check that the encoder output voltage meets the specifications of the LD62D Point The following encoder cannot be used with the high speed counter module TTL level voltage output type encoder 46 CHAPTER 6 INSTALLATION AND WIRING 6 3 Examples of Wiring Between the High Speed Counter Module and an Encoder 1 Example of wiring with an open collector output type encoder 24VDC roe a Shielded twisted pair cable ae EO nse f A GOUT 4 Phase A oar f ED Ay2av le E PhaseB 1 M Yee SO E eu ayc QN External power supply OV In parentheses terminal numbers of channel 2 are shown Point For the wiring between the RD62 and an encoder separate the power supply cables and the signal cables The following figures show its examples Example of correct wiring d twisted pair cable LD62 24v Ap MM OUT PhaseA ABCOM ae wi Shield External 24VDC j power supply 0V Oy Exam
11. lt SH 080890ENG 13JZ36 gt Specifications of the CPU modules power supply modules display unit branch module extension module SD memory cards and batteries information on how to establish a system maintenance and inspection and troubleshooting MELSEC L CPU Module User s Manual Function Explanation Program Fundamentals lt SH 080889ENG 13JZ35 gt Functions and devices of the CPU module and programming 2 Head module user s manual Manual name lt manual number model code gt Description MELSEC L CC Link IE Field Network Head Module User s Manual lt SH 080919ENG 13JZ48 gt Specifications procedures before operation system configuration installation wiring settings and troubleshooting of the head module 3 Operating manual Manual name lt manual number model code gt Description GX Works2 Version 1 Operating Manual Common lt SH 080779ENG 13JU63 gt System configuration parameter settings and online operations of GX Works2 which are common to Simple projects and Structured projects GX Developer Version 8 Operating Manual lt SH 080373E 13JU41 gt Operating methods of GX Developer such as programming printing monitoring and debugging Memo 10 CONTENTS SAFETY PRECAUTIONS 9 Ce saa ere gee kore fr rar a ca Oa CA ae Sp mo a ce 1 CONDITIONS ORUSEIEOR MHE PRODUCT a eee eet a ee eee renee ree yeeros 5 INTRODUCTION
12. Preset Function start 5 12 24VDC 2 to 5mA EIA Standard RS 422 A differential line driver can be connected External output Coincidence output Transistor sink type output 2 points channel 12 24VDC 0 5A point 2A common Internal current consumption 5VDC 0 36A Weight 0 13kg 22 CHAPTER 3 SPECIFICATIONS 4 The value can be configured in intelligent function module switch setting 2 The counting speed is affected by the pulse rise fall time The number of pulses that can be counted depending on the counting speed is as follows Note that the count may be incorrect when pulses with long rise fall time are counted Counting speed switch setting 500k 200k 100k 10k Rise fall time Both 1 and 2 phase inputs t 0 5us or less 500kPPS 200kPPS 100kPPS 10kPPS t 1 25us or less 200kPPS 200kPPS 100kPPS 10kPPS t 2 5us or less 100kPPS 100kPPS 10kPPS t 25us or less 10kPPS 10kPPS t 500us 500PPS aleae t t 3 2 1 Number of parameters that can be set Configure the parameters of the initial setting and the auto refresh of the high speed counter module within the number of parameters that can be set to the CPU module or head module including the number of parameters set for other intelligent function modules For the number of parameters that can be set to the CPU module and head module refer to the following MELSEC L CPU Module User s Manua
13. Ring counter function risa ccc CIR eh haeo d DA EAM Sau 65 8 3 Coincidence Output Function llle n 68 64 Preset Function cp Loita die PN ERU OEC pe Soa pu 73 8 5 Counter Function Selection sssusa cette teeta 75 8 5 1 Reading the counter function selection count value llle sss 76 8 50 24 COUDEOlTOE oce Ios as 8 tected etate Pid ctn ath raum aucto Re tt sas eL ee ara 77 8 6 Count Disable Function 0 0 00 00 mr 78 8 7 Latch Counter Function a eeneioe eire E E EE EE rh rs 79 8 8 Sampling Counter Function 00000 ee 80 8 9 Periodic Pulse Counter Function 0 0 eee ee 81 CHAPTER 9 DISPLAY UNIT 83 9 1 FOQtUneS snc Tr PEE 83 9 2 Menu Transition massor en dee PEEL oe lp UI ede eels 83 9 3 List of Setting Value Change Screens 0 0 cee eens 85 CHAPTER 10 PROGRAMMING 88 10 1 Using the Module in Standard System Configuration iilii lesse 88 10 2 Connecting the Module to the Head Module 0 0000 eee 96 10 3 Program Example with the Coincidence Detection Interrupt Function 106 CHAPTER 11 TROUBLESHOOTING 108 11 4 Error Information llle mre rn 108 11 2 The Module Does Not Start Counting Operation 0 0 0 ccc eee 109 11 3 The Module Does Not Correctly Count Pulses illii 109 11 4 Coincidence Output Function Does Not Correctly Operate 0 0000 e eee ee 110 11 5 Coincidence Detection
14. CHO Coincidence output point No 2 Un G6 Un G7 Un G38 Un G39 sjeuBis yndu y xipueddy sjeuBls O I Jo sirejeqg xipueddy 113 Appendix 1 2 Output signals 1 CHO Coincidence signal No 1 reset command YO Y8 This signal is turned on to reset CHO Counter value coincidence point No 1 X2 X9 a Operating timing The command is valid as long as the signal is on 2 CHO Preset command Y1 Y9 This signal is turned on to perform the preset function a Operating timing The command is valid on the rising edge from off to on of the signal 3 CHO Coincidence signal enable command Y2 YA This signal is turned on to output the status of CHO Counter value coincidence point No 1 X2 X9 and CHO Counter value coincidence point No 2 X6 XD to the external terminal a Operating timing The command is valid as long as the signal is on 4 CHO Down count command Y3 YB This signal is turned on to count down pulses in 1 phase pulse input mode The module counts down pulses when the phase B pulse input or this signal is turned on For counting up check that the phase B pulse input and this signal are off a Operating timing The command is valid as long as the signal is on 5 CHO Count enable command Y4 YC This signal is turned on to count pulses a Operating timing The command is valid as long as the signal is on 6 CHO External preset detection reset command Y5 Y
15. Latch count value D2 Sampling count value Periodic pulse count previous value Periodic pulse count present value Sampling periodic counter flag Overflow detection Transfer Direction Intelligent Function Module gt PLC Buffer Memory Address 8 8h Transfer Word Counts 1 Device Comment 4 counter overflow occurrence status is stored when the counter format is linear counter Item Description Setting value Present value Enter the device where the present value is stored DO Latch count value Enter the device where the latch count value is stored D2 Enter the device where the sampling count value is stored when using the Sampling count value i D4 sampling counter function Periodic pulse count previous Enter the device where the previous periodic pulse count value is stored D6 value when using the periodic pulse counter function Periodic pulse count present Enter the device where the present periodic pulse count value is stored D8 value when using the periodic pulse counter function Sampling periodic counter eee Not used flag Enter the device where the overflow detection result is stored when usin Overflow detection 3 D10 the linear counter function c Writing intelligent function module parameters Write the set parameters to the CPU module and reset the CPU module or power off and then on the programmable controller Online gt Write to PLC
16. SS CHO Count enable command ON Y4 YC OFF i lu CHLI Coincidence signal enable ON command Y2 YA OFF m I RR RRRRRUL CH Un G4 Un G5 Un G36 Un 37 CH point No 1 X3 XA CH point No 1 X2 X9 CH command YO Y8 CH X1 O Coincidence output point No 1 O Counter value small O Counter value coincidence Coincidence signal No 1 reset O Counter value large point No 1 X8 OFF r CHO Present value 0 14 2 to 98 99 100 101 102 103 Un G2 Un G3 Un G34 Un X35 No Description 1 Write a coincidence output point setting value to CHO Coincidence output point No 1 Un G4 Un G5 Un G36 Un G37 of the high speed counter module in 32 bit signed binary 2 When the count value matches with the coincidence output point setting value CHO Counter value small point No 1 X3 XA turns off and CHO Counter value coincidence point No 1 X2 X9 turns on Turn on CHO Coincidence signal No 1 reset command YO Y8 to reset CHO Counter value coincidence point 3 No 1 X2 X9 If CHO Counter value coincidence point No 1 X2 X9 remains on the next coincidence signal cannot be output 4 When the counter value exceeds the coincidence output point setting value CHO Counter value large point No 1 X1 X8 turns on CHAPTER 8 FUNCTIONS Point Perform the following before turning on CHO Coincidence signal enable command Y2
17. Y30 to Y3F signal X1000 Module READY CH1 Counter value coincidence point X1002 No 1 CH1 Coincidence signal No 1 reset Y1000 command LD62 X Y1000 to X Y100F Y1001 CH1 Preset command Y1002 CH1 Coincidence signal enable command Y1004 CH1 Count enable command CH1 Counter function selection start Y1006 command SB49 Data link status of the own station SWBO0 0 Data link status of each station station No 1 NO Nesting station No 1 MO Communication ready flag station No 1 T1 to T5 Interlock between the own and other stations 97 e npojw peeH eui oi ejnpoy 2y Bunoeuuo Z O 5 Setting parameters for the master station 1 Create a project on GX Works2 Select QCPU Q mode for PLC Series and Q10UDH for PLC Type XC Project gt New New Project E3 RN QCPU Q mode 2 Open the network parameter setting window and set parameters as shown below Project window gt gt Parameter gt Network Parameter gt gt Ethernet CC IE MELSECNET 1 Network Parameter Setting the Number of MELSECNET CC IE Ethernet Cards cures esas eee e i i ee i d Open the Network Configuration Setting window and set parameters as shown below D Project window gt gt Parameter gt Network Parameter gt Ethernet CC IE MELSECNET gt button 1inteligent Device Station 0000 ooFF 256 0000 ODFF 98 CHAPTER 10 PROGRAMMING 4 Open the Refresh Parameter window
18. YA Set different values between CHO Coincidence output point No 1 Un G4 Un G5 Un G36 Un G37 and CHO Present value Un G2 Un G3 Un G34 Un G35 by any of the following ways Changing the coincidence output point setting Changing the present value using the preset function Changing the present value by inputting a pulse Turn off on and then off CHO Coincidence signal No 1 reset command YO Y8 When CHLI Coincidence signal enable command Y2 YA is turned on before counting operation or while the coincidence output point setting value matches with the present value coincidence output is performed CHO Counter value coincidence point No 1 X2 X9 is on immediately after the CPU module is powered on or is reset because both CHO Present value Un G2 Un G3 Un G34 Un G35 and CHO Coincidence output point No 1 Un G4 Un G5 Un G36 Un G37 are set to 0 2 Setting method Set values for Coincidence output point No 1 and Coincidence output point No 2 Project window Intelligent Function Module gt Model name gt gt Parameter V 0010 LD62 Parameter mA Display Filter Display All Item CHI CH2 H Basic setting Set the processing present value Preset value 0 0 Coincidence output point No 1 1000 1000 Coincidence output point No 2 2000 2000 Ring counter upper limit o i Ring counter lower limit o Item Setting range Coincidence output point No 1
19. 2 o 2 a x A g T 2 I 2 o E o Ww a o D 2 n D 3 o o m 2 a o n D 3 o o o 2 E n 119 Appendix 5 When Using GX Developer and GX Configurator CT This chapter describes how to operate GX Developer and GX Configurator CT 1 Applicable software versions For the applicable software versions refer to the following MELSEC L CPU Module User s Manual Hardware Design Maintenance and Inspection Appendix 5 1 GX Developer operation When using GX Developer configure settings in the following screens Screen Application Reference I O assignment Set the type and the I O signal range of the module to be connected Page 120 Appendix 5 1 1 Intelligent function module Set an output mode if a CPU stop error occurs and CPU module operation Page 121 Appendix 5 1 2 detailed setting mode if a high speed counter module error is detected Switch setting for I O and Set a pulse input mode counting speed and counter type Page 122 Appendix 5 1 3 intelligent function module 1 I O assignment Open the I O assignment tab D Parameter 2 PLC parameter gt I O assignment L parameter setting PLE name PLC system PLC file PLCRAS 1 PLCRAS 2 Device Program Boot file SFC 140 assignment Buitin Ethernet port Built in 1 0 function setting 1 0 Assignment Switch setting Detaile
20. 2 to 5mA zy A15 A09 Function start input 5V a A15 A09 Off 1V or less 0 1mA or less Response Offto on On to off B15 B09 B15 BO9 FUNCCOM i time 0 5ms or less 1ms or less 44 CHAPTER 6 INSTALLATION AND WIRING Terminal Operating Input voltage y o panes number current COMM Internal circuit Signal name Operation guaranteed classification Salue guaranteed CH1 CH2 value EQU1 Operating voltage 10 2 to 30V A06 A05 coincidence output Maximum load current 0 5A point A06 A05 point No 1 2A common 2 Maximum voltage drop at on 1 5V EQU2 Response time dust 806805 B06 BOS coincidence output Off to on 0 1ms or less utpu P point No 2 On to off 0 1ms or less rated load resistive lt B02 B01 load B02 B01 12 24V Input voltage 10 2 to 30V A02 A01 Current consumption 43mA A02 A01 OV TYP 24VDC and all points on common Common to all channels 4 The terminals A03 A04 A07 A08 B03 B04 B07 and B08 are not assigned 2 Coincidence output derating on ratio is as follows 100 90 80 70 60 50 40 30 ON ratio 0 10 20 30 40 5055 Ambient temperature c BuulM 779 SODIASP EU19 X9 YIIM eoenejul e z 9
21. 49 Connect an external device to the high speed counter module J Section 6 4 Adding the model name of the intelligent function module L gt Page 53 Section 7 1 Add the model name of the high speed counter module Switch setting LF Page 54 Section 7 2 Set a pulse input mode counting speed and counter type Intelligent function module detailed setting Set an output mode if a CPU stop error occurs and CPU module L5 Page 55 Section 7 3 operation mode if a high speed counter module error is detected NO Use intelligent function module parameters Parameter setting and auto refresh setting Page 56 Section 7 4 Page 57 Section 7 5 Configure the parameter and auto refresh settings Programming and debugging Create and check a program 3 Page 88 CHAPTER 10 29 Memo 30 CHAPTER 5 SYSTEM CONFIGURATION CHAPTER 5 SYSTEM CONFIGURATION This chapter describes the overall configuration number of connectable modules and compatible software versions of the high speed counter module 5 1 Overall Configuration The following figures show examples of system configuration using the high speed counter module 1 When connected to the CPU module Display unit optional Power supply module E CPU module High speed counter module END cover e e uoneinByuod J amp J9AQ S Co
22. A voltage is being applied to the function start input terminal 6 DIN rail hook A hook used to mount the module to a DIN rail 7 nien id jua A connector for I O signal cables of external devices 7 3 Page 41 Section 6 2 3 devices 40 pins 8 Serial number display Displays the serial number printed on the rating plate 18 CHAPTER 2 PART NAMES Memo 19 CHAPTER 3 SPECIFICATIONS This chapter describes general specifications performance specifications functions I O signals and buffer memory areas 3 1 General Specifications For the general specifications of the high speed counter module refer to the following Safety Guidelines provided with the CPU module or head module 20 3 2 Performance Specifications CHAPTER 3 SPECIFICATIONS The following table describes the performance specifications of the high speed counter module 1 LD62 DC input sink output type Item Specifications Counting speed switch setting 200k 100k to 200kPPS 100k 10k to 100kPPS 10k 10kPPS or less Number of occupied l O points 16 points I O assignment Intelligent 16 points Number of channels 2 channels 1 phase input 1 multiple 2 multiples 2 phase input 1 multiple 2 multiples 4 multiples Phase CW CCW input Count input signal Signal level 5 12 24 VDC 2 to 5mA oA 9B Counting speed 2 200kPPS 100kPPS 10kPPS maximum Counting range 32
23. Detailed Setting button Assigning the 1 0 address is not necessary as the CPU does it automatically Leaving this setting blank wil not cause an error to occur Base Model Name Power Model Name Extension Cable T sots EI Read PLC Data Pork Wn Wen Preven mE 3 Select Clear or Hold for Error Time Output Intelligent Function Module Detailed Setting Mode PLC Operation Error Time 1jO Response Type Model Name output Mode EE z 4 Select Stop or Continue for PLC Operation Built in 1 0 Function pem Mode at H W Error 5 Clickthe End button to complete the settings of Error Time Output Mode and PLC Operation Mode at H W Error ho o fas fo en a fos o alafelalalalala 5 Item Description Setting value Remarks Clear If a CPU stop error occurs all external outputs of coincidence Dumes pejrejeg ainpoyy uonounJ jue8ieiu e 7 signals turn off Hold If a CPU stop error occurs external outputs of coincidence signals are held in the status before the CPU module stops Error Time Output Select whether to clear or hold module Clear default Mode output if a CPU stop error occurs Hold Stop If a high speed counter module Select whether to stop or continue the error is detected the CPU module CPU module operation if a high speed stops
24. Interrupt Does Not Occur n s saasaa cee 110 11 6 Present Value Cannot be Replaced with the Preset Value 0 000000 cee eee ee 110 11 7 Pulse Waveform Shaping Method 0 0 00 111 APPENDICES 112 Appendix 1 Details of I O Signals 0 00 00 teens 112 11 Appendix 1 1 Input signals ice eagles e ehe 9 Rae dena I erre ae 112 Appendix 1 2 Output signals 2 0 0 0 RR ee 114 Appendix 2 Details of Buffer Memory Areas 00000 cece teens 116 Appendix 3 Checking Serial Number and Function Version 000000 ee sels 118 Appendix 4 Differences Between L Series and Q Series Modules 2 20000000 119 Appendix 5 When Using GX Developer and GX Configurator CT lisi eese 120 Appendix 5 1 GX Developer operation 00 0c 120 Appendix 5 2 GX Configurator CT operation lisse ee 123 Appendix 6 External Dimensions sasaaa saaran nrnna en 126 INDEX 128 REVISIONS te cR ru Geile We Mee bay bee eae el ee eae Ga ie ER 130 WARRANTY 33 5 o23814 bei beh geld ed beats BIS MEUS bee bot eed bed 131 TRADEMARKS RESnzxerGlemubebilegusepiakcebeqgXedu gaius ee 132 12 is used for Screen names and items 1 shows operating procedures XC shows mouse operations is used for items in the menu bar and the project window shows setting or operating examples LL shows reference manuals L7 shows reference pages MANUAL PAGE
