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1734-UM006A-EN-P

1. gt software s configuration or download the software s configuration to SR S the device updating the device want the existing parameters For more information press F1 uploaded from the module select Upload The following screen will then show the existing parameters Upload Download e T set on the module General Device Parameters 1 0 Defaults EDS Fie Use this pulldown menu to EE o sgo ED 7 e Restore Defaut Values 1 al Download To Device edit or view the parameter Eeer Stat Monto H i NM 3 Parameter T Curent Value Available choices are pes Reaver va 2 A B Z Input Filter 120 Jar parameters E Gesin A 5 Ve Status 6 Gate Interval o Configuration k Ve termas Configuration A H reset ZS PointBus e Age g W Autobaud Disable E 1734 1J A Counter Module 1 RE 12 Sequential AutoAddess ge d amp 1734 IJ7A Counter Module 1 HE R General Device Parameters la Defaults EDS File SC Ss Hep General Device Parameters II Defaults EDS File Groups One S E sige Upload From Device Groups Online z Bestre Defaut Vates Download To Device _ Status Configuration Ze singe Upload From Device All Barometer Help D s Restore Default Values ar Ee z P 1 Curent Value General Device Parameters 1 0 Defaults EDS File Start Monitor Sequential AutoAddiess De Nothing l l l Parameter Help Broadcast Baud Rate 125 kHz Groups Online e Uy From Devi Bro
2. base assembly You also learned how to wire your module Publication 1734 UMO06A EN P August 2000 Chapter 3 In This Chapter Data Table Encoder Counter Module Input and Output Data In this chapter you will learn about the input output data table of your 1734 IJ and IK For more information about See page Data Table 3 1 Detailed Description of Data Table Information 3 2 Configuration Data 3 4 Communicating Real Time Nonreal Time Information 3 8 The following table shows the complete format of the input output data 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 0 Input Information Present Channel Data 32 bit Value of the present counter state Stored Channel Data 32 bit value of the stored accumulated count Status PE EF NR 0 0 0 0 0 0 ZS IBS AS C1 CO ZD 0 Programming Error Code PE 0 0 0 0 E10 E9 E8 E7 E6 E5 E4 E3 E2 P 0 Output Information Counter Control Configuration Information Counter Configuration ZI MD MD MD CF CF CF CF Filter Selection 0 ZF BF AF FS PIP FS Decimal Position 8 bit value used to modify the present channel data display Reserved Time Base 16 bit value used to set the time base Gate Interval 8 bit value used to set the gate interval
3. Configuration Word 10 When either the host transitions to PROGRAM mode or a communication fault G e broken network cable occurs the module copies the safe state word counter control value into its real time working buffer The definitions are identical to those described under Real time Output Data The Encoder Counter Module uses several words to communicate real time input and output data as well as non real time module information i e description revision etc and configuration Assembly 101 is produced for a polled connection Assembly 102 is produced for a Change Of State COS connection Assemblies 103 104 and 106 are by Explicit message only Assembly 105 is consumed in a polled connection Data may be read get or written set using an Explicit Message For example to read the Present Channel Data assembly 10110 6546 can be requested The following table shows the words which can be exchanged Instances Services Field Bytes 101 0x65 Get esent Channel Data atus 102 0x66 Get ored Channel Data 103 0x67 Get esent Channel Data ored Channel Data atus P S S Status P S S P N N A Sl NI SP my gt A 104 0x68 Get 105 0x69 Set Get Counter Control 106 0x6a Set Get Counter Configuration ogramming Error Code Filter Selection Decimal Position Reserved Time Base 2 Gate Interval Scalar Rollover V
4. Firmware A and B inputs not used and not monitored The Rate Measurement mode inherently has Zero Frequency Detection since no A pulses in any sample period are OHz B and Z inputs not used and not monitored Publication 1734 UMO006A EN P August 2000 Preface 4 Publication 1734 UMO06A EN P August 2000 Operational Mode Zero Frequency Input Monitored Detection Counter No None Encoder No None Period Rate Yes Z Only Rate Measurement Y A Only Preface About the Encoder Counter Modules Installing the Encoder Counter Module Table of Contents Important User euer sin iP hee bl ed ok be tee Say AE 2 Purpose of This Manual P 1 Who Should Use This Manual v 94 ahs MEN ee P 1 Related Products and Documentation P 1 European Communities C Directive Compliance P 2 EMG E LEE P 2 Low Voltage Directive Ak EE NEE e E P 2 te P 3 General he Siw che ale PER E Mag E a ea EE 1 1 Introducing the Encoder Counter Modules 1 1 Module Overview EEN EE e ee Gat 1 1 F nctional Overview 4 Weis a hod eae a Mie 1 1 Operating Modes 4 9 8 28 eto hk oS OS eT SOS 1 2 Cou ter NOUS a oder eke Rk ay Bath dee Ce aah aed 1 2 Encoder Modes ire eou EE EE a as 1 3 Period Rate Mode s 3 s E Sees EE 1 5 E TEE 1 6 Rate Measurement Mode a 24 NEE RUE 1 7 New Data Indicator cians re EEN 1 8 Default Configuration o an a ends EEN 1 8 Operating Mode Features 4 5 4 45 5 9G E
5. Scalar 8 bit value used to divide the Z input by 2 Publication 1734 UM006A EN P August 2000 3 2 Encoder Counter Module Input and Output Data 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 0 Rollover Value 32 bit value at which the counter is commanded to rollover Preset Value 32 bit value the counter is to be set to when CP is asserted Counter Control SS Value Detailed Description of Data Table Information Publication 1734 UMO06A EN P August 2000 0 0 0 0 0 VR CP CR Present Channel Data Input Word 1 This is a 32 bit unsigned long word value representing the current count of the 24 bit counter configurations count 0 x1 encoder 1 x2 encoder 2 x4 encoder 4 or the frequency configurations period rate 5 rate measurement 7 The range of values is 0 lt value lt OxOOFFFFFF 16 777 215 Stored Accumulated Channel Data Input Word 2 This is a 32 bit unsigned long word value representing the stored count of the counter at the time of some specified event In counter configurations configurations count 0 x1 encoder 1 x2 encoder 2 x4 encoder 4 without store modes selected these words are not updated With store modes selected they are the stored value of the counter at the time of the specified event ex rising edge of Z input In period rate 5 configurations it is the total accumulation
6. Store Reset Wait Start In mode 3 the rising edge of a pulse input on the Z Gate Reset terminal will stop counting read and store the current counter value in the Stored Accumulated Count word and reset the counter to zero The counter does not count while the input pulse on the Z Gate Reset terminal is high Counting resumes from zero on the falling edge of the pulse at the Gate Reset terminal The stored count information will remain until it is overwritten with new data Store Reset Wait Start Counter has stopped Counting Stop Count Store KS Start Counting and Reset to zero from zero About the Encoder Counter Modules 1 11 Store Count Mode 4 Store Reset Start In mode 4 the rising edge of a pulse input on the Z Gate Reset terminal will store the current counter value in the Stored Accumulated Count word and reset the counter to zero The counter will continue counting while the Z Gate Reset terminal is high The stored count information will remain until it is overwritten with new data Store Reset Start Start Counting Store Count Z and Reset to zero Continue Counting al Z Chapter Summary In this chapter you learned about the kinds of very high speed counter modules and what modes they operate in Read chapter 2 to install your counter module Publication 1734 UMO006A EN P August 2000 1 12 About the Encoder Counter Modules Publication 1734 UMO06A EN P August 2000 Chapter 2 Genera
7. Te Propriate tab File 1734 1J A Counter Module 1 mE General Device Parameterspr 0 Defaults EDS File e default 1 0 characteristics for this device The values are ained from the EDS file Click on the 1 0 Defaults tab to display the default characteristics for this Stiobed module f 1734 4 Produce Connection size 6 Output size 0 Dimu hele Polled o 5 a 1734 IJ Produce Connection size 6 Input hel This screen shows the input output EE 1724 Consume size 1 Output help defaults for the four modes These eae are ER 1734 J Produce Connection size 6 Input help Strobe 1734 J Consume size 1 Output help Polled Cyclic Change of state and B 1734 IJ Produce Connection size 6 Input help Cyclic l 1734 4J Consume size 1 Output help OK Cancel Publication 1734 UMO06A EN P August 2000 Configuring Your Encoder Counter Module 4 7 Click on View File to view the actual EDS file shown at the left You can view the actual EDS file or edit the file 1734 1J7A Counter Module 1 Click on the EDS File tab to display the statistics of the EDS file used to configure this DescText PointIO 1734 IJ A CreateDate 04 06 2000 CreateTime 07 41 42 ModDate 06 09 2000 ModTime 14 19 27 Revision 1 1 Device VendCode t VendName Allen Bradley Company Inc ProdType 109 ProdTypeStr Specialty I O ProdCode 15 MajRev 1 Mi
