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ControlLogix Low-speed Counter Module User Manual, 1756

1. Input Filter Time us Counter Input Fitter Time us Counters Off On 0 7 os oz Tied Counter Features are also available in Output tag See Help Status Offline Rockwell Automation Publication 1756 UM536A EN P April 2012 ok Cancel Appy Help 53 Chapter4 Configure the Module 2 In the Hardware Input Ties area assign counter control functions for individual counters to hardware inputs as described in the table below IMPORTANT A single input can control functionality for multiple counters For example you can tie input 3 to the Up Down Count function for all 8 counters Only one type of counter control function can be assigned to a single input For example you cannot tie both the Count Enable and Reset Count functions to the same input Field Description Configuration Tag Up Down Column Tie to Input Choose the hardware input to control the up and down counting or frequency direction for the corresponding counter Counter x UpDownTieToPt IMPORTANT The Counter x CountDown output tag is active only if the Up Down Count function is not tied to Counter x via a hardware input If a hardware input is tied to Counter x the hardware input overrides the value of the Counter x CountDown output tag Invert Check the checkbox to invert the hardware input so that the corresponding counter counts up when the input is high and Counter x InvertUpDown cou
2. This tag is used in conjunction with the Counter x Window00n tag to create an On Off window If the values in the Counter x Window00n and Counter x Window0Off tags are the same the window is disabled Counter x Window10n DINT Window 1 On Defines the count or frequency value that results in an On status for window 1 The status for window 1 is stored in the Counter x InWindow1 input tag This tag is used in conjunction with the Counter x Window10ff tag to create an On Off window If the values in the Counter x Window10n and Counter x Window1 Off tags are the same the window is disabled Counter x Window10ff 76 DINT Window 1 Off Defines the count or frequency value that results in an Off status for window 1 The status for window 1 is stored in the Counter x InWindow1 input tag This tag is used in conjunction with the Counter x Window10n tag to create On Off window If the values in the Counter x Window10n and Counter x Window10ff tags are the same the window is disabled Rockwell Automation Publication 1756 UM536A EN P April 2012 Module Input Circuit Input Specifications Appendix C Alternate Wiring for Non lEC Type 3 Sensors Topic Page Module Input Circuit 77 Input Specifications 77 Choose a Pull up Resistor for an Open Collector Sensor 78 Open Collector Wiring without a Resistor 78 The following sections provide recommendations on how to use your counter module with an
3. Rockwell Automation Publication 1756 UM536A EN P April 2012 51 Chapter4 Configure the Module 4 Use program logic or the RSLogix 5000 tag editor to define the following values or counter control functions in the module s output tags Value or Counter Control Function Output Tag Window On Off Counter x Window00n Counter x Window0Off Counter x Window10n Counter x Window10ff Preset Counter x Preset Rollover Counter x Rollover Count Enable Counter x DisableCount Reset Count Counter x ResetCount Preset Count Counter x PresetCount Up Down Count IMPORTANT Counter x CountDown In RSLogix 5000 software versions 18 02 00 and later output tag information is sent to the counter module only at the RPI rate defined during configuration For optimal performance use an Immediate Output IOT instruction For example the rung shown below contains an IOT instruction for a counter module in slot 3 Add a similar rung to your last routine within the Main Task to mimic normal output tag processing OT Immediate Output Update Tag Local 3 0 For more information about module tags refer to Appendix B 52 Rockwell Automation Publication 1756 UM536A EN P April 2012 Configure the Module Chapter 4 Configure Hardware Inputs 0 7 You can tie a counter control function for a designated counter to standard hardware inputs 0 7 This ena
4. 8 Rockwell Automation Publication 1756 UM536A EN P April 2012 Module Features Chapter 1 Table 2 Digital 1 0 Module Features continued Feature Description Producer consumer Logix5000 controllers let you produce broadcast and consume receive system shared model tags The module can produce data without having to be polled first by a controller The module produces the data and any owner controller device or 1756 OB16lEF peer output module can consume it The module produces count frequency and pulse width values at the RPI In addition to the RPI the module also produces data whenever a Change of State COS occurs A COS causes an immediate production of data and is triggered by a change in value for these input tags Pt x Data Hardware input transitions On or Off e Counter x InWindow0 Count or frequency value enters or exits window 0 parameters e Counter x InWindow1 Count or frequency value enters or exits window 1 parameters Electronic Keying Electronic keying prevents communication to a module that does not match the type and revision expected For more information see Appendix A RIUP RIUP is an abbreviation for removal and insertion under power The module can be inserted and removed from the chassis while power is applied This flexibility allows you to maintain the module either removing or inserting without disrupting the rest of the controlled process WARNING When you insert or remove a
5. Bottom Guide 20853 M Rockwell Automation Publication 1756 UM536A EN P April 2012 Install the Counter Module Chapter 3 2 Press quickly and evenly to seat the RTB on the module until the latches snap into place 3 Slide the locking tab down to lock the RTB onto the module 20854 M Rockwell Automation Publication 1756 UM536A EN P April 2012 37 Chapter3 Install the Counter Module Remove the Removable If you need to remove the module from the chassis you must first remove the Terminal Block RTB from the module 1 Unlock the locking tab at the top of the module 2 Open the RTB door by using the bottom tab 3 Hold the spot marked PULL HERE and pull the RTB off the module nooo E i _ 20855 M 38 Rockwell Automation Publication 1756 UM536A EN P April 2012 Install the Counter Module Chapter 3 Remove the Module Follow these steps to remove a module from its chassis from the Chassis 1 Push in the top and bottom locking tabs WAZ 2 Pull the module out of the chassis 0 6D hy GEV a se R EN EAS I e Eon BSN Rockwell Automation Publication 1756 UM536A EN P April 2012 39 Chapter3 Install the Counter Module Notes 40 Rockwell Automation Publication 1756 UM536A EN P Ap