25. Sampling count count current value count value previous value value CH1 Un G2 Un G12 Un G14 Un G16 Un G18 Un G3 Un G13 Un G15 Un G17 Un G19 Buffer memory address CH2 Un G34 Un G44 Un G46 Un G48 Un G50 Un G35 Un G45 Un G47 Un G49 Un G51 The present value and the counter function selection count values are stored in the buffer memory areas in 32 bit signed binary The buffer memory data is automatically updated by counting operation The latest count value can be read from the buffer memory Point Read the present value and counter function selection count values by two words at a time If the values are read by one word at a time the lower word data and the higher word data will be inconsistent when the count value is updated during reading and an incorrect count value may be read Program example DO Inappropriate program example The present value may change while CH1 Present value L UnXG2 and CH1 Present value H Un G3 are read xo UO E DMOV G2 UO o MOV G2 DO UO G3 D1 MOV Although the storage addresses differ between the latch count value and periodic pulse count current value the stored values are always the same updated simultaneously Therefore when the latch counter function or periodic pulse counter function is executed the latch count value and periodic pulse count current value do not hold their previous values 76 CHA
26. User defined Linear Counter 1 Leave unused channels with the default values 4 Initial setting Contents Item CH1 CH2 Preset value 2500 0 Coincidence output point No 1 1000 0 Coincidence output point No 2 0 0 Ring counter upper limit 5000 0 Ring counter lower limit 5000 0 Counter function selection User defined Count Disabling Function Sampling time setting 10000ms 0 Periodic time setting 4 5000ms 0 1 Leave unused channels with the default values 2 Set these items when using the ring counter function 3 Set this item when using the sampling counter function 4 Set this item when using the periodic pulse counter function 89 uogeunBijuo uejs g pJuepuejs u einpoy ey Burst LOL 90 5 User devices Device Description DO and D1 Present value D2 and D3 Latch count value D4 and D5 Sampling count value D6 and D7 Periodic pulse count previous value D8 and D9 Periodic pulse count present value D10 Overflow status storage M10 Initial setting completion signal X40 Count start signal X41 Present value read signal X42 Coincidence output data setting signal X43 Preset command signal X44 Count stop signal X45 Coincidence LED clear signal X46 Counter function start signal X47 Counter function stop signal i M X48 Latch count data read signal X49 Latch execution signal X4A Sampling coun
27. and set parameters as shown below X Project window gt gt Parameter Network Parameter gt Ethernet CC IE MELSECNET gt mE button Network Parameter CC IE Field Refresh Parameter Module No 1 o00 oir 0000 OFF 0000 QDFF 000 oorr 0000 OFF LLL 5 write the set parameters to the CPU module on the master station and reset the CPU module or power off and then on the programmable controller Online gt Write to PLC Or powering off on the programmble controller e npojy peaH eui 0 ejnpoy eu Bunoeuuo z OL 99 6 Setting parameters for the intelligent device station 1 Create a project on GX Works2 Select LCPU for PLC Series and LJ72GF15 T2 for PLC Type XC Project gt New New Project Project Type Dmeme Use Label Language ham 7 2 Open the PLC parameter setting window and set parameters as shown below X Project window gt gt Parameter gt PLC Parameter gt Communication Head Setting CC Link IE Field Communication Head Parameter Setting 100 CHAPTER 10 PROGRAMMING 3 Add the high speed counter module LD62 to the GX Works2 project D Project window gt gt Intelligent Function Module Right click gt New Module New Module r Module Selection Module Type Counter Module v Module Name m Mount Position Base No Mounted Slot No 0 zi
28. bit signed binary 2147483648 to 2147483647 Counter Type UP DOWN preset counter Ring counter functions Minimum count pulse width duty ratio 5096 pe BSS unit us Minimum phase difference in 2 phase input 1 25us 10 KELE Unit us Minimum phase difference in 2 phase input 2 5us 100 ELES uni us Minimum phase difference in 2 phase input 25us Coincidence output Comparison range 32 bit signed binary Comparison result Setting value Count value Setting value Count value Setting value Count value External input Preset Function start 5 12 24VDC 2 to 5mA External output Coincidence output Transistor sink type output 2 points channel 12 24VDC 0 5A point 2A common Internal current consumption 5VDC 0 31A Weight 0 13kg 21 suoneoyioeds eoueuuoped z 1 The value can be configured in intelligent function module switch setting 2 The counting speed is affected by the pulse rise fall time The number of pulses that can be counted depending on the counting speed is as follows Note that the count may be incorrect when pulses with long rise fall time are counted Counting speed switch 200k 100k 10k setting Rise fall time Both 1 and 2 phase inputs t 1 25us or less 200kPPS 100kPPS 10kPPS t 2 5us or less 100kPPS 100kPPS 10kPPS t 25us or less 10kPPS 10kPPS t 500us 500PP
29. counter lower limit value Ring counter upper limit uonouni J9junoo buly z z 8 ed Jejuno Bunoeles 7g value When this condition is established the count range will be the full range 2147483648 to 2147483647 which can be expressed in 32 bit signed binary regardless of the present value Point While CHO Count enable command Y4 YC is on even if a value is written to CHO Ring counter lower limit Un G20 Un G21 Un G52 Un G53 or CHO Ring counter upper limit Un G22 Un G23 Un G54 Un G55 the stored value does not change Turn off CHO Count enable command Y4 YC before changing the ring counter upper lower limit value Turn off CHO Count enable command Y4 YC before changing the count range by the preset function 67 8 3 68 Coincidence Output Function This function compares the present counter value with the preset coincidence output point setting value and outputs a signal when they match Up to two coincidence outputs can be set for each channel When using external output of the coincidence signal turn on CHO Coincidence signal enable command Y2 YA beforehand 1 Operation of the coincidence output The I O numbers X Y and the buffer memory addresses in 1 are for coincidence output point No 1 For those of coincidence output point No 2 refer to the following List of I O Signals Page 26 Section 3 4 List of Buffer Memory Areas Page 27 Section 3 5
30. i Y4 YC OFF i 2 3 17 9 ON CHLI Counter function selection i 1 start command Y6 YE OFF J l E i 4 5 ON bod i Counter function selection start tot command function start input OFF d Pulses actually input 2 1 1 1 1 D 1 Ue p odi AE i i V E i i 2 i EN QE M a 2 l di CHO Present value T AN Un G2 Un G3 Un G34 Un G35 i uer d jen D ue j i i Count value stored in EM 2 i CHO Present value i 0 i oe i i Un G2 Un G3 Un G34 Un G35 Count Count Count stop stop Stop i Count stop i a c n n r No Description 1 Counting starts when CHO Count enable command Y4 YC is turned on 2 Counting stops when CHO Counter function selection start command Y6 YE is turned on 3 Counting restarts when CHO Counter function selection start command Y6 YE is turned off 4 Counting stops when the counter function selection start command function start input is turned on 5 Counting restarts when the counter function selection start command function start input is turned off 6 Counting stops when CHO Count enable command Y4 YC is turned off Counting stops regardless of the on off status of CHO Counter function selection start command Y6 YE because 7 CHO Count enable command Y4 YC is off Even though CHO Count enable command Y4 YC is turned on counting remains stopped because CHO Counter 8 f
31. ites ra ere pr DOR HUP cee ERO Aa EDO cr TRUE Cr COME CUR S E Fe ULCUS MUR 6 COMPLIANCE WITH EMC AND LOW VOLTAGE DIRECTIVES sssesel elles 7 REGEVANTRMANUWAIES ice mate ak SPA TE E ome ed e RUM E SE UM NE EC CRISP EM ener oe Meee ae 8 MANUARPAGE ORGANIZATION eC CT Tr Ecce pense e er 13 MERMS PA ETE met A AIN RI EP eae ESI B mr UD UP dede o eh ca e S Our tone EI UB LR MS ee ARE EE 14 BAGKINGAEISIHESS fo credo erm tert mede reed Le de MUS recs Sp ete M rc UM Ri Mrs 14 CHAPTER 1 HIGH SPEED COUNTER MODULE 15 11 Application det ttcta e US E peruenerit ceti eed eee 15 127 Reatures imeem sith CP e IpRRePeIls ee apie pe PB CM 16 CHAPTER 2 PART NAMES 18 CHAPTER 3 SPECIFICATIONS 20 39 1 General Specifications sioneseseisgleisiduu ibd eres eX ET Aa a iw db EFE 20 3 2 Performance Specifications liiillleeeee hn 21 3 2 1 Number of parameters that can beset liliis 23 3 3 Function LisE emus ez be RIO Se REG cl Ne RUE RE 25 344 alisto NO Signals ed rre PE REIN IUE a IER SRM eese Xe 26 3 5 List of Buffer Memory Areas 1 00 hh 27 CHAPTER 4 PROCEDURES BEFORE OPERATION 29 CHAPTER 5 SYSTEM CONFIGURATION 31 5 1 Overall Configuration lleleeeeleee m m eens 31 52 Applicable System ois cokes e at eden e ea sch PER b pate LR MUR E RR M au andes 33 5 2 1 Restrictions when the high speed counter module is connected to the head module 33 CHAPTER 6 INSTALLATION AND WIRING 34 6 1 Installation
32. linear counter is used MCR NO END 104 CHAPTER 10 PROGRAMMING To use each function insert the following program into the position A in the program above Using the count disable function X1000 X26 i Nj SET Y1006 X27 RST Y1006 Using the latch counter function x1000 x20 iT SET Y1006 Y1006 X29 K10 h T3 RST Y1006 Using the sampling counter function X1000 X2B SET Y1006 Y1006 X2B K10 ME T4 T4 RST _ Y1006 Using the periodic pulse counter function X1000 X2D SET Y1006 Y1006 X2D K10 ME T5 T5 RST Y1006 e npoj peeH eui 0 ejnpoiw eu Bunoeuuo Z O 105 10 3 Program Example with the Coincidence Detection Interrupt Function This section describes a program example to start an interrupt program at coincidence detection in CH1 Coincidence detection point No 1 1 System configuration The system configuration is the same as the following System configuration Page 88 Section 10 1 1 2 Programming condition a Interrupt pointer setting Project window gt gt Parameter PLC Parameter gt PLC System gt Intelligent Function Module Setting gt Interrupt Pointer Setting button Intelligent Function Module Interrupt Pointer Setting Intelligent Module Side Interrupt Pointer Interrupt Pointer PEIN Start No Count Start SI
33. signed binary The number of channels is two 2 Switching the maximum counting speed For the LD62D 500k 200k 100k 10k can be switched and for the LD62 200k 100k 10k can be switched thereby achieving an error free count even if a pulse has a gradual rising falling edge 3 Allowing selection of pulse input The pulse input mode can be selected from the following 1 phase multiple of 1 1 phase multiple of 2 2 phase multiple of 1 2 phase multiple of 2 2 phase multiple of 4 and CW CCW 4 Allowing selection of counter types Either one of the following counter types can be selected a Linear counter type This type is capable of counting pulses ranging from 2147483648 to 2147483647 and detects an overflow if this range is exceeded b Ring counter type This type counts pulses repeatedly under the range of the ring counter upper limit value and the ring counter lower limit value 5 Permitting coincidence output Outputting on off signals or initiating an interrupt program is possible at the timing when a coincidence output point which is set arbitrarily beforehand matches the current value in comparison with each other 6 Allowing selection from the four counter functions One of the following functions can be selected for use a Count disable function This function makes the pulse count stop by inputting a signal while CHO Count enable command Y4 YC is on b Latch counter function This function latches th
34. the auto refresh target device st 0010 LD62 Auto Refresh Display Filter Display All j Present value Latch count value Sampling count value Periodic pulse count previous value 7 Periodic pulse count present value Sampling periodic counter Flag Overflow detection The data of the buffer memory is transmitted to the specified device yseyoy Ony G7 57 CHAPTER 8 Functions This chapter describes the details of the functions that can be achieved through the high speed counter module and their setting methods For details on I O signals and buffer memory refer to the following Details of I O signals 7 s Page 112 Appendix 1 e Details of Buffer Memory Areas 7 s Page 116 Appendix 2 58 8 1 CHAPTER 8 FUNCTIONS Pulse Input Modes and Counting Methods This section describes the pulse input modes and the counting methods 8 1 1 Types of pulse input modes The following six pulse input modes are prepared 1 phase pulse input 1 multiple 2 multiples CW CCW pulse input and 2 phase pulse input 1 multiple 2 multiples 4 multiples 1 Pulse input modes and count timing Pulse input mode Count timing 1 phase multiple of 1 At up count on i B and CHO Down count command Y3 YB Counts on the rising edge 7 of oA 9B and CHO Down count command Y3 YB are off At down count oA B or CHO Down count command Y3 YB Counts on
35. the falling edge V of oA 9B or CHO Down count command Y3 YB is on 1 phase multiple of 2 At up count oA q B and CHO Down count command Y3 YB Counts on the rising edge T and the falling edge 4 of oA 9B and CHO Down count command Y3 YB are off At down count oA B or CHO Down L count command Y3 YB Counts on the rising edge and the falling edge JL of oA 9B or CHO Down count command Y3 YB is on oa f 1 Counts on the rising edge 7 of oA At t pii B is off B CW CCW pA oA is off At down count Counts on the rising edge 1 of B eB 11 oa f1 1 2 phase multiple of 1 At up count B Counts on the rising edge T of oA while B is off At down count oA B Counts on the falling edge 4 of pA while B is off 99 sepoui 1ndui esjnd jo sed yg spouje N Bununo pue sepoy ndul esing 4 8 Pulse input mode Count timing dA f f Counts on the rising edge T of oA while B is off At up count Counts on the falling edge 4 of pA while B is on B 2 phase multiple of 2 pA i Counts on the rising edge T of A while B is on Counts on the falling edge 4 of pA while B is off B At down count Counts on the rising edge T of pA while B is off oA f 1 Counts on the falling edge 1 of
36. the program the previous value and present value may match If the previous value and present value match read the values again Page 95 Section 10 1 7 b CHAPTER 9 DISPLAY UNIT CHAPTER 9 pisPLaY UNIT This chapter describes display unit functions that can be used for the high speed counter module For details on operations functions and menu structure of the display unit refer to the following MELSEC L CPU Module User s Manual Function Explanation Program Fundamentals 9 i 1 Features The display unit is a liquid crystal display that can be connected to the CPU module Connecting it to the CPU module allows checking the system status and changing the system setting value even without using software packages 9 2 Menu Transition 1 Menu structure The following diagram shows the MOD MON TEST menu and the MOD SETTINGS menu structures m CPU MON TEST m CPU SETTINGS m MOD MON TEST 1 SPECIFY I O No 7 BUF MEM MON TES MODULE LIST m MOD SETTINGS _ SPECIFY I O No L INIT CHANGE CH1 PRESET VALUE CH2 COINCIDENCE NO1 MODULE LIST m COINCIDENCE NO2 USER MESSAGE I RING COUNT MAX m RING COUNT MIN OPTIONS m COUNTER FUNC SAMPLING PERIOD seunjeeJ 6 83 2 Screen transition to the initial setting change screen The following figure shows screen transitio
37. value lt Present value lt Ring counter upper limit value a When the count range is Ring counter lower limit value lt Present value lt Ring counter upper limit value normally used For up count When the present value reaches the ring counter upper limit value the ring counter lower limit value is automatically stored in CHO Present value Un G2 Un G3 Un G34 Un G35 For down count Even when the present value reaches the ring counter lower limit value the ring counter lower limit value is held as the lower limit and Ring counter upper limit value 1 is stored in CHO Present value Un G2 Un G3 Un G34 Un G35 at the next count down pulse input Both in up count and in down count the ring counter upper limit value is not stored in CHO Present value Un G2 Un G3 Un G34 Un G35 For example when the count enable command is valid while the ring counter lower limit value is 0 the ring counter upper limit value is 2000 and the present value is 500 the count range and the present value will change as follows Ring counter Ring counter lower limit value upper limit value 0 Present value 2000 500 2147483648 2147483647 C NER Ring counter upper limit value Ring counter Present value lower limit value 7 Y 2000 7 500 501 to 1998 1999 0 1 P to 498 499 The ring counter upper limit value 2000 is not stored in CH OPresent value Un G2 Un G3 Un G34 Un G35 CHAPTER 8 FUNCTIONS b
38. voltage not applied to the function start input terminal If the count disable function has been selected turn off CHO Counter function selection start command Y6 YE or the function start input terminal Is there an overflow error Execute a preset to clear the overflow error 11 3 The Module Does Not Correctly Count Pulses Check item Action Is the external wiring for A and B correct Check the external wiring and make necessary corrections Even in 1 phase input connecting an ABCOM terminal to a pulse signal can result in an incorrect count Reconnect the ABCOM terminal to the external power supply 5V 12V 24V or the GND terminal 7 Page 47 Section 6 3 Page 49 Section 6 4 Is the maximum speed of the input pulses within the counting speed range specified in the intelligent function module switch setting Correct the counting speed configured in the intelligent function module switch setting according to the maximum speed of the input pulses Does the input pulse waveform meet the performance specifications Observe and check the pulse waveform with a synchroscope If the input pulse does not meet the performance specifications input pulses which meet the performance specifications Are the count value data handled in 32 bit signed binary in the program Correct the program so that the count value data are handled in 32 bit signed binary Are shielded twisted pair cabl
39. voltage of 12VDC LD62 Controller 24V E i 7 Preset E CTRLCOM A15 A08 i Function start SM Shielded twisted pair cable quoc racemes Tm NOUR i i a a nene 3 pe amp Shield E Q l T aj H 12VDC o In parentheses terminal numbers of channel 2 are shown m X w LD62D Controller 3 24V 7 7 o Preset 3 9 Shielded twisted pair cable OUT s SS T a ae NT i Q pa lui NR w zyj A bes Shield OS 3 PRSTCOM E Q o 2 E sj Function start 3 Shielded twisted pair cable oyt m Fj Ea 4 4 A E kw DTE RUNGNA 12V D 3st A Shield o E amp L 2 T 3 2 v n 1 i 12VDC In parentheses terminal numbers of channel 2 are shown 49 2 When the controller source load type has a voltage of 5VDC LD62 Controller Preset Shielded twisted pair cable 5VDC In parentheses terminal numbers of channel 2 are shown LD62D Controller Preset 5s 4 ee Ueto ae Function start Shielded twisted pair cable 5VDC In parentheses terminal numbers of channel 2 are shown 50 CHAPTER 6 INSTALLATION AND WIRING 3 When the controller is a line driver type LD62D A18 A1