8. Time Base and Gate Interval Configuration Words SANG 55 i shut eda a Oe eG EEN Scalar Configuration Word 7 Kins Cae ee ws Scalar Selection poesy SGU Sah SENG ES OST ERR Rollover Configuration Word 8 Preset Configuration Word oi Safe State Values Configuration Word 10 Communicating Real Time Nonreal Time Information Configuration OVERVIEW 05 5 x ouaaa aia B59 EEN Adding the Adapter to Your Network Adding I O Modules to Your Network Setting the Counters Paranicters s 4 4 poyalot eo ees 844s Checking I O Status and Viewing Editing the EDS File In This Chapter ENEE TEE EEN Using Instantiated Instances EE EE e E EC SEA EH Using the Indicators for Troubleshooting Specifications for the Encoder Counter Cat No 1734 IJ Specifications for the Encoder Counter Cat No 1734 IK Input Derating Curve for the 1734 IK Encoder Gouriter Module AN Se way OR E48 BENS SA General Introducing the Encoder Counter Modules Chapter 1 About the Encoder Counter Modules In this chapter you will learn about the types of encoder counters their features and capabilities Module Overview The counter modules install into the Point I O terminal base 1734 TB or TBS and interface with the Point I O DeviceNet Pass through 1734 PDN or the Point I O DeviceNet Adapter 1734 ADN The Counter Module serves as a signal conditioner
9. and function block Oe a counter between the customer process signals on the terminal base and the PointBus containing the command information The three main functional blocks are the customer digital I O interface the counter ASIC and the microprocessor Functional Overview The Encoder Counter Module accepts feedback from encoders either single ended or differential pulse generators mechanical limit switches frequencies up to 1 MHz A filter is available with four settings e 50Hz e 500Hz e 5kHz e 50kHz The filter can be turned off to achieve the fastest counting rate The input voltage range is 5Vdc 1734 IJ or 15 24Vdc 1734 IK The module returns the count or frequency in the form of a 24 bit binary number 0 16 777 215 expressed in a 32 bit long word Each counter has a user selectable preset and rollover value associated with it Publication 1734 UMO006A EN P August 2000 1 2 About the Encoder Counter Modules Operating Modes Publication 1734 UMO06A EN P August 2000 The encoder counter modules operate in the following modes e Counter Mode read incoming single phase pulses return a binary count e Encoder Mode read incoming 2 phase quadrature pulses return a binary count e Period Rate Mode count internal clocks during the On period return a frequency e Rate Measurement Mode read pulses during the sample period return a frequency The operation of the counter
10. 0W x 75 5L Environmental Conditions Operational Temperature Storage Temperature Relative Humidity Shock Operating Non operating Vibration 20 to 55 C 4 to 131 F 40 to 85 C 40 to 185 F 5 to 95 noncondensing 30g peak acceleration 11 1 ms pulse width 50g peak acceleration 11 1 ms pulse width Tested 5g 10 500Hz per IEC 68 2 6 Conductors Wire Size Category 14 AWG 2 5mm 22 AWG 0 25mm_2 solid or stranded wire rated at 75 C or higher 3 64 inch 1 2mm insulation maximum 21 Terminal Base Screw Torque 7 pound inches 0 6Nm Publication 1734 UMO006A EN P August 2000 A 2 Specifications Specifications for the Encoder Counter Cat No 1734 IK Publication 1734 UM006A EN P August 2000 Field Wiring Terminations Module 1 0 A 1 Aret 2 B 3 Bret 4 Z 5 Zret 6 Chassis ground 7 Chassis ground Mass 1 15 02 32 60 grams Agency Certification when product is marked CE marked for all applicable directives C Tick marked for all applicable acts DeviceNet compatible as certified by ODVA Inc Publications User Manual 1734 UM004A 1 Use this conductor category information for planning conductor routing as described in publication 1770 4 1 Industrial Automation Wiring and Grounding Guidelines Specifications 1734 IK Encoder Counter Module Input Specifications Number of Inputs 1 1 group of A Areturn B Br
11. 2s in 10ms increments If Sample Period is 50ms and Count 3 then Frequency 3 50ms 60Hz Publication 1734 UMO006A EN P August 2000 1 8 About the Encoder Counter Modules Publication 1734 UMO06A EN P August 2000 New Data Indicator A two bit counter C1 amp CO is updated every time an event occurs indicating that new data is available in the Stored Accumulated Count words Events are defined as Any active gate transition in any of the Store Count Counter or Encoder modes The end of the gate sample period in either the Period Rate modes The end of the programmed sample period in the Rate Measurement mode To use these bits reliably acquisition of data from the Counter Module must occur faster than the events which cause C1 CO to increment When C1 CO is updated a Change Of State COS message can be sent Default Configuration The module s default configuration on startup will be e Counter Mode e 50Hz filter on A B and Z e No time base e Rollover OxOOFFFFFF e Preset 0 No scalar e Counter Control Safe State 0 To modify the default settings to those required for your application refer to chapter 3 About the Encoder Counter Modules 1 9 Operating Mode Features The following table summarizes which features are active in each mode Operating Feature Counter Encoder Period Rate Up Down X1 X2 amp X4 Rate Measurement Preset Y Y N N Rollov
12. 500Hz per IEC 68 2 6 Conductors Wire Size Category 14 AWG 2 5mm 22 AWG 0 25mm2 solid or stranded wire rated at 75 C or higher 3 64 inch 1 2mm insulation maximum 22 Specifications A 3 Terminal Base Screw Torque 7 pound inches 0 6Nm Field Wiring Terminations Module 1 0 A 1 Aret 2 B 3 Bret 4 Z 5 Zret 6 Chassis ground 7 Chassis ground Mass 1 15 02 32 60 grams Agency Certification when product is marked CE marked for all applicable directives C Tick marked for all applicable acts DeviceNet compatible as certified by ODVA Inc 1 Use this conductor category information for planning conductor routing as described in publication 1770 4 1 Industrial Automation Wiring and Grounding Guidelines Input Derating Curve for the 1734 IK Encoder Counter Module 30 28 8 Input Voltage 25 24 Input 20 Voltage Vo 5 10 20 30 40 45 55 Module Ambient Still Air Temperature C Note Exceeding the maximum input voltage can cause permanent damage to the input Publication 1734 UMO006A EN P August 2000 A 4 Specifications Publication 1734 UM006A EN P August 2000 A adding modules to the network 4 2 adding the communication device 4 2 assembly selection 3 8 base assembly mounting 2 1 C CE directives P 2 checking UO status 4 6 class instance attribute editor 5 2 class instance editor 5 1 configur
13. A for a bidirectional count and channel B is used to determine the direction B leads A Count Down B follows A Count Up X2 Multiplying Encoder Mode Quadrature input signals are used to count on leading AND trailing edges of A for a bidirectional count and channel B is used to determine the direction B leads A Count Down B follows A Count Up X4 Multiplying Encoder Mode Quadrature input signals are used to count on leading AND trailing edges of A AND B for a bidirectional count and channel B is used to determine the direction B leads A Count Down B follows A Count Up About the Encoder Counter Modules 1 5 Period Rate Mode The Period Rate Mode will return an incoming frequency and a total accumulated count to the PointBus by gating an internal 5MHz internal clock with an external signal This mode determines the frequency and total number of input pulses by counting the number of internal 5MHz clock pulses over a user specified number of input signal pulses At the end of the specified number of pulses the module returns the frequency 0 1MHz Example of Period Rate Mode A Not Used Input A B Not Used Input B Z S i Input Z Encoder Pulse Generator Gate Reset Scalar 5 MHz Cik 1734 lJ IK Z Input Pulse a a 5 MHz Internal Sampling Clock A al Frequency Updated Here Accumulated Cont UUUUUUUUUUUUUUUUUUUL As