6. Chapter4 Configure the Module Create a New Module Before configuring a module make sure you complete these procedures in RSLogix 5000 software e Create a controller project e Ifyou plan to add the module to a remote chassis add ControlNet or EtherNet IP communication modules to both the local and remote chassis in the I O Configuration tree For more information on ControlLogix ControlNet modules see ControlNet Modules in Logix5000 Control Systems publication CNET UMO0O01 For more information on ControlLogix EtherNet IP modules see EtherNet IP Modules in Logix5000 Control Systems User Manual publication ENET UMO01 IMPORTANT To configure the module you must have the following RSLogix 5000 software version 18 02 00 or later e The Add on Profile AOP for the module available for download at http support rockwellautomation com controlflash LogixProfiler asp Follow these steps to add the module to a local or remote chassis 1 To add the module to a local chassis right click the backplane and choose New Module or To add the module to a remote chassis right click the remote communication module and choose New Module 2 On the Select Module Type dialog box select 1756 LSC8XIB8I and click Create Select Module Type Catalog Module Discovery Favorites Clear Filters Hide Filters 2 Module Type Category Filters v Module Type Vendor Filters Motion v Allen Bradley Other Programmable Lag
7. Rockwell Automation Publication 1756 UM536A EN P April 2012 33 Chapter3 Install the Counter Module Figure 13 Electronic Device Wiring Allen Bradley Bulletin 872 3 wire DC Proximity Sensor Normally Open PNP 12 24V DC Brown Black O 1756 LSC8XIB8I Module Sink Input Wiring 12 24V DC Return Me ane leis a ae GND 1 a 4 31 N 1 o Dje sl M2 Counter Control 7 7D Hardware Inputs 0 7 GND 4 gho 9 E GND 5 QI 2 e N 5 Allen Bradley Bulletin 872 3 wire DC GND 6 g 3i N 6 Proximity Sensor Normally Open NPN GND 7 16 151 N7 CTR GND 0 17 ID CTR 0 CTR GND 1 20 9 CTR 1 12 24V DC Brown CTR GND 2 z 21 fT CTR 2 CTR GND 3 gja 23 ctR 3 Counters 0 7 CTR GND 4 g 2 25 CTR 4 Blue Black CTRGND 5 28 27 EDI CTRS 12 24V DC Return CTR GND 6 T 26 CTR 6 CTR GND 7 E 22 31 E C CTR GND 7 ED 34 33 EDT Not Used Not Used GD 36 35 ID Not Used a Module Source Input Wiring 34 Rockwell Automation Publication 1756 UM536A EN P April 2012 Install the Counter Module Chapter 3 Assemble the Removable eee ae sts bas ee A r Hea gt a the is seated on the module Parts of the 1756 are identified in Terminal Block and Housing bie 2085
8. for explanations of the degrees of protection provided by enclosures Rockwell Automation Publication 1756 UM536A EN P April 2012 25 Chapter3 Install the Counter Module North American Hazardous Location Approval The following information applies when operating this equipment in hazardous locations Products marked CL 1 DIV 2 GP A B C D are suitable for use in Class Division 2 Groups A B C D Hazardous Locations and nonhazardous locations only Each product is supplied with markings on the rating nameplate indicating the hazardous location temperature code When combining products within a system the most adverse temperature code lowest T number may be used to help determine the overall temperature code of the system Combinations of equipment in your system are subject to investigation by the local Authority Having Jurisdiction at the time of installation Informations sur l utilisation de cet quipement en environnements dangereux Les produits marqu s CL 1 DIV 2 GP A B C D ne conviennent qu une utilisation en environnements de Classe Division 2 Groupes A B C D dangereux et non dangereux Chaque produit est livr avec des marquages sur sa plaque d identification qui indiquent le code de temp rature pour les environnements dangereux Lorsque plusieurs produits sont combin s dans un syst me le code de temp rature le plus d favorable code de temp rature le plus faible peut tre utilis pour d
9. Default 10 Configuration Tag Counter x FreqAveragePulseCount Frequency Calculate Timeout Type the amount of time in milliseconds the counter will wait between pulses before it sets the input frequency to zero Valid values 0 10 000 ms Default 1 000 ms Counter x Freqlimeout Enable Filter for this Counter Check the checkbox to enable filtering When filtering is enabled transitions at a counter must remain in the new state for a configured length of time before the module begins counting You can configure the filter time on the Input Configuration tab Counter x FilterEn Window 0 Defined In From the pull down menu choose the method window 0 will use to evaluate Counts incoming pulses Counter x Window0UsesFreq 0 Valid values and Fins default Counter x Window0FreqAverage 0 e Frequency e Average Frequency Frequency Counter x Window0UsesFeq 1 and Counter x WindowFreqAverage 0 Average frequency Counter x Window0UsesFeq 1 and Counter x WindowFreqAverage 1 Window 1 Defined In From the pull down menu choose the method window1 will use to evaluate Counts incoming pulses Counter x Window1UsesFreq 0 Valid values and Counts default Counter x Window 1FreqAverage 0 Frequency e Average Frequency Frequency Counter x Window1UsesFeq 1 and Counter x WindowFreqAverage 0 Average frequency Counter x Window0UsesFeq 1 and Counter x WindowFreqAverage 1