40. wW1004 W1006 Periodic pulse count present value w1008 Sampling periodic counter Flag Overflow detection wW1010 The data of the buffer memory is transmitted to the specified device Item Description Setting value Present value Enter the device where the present value is stored W1000 Latch count value Enter the device where the latch count value is stored W1002 Enter the device where the sampling count value is stored when using the Sampling count value f iio 9 W1004 sampling counter function Periodic pulse count previous Enter the device where the previous periodic pulse count value is stored W1006 value when using the periodic pulse counter function Periodic pulse count present Enter the device where the present periodic pulse count value is stored W 1008 value when using the periodic pulse counter function Sampling periodic counter Re Not used flag Enter the device where the overflow detection result is stored when usin Overflow detection l 9 w1010 the linear counter function 7 Write the set parameters to the head module and reset the head module or power off and then on the programmable controller W Online gt Write to PLC m ay Or powering off on the programmble controller 103 e npojy peeH eui 0 ainpoyy au Bunoeuuo Z O 7 Program example The following figure shows a program example Write the program to the CPU module on th
41. 2 B18 B12 A17 A11 PRSTCOM B17 B11 Shield A16 A10 Function start 12V E B16 B10 A15 A09 B15 B09 Shield In parentheses terminal numbers of channel 2 are shown SjeuiuJe 1nduj JeuJ9 x3 pue Jej ojuo e uee eg BuulM Jo sejduex3 r9 51 6 5 Examples of Wiring with External Output Terminals To use the coincidence output terminal EQU an external power supply of 10 2 to 30VDC is required to drive the internal photocoupler The following figure shows the wiring example 1 For the high speed counter module sink output type LD62 LD62D EQU1 A06 A05 d Y gt m ad EQU2 Fuse Load x 12 24V Ki B02 B01 oV T L 102to A02 A01 BONDE Fuse Load In parentheses terminal numbers of channel 2 are shown 1 Install a fuse for each external terminal to prevent the external devices or module from being burnt out or damaged if a load shorts in an output circuit 52 CHAPTER 7 SETTINGS CHAPTER 7 SETTINGS This chapter describes how to configure settings of the high speed counter module Point 0 After writing the contents of the new module parameter settings and auto refresh settings into the CPU module reset the CPU module and switch its status as STOP gt RUN gt STOP gt RUN or turn off and on the
42. 2147483648 to 2147483647 Coincidence output point No 2 3 Output status setting at a CPU stop error If a CPU stop error occurs the output status clear hold of external output signals can be set The output status setting can be set in the intelligent function module detailed setting uonouny nd no eoueprioulo g a Setting method Set Clear or Hold for Error Time Output Mode Project window gt gt Parameter gt PLC Parameter gt I O Assignment gt Detailed Setting button Intelligent Function Module Detailed Setting PLC Operation i Error Time I O Response Loc eee een NENNEN e Li fc Buit intoFunction 0 v v v L2 otto intelligent fez EM 5 0 SS a ce o B 69 4 Coincidence detection interrupt function This function outputs an interrupt request to the CPU module and starts an interrupt program when the present counter value matches with the preset coincidence output point setting value a Interrupt factors SI One intelligent function module can have interrupt factors SI up to 16 points The high speed counter module has interrupt factors of 4 points for each coincidence output point as shown below SI No Interrupt factor 0 Channel 1 Coincidence detection of coincidence output point No 1 4 Channel 1 Coincidence detection of coincidence output point No 2 2 Channel 2 Coincidence detectio
43. 48 to 2147483647 32 bit signed binary 2 o 2 2 x N je pa 2 o o S W S D E 3 o 3 lt gt Ea e t o 117 Appendix 3 Checking Serial Number and Function Version For how to check the serial number and the function version refer to the following MELSEC L CPU Module User s Manual Hardware Design Maintenance and Inspection MELSEC L CC Link IE Field Network Head Module User s Manual 118 APPENDICES Appendix 4 Differences Between L Series and Q Series Modules The following table describes the differences between the L series modules and the Q series modules in specifications Item LD62 LD62D QD62 QD62D Coincidence output derating on ratio Limited No limitations Coincidence output external auxiliary 43mA TYP 24VDC and all points on common 8mA TYP 24VDC point power supply and current consumption Not supported Supported Blown fuse detection No FUSE LED is equipped The FUSE LED is equipped XF Use prohibited XF Blown fuse detection flag 1 Coincidence output derating on ratio has been set to the high speed counter module Page 41 Section 6 2 3 2 The high speed counter module does not have a built in fuse for blown fuse detection Install a fuse for each external terminal to prevent the external devices or module from being burnt out or damaged if a load shorts 7 Page 35 Section 6 2 1
44. 63T T005 H N www fcl fujitsu com en For how to wire the connector and how to use the crimping tool contact the manufacturer 39 SODIABP eulajXo JO SJojoeuuo Z Z 9 BuulM 779 40 3 Wiring method For wiring method refer to the following MELSEC L CPU Module User s Manual Hardware Design Maintenance and Inspection 4 Connection procedure T Plugging the connector Plug the connector into the slot on the high speed Connector screw counter module 2 Tightening the connector screws Tighten the two connector screws M2 6 1 Removing the connector Loosen the two connector screws and pull out the connector from the module CHAPTER 6 INSTALLATION AND WIRING 6 2 3 Interface with external devices This section lists the interface of the high speed counter module with external devices 1 Terminal layout and terminal numbers of the connector for external devices The following figure shows the terminal layout and numbers on the connector for external devices fies B20 0 0 A20 B19 0 0 A19 B18 0 0 A18 B17 0 0 A17 B16 0 0 A16 B15 0 0 A15 B14 0 0 A14 B13 0 0 A13 B12 0 0 A12 B14 0 9 A11 B10 o 0 A10 B09 0 0 A09 Bos 0 0 A08 Bo7 o 0 A07 Bo6 0 0 A06 B05 0 0 A05 B04 0 0 A04 B03 0 0 A03 B02 0 0 A02 B01 0 0 A01 q BULIM 779 SOOIASP EUJ81X8 YIM eoenejul 7 9 41 2 LD62 DC input sink output
45. 7 CH1 CH2 Ring counter upper limit Un G22 Un G23 Un G54 Un G55 117 CH1 CH2 Sampling count value Un G14 Un G15 Un G46 Un G47 117 CH1 CH2 Sampling periodic counter flag Un G11 UN G43 uch os oe ede sty erated stag tates 117 CH1 CH2 Sampling periodic time setting Un G10 UN G42 dnt ord sth ie opt 116 Coincidence detection interrupt function 70 Coincidence output function 4 68 Connector for external devices ss 41 Count disable function 000005 78 Counteror coles cese p Rh n 77 Counter function selection 5 75 CWC OW ond ick aie eile bak eee ADR DS kee 59 External dimensions 00000000s 126 F sesc Satis ML Sha tn ANDE P OL 35 VO assignment llllllssss sess 120 Intelligent function module detailed setting 55 121 Interrupt factors SI 2 ee eee 70 Latch counter function 000 cease 79 Linear counter function 0000 eee 64 Module READY X0 sss 112 Output status setting at a CPU stoperror 69 Overflow error 2l 64 Parameter settings 222i less 56 Performing the preset function using a program 73 Performing the preset function using an external control SIGMA Ao eee ise zd tus Hos ab bd 74 Periodic pulse counter function LL 81 Preset UNCON 43 da Gad stu er me RR EAM 73 Pulse input modes llle less 59 R Readin
46. 8 Un G19 Un G50 Un G51 is then stored in CHO Periodic pulse count previous value Un G16 Un G17 Un G48 Un G49 4 The present counter value 100 is stored in CHO Periodic pulse count present value Un G18 Un G19 Un G50 Un G51 The value 20 which has been stored in CHLI Periodic pulse count present value Un G18 Un G19 Un G50 Un G51 is then stored in CHO Periodic pulse count previous value Un G16 Un G17 Un G48 Un G49 5 The present counter value 80 is stored in CHO Periodic pulse count present value Un G18 Un G19 Un G50 Un G51 The value 100 which has been stored in CHO Periodic pulse count present value Un G18 Un G19 Un G50 Un G51 is then stored in CHO Periodic pulse count previous value Un G16 Un G17 Un G48 Un G49 6 The periodic pulse counter function is performed regardless the on off status of CHO Count enable command Y4 YC 7 While the periodic pulse counter function is performed 1 is stored in CHO Sampling periodic counter flag Un G11 Un G43 Point Read CHO Periodic pulse count previous value Un G16 Un G17 Un G48 Un G49 and CHO Periodic pulse count present value Un G18 Un G19 Un G50 Un G51 by two words at a time Ex Program example xo 7 UO DMOV G16 D6 E UO DMOV G18 D8 Depending on the relationship between the update timing of the previous value or present value in the module and its read timing in
47. 9 MITSUBISHI ELECTRIC Mitsubishi Programmable Controller MELSEC L MELSEC L High Speed Counter Module User s Manual LD62 LD62D SAFETY PRECAUTIONS O Read these precautions before using this product Before using this product please read this manual and the relevant manuals carefully and pay full attention to safety to handle the product correctly The precautions given in this manual are concerned with this product only For the safety precautions of the programmable controller system refer to the user s manual for the CPU module used In this manual the safety precautions are classified into two levels N WARNING and N CAUTION NWARNING Indicates that incorrect handling may cause hazardous conditions resulting in death or severe injury Indicates that incorrect handling may cause hazardous conditions NCAUTION resulting in minor or moderate injury or property damage Under some circumstances failure to observe the precautions given under NCAUTION may lead to serious consequences Observe the precautions of both levels because they are important for personal and system safety Make sure that the end users read this manual and then keep the manual in a safe place for future reference Design Precautions NWARNING n an output circuit when a load current exceeding the rated current or an overcurrent caused by a load short circuit flows for a long time it may cause smoke and fire To prev
48. 92 mui Or powering off on the programmble controller CHAPTER 10 PROGRAMMING d Program example lt Start of counting gt X30 X40 2 LSET Y34 J lt Stop of counting gt X30 X44 7 LRST Y34 lt Setting for external output of the counter value coincidence signal gt X30 X42 DELTAPDY30 CH1 Coincidence signal No 1 reset command Y30 is set or reset Y32 lt Processing for counter value coincidence gt X30 Y32 X32 Y30 i ME Y50 The LED indicating a match is turned on X32 X45 7 SET Y30 J CH1 Coincidence signal No 1 reset command Y30 is set X32 Y30 g f RST Y30 CH1 Coincidence signal No 1 reset lt Preset execution by program gt command Y30 is reset X30 x43 7 jJ i DELTAPDY31 J CH1 Preset command Y31 is set or reset lt Overflow detection i i This program is set only when linear L HH D10 K1 Y51 i INSEL EE PUN ta UR a OT EN EN Pn A ES counter is used To use each function insert the following program into the position A in the program above Using the count disable function SET _ Y36 RST Y36 Using the latch counter function X30 X49 i PLS Y36 Using the sampling counter function uoneunBijuo uejs s pJepueis ui ainpoyy y Bulsy LOL x30 aB 1 PLS Y36 Using the periodic pulse counter function X30 X4D It Y36
49. Acknowledge I O Assignment IV Specify start XY address 0000 H 1 Module Occupy 16 points m Title Setting Title cme 4 Open the switch setting window for the high speed counter module and set parameters as shown below D Project window gt gt Intelligent Function Module gt LD62 gt Switch Setting Switch Setting 0000 LD62 Item CH2 Pulse input mode i 1 Phase Multiple of 1 Counting speed setting 200kpps 10kpps Counter format Linear Counter Linear Counter This dialog setting is linked to the Switch Setting of the PLC parameter Default value will be shown in the dialog if the Switch Setting of the PLC parameter contains an out of range value 9 npo y peaH eui 0 ejnpoy eu Bunoeuuo Z O Contents Item CH1 cH2 Pulse input mode 2 Phase Multiple of 1 1 Phase Multiple of 1 Counting speed setting 200kpps 10kpps Counter format User defined Linear Counter 1 Leave unused channels with the default values 101 oh Open the initial setting window for the high speed counter module and set parameters as shown below X Project window Intelligent Function Module LD62 gt Parameter V 0000 LD62 Parameter Display Filter Display All Item Basic setting Preset value E Coincidence output point No 1 1000 Coincidence output point No 2 Ring counter upper limit 5000 Ring counter lower limit 5000
50. CPU module is powered on or is reset Pulses are not counted while this signal is off 2 CHO Counter value large point No 1 X1 X8 e This signal turns on when CHO Present value Un G2 Un G3 Un G34 Un G35 is larger than CHO Coincidence output point No 1 Un G4 Un G5 Un G36 Un G37 This signal turns off when CHO Present value Un G2 Un G3 Un G34 Un G35 is equal to or smaller than CHO Coincidence output point No 1 Un G4 Un G5 Un G36 Un G37 3 CHO Counter value coincidence point No 1 X2 X9 This signal turns on when CHO Present value Un G2 Un G3 Un G34 Un G35 is equal to CHO Coincidence output point No 1 Un G4 Un G5 Un G36 Un G37 And then the on status will be latched e This signal is turned off by CHO Coincidence signal No 1 reset command YO Y8 This signal is on immediately after the CPU module is powered on or is reset because both CHO Present value Un G2 Un G3 Un G34 Un G35 and CHO Coincidence output point No 1 Un G4 Un G5 Un G36 Un G37 are set to 0 4 CHO Counter value small point No 1 X3 XA This signal turns on when CHO Present value Un G2 Un G3 Un G34 Un G35 is smaller than CHO Coincidence output point No 1 Un G4 Un G5 Un G36 Un G37 This signal turns off when CHO Present value Un G2 Un G3 Un G34 Un G35 is equal to or larger than CHO Coincidence output point No 1 Un G4 Un G5 Un G36 Un G37 5 CHO External preset request detection X4 XB This s
51. Counter function selection UmG9 Un1G41 lille elles 116 CH1 CH2 Counter function selection start command YO YE 22 5 secet PRAET E 114 CH1 CH2 Counter value coincidence point No 1 X2 X9 sers ede eer Nad 3 E 112 CH1 CH2 Counter value coincidence point No 2 XG XD etm ne m Sp EA RE Saas 113 CH1 CH2 Counter value large point No 1 X1 X8 ios SERES Oa ME REL 112 CH1 CH2 Counter value large point No 2 XD XQ x se Ra de Ger d e EIEE XR 113 CH1 CH2 Counter value small point No 1 X35 KAY cs seen em et eee acai Ug R 112 CH1 CH2 Counter value small point No 2 XT KE au urne uu AREE E 113 CH1 CH2 Down count command Y3 YB 114 CH1 CH2 External preset detection reset command Y5 Y D oui de tte gar e ete Re MS 114 CH1 CH2 External preset request detection X4 XB 24 ete eA eee ahead et a 112 CH1 CH2 Latch count value Un G12 Un G13 Un G44 Un G45 117 CH1 CH2 Overflow detection Un G8 Un G40 116 CH1 CH2 Periodic pulse count present value Un G18 Un G19 Un G50 Un G51 117 CH1 CH2 Periodic pulse count previous value Un G16 Un G17 Un G48 Un G49 117 CH1 CH2 Present value Un G2 Un G3 Un G34 Un G35 116 CH1 CH2 Preset command Y1 Y9 114 CH1 CH2 Preset value Un GO Un G1 Un G32 Un G33 116 128 E L O P CH1 CH2 Ring counter lower limit Un G20 Un G21 Un 52 Un G53 11
52. D This signal is turned on to reset CHO External preset request detection X4 XB a Operating timing The command is valid as long as the signal is on 7 CHO Counter function selection start command Y6 YE This signal is turned on to perform the selected counter function a Operating timing The command is valid on the rising edge from off to on of the signal latch counter function and sampling counter function The command is valid as long as the signal is on count disable function and periodic pulse counter function 114 APPENDICES 8 CHO Coincidence signal No 2 reset command Y7 YF This signal is turned on to reset CHO Counter value coincidence point No 2 X6 XD a Operating timing The command is valid as long as the signal is on sjeuBis yndjno Z xipueddy sjeuBbls O I Jo siiejeg xipueddy 115 Appendix 2 Details of Buffer Memory Areas 1 CHO Preset value Un GO Un G1 Un G32 Un G33 A preset value is stored in this area The setting range is from 2147483648 to 2147483647 32 bit signed binary 2 CHO Present value Un G2 Un G3 Un G34 Un G35 The present counter value is stored in this area The stored value is between 2147483648 and 2147483647 32 bit signed binary 3 CHO Coincidence output point No 1 Un1G4 Un G5 Un G36 Un G37 CHO Coincidence output point No 2 Un G6 Un G7 Un G38 Un G39 The coincidence output point setting value for compa
53. Environment and Installation Position lllleeeeeen 34 0 2 JMVIFIIgeune enters dao us pulos Los aet Ma eA sop Ra edits dn tai la abe 35 0 2 1 Wiring precautions icc dente ded Rhe Se rc eR Re EA tei NA eg 35 6 2 2 Connectors for external devices 0 0 0 es 39 6 2 3 Interface with external devices liil 41 0 2 4 Connectable encoders sasih eso cease hie nan bee LA 4 ees eT hie P ERR RR Ra hrs 46 6 3 Examples of Wiring Between the High Speed Counter Module and an Encoder 47 6 4 Examples of Wiring Between a Controller and External Input Terminals 49 6 5 Examples of Wiring with External Output Terminals lisse 52 CHAPTER 7 SETTINGS 53 7 1 Addinga Mod le i iis nck ede b RD and ee eee eek eee eet tae C a xad 53 7 2 Switch Setting r eet mt 54 7 3 Intelligent Function Module Detailed Setting llli 55 TA Parameter Settings ierde mare ani vae p UR xe neo qe Roe ecc eon 56 7 5 Auto Refresh ict bite wd be bet etui ies p eder bete e EE 57 CHAPTER 8 FUNCTIONS 58 8 1 Pulse Input Modes and Counting Methods 0000 esse 59 8 1 1 Types of pulse input modes illsilslsssllseeel en 59 8 1 2 Setting a counting method 0 00 eee eee ee 62 8 1 3 Reading the present value 000 en 62 8 2 Selecting Counter Type 0 0 rs 63 8 2 1 Linear counter function s sssusa eects 64 2 2