14. Z Fiin 0 149Hz o lo fo lo fo lo f1 fo 2 2 Fri 0 298Hz o lo fo lo fo 1 Jo fo 2 4 Fin 0 596Hz o lo fo lo fa lo Jo fo 2 8 Fri 1 192Hz o lo fo l1 fo lo Jo fo 2 16 Een 2 384Hz o fo 1 Jo fo lo Jo Jo 2 32 Fmin 4 768Hz o l fo lo fo lo Jo fo 2 64 Een 9 537Hz 1 Jo Jo fo fo Jo o fo 2 128 Fin 19 073Hz 1 Where Fmin indicates the frequency at which the zero frequency detect is asserted due to counter overflow Rollover Configuration Word 8 This long word sets the number of counts the counter will accumulate before rolling over For example a value of 1000 will produce a count sequence of 998 999 0 1 2 while incrementing or 2 1 0 999 998 while decrementing Rollover is a 32 bit number with a useable range of 1 lt value lt 0x01000000 16 777 216 In count 0 x1 encoder 1 x2 encoder 2 and x4 encoder 4 configurations it should be specified to some non zero value and in period rate 5 and rate measurement 7 configurations is a don t care Preset Configuration Word 9 This long word sets the preset value the counter will be loaded with when a Counter Preset CP command is issued Preset is a 32 bit number with a range of 0 lt value lt OxOOFFFFFF 16 777 215 Publication 1734 UMO006A EN P August 2000 3 8 Encoder Counter Module Input and Output Data Communicating Real Time Nonreal Time Information Publication 1734 UMO06A EN P August 2000 Safe State Values
15. will lock into place Publication 1734 UMO006A EN P August 2000 2 4 Installing the Encoder Counter Module Installing the Removable Terminal Block A removable terminal block is supplied with your mounting base assembly To remove pull up on the RTB handle This allows the base to be removed and replaced as necessary without removing any of the wiring To reinsert the removable terminal block proceed as follows 1 Insert the RTB end opposite the handle into the base unit This end has a curved section that engages with the mounting base Se Hook the RTB end into the mounting base end gt and rotate until it locks into place Rotate the terminal block into the mounting base until it locks itself in place If an I O module is installed snap the RTB handle into place on the module Removing a Mounting Base To remove a mounting base you must remove any installed module and remove the removable terminal block Gf wired Publication 1734 UMO06A EN P August 2000 1 2 Unlatch the RTB handle on the I O module Pull on the RTB handle to remove the removable terminal block Press in on the module lock on the top of the module and pull up on the I O module to remove from the base Remove the module to the right of the base you are removing The interlocking portion of the base sits under the adjacent module Use a small bladed screwdriver to rotate the orange DIN rail locking
16. 1794 ADN DeviceNet Flex CH Modular DSA WF DeviceNet to SCANpott oo Current Settings Address Data Rate Messages Ejecute tho Hoda Commissioning wol 3 Node Commissioning HE eee et ae 7o uin 5 Node Commissi a Select a device by using the browsing service New Setting A The network data rate should not be changed on an active IN network The new data rate will not take effect until power 2 is recycled T Datarate 125kb z Messages 3 Node Commissioning HES Select a device by using the browsing service Browse Current 1734 1J A Counter Module Settings Address 43 E Data Rate 500KB New 1734 374 Counter Module Settings A The network data rate should not be changed on an a A D network The new network data rate will not take effe L is recycled Addess E Datarate 500kb i Messages a Select a device by using the browsing service Browse Current 1734 74 Counter Module Settings E Address 44 y Data Rate 500KB New 1734 A Counter Module Settings A The network data rate should not be changed on an active JV network The new network data rate will not take effect until power is recycled Addess 4 2 Datarate 500kb 2 Messages eis Go to the pulldown Tools Select Node Commissioning Click on Browse Select the module to change The node commissi
17. A Counter Module These are the tabs you click on to Description view the options Address 40 m Device Identity Primary Vendo Rockwell Automation Allen Bradley 1 Device Specialy DD Product 1734 VHSC24 A Counter Module 14 Catalog fi 734VHSC24 4 Revision bm E gt Cancel Geck Help Refer to the screens below for an explanation of its features Configuring Your Encoder Counter Module 4 5 E 1734 VHSC24 A Counter Module 21 x General Device Para 1 0 Defaults EDS File Click on the Device parameters tab to get to the screen for setting the parameters H A The module s name appears 2 1734VHSC24 A Counter Module here i Kerg Description Type a description here The modules address appears S here This field is read only SE p pa Device Identity Primary Vendor Rockwell Automation Allen Bradley 1 This screen also shows the devs Specayrapay module s device identity Product FT3EVHSCOWA Comer Maei At any point you can click here to finish These fields are read only Coden Tea changing configuration parameters Revision fi 001 IMPORTANT f configuration changes are made in offline mode they do not take effect until the system goes online BS ee X This screen appears after clicking Do you want to upload the configuration from the device updating the on the Device parameters tab If you
18. Allen Bradley Encoder Counter Modules Cat No 1734 IJ and IK User Manual E OH it H FD D D d effi b be gll re 7 Ke Sa Ss Sei L s 2 e 4 a gw Wd de p A y 9 a o A AN r k d d i D d i x 8 f Rockwell Automation Important User Information Because of the variety of uses for the products described in this publication those responsible for the application and use of this control equipment must satisfy themselves that all necessary steps have been taken to assure that each application and use meets all performance and safety requirements including any applicable laws regulations codes and standards The illustrations charts sample programs and layout examples shown in this guide are intended solely for purposes of example Since there are many variables and requirements associated with any particular installation Allen Bradley does not assume responsibility or liability to include intellectual property liability for actual use based upon the examples shown in this publication Allen Bradley publication SGI 1 1 Safety Guidelines for the Application Installation and Maintenance of Solid State Control available from your local Allen Bradley office describes some important differences between solid state equipment and electromechanical devices that should be taken into consideration when applying products such as those described in this publication Reproduction of the contents
19. E UNITED STATES PLEASE REMOVE Reach us now at www rockwellautomation com Wherever you need us Rockwell Automation brings together leading brands in industrial automation including Allen Bradley controls Reliance Electric power transmission products Dodge mechanical power transmission components and Rockwell Software Rockwell Automation s unique flexible approach to helping customers achieve a competitive advantage is supported by thousands of authorized partners distributors and system integrators around the world Americas Headquarters 1201 South Second Street Milwaukee WI 53204 USA Tel 1 414 382 2000 Fax 1 414 382 4444 European Headquarters SA NV avenue Herrmann Debroux 46 1160 Brussels Belgium Tel 32 2 663 06 00 Fax 32 2 663 06 40 Asia Pacific Headquarters 27 F Citicorp Centre 18 Whitfield Road Causeway Bay Hong Kong Tel 852 2887 4788 Fax 852 2508 1846 Publication 1734 UMO006A EN P August 2000 Allen Bradley SEEMED DOQGE aan Automation PN 957395 28 2000 Rockwell International Corporation Printed in the U S A
20. N EE 1 9 Operating Mode Features 1 9 Chapter EE EEN 1 11 General ars mam EE 2 1 Installing the Mounting Base Wiring Base Assembly 2 1 Installing an I O Module sig EE See E 2 2 Installing the Removable Terminal Block 2 4 Removing a Mounting Base 2 ae iy reve dee ets ees 2 4 Wiring the Encoder Counter Modules 2 5 Communicating with the 1734 IJ IK Encoder Counter Modules meee ele ase eae See BRD 2 6 Default Data Map for the 1734 IJ IK Counter Module 2 6 Configuring Your Encoder Counter Module 2 7 Counter Configuration Var eo ot a Yah aes 2 7 E SEET bade HPS Wik NEE 2 8 Scalar OCICS OND e eh dele iow eege acto heat ed 2 8 Chapter e osoei ache va ae ee dao Rats 2 8 Publication 1734 UMO006A EN P August 2000 Encoder Counter Module Input and Output Data Configuring Your Encoder Counter Module Accessing Instantiated Instances Troubleshooting with the Indicators Specifications Publication 1734 UMO06A EN P August 2000 la This Hates EE EG POT ERS gt Data TAS Bice hielo nhs as Sane Ph Gulch GSE Se nh Be Be Be Detailed Description of Data Table Information Stored Accumulated Channel Data Anput Word 2 Module Channel Status and Programming Error Codes erer Words 3 and EE EE E EE EE EE Counter Configuration Configuration Word 1 Filter Selection Configuration Word 2 Decimal Position Configuration Word 3 Ke EE DEE