10. REAL Average Frequency Indicates the average frequency of pulses detected by Counter x The modules calculates average frequency over the number of pulses defined in the Counter x FreqAveragePulseCount configuration tag Valid values are gt 0 0 For details about how the module calculates average frequency see Table 3 on page 12 Counter x PulseWidth REAL Instantaneous Pulse Width Indicates the duration in microseconds of the last rising pulse edge to falling pulse edge The accuracy of the instantaneous pulse width is always 11 us regardless of the actual pulse width Valid values are gt 0 0 Counter x PulseWidthAverage REAL Average Pulse Width Indicates the average width of pulses The module calculates average pulse width over the same number of pulses used to calculate the average frequency of pulses Valid values are gt 0 0 For details about how the module calculates average pulse width see Table 3 on page 12 Counter x CountSequence SINT Count Sequence Stores a rolling sequence number for each new count The value increments each time a new count is broadcast to the backplane Valid values are 128 127 Counter x FrequencySequence SINT Frequency Sequence Stores a rolling sequence number for each new average frequency The value increments each time a new average frequency is calculated Valid values are 128 127 Counter x PulseWidthSequence SINT Puls
11. calculating 72 frequency if the number of pulses specified in the Counter x FreqAveragePulseCount tag have not been received Valid values 0 10 000 ms Default 1 000 ms Rockwell Automation Publication 1756 UM536A EN P April 2012 Input Tags Table 6 Counter Module Input Tags Name Fault Data Type DINT Tag Definitions Appendix B The input tags in Table 6 indicate the current status of input points The input module sends this data to the controller or peer output module for processing Definition Fault Indicates whether a fault has occurred The controller sets all 32 bits upon a connection loss Fault bits 8 15 are also set by these conditions e Negative values in one or more of the Counter x Rollover Counter x Preset Counter x Window00n Counter x Window00ff Counter x Window10n or Counter x Window1 Off output tags e Preset value gt rollover value Pt x Data BOOL Data Indicates the current On Off value of the corresponding hardware input 0 Off 1 0n Counter x Count DINT Accumulated Count Indicates the accumulated count value currently detected by Counter x Valid values are 0 23 Counter x Frequency REAL Instantaneous Frequency Indicates the frequency of the last pulse detected by a counter Valid values are gt 0 0 For details about how the module calculates instantaneous frequency see Table 3 on page 12 Counter x FreqAverage
12. controller and no fault indication appears Figure 16 Fault Notification in 1 0 Configuration Tree Controller Organizer H E Controller R amp _Controller fs Tasks E Motion Groups Add On Instructions S Data Types Trends Sa 1 0 Configuration gf 4 1756 EN a Ethernet e The Module Info tab on the Module Properties dialog box displays the module s status along with major and minor faults Figure 17 Figure 17 Module Status and Faults on Module Info Tab W Module Properties Local 3 1756 LSC8XIBBI 1 1 General Connection Module Info Input Configuration Counter Configuration Time Syne Identification Status Vendor Allen Bradley Major Fault None Product Type Communications Adapter Minor Fault None Product Code 1756 EN2T Internal State Unconnected Revision 34 Serial Number 00439706 Configured No Product Name 1756 EN2T A Owned No Module Identity Mismatch Coordinated System Time CST Timer Hardware OK es Timer Sync ed No heno ae ae Rockwell Automation Publication 1756 UM536A EN P April 2012 Troubleshoot the Module Chapter 5 e The Fault tag Figure 18 shows all 32 bits as set when the connection to the module is lost Figure 18 Fault Tag Controller Tags RA_Controller controller fa RA_Controller Show All Tags Name Local3 l Local 3 1 Fault Local3 1 Pt Locak3 1 Counter Fault Type Determination When you are monito
13. default 1 The window evaluates incoming pulses in terms of frequency Counter x Window0FreqAverage BOOL Window 0 Uses Average Frequency f window 0 is set to operate in terms of frequency via the Window0UsesFreq tag this tag determines whether to use instantaneous frequency or average frequency 0 The window uses instantaneous frequency default 1 The window uses average frequency Counter x Window 1UsesFreq BOOL Window 1 Uses Frequency Indicates whether window 1 evaluates incoming pulses in terms of frequency rather than accumulated count 0 The window evaluates incoming pulses in terms of accumulated count default 1 The window evaluates incoming pulses in terms of frequency Counter x Window1FreqAverage BOOL Window 1 Uses Average Frequency f window 1 is set to operate in terms of frequency via the Window1UsesFreq tag this tag determines whether to use instantaneous frequency or average frequency 0 The window uses instantaneous frequency default 1 The window uses average frequency Counter x InvertUpDown BOOL Invert Up Down Function When set inverts the hardware input defined in the Counter x UpDownTieToPt tag so that Counter x counts up when the input is high and counts down when the input is low 0 Not inverted Counter x counts up when the input is low and down when the input is high default 1 Inverted Counter x counts up when the input is high and down when the input is low Counter x InvertCou
14. e Counter x CountEnTieToPt configuration tag 0 7 and the corresponding hardware input is non inverted and low or inverted and high level sensitive or e Counter x DisableCount output tag 1 level sensitive Either the Reset Count hardware input or the corresponding bit in the Counter x ResetCount output tag can determine whether the count is reset Counting is reset to zero under the following conditions e Counter x ResetTieToPt configuration tag 0 7 rising edge sensitive or e Counter x ResetCount output tag 1 rising edge sensitive Either the Preset Count hardware input or the corresponding bit in the Counter x PresetCount output tag can determine whether the count is preset The count is preset to the Counter x Preset value under the following conditions e Counter x PresetTieToPt configuration tag 0 7 rising edge sensitive or e Counter x PresetCount output tag 1 rising edge sensitive 70 Rockwell Automation Publication 1756 UM536A EN P April 2012 Table 5 Counter Module Configuration Tags Tag Definitions Appendix B Name Data Type Definition PtFilterOffOn INT Filter Time Off to On Inputs 0 7 only Defines how long an Off to On input transition must remain in the On state before the module recognizes the transition Valid filter time 0 30 000 ps Default 0 PtFilterOnOff INT Filter Time On to Off Inputs 0 7 only Defines how long a