54. ORGANIZATION In this manual pages are organized and the symbols are used as shown below The following illustration is for explanation purpose only and should not be referred to as an actual documentation Reference Tye Select the type ofthe connected module Page 74 Section 7 12 Model Name Sees the model name ofthe connected module Page 74 Section 7 13 Ponts Set he numberof points assigned io each siot Page 74 Section 7 14 Sat xY Specfy a star VO number for each siot Page 74 Section 7 15 Saca satiro Configure the switch seting of the buit in UO or inteligent functon modules Page Ts Secon 718 ff 27 Sethe folowing of Error Time Output Mode E sata serna be Pere RE Paes seeinza7 8 JO Response Tene SE ag Setting Start X Y enables modification on the start VO numbers assigned to connected modules z Ex 1000 is specified in Start X Y to the slot where a 16 point module is connected the assignment Tange of an input module is changed to X1000 to X100F gr details refer to the following LSEC L CPU Module User s Manual Function Explanation Program Fundamentals Point Set the type ofthe connected module in Type Setting a diferent type results in SPUNIT LAY ERR intelligent function module the I O points must also be the same in addition to the I O assignment setting Sar When an intelligent module is conne
55. PTER 8 FUNCTIONS 8 5 2 Count error A count error may occur when the selected counter function is performed by external input A voltage is applied to the function start input terminal or by a program CHO Counter function selection start command Y6 YE is turned on The following describes how to calculate the count error 1 Count error maximum due to a delay of response to an external input 1 DS ug X Pulse input speed PPS x Multiplication count 2 Count error maximum when the selected counter function is performed by a program 1 scan time ms 688 Jis x Pulse input speed PPS x Multiplication count 3 Count error maximum due to an internal clock delay when the sampling counter function or the periodic pulse counter function is performed eee time setting value x 10 msl E Error in design 100 ppm S 1000 1000000 X Pulse input speed PPS X Multiplication count N Sampling periodic time setting value e B unit 10ms x Pulse input speed PPS x Multiplication count E 1000000 3 uonoejes UOHOUN 19juno2 G g Tf 8 6 Count Disable Function This function stops counting pulses while CHO Count enable command Y4 YC is on The following figure shows the relationship among CHO Count enable command Y4 YC the counter function selection start command and the present counter value 1 6 8 CHO Count enable command ON
56. Periodic pulse count previous value L 0 R 17 11H CH1 Periodic pulse count previous value H 0 R 18 124 CH1 Periodic pulse count present value L 0 R 19 134 CH1 Periodic pulse count present value H 0 R 20 144 CH1 Ring counter lower limit L 0 R W 21 154 CH1 Ring counter lower limit H 0 R W 22 164 CH1 Ring counter upper limit L 0 R W 23 174 CH1 Ring counter upper limit H 0 R W 24 184 to to System area 31 1Fy 32 204 CH2 Preset value L 0 R W 33 21H CH2 Preset value H 0 R W 34 224 CH2 Present value L 0 R 35 234 CH2 Present value H 0 R 36 244 CH2 Coincidence output point No 1 L 0 R W 37 254 CH2 Coincidence output point No 1 H 0 R W 38 26H CH2 Coincidence output point No 2 L 0 R W 39 274 CH2 Coincidence output point No 2 H 0 R W 27 seeJy Howay Jejng Jo 1S1 S E Address Address 5 a accion exe dac ift Name Initial value Read write 40 28H CH2 Overflow detection 0 R 41 294 CH2 Counter function selection 0 R W 42 2Ay CH2 Sampling periodic time setting 0 R W 43 2By CH2 Sampling periodic counter flag 0 R 44 2Cy CH2 Latch count value L 0 R 45 2Du CH2 Latch count value H 0 R 46 2E CH2 Sampling count value L 0 R 47 2Fy CH2 Sampling count value H 0 R 48 304 CH2 Periodic pulse count previous value L 0 R 49 314 CH2 Periodic pulse count previous value H 0 R 50 324 CH2 Periodic pulse cou
57. Pulse input mode B i 1 Phase Multiple of 1 Counting speed setting 10kpps 10kpps Counter format Linear Counter Linear Counter This dialog setting is linked to the Switch Setting of the PLC parameter Default value will be shown in the dialog if the Switch Setting of the PLC parameter contains an out of range value Cancel Item Description Setting value 1 Phase Multiple of 1 default 1 Phase Multiple of 2 CW CCW 2 Phase Multiple of 1 2 Phase Multiple of 2 2 Phase Multiple of 4 Pulse input mode Select a pulse input mode for each channel 10kpps default Select a counting speed for each channel pps uo 100kpps Counting speed settin 500kpps can be selected for the LD62D SPARE m ei RP 200kpps i 500kpps Linear Counter default Counter format Select a counter type for each channel Mn Ring Counter 54 CHAPTER 7 SETTINGS 7 3 Intelligent Function Module Detailed Setting Perform an output mode setting for an error and CPU module operation mode setting for a hardware error 1 Setting method Open the I O Assignment tab j 1 Open I O Assignment of the PLC parameter PLC Name n PLCFie PLCRAS Boot Fie m SFC Device Wo Assignment Built in Ethernet Port Setting Built in 1 0 Function Setting X Project window Parameter PLC A Model Name a Switch Setting pente Ll Parameter I O Assignment 2 Click the
58. S ale se 2 LD62D differential input sink output type Item Specifications Counting speed switch setting 500k 200k to 500kPPS 200k 100k to 100k 10k to 10k 10kPPS or less 200kPPS 100kPPS Number of occupied I O points 16 points I O assignment Intelligent 16 points Number of channels 2 channels 1 phase input 1 multiple 2 multiples 2 phase input 1 multiple 2 multiples 4 multiples Count input signal Phase i CW CCW input EIA Standard RS 422 A Signal level aud i Differential line driver level oA B AM26LS31 manufactured by Texas Instruments Incorporated or equivalent Counting speed maximum 2 500kPPS 200kPPS 100kPPS 10kPPS Counting range 32 bit signed binary 2147483648 to 2147483647 Type UP DOWN preset counter Ring counter functions Counter Ld EN 10 100 Minimum count pulse width LALA tunit us 25225 unit us LELE cunt us 25129 unit us duty ratio 50 a 2 Minimum phase Minimum phase Minimum phase Minimum phase difference in 2 phase difference in 2 phase difference in 2 phase difference in 2 phase input 0 5us input 1 25us input 2 5us input 25us Comparison range 32 bit signed binary Coincidence Setting value Count value output Comparison result Setting value Count value Setting value gt Count value External input
59. When the count range is Present value lt Ring counter lower limit value or ring counter upper limit value lt Present value For up count Even when the present value reaches the ring counter lower limit value the ring counter lower limit value is held as the lower limit and Ring counter upper limit value 1 is stored in CHO Present value Un G2 Un G3 Un G34 Un G35 at the next count up pulse input For down count When the present value reaches the ring counter upper limit value the ring counter lower limit value is automatically stored in CHO Present value Un G2 Un G3 Un G34 Un G35 Both in up count and in down count the ring counter upper limit value is not stored in CHO Present value Un G2 Un G3 Un G34 Un G35 For example when the count enable command is valid while the ring counter lower limit value is 0 the ring counter upper limit value is 2000 and the present value is 3000 the count range and the present value will change as follows Ring counter Ring counter lower limit value upper limit value E 2000 Present value 3000 2147483648 2147483647 n a a Ring counter Ring counter Present value upper limit value lower limit value B 2001 2002 to 2998 2999 3000 3001 to 2147483647 2147483648 to 2 SULT UUU UL FU N The ring counter upper limit value 2000 is not stored in CHO Present value Un G2 Un G3 Un G34 Un G35 TE c When the count range is Ring
60. ange shall be limited to normal use within the usage state usage methods and usage environment etc which follow the conditions and precautions etc given in the instruction manual user s manual and caution labels on the product 2 Even within the gratis warranty term repairs shall be charged for in the following cases 1 Failure occurring from inappropriate storage or handling carelessness or negligence by the user Failure caused by the user s hardware or software design 2 Failure caused by unapproved modifications etc to the product by the user 3 When the Mitsubishi product is assembled into a user s device Failure that could have been avoided if functions or structures judged as necessary in the legal safety measures the user s device is subject to or as necessary by industry standards had been provided 4 Failure that could have been avoided if consumable parts battery backlight fuse etc designated in the instruction manual had been correctly serviced or replaced 5 Failure caused by external irresistible forces such as fires or abnormal voltages and Failure caused by force majeure such as earthquakes lightning wind and water damage 6 Failure caused by reasons unpredictable by scientific technology standards at time of shipment from Mitsubishi 7 Any other failure found not to be the responsibility of Mitsubishi or that admitted not to be so by the user Onerous repair term after discontinuation of production
61. art command signal is input function 2 Section 8 7 This function is performed by a program or an external control signal function input Counter function This function counts pulses input during the specified sampling period after the selection Sampling counter function selection start command is input and stores the counter value to the Page 80 counter function buffer memory Section 8 8 This function is performed by a program or an external control signal function input ne This function stores the present and previous counter values to the corresponding Periodic pulse Page 81 buffer memory areas at the preset cycle while the counter function selection start counter function Section 8 9 command signal is input Point These functions can be used together However select either the linear counter function or the ring counter function and any one of the counter functions from counter function selection The preset function and the function selected from counter function selection can also be performed by the following external inputs To use the preset function apply a voltage to the preset input terminal To use any function of the counter function selection apply a voltage to the function start input terminal 25 e w T c 2 o o 2 t o 4 3 4 List of I O Signals The following table lists the I O signals of the high speed counter module For details on th
62. ation stops and the present value does not change from 2147483648 or 2147483647 even if pulses are input An overflow error can be cleared by performing the preset function When the preset function is performed 0 is stored in CHO Overflow detection Un G8 Un G40 and the counting operation can be restarted e Overflow error status can be checked in the system monitor window Page 108 Section 11 1 1 64 CHAPTER 8 FUNCTIONS 8 2 2 Ring counter function 1 Operation of the ring counter This function repeatedly counts pulses between the values stored in CHO Ring counter lower limit Un G20 Un G21 Un G52 Un G53 and CHO Ring counter upper limit Un G22 Un G23 Un G54 Un G55 In ring counter an overflow error does not occur The preset function and the coincidence output function can be used together Present counter value 2147483647 CHO Ring counter upper limit Un G22 Un G23 Un G54 Un G55 Counting up CHO Ring counter lower limit Un G20 Un G21 Un G52 Un G53 2147483648 uonouny Jejunoo Bury Z Z 8 ed Jejuno Bunoeles zg 65 66 2 Count range of the ring counter The count range is determined by the relationship between CHO Present value Un G2 Un G3 Un G34 Un G35 and the ring counter lower limit upper limit values when CHO Count enable command Y4 YC is turned on or when the preset function is performed Normally the count range is Ring counter lower limit
63. c counter flag Un G11 Un G43 When the sampling counter function or the periodic pulse counter function is selected the operating status of the selected function is stored in this area Either of the following values is stored based on the operating status Operating status Stored value Function stopped 0 Function being performed 1 8 CHO Latch count value Un G12 Un G13 Un G44 Un G45 The latch count value is stored in this area during execution of the latch counter function The stored value ranges from 2147483648 to 2147483647 32 bit signed binary 9 CHO Sampling count value Un G14 Un G15 Un G46 Un G47 The sampling count value is stored in this area during execution of the sampling counter function The stored value ranges from 2147483648 to 2147483647 32 bit signed binary 10 CHLI Periodic pulse count previous value Un G16 Un G17 Un G48 Un G49 CHO Periodic pulse count present value Un G18 Un G19 Un G50 Un G51 The previous and present periodic pulse count values are stored in this area during execution of the periodic pulse counter function The stored value ranges from 2147483648 to 2147483647 32 bit signed binary 11 CHO Ring counter lower limit Un G20 Un G21 Un 52 Un G53 CHO Ring counter upper limit Un G22 Un G23 Un G54 Un G55 When the counter type is set to ring counter the count range is stored in this area The setting range is from 21474836
64. ccident and ii where the backup and fail safe function are systematically or automatically provided outside of the PRODUCT for the case of any problem fault or failure occurring in the PRODUCT 2 The PRODUCT has been designed and manufactured for the purpose of being used in general industries MITSUBISHI SHALL HAVE NO RESPONSIBILITY OR LIABILITY INCLUDING BUT NOT LIMITED TO ANY AND ALL RESPONSIBILITY OR LIABILITY BASED ON CONTRACT WARRANTY TORT PRODUCT LIABILITY FOR ANY INJURY OR DEATH TO PERSONS OR LOSS OR DAMAGE TO PROPERTY CAUSED BY the PRODUCT THAT ARE OPERATED OR USED IN APPLICATION NOT INTENDED OR EXCLUDED BY INSTRUCTIONS PRECAUTIONS OR WARNING CONTAINED IN MITSUBISHI S USER INSTRUCTION AND OR SAFETY MANUALS TECHNICAL BULLETINS AND GUIDELINES FOR the PRODUCT Prohibited Application Prohibited Applications include but not limited to the use of the PRODUCT in Nuclear Power Plants and any other power plants operated by Power companies and or any other cases in which the public could be affected if any problem or fault occurs in the PRODUCT Railway companies or Public service purposes and or any other cases in which establishment of a special quality assurance system is required by the Purchaser or End User Aircraft or Aerospace Medical applications Train equipment transport equipment such as Elevator and Escalator Incineration and Fuel devices Vehicles Manned transportation Equipment for Recreation an
65. count previous value Un G16 Un G17 Un G48 Un G49 respectively at the preset cycle T The following figure shows the relationship between the signals and the buffer memory areas CHO Count enable command ON Y4 YC OFF 6 200 100 CHO Present value Un G2 Un G3 Un G34 Un G35 CHO Counter function selection start ON command Y6 YE Counter function selection start command function start input 200 100 CHLI Periodic pulse count present value Un G18 Un G19 UnG50 Un G51 200 uolouny Jejuno asind oipoueg 6 8 100 CHO Periodic pulse count previous value Un G16 Un G17 Un G48 Un G49 CHO Sampling periodic counter flag 1 Un G11 Un G43 0 81 82 No Description 1 The present counter value 0 is stored in CHO Periodic pulse count present value Un G18 Un G19 Un G50 Un G51 2 The present counter value 200 is stored in CHO Periodic pulse count present value Un G18 Un G19 Un G50 Un G51 The value 0 which has been stored in CHO Periodic pulse count present value Un G18 Un G19 Un G50 Un G51 is then stored in CHO Periodic pulse count previous value Un G16 Un G17 Un G48 Un G49 3 The present counter value 20 is stored in CHO Periodic pulse count present value Un G18 Un G19 Un G50 Un G51 The value 200 which has been stored in CHO Periodic pulse count present value Un G1
66. counter module error SP UNIT DOWN P j PLC Operation Mode isdetected Stop default Continue Even if a high speed i A at H W Error Continue counter module error is detected the The error SP UNIT DOWN is detected if the module READY flag is not in ready due to module hardware failure CPU module continues running a program for modules other than the faulty one 55 7 4 Parameter Settings Set parameters for each channel Setting parameters here eliminates the need to program them 1 Setting method Open the Parameter window 1 Open the Parameter window from the project window Project window Intelligent Function Module gt Model name gt Parameter 0010 LD62 Parameter DER Display Filter Display All BA Item to be input in a text box Item Basic setting Preset value Coincidence output point No 2 Ring counter upper limit Ring counter lower limit Counter function Set the special counter function Counter function selection 0 Count Disabling Function 0 Count Disabling Function Item to be selected Sampling periodic time setting _ ite Siac 0 x10ms from the pull down list 1 Latch Counter Function 2 5ampling Counter Function A3 Periodic Pulse Counter Function This area is used to select the counter function 2 Double click the text box of the setting target item and select or enter a value tems to be set by selecting a value
67. cted I O assignment can be omitted by selecting connected modules from Intelligent Function Module in the Project window 1 The mouse operation example for GX Works2 is provided below Menu bar XZ Online 2 Write to PLC Select Online on the menu bar and then select Write to PLC A window selected in the view selection area is displayed Ex Xt Project window 5 gt Parameter G PLC Parameter View selection area Select Project from the view selection area to open the Project window In the Project window expand Parameter and select PLC Parameter i Navigation Parameter Intelligent Function Module Global Device Comment Program Setting Ej POU D Program xe MAIN B3 Local Device Comment Device Memory Device Initial Value dla Connection Destination Destination The chapter of the current page is shown The section of the current page is shown Point shows notes that requires attention Remark shows useful information ME MELSOFT Series GX Works2 Unset Project PRG MAIN i Project Edit Find Replace Compile View Online Debug Diagno Unlabeled 13 TERMS Unless otherwise specified this manual uses the following terms Term Description High speed counter module Another term for the MELSEC L series high speed counter module Head module Abbreviation for the LJ72GF15 T2 CC Link IE Field Network head module D
68. d Point The I O numbers X Y above apply when the start I O number of the high speed counter module is set to 0 The use prohibited signal above is used by the system and is not available for users If used turned on by a user the performance of the high speed counter module is not guaranteed 26 3 5 List of Buffer Memory Areas CHAPTER 3 SPECIFICATIONS The following table lists the buffer memory areas of the high speed counter module For details on the buffer memory areas refer to the following Details of Buffer Memory Areas _ gt Page 116 Appendix 2 Address Address 5 TOTEM ERE ah Name Initial value Read write 2 0 UT CH1 Preset value L 0 R W 1 1H CH1 Preset value H 0 R W 2 24 CH1 Present value L 0 R 3 3H CH1 Present value H 0 R 4 4n CH1 Coincidence output point No 1 L 0 R W 5 5H CH1 Coincidence output point No 1 H 0 R W 6 6H CH1 Coincidence output point No 2 L 0 R W TH CH1 Coincidence output point No 2 H 0 R W 8 8H CH1 Overflow detection 0 R 9 94 CH1 Counter function selection 0 R W 10 Ay CH1 Sampling periodic time setting 0 R W 11 Buy CH1 Sampling periodic counter flag 0 R 12 Cy CH1 Latch count value L 0 R 13 Dy CH1 Latch count value H 0 R 14 En CH1 Sampling count value L 0 R 15 Fy CH1 Sampling count value H 0 R 16 10 CH1