21. adcast AutoBaud Enable Bas H Single Upload From Device S Parameter Current Value Counter Configuration D _BiesoreDefautVales ay L A B Z Input Filter 120 Parameter Help ER Stat Monitor J Decimal Position 0 D 3 Parameter Current Value Fleserved 15 2 Programming Enor 0 0 Time Base 0 Gate Interval 0 Scalar 0 1 0 0 6777215 Rollover Preset Counter Control Safe State Autobaud Disable oo 40 Ob s 25o Publication 1734 UMO06A EN P August 2000 4 6 Configuring Your Encoder Counter Module 1734 1J A Counter Module 1 General Device Parameters Lo Defaults EDS File To configure your module Groups select Configuration and modify the parameters as desired for your application Upload From Device Download To Device Start Monitor aja Current Value ounter Configuration 0 When complete download to A B Z Input Fiter 120 icki Decimal Position 0 your module by clicking on the i aand Download to Device button 5 Time Base 0 6 Gate Interval 0 You can download each S Se S change as you make it using 8 Rollover 16777215 DER D 9 Preset 0 Single or download all your 10 Counter Control Safe State 0 11 Autobaud Disable changes using All Click here when finished ber Cancel Zon Heb Checking 1 0 Status and You can view the I O defaults setup and the EDS file by clicking on Viewing Editing the EDS
22. alue 4 Preset Value 4 Counter Control SSV 1 Configuration Overview Chapter 4 Configuring Your Encoder Counter Module This chapter describes how to configure your Encoder Counter modules with RSNetworx For more information about See page Configuration Overview 4 1 Adding the Adapter to Your Network 4 1 Adding 1 0 Modules to Your Network 4 2 Setting the Counter s Parameters 4 4 Checking 1 0 Status and Viewing Editing 4 6 the EDS File You must use the RSNetworx for DeviceNet software to configure your module You can configure the module while it is e online or e offline This chapter shows configuration in the online mode Configuration screens appear similar in both modes The primary difference is that if you make changes offline you must go online before the configuration changes take effect Adding the Adapter to Your Network Follow these steps 1 Start the RSNetworx for DeviceNet software Publication 1734 UMO006A EN P August 2000 4 2 Configuring Your Encoder Counter Module 1 Click here to expand the list DN Poin ner of communication adapters Te 1734ADN Pol DeviceNet A a 1747 SDN Scanner Module 2 Double click here to choose E the scanner You can also click and drag the scanner name onto the network Make sure you choose the 1734 ADN Point 1 0 Scanner 1 Click here to expand the list of Specialty modules 2 Double click on the catalog number t
23. and encoder modes is nearly identical The difference between the two modes is in the type of feedback 1 phase vs 2 phase for the count direction up or down In encoder mode a transition is expected on B for counting to proceed in a direction whereas in counter mode the B input may be left at a static level All operating modes are selected by writing appropriate configuration data to the module Counter Mode The counter mode reads incoming pulses and returns a binary number 0 16 777 215 max to the PointBus The counter mode only accepts single phase inputs The module determines the Phase B input state and counts up or down accordingly Channel A input is used as the counting pulse while channel B is used to determine the direction B High Count Down B Low or floating not connected Count Up The Channel B input may be tied high or low for unidirectional counting or toggled for bidirectional counting About the Encoder Counter Modules 1 3 Example of Counter Mode A Input Input A B Direction Input B Z Store Count Input Z Gate Reset Single Phase Pulse Generator 1734 VHSC Count Up Count Down A Input B Input Outputs Count Updated Continuously s Encoder Modes The encoder mode reads incoming pulses and returns a binary number 0 16 777 215 max to the PointBus The encoder mode only accepts 2 phase quadrature inputs The
24. ate Use these indicators for troubleshooting 1734 lJ Module Status beleet 1734 1K Module Status Module Status Network Network Status EN CS Status of Input A Status of Input B Status of Input Z Indication Probable Cause Module Status Off No power applied to device Green Device operating normally Flashing Green Device needs commissioning due to configuration missing incomplete or incorrect Flashing Red Recoverable fault Red Unrecoverable fault may require device replacement Flashing Device is in self test Red Green Publication 1734 UMO06A EN P August 2000 6 2 Troubleshooting with the Indicators Publication 1734 UMO06A EN P August 2000 Indication Probable Cause Network Status Off Device is not on line Device has not completed dup_MAC_id test Device not powered check module status indicator Flashing Green Device is on line but has no connections in the established state Green Device on line and has connections in the established state Flashing Red One or more 1 0 connections in timed out state Red Critical link failure failed communication device Device detected error that prevents it communicating on the network Flashing Communication faulted device the device has detected a Red Green network access error and is in communication faulted state Device has received and accepted an Ident
25. ation 4 1 configuration default 1 8 counter mode 1 2 counter mode operation 1 2 D data table complete format 3 1 decimal position frequency or counter display 3 6 default configuration 1 8 directives European Union P 2 E encoder mode 1 2 encoder mode operation 1 3 F format data table 3 1 G gate interval 3 6 gate interval setting 3 6 input word present channel data 3 2 installation module 2 2 installation removable terminal block 2 4 K keyswitch position 2 3 Index module installation 2 2 module channel error bits 3 2 mounting base removal 2 4 mounting base assembly 2 1 new data indicator 1 8 0 operation counter mode 1 2 operation encoder mode 1 3 operation rate measurement mode 1 7 operation scalar 1 6 P period rate mode operation 1 5 period rate mode 1 2 present channel data 3 2 preset configuration 3 7 rate measurement mode 1 2 rate measurement mode operation 1 7 rollover configuration 3 7 RTB installation and removal 2 4 S safe state configuration 3 8 scalar 3 7 scalar operation 1 6 setting counter parameters 4 4 setting rollover counts 3 7 setting safe state values 3 8 setting the counter gate interval 3 6 setting the preset value 3 7 stored accumulated channel data 3 2 V viewing EDS files 4 6 Z Z gate reset terminal modes of operation 1 9 Z gate reset terminal operation 1 9 Publication 1734 UM006A EN P August 2000 2 Index P
26. bly 101 is produced for a polled connection e Assembly 102 is produced for a Change Of State COS connection e Assemblies 103 104 and 106 are by Explicit message only e Assembly 105 is consumed in a polled connection Data may be read get or written set using an Explicit Message For example to read the Present Channel Data assembly 101 6546 can be requested Data is ordered as followed byte 0 is the least significant byte 8 bit byte Byte 0 16 bit word Byte 0 byte 1 32 bit long word Byte 0 byte 1 byte 2 byte 3 In this example assembly 101 OE Get 04 Assembly 65 Present Data 03 Data Attribute Instances Services Field Bytes 101 0x65 Get Present Channel Data 4 Status 2 102 0x66 Get Stored Channel Data 4 Status 2 103 0x67 Get Present Channel Data 4 Stored Channel Data 4 Status 2 104 0x68 Get Programming Error Code 2 105 0x69 Set Get Counter Control 1 Publication 1734 UMO006A EN P August 2000 5 4 Publication 1734 UMO06A EN P August 2000 106 Ox6a Set Get Counter Configuration Filter Selection Decimal Position Reserved Time Base Gate Interval Scalar Rollover Value Preset Value Counter Control SSV Chapter 6 Using the Indicators for Troubleshooting Troubleshooting with the Indicators Each Encoder Counter module has 5 indicators on the frontpl
27. counter Acceptable values for the scalar are 1 2 4 8 16 32 64 and 128 The default value for each scalar is 1 Note that a 0 scalar is equivalent to a 1 The product of the Sample Period times the scalar should be less than 6 71 seconds in order to avoid a zero frequency detect indication 5 MHz sample time 200ns 16 777 216 counts x 200ns x 2 half cycles of Z 6 71 seconds About the Encoder Counter Modules 1 7 Rate Measurement Mode The Rate Measurement mode determines the frequency and total number of input pulses over a user specified sample period At the end of the interval the module returns a value representing the sampled number of pulses and a value indicating the incoming frequency When the count and frequency are updated any associated outputs are checked against their associated presets Frequency is calculated by dividing the accumulated count by the user selected time period and is returned in the read data Allowable time periods are 10ms to 3s in 10ms increments with a default value of 1s Note that a 0 time period is equivalent to the 1s default Example of Rate Measurement Mode A Input A gt Input B Not Used i Input B Z Not Used Input Z Gate Reset Encoder Pulse Generator Time Base 1734 lJ IK A Input Pulse Internal Sampling Gate Accumulated Count Frequency Calculated Updated Here User Selectable Sample Period 10ms to