15. input point 24V high speed DC isolated sink source input module For alternate wiring for use with non IEC Type 3 sensors refer to Appendix D Figure 12 Device Wiring Isolated Wiring 1756 LSC8XIB8I GND 0 2 11 N 0 l DC 1 o GND 1 4 30 N 14 o o o DC 1 DC 2 o GND 2 a 6 51 N 2 o o o DC 2 GND 3 gle 7 N 3 GND 4 gjo EEEN N 4 Module Source Input Wiring oND 12 1f INS o DCS p g DC 6 o lt GND 6 ah 13 N 6 o DC 6 GND 7 QI ie 15E N 7 Jumper Bar Cut to Length ctR GND 0 Eli E cmo 4 CTR GND 1 J20 19 CTR 1 Module Sink Input Wiring CTR GND 2 QD 22 21 ctr 2 CTR GND 3 ala 2 cir O ee CTR GND 4 El 26 25 CTR 4 See Figure 13 for Nonisolated Wiring CTR GND 5 QI 28 27 GDH ctr s proximity sensor wiring cTRGND S FEl so 29 EDL cies o gt CTR GND 7 El 32 31 EDL ctr 7 Or DC oc CTR GND 7 QD 3 Not Used o DC Not Used E 36 35 Not Used 5 Daisy Chain to Other RTBs Simplified Schematic Current Limiter IN x or CTR x Module Display I ControlLogix Backplane Interface X 3 8 gix Backp GND x or CTR GND x
16. is prevented Physical Module Vendor Allen Bradley Product Type Analog Input Module Catalog Number 1756 IF16 Major Revision 3 Minor Revision 2 66 Rockwell Automation Publication 1756 UM536A EN P April 2012 EXAMPLE Electronic Keying Appendix A In the following scenario Disable Keying allows 1 0 communication The module configuration is for a 1756 1A16 digital input module The physical module is a 1756 1B16 digital input module In this case communication is allowed because the two digital modules share common data formats Module Configuration Vendor Allen Bradley nce stay r Product Type Digital Input Module s Diino Mosie sep Catalog Number 1756 1A16 Major Revision 2 pointe ae ra Electronic Keying Disable Keying zl Minor Revision 1 FZ Open Module Properties Communication is allowed Physical Module Vendor Allen Bradley Product Type Digital Input Module Catalog Number 1756 1816 Major Revision 3 Minor Revision 2 Rockwell Automation Publication 1756 UM536A EN P April 2012 67 AppendixA Electronic Keying Notes 68 Rockwell Automation Publication 1756 UM536A EN P April 2012 Appendix B Tag Definitions Topic Page Configuration Tags 70 Input Tags 73 Output Tags 74 Module specific tags and data types are created when you define a module in RSLogix 5000 software The count
17. last count was down 1 Direction of the last count was up 1 The average frequency and average pulse width cannot be calculated on the same pulse due to frequency timeouts Output Tags The output tags in Table 7 on page 75 provide real time control over the module s operation IMPORTANT In RSLogix 5000 software versions 18 02 00 and later output tag information is sent to the counter module only at the RPI rate defined during configuration For optimal performance use an Immediate Output I0T instruction For example the rung shown below contains an IOT instruction for a counter module in slot 3 Add a similar rung to your last routine within the Main Task to mimic normal output tag processing OT Immediate Output Update Tag Local 3 0 74 Rockwell Automation Publication 1756 UM536A EN P April 2012 Tag Definitions Appendix B IMPORTANT _ Keep in mind the following when using frequency as a window comparison method e When configured to compare frequency values window On Off values are still DINT 32 bit signed integers while the returned frequency values are REAL 32 bit IEEE float As a result the frequency triggers for On Off windows can only be defined in 1 Hz increments e Fluctuations in high frequency values across window parameters could cause the window to transition on each pulse if the input frequency is at a window parameter and you are using instantaneous frequency as the comparison met
18. module while backplane power is applied an electrical arc may occur An electrical arc can cause personal injury or property damage as a result of the following e Sending an erroneous signal to your system s field devices causing unintended machine motion or loss of process control e Causing an explosion in a hazardous environment Repeated electrical arcing causes excessive wear to contacts on both the module and its mating connectors Worn contacts may create electrical resistance that can affect module operation Rockwell Automation Publication 1756 UM536A EN P April 2012 9 Chapter1 Module Features Parts Illustration S Item 4 8 o 4 N 7 a CY 3 A bees E My L TPE Else i T a ee kes 41623 Description Backplane connector tThe backplane interface for the ControlLogix system connects the module to the backplane Top and bottom guides Guides provide assistance in seating the removable terminal block RTB onto the module Connector pins Input output power and grounding connections are made to the module through these pins with the use of an RTB Status indicators Indicators display the status of communication module health and presence of input output devices Use these indicators to help in troubleshooting Locking tab the l
19. must remain in the new state for a configured length of time before the module recognizes the transition The filter time is defined in the CounterFilterOffOn and CounterFilterOnOff tags 0 Disable default 1 Enable Counter x UpDownTieToPt SINT Tie Up Down Function to a Counter Defines which standard hardware input 0 7 if any will control up and down counting for Counter x Counter x counts up when the designated standard hardware input is low and counts down when the designated standard hardware input is high If disabled the Counter x CountDown output tag determines the count direction Valid values e 0 7 The standard hardware input number to perform the Up Down control function for Counter x e 1 Disabled The Counter x CountDown output tag determines the count direction default Counter x CountEnTieToPt SINT Tie Count Enable Function to a Counter Defines which standard hardware input 0 7 if any will control when Counter x starts and stops counting Counter x starts counting when the designated standard hardware input is high and stops counting when the designated standard hardware input is low Both the Counter x CountEnTieToPt configuration tag and the Counter x DisableCount output tag can inhibit counting Valid values e 0 7 The standard hardware input number to perform the Count Enable control function for Counter x e 1 Disabled Only the Counter x DisableCount output tag can disable countin