69. d Amusement and Safety devices handling of Nuclear or Hazardous Materials or Chemicals Mining and Drilling and or other applications where there is a significant risk of injury to the public or property Notwithstanding the above restrictions Mitsubishi may in its sole discretion authorize use of the PRODUCT in one or more of the Prohibited Applications provided that the usage of the PRODUCT is limited only for the specific applications agreed to by Mitsubishi and provided further that no special quality assurance or fail safe redundant or other safety features which exceed the general specifications of the PRODUCTS are required For details please contact the Mitsubishi representative in your region INTRODUCTION Thank you for purchasing the Mitsubishi MELSEC L series programmable controllers This manual describes the functions and programming of a high speed counter module Before using this product please read this manual and the relevant manuals carefully and develop familiarity with the functions and performance of the MELSEC L series programmable controller to handle the product correctly When applying the program examples introduced in this manual to an actual system ensure the applicability and confirm that it will not cause system control problems Relevant modules LD62 LD62D Remark ooo coco oor Unless otherwise specified this manual describes the program examples in which the I O numbers of X YOO to X YOF are assi
70. d setting Slot Type Starb ojee c i La PLC Buitini 0 function 16 point 0000 L2 oro i 0010 Assigning the 1 0 address is not necessary as the CPU does it automatically Leaving this setting blank will not cause an error to occur Item Description Type Select Intelli Model name Enter the model name of the module Points Select 16point Start XY Enter the start I O number of the high speed counter module if required 120 APPENDICES 2 Intelligent function module detailed setting Open the I O assignment tab X Parameter gt PLC parameter I O assignment gt Detailed Setting button Intelligent function module detailed setting Error time m ow HE 2 ii E ofpe e 05 05 j 5 8 6 Li PLC BwitiniO function ww agoen nen D2 fclear Stop ee ENN NN Item Description Setting value Remarks Clear If a CPU stop error occurs all external outputs of coincidence signals turn off Hold If a CPU stop error occurs external outputs of coincidence signals are held in the status before the CPU module stops Error time output Select whether to clear or hold module Clear default mode output if a CPU stop error occurs Hold Stop If a high speed counter module Select whether to stop or continue the is P a error is detected the CPU module CPU module operation if a high speed stops c
71. dA while B is on At up count x 5 Counts on the rising edge T of 9B while A is on B ffi Counts on the falling edge of oB while 0A is off 2 phase multiple of 4 Counts on the rising edge T of 9A while B is on oA f l f Counts on the falling edge of oA while 6B is off At down count ie Counts on the rising edge T of 9B while A is off B jfi Counts on the falling edge 4 of pB while A is on Point For the 1 phase pulse input check that for up count the phase B pulse input and CHO Down count command Y3 YB are off before performing the phase A pulse input If at least one of the B phase pulse input and CHO Down count command Y3 YB is on pulses are counted down in the A phase pulse input 60 CHAPTER 8 FUNCTIONS a 1 phase pulse input The count method can be selected from 1 multiple and 2 multiples The following figure shows the relationship between phase A pulse input and phase B pulse input or CHO Down count command Y3 YB High speed counter module Pulse input Encoder oA ue B B or CHO Down count command Y3 YB b CW CCW pulse input Pulses can be counted up with the A phase pulse input and counted down with the B phase pulse input The following figure shows the relationship between A phase pulse input and B phase pulse input High speed counter module Count up pulse input Encoder oA
72. e I O signals refer to the following Details of I O signals gt Page 112 Appendix 1 Input signal Output signal Device No Signal name Device No Signal name CH1 Coincidence signal No 1 reset X0 Module READY YO command X1 CH1 Counter value large point No 1 Y1 CH1 Preset command X2 CH1 Counter value coincidence point No 1 Y2 CH1 Coincidence signal enable command X3 CH1 Counter value small point No 1 Y3 CH1 Down count command X4 CH1 External preset request detection Y4 CH1 Count enable command CH1 External preset detection reset X5 CH1 Counter value large point No 2 Y5 command 2 CH1 Counter function selection start X6 CH1 Counter value coincidence point No 2 Y6 command CH1 Coincidence signal No 2 reset XT CH1 Counter value small point No 2 Y7 command CH2 Coincidence signal No 1 reset X8 CH2 Counter value large point No 1 Y8 command X9 CH2 Counter value coincidence point No 1 Y9 CH2 Preset command XA CH2 Counter value small point No 1 YA CH2 Coincidence signal enable command XB CH2 External preset request detection YB CH2 Down count command XC CH2 Counter value large point No 2 YC CH2 Count enable command CH2 External preset detection reset XD CH2 Counter value coincidence point No 2 YD command CH2 Counter function selection start XE CH2 Counter value small point No 2 YE command CH2 Coincidence signal No 2 reset XF Use prohibited YF comman
73. e Side Enter the start number of the interrupt factor SI of Start SI No 0to 3 the high speed counter module uonouny nd no eoueprouto e g Ex Assigning SIO to SI3 of the high speed counter module whose start I O number has been set to 20 to the interrupt pointers 150 to 153 Intelligent Function Module Interrupt Pointer Setting 0020 Intelligent Module Side 4 PET nu Start No di dul Start SI No 0 71 72 c Using only a specific SI No Setting in the intelligent function module interrupt pointer setting in the parameters Interrupt factors are used starting from the start SI No by the number of interrupt pointers set in the Intelligent Function Module Interrupt Pointer Setting dialog box For example when 1 is set for Start SI No and 2 is set for Interrupt Pointer Count only SI1 and SI2 are used When these settings are not configured the interrupt function will not be used Using the IMASK instruction Using the IMASK instruction allows enabling or disabling interrupt program execution interrupt mask for each interrupt pointer For details on the IMASK instruction refer to the following MELSEC Q L Programming Manual Common Instruction Point A coincidence detection interrupt occurs on the rising edge of the counter value coincidence signal off to on Therefore the next interrupt will not be requested unless the coincidence signal is reset and t
74. e current value of a counter at the time of input of a signal c Sampling counter function Of input signals this function counts pulses that are input during a time specified beforehand d Periodic pulse counter function While signals are input this function stores the current value and previous value of a counter at each pre specified period 16 CHAPTER 1 HIGH SPEED COUNTER MODULE 7 Executing the preset function and the counter function selection via external control signals Applying a voltage to the preset input terminal allows the preset function to be performed Applying a voltage to the function start input terminal allows the counter function selection to be performed 8 Easy settings with GX Works2 GX Works2 allows Initial settings and auto refresh settings to be configured on the window resulting in the reduction of programs and making it easier to check the status of module settings and operation seymeeJ z 17 CHAPTER 2 PART NAMES The following table lists the part names of the high speed counter module EE Em eD O Hl o i UN 1 No Name Description 1 Module joint levers Levers for connecting two modules 2 oA LED On A voltage is being applied to the phase A pulse input terminal 3 B LED On A voltage is being applied to the phase B pulse input terminal 4 DEC LED On Pulses are being counted down 5 FUNC LED On
75. e master station Timers for interlock between the own and other stations T1 to T5 are set to 100ms lt Checking the data link status of station No 1 head module gt E ae MC NO MO Start of counting X1000 X20 E J LSET Y1004 lt Stop of counting gt X1000 X24 E LRST Y1004 lt Setting for output of the counter value coincidence signal gt X1000 X22 l E SET v1000 CH1 Coincidence signal No 1 reset command Y 1000 is set SET Y1002 CH1 Coincidence signal enable command Y 1002 is set X1000 Y1000 X22 K10 3 m1 Ti E LRST Y1000 Jj CH1 Coincidence signal No 1 reset command Y1000 is reset RST Y1002 CH1 Coincidence signal enable Processing for count value coincidence command Y1002 is reset X1000 Y1002 di de Y1000 f Y30 The LED indicating a match is turned on X1002 X25 d SET Y1000 CH1 Coincidence signal No 1 reset command Y1000 is set RST Y1000 CH1 Coincidence signal No 1 X1002 aye lt Preset execution by program gt reset command Y1000 is reset X1000 X23 E E LSET Y1001 J CH1 Preset command Y1001 is set X1000 Y1001 X23 K10 A T2 T2 RST Y1001 CH1 Preset command Y1001 is reset H A Overflovdetections 00000000000 0 0 0 tt i W1010 K1 v31 This program is set only when Dag da c CDL C M M HC ML MC RC RD EE
76. e processing present value Preset value 2500 Coincidence output point No 1 1000 Coincidence output point No 2 0 Ring counter upper limit 5000 Ring counter lower limit E Counter function i Counter Function selection 0 Count Disabling Function 0 Count Disabling Function Sampling periodic time setting Ox10ms Ox10ms Set the special counter function Item Description Setting value Preset value Enter a preset value 2500 Coincidence output point No 1 RE Enter a value for the coincidence output point No 1 1000 Coincid tput point incidence output poin Notused _ No 2 Ring counter upper limit 5000 Enter these values when using the ring counter function Ring counter lower limit 5000 Select the counter function to be used Depends on the function Counter function selection e Select any function when a counter function is not used used Sampling periodic time Enter a value when using the sampling counter function 1000 setting Enter a value when using the periodic pulse counter function 500 unit 10ms uogeunBijuo uejs g pJuepuejs u ejnpoy eui Burs LOL 91 b Auto refresh Set auto refresh destination devices Project window gt gt Intelligent Function Module gt LD62 gt Auto Refresh it 0030 LD62 Auto_Refresh Display Filter Display All Item BEES Present value The data of the buffer memory is transmitted to the specified device DO
77. eed counter module LD62 CPU module L26CPU BT Input module LX40C6 Output module LYA1NT1P ag gt d Eis Ix a z aC 4 jal ieu S E DB LR Power supply module L61P v X Y00 XIY10 X Y30 X YAO X Y50 to to to to to XIYOF XIY2F XIY3F XIYAF X Y6F END cover L6EC Point When using the LO2CPU assign X Y30 to X Y3F for the high speed counter module to set the same assignment as the system above For the LX40C6 assign X Y40 to X Y4F and for the LY41NT1P assign X Y50 to X Y6F 2 Programming condition The program counts pulses input to CH1 of the high speed counter module 88 CHAPTER 10 PROGRAMMING 3 Switch setting Set a pulse input mode counting speed and counter type as follows Project window Intelligent Function Module gt LD62 gt Switch Setting Switch Setting 0030 LD62 Item CH1 CH2 Pulse input mode oss Ss Phase Multiple OF mm 1 Phase Multiple of 1 Counting speed setting 200kpps 10kpps Counter Format Linear Counter Linear Counter This dialog setting is linked to the Switch Setting of the PLC parameter Default value will be shown in the dialog if the Switch Setting of the PLC parameter contains an out of range value Cancel Description Item CH1 CH2 Pulse input mode 2 Phase Multiple of 1 1 Phase Multiple of 1 Counting speed setting 200kpps 10kpps Counter format
78. ence signal No 2 reset command Y7 YF off Turn off CHO Coincidence signal No 1 reset command YO Y8 and or CHO Coincidence signal No 2 reset command Y7 YF Are the values in CHO Coincidence output point No 1 Un G4 Un G5 Un G36 Un G37 and CHO Coincidence output point No 2 Un G6 Un G7 Un G38 Un G339 set within the count range of the ring counter for the ring counter function only Set the value s in CHO Coincidence output point No 1 Un G4 Un G5 Un G36 Un G37 and or CHO Coincidence output point No 2 Un G6 Un G7 Un G38 Un G39 within the count range of the ring counter Is CHO Coincidence signal enable command Y2 YA on Turn on CHLI Coincidence signal enable command Y2 YA Is a voltage applied to the power supply terminal for external coincidence output Apply a voltage to the power supply terminal for external coincidence output Is the external wiring for the coincidence output point No 1 terminal EQU1 and the coincidence output point No 2 terminal EQU2 correct Check the external wiring and make necessary corrections 11 5 Coincidence Detect ion Interrupt Does Not Occur Check item Action Is the intelligent function module interrupt pointer setting in the PLC parameter correct Review the intelligent function module interrupt pointer setting Are program execution control instructions such as the IMASK instruction correctly used Review the prog
79. ent this configure an external safety circuit such as a fuse Do not write any data to the system area of the buffer memory in the intelligent function module Also do not use any use prohibited signals as an input signal from the CPU module to the intelligent function module Doing so may cause malfunction of the programmable controller system Outputs may remain on or off due to a failure of a transistor for external output Configure an external circuit for monitoring output signals that could cause a serious accident Design Precautions NCAUTION Do not install the control lines or communication cables together with the main circuit lines or power cables Keep a distance of 150mm or more between them Failure to do so may result in malfunction due to noise Installation Precautions NWARNING Shut off the external power supply all phases used in the system before mounting or removing a module Failure to do so may result in electric shock or cause the module to fail or malfunction Installation Precautions NCAUTION Use the programmable controller in an environment that meets the general specifications in the Safety Guidelines provided with the CPU module or head module Failure to do so may result in electric shock fire malfunction or damage to or deterioration of the product To interconnect modules engage the respective connectors and securely lock the module joint levers until the
80. erflow status data is stored in i D10 i a Using the sampling counter function or the periodic pulse counter function To use the sampling counter function or the periodic pulse counter function insert the following program into the position A in the program above Using the sampling counter function U3 DMOV K1000 G10 Using the periodic pulse counter function U3 DMOV K500 G10 Sampling time is set to 10000ms Periodic pulse time is set to 5000ms b Using each function CHAPTER 10 PROGRAMMING To use each function insert the following program into the position B in the program above Using the count disable function x30 X46 U3 TE 1 MOV KO G9 The count disable function is selected sET Y36 X47 RST Y36 Using the latch counter function X30 x48 U3 H DMOV G12 D2 The latch count value is read XAG Mov Ki Ge The latch counter function is selected PLS Y36 Using the sampling counter function X30 X4A U3 I DMOV G14 D4 The sampling count value is read XE NOA ke ten The sampling counter function is selected PLS Y36 Using the periodic pulse counter function X30 X4C X U3 5 i H DMOV G16 D6 f mE The present and previous periodic R U3 _ pulse count values are read DMOV G18 D8 E U3 E D D6 D8 DMOV G16 D6 When the present value U3 previous val
81. ernal devices to the connectors of the high speed counter module S x and securely tighten the two screws z When removing a cable from the high speed counter module do not pull the cable by the cable part se Remove a cable supporting the connector part of the cable by hand Pulling the cable being connected to the high speed counter module can cause malfunction In addition a damage of the high speed counter module S or cables can result S 35 3 Measures against noise The high speed counter module may count pulses incorrectly if pulse like noise is input Forthe input of high speed pulses take the following measures against noise Measure 1 Use shielded twisted pair cables Measure 2 Use the shortest possible shielded twisted pair cables placing them not parallel with noise generating power cables or I O cables and at a distance of 150mm or more Measure3 Ground the shield cable on the encoder side relay box Always ground the FG and LG terminals to the protective ground conductor The following figure shows a wiring example for noise reduction Programmable High speed counter module controller Terminal block verter Terminal Avoid using a solenoid valve or inductive load together with the cable in a metallic pipe If a sufficient distance from the power line cannot be ensured due to duct wiring Install 1 0 cable
82. es used for the pulse input lines Use shielded twisted pair cables for the pulse input lines Is the high speed counter module affected by noise through the grounding area Separate the grounding cable of the high speed counter module from the grounded part If the high speed counter module touches the grounded part separate it Are noise reduction measures taken in the control panel or for noise emitting devices Take noise reduction measures such as attaching a CR surge suppressor to the magnet switch Is there a sufficient distance between the high voltage equipment and the pulse input cables Wire the pulse input cables alone when placing them in a duct and keep a distance of 150mm or more from the power cables in the control panel Are the count values of CH1 and CH2 same when the same number of pulses are input If the count values differ the cause is a hardware failure Please consult your local Mitsubishi representative explaining a detailed description of the problem Was the preset function performed within the count range of the ring counter for the ring counter function only Reset the preset value within the count range and perform the preset function again 109 uoge1edo Bununo LEIS JON seog einpow eur z LL 11 4 Coincidence Output Function Does Not Correctly Operate Check item Action Are CHO Coincidence signal No 1 reset command YO Y8 and CHO Coincid