28. cted and no gate interval was set OR Gate interval is out of range gt 200 OR Product of time base and gate interval is greater than 3 seconds E2 A time base was entered that is not a multiple of 10 OR Time base is out of range gt 3000 i e 3 seconds E1 ZF BF AF were selected and no filter was programmed OR Multiple filters were selected EO A reserved configuration mode was programmed EEPROM Fault status bit EF If a fault is detected with the EEPROM during power up tests this bit is asserted to 1 It indicates that the content of the EEPROM has been corrupted most likely caused by loss of power during an executing write Not Ready status bit NR Whenever power is applied to the module the hardware must be initialized During this time the NR bit will be asserted and the green module status indicator will flash Z input Status ZS This bit indicates the present status of the Z input 1 indicates Z is ON 0 indicates Z is OFF This bit is unaffected by Z Invert ZI in the Counter Configuration word B input Status BS This bit indicates the present status of the B input 1 indicates B is ON 0 indicates B is OFF A input Status AS This bit indicates the present status of the A input 1 indicates A is ON 0 indicates A is OFF C 1 0 Stored data count This count cycles through 00 01 1 0 11 00 Each time the stored accumulated count words are updated C 1 0 is incremented This
29. e LSW scanner Rx Channel 0 value of present counter state MSW PE EF NR 0 O O O O O ZS BS AS C1 CO BD 0 Where PE Programming EF EEPROM fault status NR Not ready status bi ZS Z input status BS B input status AS A input status C Stored data count ZD Zero frequency detected LSW Least significant word MSW Most significant word Message size 1 byte 07 06 05 04 03 02 01 Consumes 0 scanner Tx VR cP CR CP Counter preset CR Counter reset Where VR Value reset of stored accumulated count Installing the Encoder Counter Module 2 7 Configuring Your Encoder Counter Module Parameter Set Get Description Bytes 1 Set Get Counter Configuration 2 Set Get Filter Selection 3 Set Get Decimal Position 4 Set Get Reserved 5 Set Get Time Base Value 2 6 Set Get Gate Interval 7 Set Get Channel Scalar 8 Set Get Channel Rollover Value 4 9 Set Get Channel Preset Value 4 10 Set Get Counter Control Safe State 1 Counter Configuration 07 06 05 04 03 02 01 00 H MD CF Counter 0 0 0 0 O Counte 0 0 0 Encoder X1 O0 0 1 O Encoder X2 0 0 1 Not used 0 1 0 0 Encoder X4 0 1 0 Period Rate 0 1 1 0 Not used 0 1 1 Rate Measurement 0 0 0 Store Count Disabled 0 0 ode 1 store conti
30. eces Mounting Base 3 Press firmly to seat the mounting base on the DIN rail The mounting base will snap into place 4 To remove the mounting base from the DIN rail remove any installed module and any module immediately to the right and use a small bladed screwdriver to rotate the DIN rail locking screw to a vertical position This releases the locking mechanism Then lift straight up to remove the mounting base 5 Repeat this procedure for the next mounting base assembly Installing an 1 0 Module Installing the Encoder Counter Module 2 3 The module can be installed before or after base installation Make sure that the mounting base is correctly keyed before installing the module into the mounting base In addition make sure the mounting base locking screw is positioned horizontal referenced to the base 1 Using a bladed screwdriver rotate the keyswitch on the mounting base clockwise till the number required for the type of module being installed aligns with the notch in the base 1734 IJ Position 2 Turn the keyswitch to align 1734 IK Position 2 the number with the notch Notch position 3 shown 2 Make certain the DIN rail locking screw is in the horizontal position You cannot insert the module if the locking mechanism is unlocked Make sure the DIN rail locking screw is in the horizontal position 3 Insert the module straight down into the mounting base and press to secure The module
31. er N Software Reset Y y y y Store Count Y Y N N Z Gate Reset 4 modes Scale Input Count at N N Y N Z Gate Reset Z Gate Reset Invert Bit Y Y Y Sample Period N N N Y Operating Mode Features The Z Gate Reset Terminall will operate in one of four modes when the Store Count feature is in use The four figures below detail the operation in each mode Store Count Mode 1 Store Continue In mode 1 the rising edge of a pulse input on the Z Gate Reset terminal will cause the current counter value to be read and stored in the Read Data file The counter will continue counting The stored count will be available in the Stored Accumulated Count word The stored count information remains until it is overwritten with new data Store Continue Read Store Count and Continue Counting Publication 1734 UMO006A EN P August 2000 1 10 About the Encoder Counter Modules Publication 1734 UMO06A EN P August 2000 Store Count Mode 2 Store Wait Resume In mode 2 the rising edge of a pulse input on the Z Gate Reset terminal will read and store the current counter value in the Stored Accumulated Count word and inhibit counting while the Z Gate Reset terminal is high Counting resumes on the falling edge of the pulse at the Z Gate Reset terminal The stored count information will remain until it is overwritten with new data Store Wait Resume Stop Counting Store Count Resume Counting al le Store Count Mode 3
32. ero reverts to 1 to prevent a divide by zero Word 4 is reserved Time Base and Gate Interval Configuration Words 5 and 6 The gate interval byte sets the counter s gate intervall using the time base setting 16 bit word 5 as its time unit Oe its resolution is determined by the time base The actual gate interval is the product of the time base and the gate interval ex 50ms gate interval may be produced with a time base of 10 and a gate interval of 5 or a time base of 50 and a gate interval of 1 The maximum value of the product of time base x gate interval is 3 seconds The gate interval must be entered when rate measurement 7 configurations are used The maximum value is 200 Encoder Counter Module Input and Output Data 3 7 Scalar Configuration Word 7 This bytel scales the Z signal in the period rate 5 configuration If the filter is applied then the filtered Z is scaled Only one bit of the scalar should be set Selecting a scalar will cause accumulated counts to be adjusted accordingly i e selecting a scalar of 128 will increase the accumulated count by 128 after 128 Z pulses have been received It is highly recommended that anytime Z is scaled divide by 2 4 8 etc the Z input should be filtered otherwise noise could cause erroneous frequency readings Scalar Selection o7 06 los o4 03 o2 01 00 scalar o lo fo lo fo lo Jo In
33. eturn and Z Zreturn Input Voltage 15 24V de Input Current 6 1mA 15V de 10 2mA 24V de Input OFF State Current lt 0 250mA max Input OFF State Voltage lt 1 8V de Input ON State Current gt 5MA Input ON State Voltage gt 12 5V dc Maximum ON State Voltage Refer to Input Derating Curve below Input Filter Selections per A B Z Off group 10s 100s 1 0ms 10 0ms Maximum Input Frequency 1 0MHz counter and encoder X1 configurations 500kHz encoder X2 configuration no filter 250kHz encoder X4 configuration no filter General Specifications Module Location 1734 TB TBS TB3 TB3S wiring base assembly Keyswitch Position 2 Pointbus Current 160mA maximum Power Dissipation 1 5W maximum rated load Thermal Dissipation 5 1 BTU hr maximum rated load Isolation Voltage minimum Prequalified at 1250V ac rms between System side Chassis ground A B Z inputs External dc Power No additional external power required to power module Inches Millimeters Dimensions 2 21H x 0 47W x 2 97L 56 0H x 12 0W x 75 5L Environmental Conditions Operational Temperature Storage Temperature Relative Humidity Shock Operating Non operating Vibration 20 to 55 C 4 to 131 F 40 to 85 C 40 to 185 F 5 to 95 noncondensing 30g peak acceleration 11 1 ms pulse width 50g peak acceleration 11 1 ms pulse width Tested 5g 10