20. terminer le code de temp rature global du syst me Les combinaisons d quipements dans le syst me sont sujettes a inspection par les autorit s locales qualifi es au moment de l installation WARNING EXPLOSION HAZARD rN e Donot disconnect equipment unless power has been removed or the area is known to be nonhazardous e Donot disconnect connections to this equipment unless power has been removed or the area is known to be nonhazardous Secure any external connections that mate to this equipment by using screws sliding latches threaded connectors or other means provided with this product Substitution of components may impair suitability for Class Division 2 If this product contains batteries they must only be changed in an area known to be nonhazardous European Hazardous Location Approval WARNING RISQUE D EXPLOSION e Couper le courant ou s assurer que l environnement est class non dangereux avant de d brancher l quipement e Couper le courant ou s assurer que l environnement est class non dangereux avant de d brancher les connecteurs Fixer tous les connecteurs externes reli s cet quipement l aide de vis loquets coulissants connecteurs filet s ou autres moyens fournis avec ce produit e La substitution de composants peut rendre cet quipement inadapt une utilisation en environnement de Classe Division 2 e S assurer que l environnement est class non dangereux a
21. the specific compatibility details When a module is created the module developers consider the module s development history to implement capabilities that emulate those of the previous module However the developers cannot know future developments Because of this when a system is configured we recommend that you configure your module by using the earliest that is lowest revision of the physical module that you believe will be used in the system By doing this you can avoid the case of a physical module rejecting the keying request because it is an earlier revision than the one configured in the software EXAMPLE In the following scenario Compatible Keying prevents 1 0 communication The module configuration is for a 1756 IB16D module with module revision 3 3 The physical module is a 1756 IB16D module with module revision 3 2 In this case communication is prevented because the minor revision of the module is lower than expected and may not be compatible with 3 3 Module Configuration 175618160 16 Point 10 30V DC Diagnostic Input Vendor Allen Bradley riz Ate Product Type Digital Input Module we Pod Node e Catalog Number 1756 IB16D _ amp Major Revision 3 a E JE Electronic Keying Compatible Keying x Minor Revision 3 I7 Open Module Properties Cancel Help Communication is prevented Physical Module Vendor Allen Bradley Product Type Digital Input Module Catalog Number 1756
22. turns Off at count 5000 Counter x Window00n tag 2000 Counter x Window00ff tag 5000 On Value gt Off Value Counter x InWindow1 remains Off for 3000 counts Counter x InWindow1 Counter x InWindow1 turns Off at count 2000 turns On at count 5000 Counter x Window10n 5000 Counter x Window10ff 2000 The Counter x InWindow0 and Counter x InWindow1 input tags can be consumed by a controller or a 1756 OB16IEF peer output module and used to affect outputs For more information about using peer modules see the ControlLogix Peer I O Control Application Technique publication 1756 ATO016 Rollover Values A rollover value determines how many counts accumulate before the count rolls over to zero The count rolls over to zero on the rollover value Each counter can have one rollover value EXAMPLE A rollover value of 100 produces the following count sequences e Increasing count sequence 98 99 0 1 2 e Decreasing count sequence 2 1 0 99 98 For real time control you define a rollover value in the Counter x Rollover output tag The following criteria applies to a rollover value e The default rollover value is a maximum count of 231 e A rollover value must be a positive DINT value If an invalid rollover value is defined the module will use a value of 2 21 Rockwell Automation Publication 1756 UM536A EN P April 2012 Module Operation Chapter 2 Counter Control Functions The counter mod
23. x as shown in Figure 4 By default the count direction is up Figure 4 Counter x CountDown Output Tag i Controller Tags RA_Controller controller Scope fa RA_Controller v Show All Tags 8 4 Value Local 3 C Local 3 1 Local 3 0 Local 3 0 Counter Local 3 0 Counter 0 Local 3 0 Counter 1 Local 3 0 Counter 1 DisableCount Local 3 0 Counter 1 ResetCount Local 3 0 Counte esetCoun Local 3 0 Counter 1 CountDown Local 3 0 Counter T Rollover 0 Count direction is up level sensitive 1 Count direction is down level sensitive o llollo lo lo ee ee et IMPORTANT The Counter x CountDown output tag is active only if the Up Down Count function is not tied to Counter x via a hardware input If a hardware input is tied to Counter x the hardware input overrides the value of the Counter x CountDown output tag Rockwell Automation Publication 1756 UM536A EN P April 2012 17 Chapter2 Module Operation Figure 5 illustrates the input tag values returned when the Up Down Count function is tied to an input via a hardware input Figure 5 Example of Up Down Count Function 1756 LSC8XIB8I Counting Sensor Counter x I 1 Counter Control Up Down Control Sensor Hardware Input x I Count Up Count Down Counting Sensor PEL LE LE i I I l 1 l l 1 I l 1 i i Counter Control Hardware Input i i i i i 1 I I I I LI Count Total in Counter x Coun