83. from a pull down list Double click the text box and select an option from the displayed pull down list tems to be set by entering a value in a text box Double click the text box and enter a value 3 When using CH2 perform the procedure 2 Item Setting value Reference Preset value 2147483648 to 2147483647 default 0 Page 73 Section 8 4 Coincidence output point No 1 2147483648 to 2147483647 default 0 Basic setting Coincidence output point No 2 Page 68 Section 8 3 2147483648 to 2147483647 default 0 Ring counter upper limit 2147483648 to 2147483647 default 0 Ring counter lower limit Page 65 Section 8 2 2 2147483648 to 2147483647 default 0 Counter function selection Counter function 0 Count Disable Function default 1 Latch Counter Function 2 Sampling Counter Function 3 Periodic Pulse Counter Function Page y3 Section Oa Sampling periodic time setting 1 to 65535 unit 10ms default 0 56 CHAPTER 7 SETTINGS 7 5 Auto Refresh The function of auto refresh is to transfer buffer memory data to a specified device This setting eliminates the need to read data with a program 1 Setting method Open the Auto_Refresh window 1 Open the Auto_Refresh window from the project window X Project window gt Intelligent Function Module Model name gt Auto Refresh 2 Click the text box of the setting target item and enter
84. g 3 3 CHAPTER 3 SPECIFICATIONS Function List The following table lists the functions of the high speed counter module Item Description Reference This function counts pulses between 2147483648 and 2147483647 and detects an Page 64 Linear counter function i overflow if the count value is outside the range Section 8 2 1 This function repeatedly counts pulses between the ring counter upper limit value Page 65 Ring counter function aD and the ring counter lower limit value Section 8 2 2 This function compares the present counter value with the preset coincidence output point setting value and outputs on or off signal when they match Coincidence Coincidence Page 68 This function outputs an interrupt signal to the CPU module and starts an interrupt output function detection Section 8 3 int program when the present counter value matches with the preset coincidence output interru E point setting value function This function overwrites the present counter value with the preset value Page 73 Preset function or j This function is performed by a program or an external control signal preset input Section 8 4 Count disable This function stops counting pulses while CHO Count enable command Y4 YC is Page 78 function on Section 8 6 This function stores the present counter value to the buffer memory when the Latch counter N 2 Page 79 counter function selection st
85. g the counter function selection count value 76 Reading the present value 62 Ring counter function 20000 65 S Sampling counter function 80 Selecting countertype llle sun 63 Switch setting llle 54 122 129 REVISIONS The manual number is given on the bottom left of the back cover Print date April 2010 SH NA 080920ENG A First edition December 2010 SH NA 080920ENG B Partial correction SAFETY PRECAUTIONS Section 1 1 1 2 CHAPTER 2 CHAPTER 3 Section 3 2 3 2 1 3 3 3 4 3 5 CHAPTER 4 CHAPTER 5 Section 5 1 5 2 5 2 1 CHAPTER 6 Section 6 1 6 2 6 2 1 6 2 2 6 2 3 6 2 4 6 3 6 4 6 5 CHAPTER 7 Section 7 1 7 2 7 3 7 4 7 5 CHAPTER 8 Section 8 1 8 1 1 8 1 2 8 1 3 8 2 8 2 1 8 2 2 8 3 8 4 8 5 8 5 1 8 5 2 8 6 8 7 8 8 8 9 CHAPTER 9 Section 9 1 9 2 9 3 CHAPTER 10 Section 10 1 10 2 10 3 CHAPTER 11 Section 11 1 11 2 11 3 11 4 11 5 11 6 11 7 Appendix 1 1 1 1 2 2 3 4 5 5 1 5 2 February 2012 SH NA 080920ENG C Partial correction COMPLIANCE WITH EMC AND LOW VOLTAGE DIRECTIVES RELEVANT MANUALS Section 7 2 8 2 10 1 10 2 October 2014 SH NA 080920ENG D partial correction SAFETY PRECAUTIONS Section 5 1 6 2 1 6 2 2 Chapter 7 Japanese manual version SH 080912 D This manual confers no industrial property rights or any rights of any other kind no
86. gned for a high speed counter module For I O number assignment refer to the following 1 MELSEC L CPU Module User s Manual Function Explanation Program Fundamentals Operating procedures are explained using GX Works2 When using GX Developer or GX Configurator CT refer to the following When using GX Developer or GX Configurator CT Page 120 Appendix 5 e e0e 6006000 00090000000 00000000000000000000009 9000900000000090000090000000000909 COMPLIANCE WITH EMC AND LOW VOLTAGE DIRECTIVES 1 Method of ensuring compliance To ensure that Mitsubishi programmable controllers maintain EMC and Low Voltage Directives when incorporated into other machinery or equipment certain measures may be necessary Please refer to one of the following manuals MELSEC L CPU Module User s Manual Hardware Design Maintenance and Inspection MELSEC L CC Link IE Field Network Head Module User s Manual Safety Guidelines This manual is included with the CPU module or head module The CE mark on the side of the programmable controller indicates compliance with EMC and Low Voltage Directives 2 Additional measures To ensure that this product maintains EMC and Low Voltage Directives please refer to Page 37 Section 6 2 1 4 RELEVANT MANUALS 1 CPU module user s manual Manual name lt manual number model code gt Description MELSEC L CPU Module User s Manual Hardware Design Maintenance and Inspection
87. he counter value coincidence signal is turned off CHAPTER 8 FUNCTIONS 8 4 Preset Function This function overwrites the present counter value with the set value The set value is referred to as a preset value This function can be used to start counting pulses from the preset value The function can be performed using a program or an external control signal 1 Performing the preset function using a program Perform the preset function by turning on CHO Preset command Y1 Y9 CHO Count enable command ON Y4 YC OFF Counter input pulse MI CHO Preset value o gt lt 100 Un GO Un G1 Un G32 Un G33 2 CHO Preset command ON i i Y1 Y9 OFF S CHO Present value 9 42 to 6566 67 100 101 102 103 104 105 Un G2 Un G3 Un G34 Un G35 ad a ee dr 9a QU US ce ud No Description 1 Write a value to CHO Preset value Un GO Un G1 Un G32 Un G33 in 32 bit signed binary On the rising edge off to on of CHO Preset command Y1 Y9 the value stored in CHO Present value Un G2 2 Un G3 Un G34 Un G35 is replaced with the value stored in CHO Preset value Un GO Un G1 Un G32 Un G33 The preset function is performed regardless of the on off status of CHO Count enable command Y4 YC UONOUN 1eseJg pg 73 2 Performing the preset function using an exte
88. ignal is turned on by a preset command from an external input terminal And then the on status will be latched This signal is turned off by CHO External preset detection reset command Y5 YD 112 APPENDICES 6 CHO Counter value large point No 2 X5 XC This signal turns on when CHO Present value Un G2 Un G3 Un G34 Un1G35 is larger than CHO Coincidence output point No 2 Un G6 Un G7 Un G38 Un G39 This signal turns off when CHO Present value Un G2 Un G3 Un G34 Un G35 is equal to or smaller than CHO Coincidence output point No 2 Un G6 Un G7 Un G38 UnG39 7 CHO Counter value coincidence point No 2 X6 XD This signal turns on when CHO Present value Un G2 Un G3 Un G34 Un G35 is equal to CHO Coincidence output point No 2 Un G6 Un G7 Un G38 Un G39 And then the on status will be latched e This signal is turned off by CHO Coincidence signal No 2 reset command Y07 YF This signal is on immediately after the CPU module is powered on or is reset because both CHO Present value Un G2 Un G3 Un G34 Un G35 and CHLI Coincidence output point No 2 Un G6 Un G7 Un G38 Un G39 are set to 0 8 CHO Counter value small point No 2 X7 XE This signal turns on when CHO Present value Un G2 Un G3 Un G34 Un G35 is smaller than CHO Coincidence output point No 2 Un G6 Un G7 Un G38 UnG39 This signal turns off when CHO Present value Un G2 Un G3 Un G34 Un G35 is equal to or larger than
89. isplay unit A liquid crystal display to be attached to the CPU module Programming tool Generic term for GX Works2 and GX Developer GX Works2 The product name of the software package for the MELSEC programmable controllers GX Developer GX Configurator CT A setting and monitoring tool added in GX Developer for high speed counter modules A memory in an intelligent function module where data such as setting values and monitoring values Buffer memo exchanged with a CPU module are stored PACKING LIST The following items are included in the package of this product Before use check that all the items are included High speed counter module Module Before Using the Product 14 CHAPTER 1 HIGH SPEED COUNTER MODULE CHAPTER 1 HIGH SPEED COUNTER MODULE This chapter describes the application and the features of the high speed counter module 1 1 Application The high speed counter module is capable of counting the number of inputs of a high speed pulse that cannot be measured by a sequence using general purpose input modules Temporarily stops the inverter Coincidence output T A panem i T Encoder pulse generator nnn Jun CH2 Encoder pulse generator CH1 uoneoiddy 15 1 2 Features 1 Offering counting capability over the wide range from 2147483648 to 2147483647 The module stores a count value in 32 bit
90. l Hardware Design Maintenance and Inspection MELSEC L CC Link IE Field Network Head Module User s Manual 1 Number of high speed counter module parameters The following number of parameters can be set for one high speed counter module Model Initial setting Auto refresh LD62 8 14 maximum number of parameters LD62D 8 14 maximum number of parameters suoneoioeds eoueuuoped ZE Jes eq ueo jeu sJejeuisejed Jo JOQUINN L Z 23 24 2 Checking the number of parameters The number of parameters set for the intelligent function module and the maximum number of parameters can be checked by the following operation D Project window gt gt Intelligent Function Module gt Right click Intelligent Function Module Parameter List Intelligent Function Module Parameter List Intelligent Function Module Parameter Setting Status xY Address Module Name Initialization Count Auto Refresh Count 0030 LD62 M Setting Exist 8 v Setting Exist 4 Intelligent Function Module Parameter Setting Count Total Initial Max 4096 Auto Refresh Max 2048 I Close 1 2 3 4 No Description 1 The total number of parameters that have been selected under Initialization Count 2 The maximum number of parameters for initial setting 3 The total number of parameters that have been selected under Auto Refresh Count 4 The maximum number of parameters for auto refresh settin
91. l hundred ohms several watts across the pulse input terminals between 24V and ABCOM Pulse shaping is effective as counter measures against the following situations 1 Wiring distance between the pulse generator and the LD62 is long Pulse shaping removes waveform rounding and stabilizes pulse waveforms 2 Waveform is unstable due to a noise The pulse waveform becomes stable by shaping the waveform which has an effect on external noise reduction Point The following example describes how to evaluate the resistance constant and rated power of a dummy resister For example when approx 30mA load current is set the corresponding dummy resistance rating is calculated in the following formula R V 24V 30mA 8000 The power applied to the dummy resistance is calculated in the following formula P Vx1 24V x 30mA 0 72W Considering the design margin select a dummy resistor with the rated power of 2W poyan Buideus uuoje eM es ng 7L 111 APPENDICES Appendix 1 Details of I O Signals This section describes the details on the I O signals from the high speed counter module to the CPU module Point The I O numbers X Y in this section are shown on the assumption that the start I O number of the high speed counter module is set to 0 Appendix 1 1 Input signals 1 Module READY X0 This signal turns on when the high speed counter module is ready for counting operation after the
92. lse count present value Un G18 Un G19 Un G50 Un G51 and CHO Periodic pulse count previous value Un G16 Un G17 Un G48 Un G49 respectively at the preset cycle T Periodic Pulse Counter Function Page 81 Section 8 9 Point When changing the counter function change the function with the off state of CHO Counter function selection start command Y6 YE The selected counter function can be performed by turning on CHO Counter function selection start command Y6 YE or applying a voltage to the function start input terminal A signal that is input first takes priority Time for the sampling counter function or the periodic pulse counter function can be set by writing a value of 1 to 65535 to CHO Sampling periodic time setting Un G10 Un G42 The unit of time is 10ms Ex setting 420 for CHO Sampling periodic time setting Un G10 Un G42 420 x 10 4200 ms 15 uonoejes uornoun Jj Jejuno G g 8 5 1 Reading the counter function selection count value The counter function selection count value refers to the count value that is stored when the counter function selection is performed When the latch counter sampling counter or periodic pulse counter function is performed the count value is stored in the corresponding buffer memory areas listed in the table below Counter function selection count value TD Periodic pulse Periodic pulse Description Present value Latch count
93. n read by the UNIRD instruction 00 No overflow detected no error 10 Overflow detected moderate error Execute a preset to clear the overflow error 1 Overflow detected 108 11 2 CHAPTER 11 TROUBLESHOOTING The Module Does Not Start Counting Operation Check item Action Is any LED of the CPU module indicating an error If the LED indicates an error refer to the troubleshooting in the manual for the CPU module used and take corrective actions to restore normal operation of the CPU module Do the A LED and B LED turn on when a voltage is directly applied to the pulse input terminals for A and 9B If the A LED and B LED turn on check the external wiring and the encoder and make necessary corrections If they do not turn on the cause is a hardware failure Please consult your local Mitsubishi representative explaining a detailed description of the problem Is the external wiring for 6A and B correct Check the external wiring and make necessary corrections Is CHO Count enable command Y4 YC on Turn on CHO Count enable command Y4 YC using a program Is the pulse input method same as the pulse input mode setting specified in the intelligent function module switch setting Set the pulse input method same as the pulse input mode specified in the intelligent function module switch setting Is CHO Counter function selection start command Y6 YE off or is a
94. n environment and installation position refer to the following MELSEC L CPU Module User s Manual Hardware Design Maintenance and Inspection MELSEC L CC Link IE Field Network Head Module User s Manual 34 CHAPTER 6 INSTALLATION AND WIRING 6 2 Wiring This section describes wiring of encoders and controllers to the high speed counter module 6 2 1 Wiring precautions To obtain the maximum performance from the functions of the high speed counter module and improve the system reliability an external wiring with high durability against noise is required Here are some precautions when wiring encoders and controllers 1 Wiring Different terminals are prepared depending on the voltage of the signal to be input Connecting to a terminal with a different voltage may cause malfunction of the module or failure of the connected devices n 1 phase input always connect a pulse input cable on the A phase side Install a fuse for each external terminal to prevent the external devices or module from being burnt out or damaged if a load shorts in an output circuit The following fuses have been tested by Mitsubishi Fuse model name Rated current Contact 312 750 0 75A Littlefuse KK 216 800 0 8A www littelfuse com 2 Connectors for external devices Connectors for external devices must be soldered or crimped properly A poor soldering or crimping may result in malfunction Securely connect the connectors for ext
95. n of coincidence output point No 1 3 Channel 2 Coincidence detection of coincidence output point No 2 4 to 15 Reserved Interrupt program execution timing CHO Counter value coincidence point No 1 X2 X9 CHO Counter value coincidence point No 2 X6 XD I O signals CHO Coincidence signal No 1 reset command YO Y8 CHO Coincidence signal No 2 reset command Y7 YF Internal Interrupt request processing of CPU module Interrupt request clear Program in CPU module Interrupt program y CHAPTER 8 FUNCTIONS b Setting interrupt pointers Assign interrupt factors SI and the interrupt pointers of the CPU module in Intelligent Function Module Interrupt Pointer Setting of PLC Parameter X Project window gt gt Parameter gt PLC Parameter gt PLC System gt Intelligent Function Module Setting gt interrupt Pointer setting button Intelligent Function Module Interrupt Pointer Setting PLC Side Interrupt Pointer Interrupt Pointer Start No Count as Intelligent Module Side lt Start I O Mo Start SI No j Item Description Setting range Enter the start number of the interrupt pointer of the Interrupt Pointer Start No 50 to 255 PLC Side j CPU module Interrupt Pointer Count Enter the number of interrupt factors SI 1to4 Enter the start O number of the high speed counter Start I O No SUP 0000 to OFFO module Intelligent Modul
96. n selection COUNTER FUNC 4 user Tn Numeric Sampling periodic time setting SAMPLING PERIOD 65535 1 value 85 susei0g eDueu enjeA Bumes Jo 1S1 amp 6 2 Preset value PRESET VALUE screen Input item 1 Move the cursor using the 4 and jp buttons increase or decrease the cursor position value using the A and Y buttons and press the button Input item Setting range Upper limit value Lower limit value PRESET VALUE 2147483647 2147483648 3 Coincidence output point No 1 COINCIDENCE NO1 screen Input item 1 Move the cursor using the 4 and buttons increase or decrease the cursor position value using the A and W buttons and press the button Setting range Input item Upper limit value Lower limit value COINCIDENCE NO1 2147483647 2147483648 4 Coincidence output point No 2 COINCIDENCE NO2 screen Input item 1 Move the cursor using the 4 and gt buttons increase or decrease the cursor position value using the A and W buttons and press the button Setting range Input item Upper limit value Lower limit value COINCIDENCE NO2 2147483647 2147483648 86 CHAPTER 9 DISPLAY UNIT 5 Ring counter upper limit value RING COUNT MAX screen 1 Move the cursor using the 4 and p buttons increase or decrease the cursor position value using the A and YW buttons and