34. feature assumes the host s sample rate including network delay and program scan is as fast or faster than the frequency of the event which updates C 1 0 Publication 1734 UMO006A EN P August 2000 3 4 Encoder Counter Module Input and Output Data Zero frequency Detected ZD This bit is operational when frequency configurations are programmed configurations period rate 5 rate measurement 7D In period rate 5 configuration counts are acquired during the ON state of the Z input At very low frequencies the counter saturates indicating a zero frequency detect The time it takes to determine a zero frequency in these two configurations can be as long as 6 7 seconds 16 777 216 counts x 1 5MHz x 2 half cycles of Z In rate measurement 7 configuration pulses on the A input are counted over a sample interval specified by the time base The time it takes to determine a zero frequency in this configuration will be determined by the sample interval ex time base 0 300 second 200 milliseconds to determine ZF Configuration Data The following represents the configuration data used by the 1734 VHSC24 module 1 Set Ge Counter Configuration 1 2 Set Ge Filter Selection 3 Set Ge Decimal Position 4 Set Ge Reserved 5 Set Ge Time Base 2 6 Set Ge Gate Interval 7 Set Ge Scalar 8 Set Ge Rollover Value 4 9 Set Ge Preset Value 4 10 Set Ge Counter Control SS Value 1 Publicat
35. ify Communication Faulted Request long protocol message Indication Probable Cause Input Status Off Input inactive Yellow Input is active and under control Appendix A Specifications for the Encoder Counter Cat No 1734 IJ Specifications Specifications 1734 lJ Encoder Counter Module Input Specifications Number of Inputs 1 1 group of A Areturn B Breturn and Z Zreturn nput Voltage 5V nput Current 19 1mA 5V de 25 7mA 6V de nput OFF State Current lt 0 250mA max nput OFF State Voltage lt 1 25V dc nput ON State Current gt 5mA nput ON State Voltage gt 2 6V de Maximum ON State Voltage 6V nput Filter Selections Off per A B Z group 10us 100us 1 0ms 10 0ms Maximum Input Frequency 1 0MHz counter and encoder X1 configurations 500k z encoder X2 configuration no filter 250kHz encoder X4 configuration no filter General Specifications Module Location 1734 TB TBS TB3 TB3S wiring base assembly Keyswitch Position 2 Pointbus Current 160mA maximum Power Dissipation 1 1W maximum rated load Thermal Dissipation 3 75 BTU hr maximum rated load Isolation Voltage minimum Prequalified at 1250V ac rms between System side Chassis ground A B Z inputs External de Power No additional external power required to power module Dimensions Inches 2 21H x 0 47W x 2 97L Millimeters 56 0H x 12
36. ing C lick on Yes when this model Therefore there are no names labels or help screen appears prompts to assist you in identifying retrieving and or modifying any device data You assume full responsibility for understanding the impact of your requested action on the device Do you want to continue Publication 1734 UM006A EN P August 2000 5 2 Accessing Instantiated Instances 1 Select the service code Get Single Attribute 2 Select the Receive Data size and radix Bute Word D bytes Double 4 bytes Decimal Hexadecimal Binar Publication 1734 UMO06A EN P August 2000 The Class Instance Attribute editor screen will appear 2 Service Class Instance Attribute Editor Node 43 mm mm 3 Enter the class Get Single Attribute l TTE ne E instance and attribute here 4 Click on Execute to initiate the action For example If you select Instance 101 polled connection the screen will look like this 22 Service Class Instance Attribute Editor Node 43 1 Type in the instance number here This is an example of Aea eal assembly number 102 0x66 bk ie PE The class is always 4 and the al Get Single atribute SZ I cendie einne attribute is always 3 2 Click on execute 3 Data received and status information is recorded here 4 Click on Close to finish Accessing Instantiated Instances 5 3 Assemblies Available assemblies are e Assem
37. ion 1734 UM006A EN P August 2000 Encoder Counter Module Input and Output Data 3 5 Counter Configuration Configuration Word 1 Use this byte to select the type of counter desired 07 06 05 04 03 02 01 00 Zl MD CF Counter 0 0 0 Counte 0 Encoder X1 1 0 Encoder X2 2 r ES E Reserved 0 Encoder X4 oO CH Period Rate 0 1 1 0 Reserved 0 1 1 Rate Measurement 0 0 Store Count Disabled 0 ode 1 store continue 1 0 ode 2 store wait resume CO OO OO CH ode 3 store reset wait start 0 ode 4 store reset start ojl CH Reserved 1 1 0 Reserved 1 1 Reserved 0 Z input 0 not inverted 1 Z input 1 inverted Filter Selection Configuration Word 2 This byte sets the A B Z input filters Filter Selection 07 06 05 04 03 02 01 00 0 ZF BF AF FS 0 10 JO J0 No Filter 0 0 O 1 50kHz 10s 0us 1 6us 0 0 1 0 5kHz 100 s Ous 13 2uUs 0 1 0 0 500Hz 1 0ms 0us 125us 1 0 10 0 50Hz 10ms Oms 1 25ms 0 A input not filtered 1 A input filtered 0 B input not filtered 1 B input filtered 0 Z input not filtered 1 Z input filtered Publication 1734 UM006A EN P August 2000 3 6 Encoder Counter Module Input and Output Data Publication 1734 UMO06A EN P August 2000 Decimal P
38. ion Instructions 1734 TB TBS 1734 5 11 Wiring Base Assembly Installation Instructions 1734 TB3 TB3S 1734 IN013A European Communities EC If this product has the CE mark it is approved for installation within Directive Compliance Publication 1734 UMO06A EN P August 2000 the European Union and EEA regions It has been designed and tested to meet the following directives EMC Directive This product is tested to meet the Council Directive 89 336 EC Electromagnetic Compatibility EMC by applying the following standards in whole or in part documented in a technical construction file e EN 50081 2 EMC Generic Emission Standard Part 2 Industrial Environment e EN 50082 2 EMC Generic Immunity Standard Part 2 Industrial Environment This product is intended for use in an industrial environment Low Voltage Directive This product is tested to meet Council Directive 73 23 EEC Low Voltage by applying the safety requirements of EN 61131 2 Programmable Controllers Part 2 Equipment Requirements and Tests For specific information required by EN 61131 2 see the appropriate sections in this publication as well as Allen Bradley publication 1770 4 1 Industrial Automation Wiring and Grounding Guidelines Open style devices must be provided with environmental and safety protection by proper mounting in enclosures designed for specific application conditions See NEMA Standards publication 250 and IEC publicati
39. iy 2 Sait AE ae f ae File Edit View Network Device Tools Help Le _ M44737 1734 VHSC24 1734 VHSC5 A 1734 IK A GEI DeviceNet Counter Module Counter Module B Counter Module B Category AC Dive P H E Limit Switch Motor Protector D Photoelectric Sensor o EI Rockwell Automation miscellaneous e ET SCANport Adapter EI Smart MCC f Specialty 1 0 d 1734 Counter Module 1734 1K A Counter Module d 1734 Counter Modul H 1734 VHSC5 A Counter Module EMG Vendor AG Rockwell Automation Allen Bradley je NA EH Graph Spreadsheet Master Ske ofl Online NotBrowsing 7 Configuring Your Encoder Counter Module 4 3 The out of the box node setting for 1734 modules is 63 You can change the setting by using the node commissioning tool The node commissioning tool is available either online or offline If you commission a node online you must power down your system before the change takes place IMPORTANT lt DeviceNet RSNetWorx for DeviceNet File Edt View Network Device Tools Help GD AC Drive EI Barcode Scanner EME Communication Adapter ff 1747 SDN Scanner Module 1756 DNB A 1761 NET DNI Device Net BL 1761 NET DNI Series B De Gi 1770KFD RS232 Interface ta H 1771 SDN Scanner Module mb 1784 CPCIDS DeviceNet S It 1784 PCD PCMCIA Interfac at 1784 PCDS Scanner f 1784 PCID DeviceNet Inter Wf 1784 PCIDS DeviceNet Sc Gei 1788 CN20N Linking Devic te
40. l Installing the Mounting Base Wiring Base Assembly Installing the Encoder Counter Module In this chapter you will learn about the Encoder Counter modules and their installation For more information about See page Installing the Mounting Base Wiring Base Assembly 2 1 Installing an 1 0 Module 2 3 Installing the Removable Terminal Block 2 4 Removing a Mounting Base 2 4 Wiring the Encoder Counter Modules 2 5 Communicating with the 1734 lJ IK Encoder Counter Modules 2 6 Configuring Your Encoder Counter Module 2 7 The wiring base assembly 1734 TB or TBS consists of a mounting base cat no 1734 MB and a removable terminal block cat no 1734 RTB or RTBS You can install the assembly or just the mounting base To install the mounting base wiring base assembly on the DIN rail proceed as follows 1 Position the mounting base wiring base assembly vertically above the installed units adapter power supply or existing module 2 Slide the mounting base down allowing the interlocking side pieces to engage the adjacent module or adapter Publication 1734 UMO006A EN P August 2000 2 2 Installing the Encoder Counter Module Publication 1734 UMO06A EN P August 2000 Slide in Writable Label Module Locking Mechanism Insertable 1 0 Module Module Wiring Diagram Mechanical Keying orange RTB Removing Handle DIN Rail Locking Screw orange Z Interlocking Side Pi