24. 12 Install the Counter Module Chapter 3 In stall the Module You can install or remove the module while chassis power is applied A WARNING When you insert or remove the module while backplane power is on an electrical arc can occur This could cause an explosion in hazardous location installations Be sure that power is removed or the area is nonhazardous before proceeding Repeated electrical arcing causes excessive wear to contacts on both the module and its mating connector Worn contacts may create electrical resistance that can affect module operation The module is sensitive to electrostatic discharge when handled outside of the chassis The module has been tested to withstand an electrostatic discharge while operating within the chassis ATTENTION Prevent Electrostatic Discharge A This equipment is sensitive to electrostatic discharge which can cause internal damage and affect normal operation Follow these guidelines when you handle this equipment e Touch a grounded object to discharge potential static e Wear an approved grounding wriststrap e Do not touch connectors or pins on component boards e Do not touch circuit components inside the equipment e Usea static safe workstation if available Store the equipment in appropriate static safe packaging when not in use Rockwell Automation Publication 1756 UM536A EN P April 2012 27 28 Chapter3 Install the Counter Module Follow these steps to inser
25. 2 IFM40DS24A 4 1492 IFM40F FS24A 4 and 1492 IFM40F FSA 4 RTB Types Use one of these types of RT Bs with your counter module e Cage clamp catalog number 1756 TBCH e Spring clamp catalog number 1756 TBS6H ControlLogix RTBs 1756 TBCH 1756 TBNH 1756 TBSH and 1756 TBS6H Any application that requires agency certification of the ControlLogix system using other wiring termination methods may require application specific approval by the certifying agency ATTENTION The ControlLogix system has been agency certified using only the Each RTP comes with housing Wire the RTB with a 3 2 mm 1 8 in maximum screwdriver before installing it onto the module Cage Clamp Follow these steps to wire a cage clamp 1 Strip 9 5 mm 3 8 in maximum length of wire 2 Insert the wire into the open terminal on the side 3 Turn the screw clockwise to close the terminal on the wire Strain Relief Area 20859 M The open section at the bottom of the RTB is called the strain relief area The wiring from the connections can be grouped with a plastic tie 1 The ControlLogix system has been agency certified using only the ControlLogix RTBs 1756 TBCH 1756 TBNH 1756 TBSH and 1756 TBS6H Any application that requires agency certification of the ControlLogix system using other wiring termination methods may require application specific approval by the certifying agency Rockwell Automation Publication 1756 UM536A EN P Apr
26. 7 CTR GND 0 glis AEN CTR 0 CTR GND 1 D 20 191D ctr 1 CTR GND 2 D2 21 D CTR 2 CTR GND 3 DE 23 E CTR 3 O CTR GND 4 26 25E CTR 4 CTR GND 5 28 27 GDL CTRS 12 24V DC CTR GND 6 Dl 30 2 I CTR 6 i CTR GND 7 l 32 31 EN CTR 7 CTR GND 7 olau 3 6 Not Used Not Used a 36 35 EN Not Used S Rockwell Automation Publication 1756 UM536A EN P April 2012 Numerics 1756 OB161EF module 7 8 14 23 44 45 1756 TBCH cage clamp 31 1756 TBE extended depth housing 32 1756 TBS6H spring clamp 31 A accumulated count 12 alternate wiring 77 assemble removable terminal block 35 average frequency 12 average pulse width 12 C cage clamp 31 calculation average frequency 12 51 average pulse width 12 73 timeout 51 change of state 9 23 74 chassis data transfer 44 local 43 module insertion 28 module removal 38 39 peer control requirements 44 45 power hazard 27 remote 41 44 choose pull up resistor 78 circuit input 33 77 damp cage 31 spring 31 code error 60 fault 59 status 57 compatibility sensor 7 77 compatible keying 63 configuration download 56 configuration tags 70 configure configuration tags 70 connection format 48 connection properties 48 counter 50 filter time 55 hardware input 53 input tags 73 module properties 48 55 output tags 74 requested packet interval 48 connect wires 30 Rockwell Automation Publication 1756 UM536A EN P April 2012
27. 8 M Item Description ssts S 1 JHowsingcover 2 Groove 3 Side edge of RTB 4 RTB 5 Strain relief area Follow these steps to attach the RTB to the housing 1 Align the grooves at the bottom of each side of the housing with the side edges of the RTB 2 Slide the RTB into the housing until it snaps into place IMPORTANT _ If additional wire routing space is required for your application use the extended depth housing catalog number 1756 TBE Rockwell Automation Publication 1756 UM536A EN P April 2012 35 Chapter3 Install the Counter Module Install the Removable Terminal Block 36 This section shows how to install the RTB onto the module to connect the wiring RTB with field side power applied an electrical arc can occur This could cause i WARNING When you connect or disconnect the removable terminal block an explosion in hazardous location installations Be sure that power is removed or the area is nonhazardous before proceeding Before installing the RTB make sure of the following Field side wiring of the RTB has been completed The RTB housing is snapped into place on the RTB The RTB housing door is closed The locking tab at the top of the module is unlocked Align the top bottom and left side guides of the RTB with the guides on the module Top Guide
28. Code catalog number Major Revision and Minor Revision of the physical module and the module created in the software to match precisely to establish communication If any attribute does not match precisely I O communication is not permitted with the module or with modules connected through it as in the case of a communication module Use Exact Match keying when you need the system to verify that the module revisions are exactly as specified in the project such as for use in highly regulated industries 62 Rockwell Automation Publication 1756 UM536A EN P April 2012 Electronic Keying Appendix A Exact Match keying is also necessary to enable Automatic Firmware Update for the module via the Firmware Supervisor feature from a Logix5000 controller EXAMPLE In the following scenario Exact Match keying prevents 1 0 communication The module configuration is for a 1756 IB16D module with module revision 3 1 The physical module is a 1756 IB16D module with module revision 3 2 In this case communication is prevented because the Minor Revision of the module does not match precisely Module Configuration Vendor Allen Bradley mit Sey Product Type Digital Input Module Doarea sie gt Catalog Number 1756 IB16D Major Revision 3 aes reas oe EZ Minor Revision 1 4 Electionic Keying Enact Match I Open Module Properties Cancel Help Communication is prevented Physical Module Vendor Allen Bradl