97. n set Switch 5 Point in counting speed setting 500kPPS can be selected for the LD62 only Do not set 500kPPS for the LD62 Doing so will result in incorrect count Switches 3 to 5 fields in Switch setting for I O and intelligent function module are used by the system and are not available for users Always leave these fields blank If a value is set the performance of the high speed counter module is not guaranteed 122 APPENDICES Appendix 5 2 GX Configurator CT operation When using GX Developer procedures for displaying parameter setting screens of GX Configurator CT differ from those of GX Works2 The following figures show how to display GX Configurator CT screens using GX Developer Note that the setting contents are the same as those of GX Works2 s Page 53 CHAPTER 7 Screen Application Initial setting Set values including a preset value Auto refresh setting Transfer buffer memory data to the specified device Monitor Test Test monitor the buffer memory and I O signals uoneJedo 19 10 e1n juon X9 Z S xipueddy 19 10 21n yuo9 XH pue sadojansq X9 Bulsp ueuM g xipueddy 123 GX Developer screen Edit mode MAIN 58 Step Confirm project memory size Merge data Transfer ROM gt Delete unused comments Clear all parameters IC memory card Start ladder logic test Set TEL data gt Start LCPU Logging Configuration Tool I
98. n to the initial setting change screen Preset value setting screen Standby screen ad Function selection screen RN Coincidence output point No 1 setting screen Coincidence output point No 2 setting screen Module setting module Module setting start I O No specification screen specification screen Ring counter upper limit setting screen Ring counter lower limit setting screen Module setting module selection screen Initial setting change screen Counter function selection screen Initial setting change screen Sampling periodic time Change item selection menu screen setting screen Parameter valid drive confirmation screen Channel selection screen 84 9 3 List of Setting Value Change Screens The following table lists setting value change screens 1 User interface language is English CHAPTER 9 DISPLAY UNIT Name Setting range xem 1 Format Upper limit Lower limit Setting item Screen display value value Numeric Preset value PRESET VALUE 2147483647 2147483648 value m Numeric Coincidence output point No 1 COINCIDENCE NO1 l 2147483647 2147483648 value e Numeric Coincidence output point No 2 COINCIDENCE NO2 vals 2147483647 2147483648 f AE Numeric Ring counter upper limit RING COUNT MAX i 2147483647 2147483648 value E Numeric Ring counter lower limit RING COUNT MIN 3l 2147483647 2147483648 value Set by Counter functio
99. nal lines may cause malfunction due to static electricity Cover the wires with an insulating tape Take a shield out from any of the shielded cables and solder it to the FG wire Cover the wires and conductive tape with a heatshrinkable tube 38 CHAPTER 6 INSTALLATION AND WIRING 6 2 2 Connectors for external devices 1 Precautions Tighten the connector screws within the specified torque range Screw Tightening torque range Connector screw M2 6 0 20 to 0 29N m Use copper wires having temperature rating of 75 C or more for the connectors Use UL listed connectors if necessary for UL compliance 2 Applicable connectors Connectors for external devices that are applicable to the high speed counter module need to be obtained by a user The following tables list the applicable connectors and the reference product of a crimping tool a 40 pin connectors Type Model Applicable wire size Soldering type connector A6CON1 0 3 mni 22 AWG Stranded straight out type Crimping type connector A6CON2 0 088 to 0 24mni 28 to 24 AWG stranded wire straight type Soldering type connector z A6CON4 0 3 mm 22 AWG Stranded dual purpose straight oblique type Point The A6CON3 IDC type connector straight type cannot be used b 40 pin connector crimping tool Type Model Contact FUJITSU COMPONENT LIMITED Crimping tool FCN 3
100. nnector 31 32 2 When connected to the head module Power supply module Head module High speed counter module Connector END cover CHAPTER 5 SYSTEM CONFIGURATION 5 2 Applicable System 1 Number of connectable modules For the number of connectable modules refer to the following LL MELSEC L CPU Module User s Manual Hardware Design Maintenance and Inspection LL MELSEC L CC Link IE Field Network Head Module User s Manual 2 Compatible software versions For compatible software versions refer to the following LL MELSEC L CPU Module User s Manual Hardware Design Maintenance and Inspection LL MELSEC L CC Link IE Field Network Head Module User s Manual 5 2 1 Restrictions when the high speed counter module is connected to the head module The restrictions are as follows The coincidence detection interrupt function cannot be used Due to the link scan time a delay occurs This delay causes variations if the processing is carried out with counter values that are input using a program Thoroughly examine the system to make sure that it will not cause controllability problem uejs s e qeoiddy Z S e npou peeu eui oi pej euuoo s ejnpoui Jeyunoo peeds uBiu eui UUM suonouiseM L Z G 33 CHAPTER 6 INSTALLATION AND WIRING This chapter describes installation and wiring of the high speed counter module 6 1 Installation Environment and Installation Position For precautions for installatio
101. nt present value L 0 R 51 334 CH2 Periodic pulse count present value H 0 R 52 344 CH2 Ring counter lower limit L 0 R W 53 354 CH2 Ring counter lower limit H 0 R W 54 364 CH2 Ring counter upper limit L 9 0 R W 55 374 CH2 Ring counter upper limit H 3 0 R W 56 384 to to System area 63 3Fy 28 4 This value is set when the high speed counter module is powered on or the CPU module is reset 2 Whether a value can be read from written to a program or not is indicated R Readable W Writable 3 Read or write values in 32 bit signed binary Be sure to use two words at a time Point The system areas listed above and the areas not listed above are used by the system and are not available for users If data are written by a user the performance of the high speed counter module is not guaranteed Buffer memory data in the high speed counter module are initialized when the high speed counter module is powered on or the CPU module is reset To save the necessary data read write the data by executing the FROM DFRO TO DTO instructions in the program or performing auto refresh to the device data CHAPTER 4 PROCEDURES BEFORE OPERATION CHAPTER 4 PROCEDURES BEFORE OPERATION This chapter lists the procedures before operation Start Module installation Connect the high speed counter module L7 Page 31 Section 5 1 Wiring Page 35 Section 6 2 Page 47 Section 6 3 Page
102. ntelligent Customize keys Change display color Options Create start up setting file Tools Intelligent function utility Start Window for selecting the target intelligent function module and setting parameters 2 Intelligent function module utility C MELSECYGPPWY0000 E Enter Start I O No and select Module type and Module model name Initial setting Auto refresh Initial setting window Auto refresh setting window Auto refresh setting 124 1 Online Monitor Test Select monitor test module dialog box Select monitor test module Select monitor test module Start 1 0 No Module type 0030 lodule model name LD62 Module implementation status Start 1 0 No OO3O LD52 Module model name m Monitor Test Select a module to be monitored tested Monitor Test window Monitor Test Module information Module type Counter Module Module model name LD62 Start 1 0 No 0030 Setting item CH1 Present value Curent value Setting value CH1 Overflow detection flag CH1 Down count command CH1 Count enable command CH2 Present value CH2 Overflow detection flag CH2 Down count command CH2 Count enable command XZY Monitor Test XZY Monitor Test Preset function Preset Coincidence output function
103. ounter module error SP UNIT DOWN H W error time PLC is detected Stop default Continue Even if a high speed i operation mode Continue counter module error is detected the The error SP UNIT DOWN is detected if the module READY flag is not in ready due to module hardware failure CPU module continues running a program for modules other than the faulty one 121 uoneJedo Jadojaneq x9 g xipueddy L9 JoyeunByuoD X9 pue JedojeA eg x9 Burs ueuM g xipueddy 3 Switch setting Open the I O assignment tab X Parameter gt PLC parameter I O assignment Switch setting button Switch setting for I O and intelligent function module Input format Select HEX Built in 1 0 function Intelli Conca Item Setting item Description Pulse input mode 0 1 phase multiple of 1 1 1 phase multiple of 2 O L H 2 CW CCW Select a pulse input mode 3 2 phase multiple of 1 4 2 phase multiple of 2 5 2 phase multiple of 4 Counting speed setting 0 10kPPS 1 100kPPS Select a counting speed 2 200kPPS 3 500kPPS LD62D only Switch 1 for CH1 Counter type 0 Linear counter Select a counter type 1 Ring counter Switch 2 for CH2 The setting items are the same as those for Switch 1 for CH1 Switch 3 Blank Switch 4 Leave the fields blank if values have bee
104. p short circuit fire or malfunction When disconnecting the cable from the module do not pull the cable by the cable part For the cable with connector hold the connector part of the cable Pulling the cable connected to the module may result in malfunction or damage to the module or cable Prevent foreign matter such as dust or wire chips from entering the module Such foreign matter can cause a fire failure or malfunction A protective film is attached to the top of the module to prevent foreign matter such as wire chips from entering the module during wiring Do not remove the film during wiring Remove it for heat dissipation before system operation Ground the shield cable on the encoder side relay box Always ground the FG and LG terminals to the protective ground conductor Failure to do so may cause malfunction Mitsubishi programmable controllers must be installed in control panels Connect the main power supply to the power supply module in the control panel through a relay terminal block Wiring and replacement of a power supply module must be performed by qualified maintenance personnel with knowledge of protection against electric shock For wiring methods refer to the MELSEC L CPU Module User s Manual Hardware Design Maintenance and Inspection Startup and Maintenance Precautions NWARNING Do not touch any terminal while power is on Doing so will cause electric shock or malfunction Shut off the external powe
105. ple of inappropriate wiring Shielded twisted pair cable LD62 24V Because currents flow in the same direction in the shielded twisted pair cable canceling effect will be lost and electromagnetic induction may occur Phase A ABCOM Jepoou3 ue pue e npo N Jejuno2 peeds ybiy ey ueewjeg DBuulM Jo s jdwexg g9 External 24VDC power supply ov 47 2 Example of wiring with a voltage output type encoder 5VDC LD62 Encoder 24V A20 A13 12V B20 B13 Shielded twisted pair cable B19 B12 24V A18 A11 B18 B11 5V H A17 A10 svbc External power supply WO Ow In parentheses terminal numbers of channel 2 are shown 3 Example of wiring with a line driver equivalent to AM26LS31 encoder LD62D Encoder pee ea ae el eee eed Phase Digital A isolator i B20 B14 L i E a B A19 A13 ee a ee aa 9 Phase Digital B isolator B19 B13 l vccQO VCC External power supply 1 0v Qu In parentheses terminal numbers of channel 2 are shown CHAPTER 6 INSTALLATION AND WIRING 6 4 Examples of Wiring Between a Controller and External Input Terminals 1 When the controller sync load type has a
106. power supply to activate the settings 0 After writing the contents of the switch settings reset the CPU module or turn off and on the power supply to activate the settings 7 1 Adding a Module Add the model name of the high speed counter module used for the project 1 How to add a module Open New Module X Project window gt Intelligent Function Module Right click gt New Module New Module Module Selection Module Type Counter Module Module Name L062 Mount Position Ed zl Mounted Slot No 0 Acknowledge I O Assignment IV Specify start XY address 0010 H 1 Module Occupy 16 points Title Setting Title Item Description Module Type Select Counter Module Module Selection Module Name Select the model name of the module to be connected Mounted Slot No Select the number of the slot where the module is mounted Mount Position Specify start XY The start I O number hexadecimal of the module mounted on the slot set to address Mounted Slot No is displayed This item can be set by user Title Setting Title Enter a title 53 ainpoy e Buippy L Z 7 2 Switch Setting Set a pulse input mode counting speed and counter type for each channel 1 Setting method Open Switch Setting D Project window gt Intelligent Function Module gt Model name 7 Switch Setting Switch Setting 0010 LD62 Item CH2
107. press the button Input item Setting range Input item Upper limit value Lower limit value Ring counter upper limit value 2147483647 2147483648 6 Ring counter lower limit value RING COUNT MIN screen 1 Move the cursor using the 4 and gt buttons increase or decrease the cursor position value using the A and YW buttons and press the button Input item Setting range Input item Upper limit value Lower limit value RING COUNT MIN 2147483647 2147483648 7 Counter function selection COUNTER FUNC screen 1 Use the A and V buttons to select COUNT DISABLE LATCH SAMPLING or PERIODIC PULSE and press the button sueeJog eBueu enjeA Bumes Jo 1s 6 8 Sampling periodic time setting SAMPLING PERIOD screen 1 Move the cursor using the 4 and p gt buttons increase or decrease the cursor position value using the A and WV buttons and press the D DM n Input item inue Setting range Upper limit value Lower limit value SAMPLING PERIOD 65535 1 87 CHAPTER 10 PRocRAMMING This chapter describes basic programs of the high speed counter module 10 1 Using the Module in Standard System Configuration This section describes the system configuration and program examples based on conditions 1 System configuration The following figure shows an example using the high speed counter module in standard system configuration High sp
108. r does it confer any patent licenses Mitsubishi Electric Corporation cannot be held responsible for any problems involving industrial property rights which may occur as a result of using the contents noted in this manual 2010 MITSUBISHI ELECTRIC CORPORATION 130 WARRANTY Please confirm the following product warranty details before using this product 1 Gratis Warranty Term and Gratis Warranty Range If any faults or defects hereinafter Failure found to be the responsibility of Mitsubishi occurs during use of the product within the gratis warranty term the product shall be repaired at no cost via the sales representative or Mitsubishi Service Company However if repairs are required onsite at domestic or overseas location expenses to send an engineer will be solely at the customer s discretion Mitsubishi shall not be held responsible for any re commissioning maintenance or testing on site that involves replacement of the failed module Gratis Warranty Term The gratis warranty term of the product shall be for one year after the date of purchase or delivery to a designated place Note that after manufacture and shipment from Mitsubishi the maximum distribution period shall be six 6 months and the longest gratis warranty term after manufacturing shall be eighteen 18 months The gratis warranty term of repair parts shall not exceed the gratis warranty term before repairs Gratis Warranty Range 1 The r
109. r supply all phases used in the system before cleaning the module or retightening the connector screws Failure to do so may result in electric shock Startup and Maintenance Precautions NCAUTION Do not disassemble or modify the module Doing so may cause failure malfunction injury or a fire Shut off the external power supply all phases used in the system before mounting or removing a module Failure to do so may cause the module to fail or malfunction After the first use of the product module and display unit do not connect disconnect the product more than 50 times in accordance with IEC 61131 2 Exceeding the limit may cause malfunction Tighten the connector screws within the specified torque range Undertightening can cause drop of the component or wire short circuit or malfunction Overtightening can damage the screw and or module resulting in drop short circuit or malfunction Before handling the module touch a conducting object such as a grounded metal to discharge the static electricity from the human body Failure to do so may cause the module to fail or malfunction Disposal Precautions NCAUTION When disposing of this product treat it as industrial waste CONDITIONS OF USE FOR THE PRODUCT 1 Mitsubishi programmable controller the PRODUCT shall be used in conditions i where any problem fault or failure occurring in the PRODUCT if any shall not lead to any major or serious a
110. ram Are CHO Counter value coincidence point No 1 X2 X9 and CHLI Counter value coincidence point No 2 X6 XD off Reset turn off CHO Counter value coincidence point No 1 X2 X9 and or CHO Counter value coincidence point No 2 X6 XD using CHO Coincidence signal No 1 reset command YO Y8 and or CHO Coincidence signal No 2 reset command Y7 YF 11 6 Present Value Cannot be Replaced with the Preset Value Check item Action Is CHO External preset request detection X4 XB off Reset turn off CHO External preset request detection X4 XB using CHO External preset detection reset command Y5 YD Is the external wiring for the preset input terminal correct Check the external wiring and make necessary corrections 110 CHAPTER 11 TROUBLESHOOTING 11 7 Pulse Waveform Shaping Method An effective method for pulse shaping is to apply a dummy resistance of several hundreds ohms several watts across pulse input terminals connected to a pulse generator to increase a load current through the cables This method becomes more effective as the load current value increases The following figure shows an example of dummy resistance connection when the signal level is at 24VDC Dummy resistance connection example at 24VDC LD62 Shielded twisted pair cable B19 B12 6 8kQ 1 3W A18 A11 Phase Apply a dummy resistance of severa