41. module senses the relationship between the 2 phases and counts up or down accordingly There are two basic encoder types absolute and incremental A single output incremental encoder is called a tachometer encoder A dual channel incremental encoder with one channel leading the other by 90 is called a quadrature encoder A system using a quadrature encoder may include an optional zero pulse or index serving as a reference mark for system reset The principal disadvantage of a system using incremental encoders is that a power interruption causes the loss of position reference so a system must be reinitialized or returned to a known zero position Absolute encoders typically have higher speed requirements 200 KHz typical for motion control applications An absolute encoder has a unique code associated with each position so the exact position is always known even if the system power is turned off Publication 1734 UMO006A EN P August 2000 1 4 About the Encoder Counter Modules Publication 1734 UMO06A EN P August 2000 Example of Multiplying Encoder Mode X1 A Gate Reset Quadrature Encoder 1734 VHSC Forward Rotation Reverse Rotation set LLL B Input X1 Count X2 Count Outputs Updated X4 Count Continuously X1 Multiplying Encoder Mode Quadrature input signals are used to count on the leading up direction OR trailing down direction edge of
42. nRev 1 ProdName 1734 IJ A Counter Module Catalog 1734 IJ A Params Parami 0 6 20 OF 24 01 30 01 Link Path Size Link Path 0x0000 Descriptor 8 1 Data Type Data Size Counter Configuration C nf igures the counter s operational mode Availabl 0 255 0 Publication 1734 UMO06A EN P August 2000 4 8 Configuring Your Encoder Counter Module Publication 1734 UMO06A EN P August 2000 Chapter 5 In This Chapter Using Instantiated Instances Accessing Instantiated Instances In this chapter you will learn how to access imbedded Instantiated Instances assemblies in the software The Encoder Counter Module uses several words to communicate real time input and output data as well as non real time module information G e description revision etc and configuration These words have been preprogrammed into Instantiated Instances DeviceNet HSNetWorx for DeviceNet RER ae pap e Click on the module to select the Class Instance Editor M44737 1734 VHSC24 1734 VHSC5 A ounter Module 1 Module 1 1734 IKA pi G 1747 SDN Scary co H ven 1761 NET DNI Device Net 3 1761 NET DNI S a 1770KFD Aza thf 1771 5DN Scar hat MN Graph Spreadsheet Master Sle Service Class Instance Attribute Editor x WARNING This editor provides direct access to the i i d device using the native DeviceNet object address
43. nue 0 1 0 ode 2 store wait resume 0 1 ode 3 store reset wait start 1 0 0 ode 4 store reset start 1 0 Reserved 1 110 Reserved 1 1 Reserved 0 Z input 0 not inverted 1 Z input 1 inverted Publication 1734 UMO006A EN P August 2000 2 8 Installing the Encoder Counter Module Filter Selection 07 06 05 04 03 02 01 00 0 ZF BF AF S 0 0 0 0 NoFilter 0 10 0 1 50kHz 10us 0us 1 6us 0 10 1 0 5kHz 100us 0us 13 2us O 1 10 0 500Hz 1 0ms 0us 125us 1 0 10 10 50Hz 10ms Oms 1 25ms 0 A input not filtered 1 A input filtered 0 B input not filtered 1 B input filtered 0 Z input not filtered 1 Z input filtered Scalar Selection 07 06 05 04 03 02 01 00 Scalar O O JO JO JO O JO 1 Z Fring 0 149Hz O O JO JO JO O 1 JO 2 2 fFmin 0 298Hz O O JO JO JO 1 JO JO 2 4 fFmin 0 596Hz O JO JO O 1 JO JO JO 2 8 fFmnin 1 192Hz O O JO 1 JO JO O JO 2 16 Fmin 2 384Hz 0O JO 1 JO JO O J0 JO J 2 82 Fring 4 768H2 O 1 JO JO JO O O 0 2 64 Fmin 9 537Hz 1 O O JO O O JO 0 2 128 Fmin 19 073Hz 1 Where Fin indicates the frequency at which the zero frequency detect is asserted due to counter overflow Chapter Summary In this chapter you learned how to install your module and mounting
44. o choose the module You can also click and drag the module name onto the network Publication 1734 UM006A EN P August 2000 2 Add the communication device as shown below In this case the chosen device was a 1734 ADN DeviceNet Scanner Eie Edt View Network Device Tools Help EH els ulel i Sele Gale ele ea Hardware x 1734 ADN EMG DeviceNet a Paint 1 0 B Category Scanner EI AC Drive T E Barcode Scanner et Communication Adapter lt The scanner appears oo on the network 1761 NET DNI Device Net Inter E 1761 NET DNI Series B Devicel 9 1770 KFD RS232 Interface J 1771 SDN Scanner Module e 1784 CPCIDS DeviceNet Sean e 1784 PCD PCMCIA Interface i 1784 PCDS Scanner RW 1784 PCID DeviceNet Interface 4M 1784 PCIDS DeviceNet Scanne 1788 CN2DN Linking Device H E 1794 ADN DeviceNet Flex 1 0 ES Modular DSA HD DeviceNet to SCANport EI Dodge EZLINK EI General Purpose Discrete 1 0 Generic Device X E RA b M Graph Spreadsheet Mast The scanner must always exist on the DeviceNet network at Node 00 IMPORTANT Adding 1 0 Modules to Your Network After you add the communication device you must add the POINT I O modules connected to the scanner on the PointBus 1 Add modules as shown below In this case the communication device shown is a 1770 KFD DeviceNet RSNetWorx for DeviceNet MEE FST m
45. of unscaled Z pulses i e if scaling is set to 128 after 128 Z pulses the accumulator will increase by 128 counts The maximum frequency that accumulation can follow in period rate mode is 200Hz x scalar value ex 200Hz x 128 is 25kHz Finally in rate measurement 7 configuration it is the total number of pulses seen at the A input accumulated over each period as specified by the product of the time base x gate interval The range of values occupy the entire 32 bit size from 0 lt value lt OXFFFFFFFF 4 294 967 295 Changing the configuration does not clear these words Module Channel Status and Programming Error Codes Input Words 3 and 4 Programming Error bit PE If an incomplete incorrect or conflicting set of configuration parameters are sent to the module the PE bit will be asserted and an error code will be placed in the Programming Error Code word assembly 6816 The module will not enter a normal operational state Encoder Counter Module Input and Output Data 3 3 Bit definitions for the error code are E10 Reserved E9 The decimal point position is outside of acceptable range E8 Reserved E7 Reserved E6 A configuration was selected that requires the scalar and none was programmed OR Multiple scalars were selected E5 The preset is out of range gt OXOOFFFFFF E4 A rollover of zero was programmed OR Rollover is out of range gt 0x01000000 E3 A configuration requiring time base was sele
46. of this copyrighted publication in whole or part without written permission of Rockwell Automation is prohibited Throughout this manual we use notes to make you aware of safety considerations ATTENTION Identifies information about practices Or circumstances that can lead to personal injury or death property damage or economic loss Attention statements help you to e identify a hazard e avoid a hazard e recognize the consequences IMPORTANT Identifies information that is critical for successful application and understanding of the product Allen Bradley is a trademark of Rockwell Automation Preface Purpose of This Manual Who Should Use This Manual Related Products and Documentation Encoder Counter module This manual describes how to install configure and troubleshoot your For Information about See About the Encoder Counter Modules Chapter 1 Installing the Encoder Counter Module Chapter 2 Encoder Counter Module Input and Output Chapter 3 Data Configuring Your Encoder Counter Module Chapter 4 Accessing Instantiated Instances Chapter 5 Troubleshooting with the Indicators Chapter 6 Specifications Appendix A You must be able to use RSNetworx software or similar configuration software to set up and calibrate these modules You must have the capability to download and use Electronic Data Sheet files We assume you know how to do this in this manual If y