29. Counter x ResetTieToPt configuration tag 0 7 rising edge sensitive or e Counter x ResetCount output tag 1 rising edge sensitive Invert Check the checkbox to invert the hardware input so that the corresponding counter resets the count to zero only when the Counter x InvertReset input transitions low Preset Count Column Tie to Input Choose the hardware input to control when the count is preset to the value defined in the Counter x Preset output tag Counter x PresetTieToPt IMPORTANT Either the Preset Count hardware input and the corresponding bit in the Counter x PresetCount output tag can determine whether the count is preset The count is preset to the Counter x Preset value under the following conditions e Counter x PresetTieToPt configuration tag 0 7 rising edge sensitive or e Counter x PresetCount output tag 1 rising edge sensitive Invert Check the checkbox to invert the hardware input so that the corresponding counter presets the value only when the input Counter x InvertPreset transitions low 54 Rockwell Automation Publication 1756 UM536A EN P April 2012 Configure the Module Chapter 4 3 Ifyou enabled filtering for one or more counters on the Counter Configuration tab configure the filter times under Counter Input Filter Time Field Description Configuration Tag Off gt On Enter how long an Off to On transition at a counter must remain CounterFilterOffOn in the On state before the module coun
30. EF output module and used to control outputs For more information see Output Control on page 23 and the Peer 1 0 Control Application Technique publication 1756 AT016 Additional 1 0 Module Features Table 2 lists additional features of all ControlLogix I O modules including the counter module Table 2 Digital 1 0 Module Features Feature Configuration software Description RSLogix 5000 software has a custom interface to configure your module All module features can be enabled and disabled through the software Software configurable filter times On to Off and Off to On filter times can be adjusted through RSLogix 5000 software for ControlLogix input modules These filters improve noise immunity within a signal A larger filter value affects the length of delay times for signals from input modules You can configure filter values for the eight hardware inputs and eight counters separately or use no filtering Module fault reporting 1 0 modules provide both hardware and software indications when a module fault occurs Status indicators signal fault conditions RSLogix 5000 software describes the fault message so you know what action to take to resume normal operation Status indicators Status indicators on the front of the module report the operational status of the module Status indicators for counters 0 7 and counter control hardware inputs 0 7 signal the presence of voltage at each terminal
31. IB16D Major Revision 3 Minor Revision 2 Rockwell Automation Publication 1756 UM536A EN P April 2012 Electronic Keying Appendix A EXAMPLE In the following scenario Compatible Keying allows 1 0 communication The module configuration is for a 1756 IB16D module with module revision 2 1 The physical module is a 1756 IB16D module with module revision 3 2 In this case communication is allowed because the major revision of the physical module is higher than expected and the module determines that it is compatible with the prior major revision Module Configuration 1756 1B16D 16 Point 10 30V DC Diagnostic Input Vendor Allen Bradley frie se Product Type Digital Input Module we PiatrewNeaie sa OS Catalog Number 1756 IB16D j O Major Revision 2 Minor Revision 1 Electronic Keying Compatible Keying gt I Open Module Properties Cancel Help Communication is allowed Physical Module Vendor Allen Bradley Product Type Digital Input Module Catalog Number 1756 IB16D Major Revision 3 Minor Revision 2 IMPORTANT Changing electronic keying selections online may cause the 1 0 communication connection to the module to be disrupted and may result in a loss of data Disabled Keying Disabled Keying indicates the keying attributes are not considered when attempting to communicate with a mod
32. Index connection direct 43 Listen only 23 peer module 23 removable terminal block 30 connection format 48 connection properties 48 control peer 23 ControlLogix system 41 45 COS See change of state Count Enable function 19 count value accumulated count 12 average frequency 12 average pulse width 12 instantaneous frequency 12 instantaneous pulse width 12 counter about 11 comparison method 13 configure 50 control functions 15 Count Enable function 19 disable 20 70 limitations 11 On Off values 13 On Off windows 13 Preset Count function 21 Reset Count function 20 rollover value 14 Up Down Count function 16 18 values 12 create data structure 41 major fault 49 module 46 cycle limit 11 D data structure configuration 69 create 41 input 69 output 69 diagnostics 57 60 diagram electronic device wiring 34 mechanical device wiring 33 module operation 18 direct connection 43 disable count function 20 70 75 filter 55 keying 65 disabled keying 65 download configuration 56 79 Index 80 edge sensitive 20 22 electronic device wiring 34 electronic keying 61 electrostatic discharge 27 enable count function 19 75 filter 55 error code 60 exact match keying 62 F fault reporting 8 58 59 features module 8 filter about 8 configuration tags 71 configure 55 disable 55 enable 51 55 firmware revision 5 format connection 48 frequency average 12 instantaneous 12 sequence 73 timeo