111. resent value Latch count Sampling count count current value count value s previous value value CH1 Un G2 Un G12 Un G14 Un G16 Un G18 Un G3 Un G13 Un G15 Un G17 Un G19 Buffer memory address CH2 Un G34 Un G44 Un G46 Un G48 Un G50 Un G35 Un G45 Un G47 Un G49 Un G51 2 Stored data The present value and the counter function selection count values are stored in the buffer memory areas in 32 bit signed binary The buffer memory data is automatically updated by counting operation The latest count value can be read from the buffer memory Point Read the present value and counter function selection count values by two words at a time If the values are read by one word at a time the lower word data and the higher word data will be inconsistent when the count value is updated during reading and an incorrect count value may be read Program example xo BE E Inappropriate program example The present value may change while CH1 Present value L Un G2 and CH1 Present value H Un G3 are read UO DMOV G2 xo i UO MOV G2 DO UO MOV G3 D1 CHAPTER 8 FUNCTIONS 8 2 Selecting Counter Type Select a counting method in the switch setting 1 Setting method 1 Set Counter format to Linear Counter or Ring Counter pa Project window Intelligent Function Module gt Model name Switch Setting Switch Setting 0010 LD62 Pulse inpu
112. rison with the present counter value is stored in this area Two coincidence detection output points CHO Coincidence output point No 1 Un G4 Un G5 Un G36 Un G37 and CHO Coincidence output point No 2 Un G6 Un G7 Un G38 Un G39 can be set for each channel The setting range is from 2147483648 to 2147483647 32 bit signed binary 4 CHO Overflow detection Un G8 Un G40 When the counter type is set to linear counter overflow status is stored in this area Either of the following values is stored based on overflow status Status Stored value No overflow detected 0 Overflow detected 1 5 CHO Counter function selection Un G9 Un G41 A value to select the counter function is stored in this area The following table shows the setting value for each function Counter function Setting value Count disable function 0 Latch counter function 1 Sampling counter function 2 Periodic pulse counter function 3 6 CHO Sampling periodic time setting Un G10 Un G42 A time value for the sampling counter function or the periodic pulse counter function is stored in this area The setting range is from 1 to 65535 16 bit signed binary The unit of time is 10 ms 14 To set a value between 32768 and 65535 store the value in hexadecimal For example store F424 to set 62500 Ex Storing 420 in this area 420 x 10 4200 ms 116 APPENDICES 7 CHO Sampling periodi
113. rnal control signal Perform the preset function by applying an ON voltage to the preset input terminal for external input CHO Count enable command o Ei ALATA METEN Counter input pulse P CHLI Preset value Un GO Un G1 Un G32 Un G33 Preset command ON preset input terminal OFF CHO External preset ON request detection OFF X4 XB CHO External preset ON detection reset command OFF B uA dd Y5 YD l CHO Present value Un G2 Un G3 Un G34 Un G35 100 1101 to 1123 124 100 101 No Description 1 Write a value to CHO Preset value Un GO Un G1 Un G32 Un G33 in 32 bit signed binary On the rising edge off to on of the preset command A voltage is applied to the preset input terminal the value stored in CHO Present value Un G2 Un G3 Un G34 Un G35 is replaced with the value stored in CHO Preset value Un GO Un G1 Un G32 Un G33 The preset function is performed regardless of the on off status of CHO Count enable command Y4 YC 2 Point While CHO External preset request detection X4 XB is on 3 the preset function cannot be performed even if a voltage is applied to the preset input terminal or CHO Preset command Y1 Y9 is turned on The preset function can be performed when CHLI External preset request detection X4 XB is turned off by turning on CHO External preset detection reset command Y5 YD 4
114. s Japan and other countries Intel Pentium and Celeron are either registered trademarks or trademarks of Intel Corporation in the United States and other countries Ethernet is a registered trademark of Xerox Corp All other company names and product names used in this manual are trademarks or registered trademarks of their respective companies SPREAD Copyright C 1996 FarPoint Technologies Inc 1 32 SH NA 080920ENG D SH NA 080920ENG D 1410 MEE MODEL LD62 D U E MODEL CODE 13JZ49 MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN NAGOYA WORKS 1 14 YADA MINAMI 5 CHOME HIGASHI KU NAGOYA JAPAN When exported from Japan this manual does not require application to the Ministry of Economy Trade and Industry for service transaction permission Specifications subject to change without notice
115. s at least d use shielded cables such as CVVS for the power line 150mm away from high voltage equipment such as a relay or inverter Pay attention to wiring in Relay box the control panel as well Provide the shortest possible distance between the encoder and relay box If the distance from the high speed counter to the encoder is long SN Car SS a voltage drop may occur Using a measuring instrument such as a tester on the terminal block of the relay box check if the voltages in the encoder operation and stop status are within the rated voltage range If a voltage drop is too large increase the cable size Encoder or use a 24VDC encoder that will consume less current Ground the shielded twisted pair cable on the encoder side relay box Shown here is an example of wiring to an open collector output type encoder 24VDC Y Current for encoder To the encoder To dA To B Connect the shielded cable of the encoder to the shielded To the high speed cable of the shielded twisted pair cable in the relay box counter module If the shielded wire of the encoder is not grounded ground it to the relay box as shown by the dotted lines 36 CHAPTER 6 INSTALLATION AND WIRING 4 Requirements for compliance with the EMC and Low Voltage Directives Take the following measures for compliance with the EMC and Low Voltage Directives Install a DC power inside the con
116. t data read signal X4B Sampling count start signal X4C Periodic pulse count data read signal X4D Periodic pulse count start signal Y50 Coincidence confirmation LED signal LY41NT1P Y50 to Y6F Y51 Overflow occurrence confirmation LED signal X30 Module READY X31 CH1 Counter value large point No 1 X32 CH1 Counter value coincidence point No 1 X33 CH1 Counter value small point No 1 X34 CH1 External preset request detection X35 CH1 Counter value large point No 2 X36 CH1 Counter value coincidence point No 2 X37 CH1 Counter value small point No 2 Y30 CH1 Coincidence signal No 1 reset command LD62 X Y30 to X Y3F Y31 CH1 Preset command Y32 CH1 Coincidence signal enable command Y33 CH1 Down count command Y34 CH1 Count enable command Y35 CH1 External preset detection reset command Y36 CH1 Counter function selection start command Y37 CH1 Coincidence signal No 2 reset command Point The input signal X3F is used by the system and is not available for users If a user uses this signal turning off and on the performance of the high speed counter module is not guaranteed CHAPTER 10 PROGRAMMING 6 Program example when intelligent function module parameters are used a Setting parameters Configure initial settings on the parameters Project window Intelligent Function Module LD62 gt Parameter V 0030 LD62 Parameter Display Filter Display All m Item CH1 E Basic setting Set th
117. t mode 1 Phase Multiple of 1 1 Phase Multiple of 1 Counting speed setting 10kpps Counter Format Linear Counter This dialog setting is linked to the Switch Setting of the PLC parameter Default value will be shown in the dialog if the Switch Setting of the PLC parameter contains an out of range value Cancel Item Description Reference Pulses are counted between 2147483648 lower limit value and 2147483647 upper limit value Pulses are repeatedly counted between the values stored in CHO Ring Counter Ring counter lower limit Un G20 Un G21 Un G52 Un G53 and Page 65 Section 8 2 2 CHO Ring counter upper limit Un G22 Un G23 Un G54 Un G55 Linear counter Page 64 Section 8 2 1 63 ed Jejuno Bunosjes 7g 8 2 1 Linear counter function 1 Operation of the linear counter This function counts pulses between 2147483648 lower limit value and 2147483647 upper limit value The preset function and the coincidence output function can be used together Present counter value Overflow Se ee ee 2147483647 gt Counting up a E 2147483648 Overflow 2 Overflow error In linear counter an overflow error occurs if the present counter value falls below 2147483648 lower limit value in counting down or exceeds 2147483647 upper limit value in counting up If an overflow error occurs 1 is stored in CHO Overflow detection Un G8 Un G40 the counting oper
118. tion Sampling time setting 10000ms 0 Periodic time setting 5000ms 0 1 Leave unused channels with the default values 2 Set these items when using the ring counter function 3 Set this item when using the sampling counter function 4 Set this item when using the periodic pulse counter function 4 User devices CHAPTER 10 PROGRAMMING Device Description W1000 and W1001 Device to which the present value is to be written at auto refresh W1002 and W1003 Device to which the latch count value is to be written at auto refresh W1004 to W1005 Device to which the sampling count value is to be written at auto refresh W1006 and W1007 Device to which the periodic pulse count previous value is to be written at auto refresh W1008 and W1009 Device to which the periodic pulse count present value is to be written at auto refresh W1010 Device to which the overflow status storage is to be written at auto refresh X20 Count start signal X22 Coincidence output data setting signal X23 Preset command signal X24 Count stop signal X25 Coincidence LED clear signal QX10 X20 to X2F X26 Counter function start signal X27 Counter function stop signal X29 Latch execution signal X2B Sampling count start signal X2D Periodic pulse count start signal Y30 Coincidence confirmation LED signal ae Overflow occurrence confirmation LED QY10
119. to 5mA i A14 A07 Function start input 12V Off AV or less 0 1mA or less B14 B07 On 4 5 to 5 5V 2 to 5mA B14 BO7 Function start input 5V Off 2V or less 0 1mA or less _ u u Response Offto on On to off time 0 5ms or less 1ms or less 42 CHAPTER 6 INSTALLATION AND WIRING Terminal Operating Input voltage y o ce number 1 X current ae er Internal circuit Signal name Operation guaranteed classification rn Walle guaranteed value EQU1 Operating voltage 10 2 to 30V A06 A05 A06 AOS coincidence output Maximum load current 0 5A point point No 1 2A common Maximum voltage drop at on 1 5V T B06 B05 EQU2 Response time Output ER B06 B05 coincidence output Off to on 0 1ms or less Z Bon eat point No 2 On to off 0 1ms or less rated load resistive load A02 A01 B02 B01 12 24V Input voltage 10 2 to 30V Current consumption 43mA A02 A01 OV TYP 24VDC and all points on common Common to all channels 1 The terminals A03 A04 B03 and B04 are not assigned 2 Coincidence output derating on ratio is as follows ON ratio 100 90 80 70 60 50 40 30 0 10 20 30 40 Ambient temperature c 43 BuulM 779 Se9lAep EUJ8 XO YIM JEU Z 9 3 LD62D differential input sink output type
120. trol panel Usea shielded cable for the DC power when the cable is extended out of the control panel Keep the length of the cables between the high speed counter module and the external devices to 30m or less Usea shielded twisted pair cable and ground the shielded part of the cable to the control panel with the AD75CK type cable clamping Mitsubishi Inside of control panel jnpow Jejunoo peads uBip 20 to 30cm Pd iu i 5CK For details on the AD75CK refer to the following AD75CK type Cable Clamping Instruction Manual BuulM 779 suonneoaud BuulM L z 9 37 Take the following noise reduction measures when wiring a connector for external devices Example of wiring using a shielded cable The following figure shows an example of wiring for noise reduction using the AGCON1 Connector A6CON1 From the controller Shielded cable X From the encoder To the external device ias Ground the shortest possible FG wire of 2mm or more Ground it to the panel on the high speed counter module side The length between the connector and shielded cables should be the shortest possible Example of noise reduction measures taken to shielded cables Take off the jacket of each shield and connect Coat the connector pins with heatshrinkable insulation the shields of the cables with conductive tapes tubes to protect signal lines Exposure of sig
121. type Terminal Operating Input voltage vO Fee number 4 E 3 current mE Internal circuit Signal name Operation guaranteed classification Value guaranteed CH1 CH2 value Phase A pulse input On 21 6 to 26 4V 2 to 5mA 6 8kQ A20 A13 1 3W 24V Off 5V or less 0 1mA or less A20 A13 Phase A pulse input On 10 8 to 13 2V 2 to 5mA B20 B13 12V Off 4V or less 0 1mA or less B20 B13 On 4 5 to 5 5V 2 to 5mA A19 A12 Phase A pulse input 5V Off 2V or less 0 1mA or less C A19 412 B19 B12 B19 B12 ABCOM aisat A48 A41 Phase B pulse input On 21 6 to 26 4V 2 to 5mA 24V off 5V or less 0 1mA or less B18B11 ES man Phase B pulse input On 10 8 to 13 2V 2 to 5mA 12V Off 4V or less 0 1mA or less A17 A10 On 4 5 to 5 5V 2 to 5mA A17 A10 Phase B pulse input 5V Off 2V or less 0 1mA or less Input On 21 6 to 26 4V 2 to 5mA B17 B10 Preset input 24V Off 5V or less 0 1mA or less B17 B10 On 10 8 to 13 2V 2 to 5mA A16 A09 Preset input 12V A16 A09 Off 4V or less 0 1mA or less On 4 5 to 5 5V 2to 5mA B16 B09 Preset input 5V B16 B09 Off 2V or less 0 1mA or less Response Off to on On to off A15 A08 A15 A08 CTRLCOM time 0 5ms or less 1ms or less On 21 6 to 26 4V 2 to 5mA B15 B08 B15 BO8 Function start input 24V Off 5V or less 0 1mA or less A14 A07 On 10 8 to 13 2V 2
122. ue data are read again DMOV G18 D8 X4D F U3 E im PREET MOV K3 G9 1 The periodic pulse counter function is selected Y36 95 uoneunBijuo uiejs s pJepueis ui jnpow eui BuisN LOL 10 2 Connecting the Module to the Head Module 96 Master station station No 0 This section describes the system configuration and program examples based on conditions 1 System configuration The following figure shows a system configuration where the high speed counter module is connected to the head module Power supply module Q62P Power supply module L61P CPU module Q10UDHCPU Head module LJ72GF15 T2 Master local module QJ71GF11 T2 High speed counter module LD62 Input module QX10 Input module LX40C6 Output module QY10 Output module LY10R2 END cover L6EC X Y00 XIY20 X Y30 X Y1000 X Y1010 X Y1020 to to to to to to X Y1F XIY2F X Y3F X Y100F X Y101F X Y102F x ui M X Intelligent device station station No 1 Ethernet cable 1000BASE T Network No 1 2 Programming condition The program counts pulses input to CH1 of the high speed counter module connected to a head module 3 Initial setting Contents Item CH1 CH2 Preset value 2500 0 Coincidence output point No 1 1000 0 Coincidence output point No 2 0 0 Ring counter upper limit 5000 0 Ring counter lower limit 5000 0 Counter function selection User defined Count Disabling Func
123. unction selection start command Y6 YE is on 9 Counting restarts when CHO Counter function selection start command Y6 YE is turned off 78 CHAPTER 8 FUNCTIONS 8 7 Latch Counter Function The function latches the present counter value when a signal is input The following figure shows the relationship among the present counter value the counter function selection start command and CHO Latch count value Un G12 Un G13 Un G44 Un G45 CHO Count enable command ON Y4 YC OFF 150 100 i 50 CHO Present value i i Un G2 Un G3 Un G34 Un G35 i i i 0 i 0 9 4 2 3 4 CHLI Counter function selection start ON command Y6 YE Counter function selection start command OFF function start input 150 i l 130 eo i 100 5 100 i i 8 1 i e 1 1 o i S i j 50 o 90 n CHLI Latch count value i S Un G12 Un G13 Un G44 Un G45 i i 2 NE S 0 On the rising edge of CHO Counter function selection start command Y6 YE or the counter function selection start command function start input of 1 to 4 the present counter value is stored in CHO Latch count value Un G12 Un G13 Un G44 Un G45 The latch counter function is performed regardless the on off status of CHO Count enable command Y4 YC 79 8 8 Sampling Counter Function This function counts pulses input during the specified sampling period T The following fig
124. ure shows the relationship between the signals and the buffer memory areas CHO 200 100 CHO Present value Un G2 Un G3 Un G34 Un G35 0 5 Count enable command ON Y4 YC OFF CHO Counter function selection start ON command Y6 YE OFF Counter function selection start command function start input T T T gt 00 100 2 4 CHO Sampling count value i i Un G14 Un G15 Un G46 Un G47 l i 0 100 CHLI Sampling periodic counter flag 1 Un G11 Un G43 0 No Description Input pulses are counted from 0 on the rising edge of CHO Counter function selection start command Y6 YE or the counter function selection start command function start input 1 2 Counting stops when the specified sampling period has elapsed While the sampling counter function is performed 1 is stored in CHO Sampling periodic counter flag Un G11 3 lunca3 Even after the sampling counter function is performed the value stored in CHO Sampling count value Un G14 4 Un G15 Un G46 Un G47 is held 5 The sampling counter function is performed regardless the on off status of CHO Count enable command Y4 YC 80 CHAPTER 8 FUNCTIONS 8 9 Periodic Pulse Counter Function This function stores the present and previous counter values to CHO Periodic pulse count present value Un G18 Un G19 Un G50 Un G51 and CHO Periodic pulse
125. y click Incorrect interconnection may cause malfunction failure or drop of the module Do not directly touch any conductive parts and electronic components of the module Doing so can cause malfunction or failure of the module Wiring Precautions NWARNING Shut off the external power supply all phases used in the system before wiring Failure to do so may result in electric shock or cause the module to fail or malfunction Wiring Precautions NCAUTION Individually ground the FG and LG terminals of the programmable controller with a ground resistance of 1009 or less Failure to do so may result in electric shock or malfunction Check the rated voltage and terminal layout before wiring to the module and connect the cables correctly Connecting a power supply with a different voltage rating or incorrect wiring may cause a fire or failure Connectors for external devices must be crimped with the tool specified by the manufacturer or must be correctly soldered Incomplete connections may cause short circuit fire or malfunction Place the cables in a duct or clamp them If not dangling cable may swing or inadvertently be pulled resulting in damage to the module or cables or malfunction due to poor contact Tighten the connector screws within the specified torque range Undertightening can cause drop of the screw short circuit fire or malfunction Overtightening can damage the screw and or module resulting in dro

MELSEC-L High-Speed Counter Module User`s Manual

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