47. on 529 as applicable for explanations of the degrees of protection provided by different types of enclosures Definitions Preface 3 The following define the intended operation of the Encoder Counter module Lead Breakage Typically requires a shunt resistor across the load to detect 3 levels of current input states e Open Wire Off Device e Off Wire OK Device Off e On Wire OK Device On This method does not check the input against a time base only that the device wiring current loop is intact Missing Pulse Typically uses an input pulse to reset a watchdog timer fixed or programmable HW This method does detect Lead Breakage since a broken wire will time out the watchdog Zero Frequency Typically uses an input pulse to calculate an input frequency and verify it is above an error threshold This method does detect Lead Breakage since a broken wire will generate a OHz frequency Missing Pulse or Zero Frequency will also detect a customer device stuck high or low since the counter is monitoring for a change in the input state Currently the Counter Encoder Modes do not have Zero Frequency Detection the A amp B inputs are time independent only looking for input edge changes to increment decrement the count value The Period Rate and Continuous Rate modes do have Zero Frequency Detection since the Z input is monitored for Zero Frequency in
48. oning screen returns It displays the node number and data rate Change the node number and Apply The screen will then identify the new setting Click on Close to continue Publication 1734 UMO006A EN P August 2000 4 4 Configuring Your Encoder Counter Module Setting the Counter s Parameters 1 Right click on the module After adding the module to the network you must configure the modules for use IMPORTANT This chapter shows configuration in the online mode Changes set in this mode take effect when you download to the individual module 1 Configure the modules as shown below 2 Click on Properties to M44737 G 1734 VHSC5 A 1734 IJ Sold Counter Module Counter i f You can also left click on the module or name i E and the property screen will pop u e SH D property pop up e Fos trl Fy Delete Del Upload from Device Download to Device Class Instance Editor configure your adapter Publication 1734 UMO06A EN P August 2000 Properties You will see a pop up screen with a series of tabs Each tab provides options view or edit The tabs are shown below and on the following pages These screens are for the 1734 VHSC24 module Identical screens are used for the 1734 VHSC5 module 1734 VHSC24 A Counter Module RE General Device Parameters 1 0 Defaults EDS File 17 1 1734VHSC24 A Counter Module Name 734 VH5C24
49. osition Configuration Word 3 This byte changes the significant digits of the frequency or counter display In the frequency modes period rate 5 rate measurement 7 for example a 2 will move the decimal point left 2 places dividing the frequency value by 100 a 1 moves it right multiplying by 10 The firmware checks for placement to be in the range 4 lt value lt 2 A value outside the range will move the decimal point to the zero position and assert the programming error PE bit Moving the decimal point to the left G e negative allows high frequencies commonly present in rate measurement mode to fit within a single 16 bit word Moving the decimal point to the right G e positive allows low frequencies commonly present in period and continuous rate modes to have resolution displayed to 0 1Hz and 0 01Hz Frequencies should be kept below 3 2kHz for 0 1Hz resolution and below 320Hz for 0 01Hz Scalars of Z 128 Z 64 Z 32 and Z 16 should not be used when positioning is applied 0 is the default setting In the counter modes counter 0 x1 encoder 1 x2 encoder 2 x4 encoder 4 it attenuates the counter display for example 20 divides count 1 by 20 The value may be in the range 0 lt value lt 255 The result of requesting a number other than 1 performs the function COUNT 1 ATTENUATION This is useful for scaling a large counter value to a smaller 16 bit value or a percentage 1 is the default setting and z
50. ou do not refer to your software user manuals or online help before attempting to use these modules The following table lists related 1734 products and documentation Description Cat No Publication POINT 1 0 Technical Data 1734 Series 1734 2 1 Sink Input Module Installation Instructions 1734 B2 IB4 1734 IN051 Source Output Module Installation Instructions 1734 IV2 IV4 1734 IN052 Analog Input Module Installation Instructions 1734 IE2C 1734 IN053 Analog Output Module Installation Instructions 1734 0E2C 1734 IN054 Relay Output Module Installation Instructions 1734 OW2 1734 IN055 Protected Output Module Installation Instructions 1734 OB2E OB4E 1734 INO56 24V Very High Speed Counter Module Installation Instructions 1734 VHSC24 1734 IN003a 5V Very High Speed Counter Module Installation Instruction 1734 VHSC5 1734 INO04A Publication 1734 UMO06A EN P August 2000 Preface 2 Description Cat No Publication 204 Encoder Counter Module Installation Instructions maul 1734 IN005A 5V Encoder Counter Module Installation Instructions 1734 IK 1734 INO06A DeviceNet Communication Interface Installation Instructions 1734 PDN 1734 IN057A POINT 1 0 24V dc Expansion Power Supply Installation Instructions 1734 EP24DC 1734 INO58A Field Potential Distributor Installation Instructions 1734 FPD 1734 IN059A General Installation Instructions All 1734 1734 5 10 Wiring Base Assembly Installat
51. screw on the mounting base to a vertical position This releases the locking mechanism Then lift the mounting base straight up to remove Installing the Encoder Counter Module 2 5 Wiring the Encoder Counter Modules Ternination Module Status Module Network Network Status E Status of Input A Status of Input B Status of Input Z Input A RA Input Aret Input B RA Input Bret InputZ JD OD Input Zret _ OA l Chassis Chassis Ground Gs Ground 42016 A Band Z and Aret Bret and Zret are inputs Chas Gnd Chassis ground Definition Aret Bret Z Zret Chassis ground Sl mm Oil A wl N Chassis ground Publication 1734 UMO006A EN P August 2000 2 6 Installing the Encoder Counter Module Communicating with the 1734 IJ IK Encoder Counter Modules Publication 1734 UMO06A EN P August 2000 I O messages are sent to consumed and received from produced the POINT I O modules These messages are mapped into the processor s memory This POINT I O input output module produces 6 bytes of input data scanner Rx status It consumes 1 byte of output data scanner Tx Default Data Map for the 1734 1J IK Counter Module Message size 6 Bytes 15 14 11 10 09 08 07 06 05 04 03 02 01 00 Produces Channel 0 value of present counter stat
52. sumes symmetrical pulse 50 duty cycle so Period Sample Time On X 2 On amp Off Frequency 1 Period If Count 20 Scalar 1 and Clock Period 1 5 MHz Frequency 1 20 1 X 1 5MHz X2 125 kHz As the frequency of the incoming pulse train at the Z Gate Reset terminal increases the number of sampled pulses from the 5MHz clock decreases Since accuracy is related to the number of pulses received over the sample period the accuracy will decrease with increasing frequencies at the Gate Reset terminal Refer to the following Scaling table Publication 1734 UMO006A EN P August 2000 1 6 About the Encoder Counter Modules Publication 1734 UMO06A EN P August 2000 Relationship Between Sampled Pulses and Input Frequency Input Frequency at Z Gate Sample Pulses for 1 2 Cycle Reset Terminal of Z Gate Reset Pulse 2 5Hz 1M 5Hz 500k 10Hz 250k 20Hz 125k 50Hz 50k 100Hz 25k 200Hz 12 5k 500Hz 5k 1kHz 2 5k 2 Hz 1 25k 5kHz 500 10kHz 250 20kHz 125 50kHz 50 100kHz 25 Scaling the input frequency through the use of a scalar can lessen the decrease in accuracy A scalar value of 1 will only return an accurate input frequency if incoming input pulses have a 50 duty cycle Operation of Scalar In the Period Rate mode the scalar lets the incoming pulse train at the Z Gate Reset pin be divided by a user defined number There is one scalar value for each
53. ublication 1734 UMO06A EN P August 2000 AB uy Allen Bradley Publication Problem Report If you find a problem with our documentation please complete and return this form Pub Title Type Encoder Counter Module User Manual Cat No 1734 lJ 1734 IK Pub No 1734 UMOO6A EN P Pub Date August 2000 957395 28 Check Problem s Type Describe Problem s Internal Use Only L Technical Accuracy C text TT illustration L Completeness procedure step L illustration L definition info in manual What information is missing example guideline ES feature accessibility TT explanation C other info not in manual C Clarity What is unclear IS Sequence What is not in the right order L Other Comments Use back for more comments Your Name Location Phone ReturatetVarketing Communications Allen Bradley 1 Allen Bradley Drive Mayfield Hrs OH 44124 6118Phone 440 646 3176 FAX 440 646 4320 Publication ICCG 5 21 August 1995 PN 955107 82 Other Comments PLEASE FOLD HERE BUSINESS REPLY MAIL FIRST CLASS MAIL PERMIT NO 18235 CLEVELAND OH POSTAGE WILL BE PAID BY THE ADDRESSEE AB Allen Bradley SSES ROCKWELL SOFTWARE DODGE Rockwell Automation 1 ALLEN BRADLEY DR MAYFIELD HEIGHTS OH 44124 9705 NO POSTAGE NECESSARY IF MAILED IN TH

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