33. M536A EN P April 2012 15 Chapter2 Module Operation Up Down Count Function The Up Down Count function causes a counter to increment or decrement accumulated count or changes the direction bit for frequency values To invoke the Up Down Count function for a counter by using the hardware input method tie the function to a hardware input on the Input Configuration tab of the Module Properties dialog box as shown in Figure 3 Figure 3 Up Down Count Function Controlled by Hardware Input E Module Properties Local 3 1756 LSC8XIB8I 1 1 General Connection Module Info Input Configuration Counter Configuration Time Syne Hardware Input Ties Up Down Count Enable Reset Count Preset Count Tie To Tie To o al ii v v o Up Down Count function for counter 1 is tied to hardware input 3 0 m Oo E m o0 Oo oooocoo oooocoo When tied to a hardware input this function is level sensitive resulting in a change of status when the input is either low or high e By default the count direction goes up when the input is low and down when the input is high e When the function is inverted the count direction goes up when an input is high and down when the input is low 16 Rockwell Automation Publication 1756 UM536A EN P April 2012 Module Operation Chapter 2 To invoke the Up Down Count function by using the output tag method use the Counter x CountDown output tag to define the direction of Counter
34. Sensor Compatibility Rockwell Automation Publication 1756 UM536A EN P April 2012 Chapter 1 Module Features Topic Page About the Counter Module 7 Proximity Sensor Compatibility 7 Module Features 8 Parts Illustration 10 The counter module is an eight counter eight input point 24V high speed DC isolated sink source input module The counter module has eight dedicated 40 kHz counters Each counter returns accumulated count instantaneous frequency average frequency instantaneous pulse width and average pulse width The module provides an additional eight inputs that you can assign to counter control functions including Up Down Count Count Enable Reset Count and Preset Count or use as standard hardware inputs Based on onboard comparisons of count or frequency values each counter has two configurable On Off windows that are capable of controlling the On Off behavior of outputs on a 1756 OB16IEF module The counter module is capable of evaluating count values and activating outputs independent of the controller for fast response time Inputs comply with the IEC 61131 2 directive for Type 3 sensors Compatible products include Allen Bradley Bulletin 871 872 and 875 proximity sensors To use the counter module with non IEC Type 3 sensors refer to Appendix C for alternate wiring and recommendations Chapter1 Module Features Module Features The counter module provides the following features Table 1 Cou
35. TD002 Description Provides specifications for ControlLogix 1 0 modules ControlLogix System User Manual publication 1756 UM001 Describes how to install and use traditional and extreme environment ControlLogix controllers ControlLogix Digital 1 0 Modules User Manual publication 1756 UM058 Describes how to install and use ControlLogix digital 1 0 modules ControlLogix Analog 1 0 Modules User Manual publication 1756 UM009 Describes how to install and use ControlLogix analog 1 0 modules ControlLogix Peer 1 0 Control Application Technique publication 1756 AT016 Describes typical peer control applications and provides details about how to configure 1 0 modules for peer control operation Industrial Automation Wiring and Grounding Guidelines publication 1770 4 1 Provides general guidelines for installing a Rockwell Automation industrial system Product Certifications website http www ab com Provides declarations of conformity certificates and other certification details You can view or download publications at http www rockwellautomation com literature To order paper copies of technical documentation contact your local Allen Bradley distributor or Rockwell Automation sales representative Rockwell Automation Publication 1756 UM536A EN P April 2012 Preface Notes 6 Rockwell Automation Publication 1756 UM536A EN P April 2012 About the Counter Module Proximity
36. TTENTION Environment and Enclosure This equipment is intended for use in a Pollution Degree 2 industrial environment in overvoltage Category Il applications as defined in IEC 60664 1 at altitudes up to 2000 m 6562 ft without derating This equipment is considered Group 1 Class A industrial equipment according to IEC CISPR 11 Without appropriate precautions there may be difficulties with electromagnetic compatibility in residential and other environments due to conducted and radiated disturbances This equipment is supplied as open type equipment It must be mounted within an enclosure that is suitably designed for those specific environmental conditions that will be present and appropriately designed to prevent personal injury resulting from accessibility to live parts The enclosure must have suitable flame retardant properties to prevent or minimize the spread of flame complying with a flame spread rating of 5VA or be approved for the application if nonmetallic The interior of the enclosure must be accessible only by the use of a tool Subsequent sections of this publication may contain additional information regarding specific enclosure type ratings that are required to comply with certain product safety certifications In addition to this publication see the following e Industrial Automation Wiring and Grounding Guidelines publication 1770 4 1 for additional installation requirements e NEMA Standard 250 and IEC 60529 as applicable
37. U002 available at http www rockwellautomation com literature Rockwell Otomasyon Ticaret A Kar Plaza Is Merkezi E Blok Kat 6 34752 erenk y stanbul Tel 90 216 5698400 www rockwellautomation com Power Control and Information Solutions Headquarters Americas Rockwell Automation 1201 South Second Street Milwaukee WI 53204 2496 USA Tel 1 414 382 2000 Fax 1 414 382 4444 Europe Middle East Africa Rockwell Automation NV Pegasus Park De Kleetlaan 12a 1831 Diegem Belgium Tel 32 2 663 0600 Fax 32 2 663 0640 Asia Pacific Rockwell Automation Level 14 Core F Cyberport 3 100 Cyberport Road Hong Kong Tel 852 2887 4788 Fax 852 2508 1846 Publication 1756 UM536A EN P April 2012 Copyright 2012 Rockwell Automation Inc All rights reserved Printed in the U S A
38. User Manual Allen Bradley ControlLogix Low speed Counter Module Catalog Number 1756 LSC8XIB8I Allen Bradley Rockwell Software Automation Important User Information Solid state equipment has operational characteristics differing from those of electromechanical equipment Safety Guidelines for the Application Installation and Maintenance of Solid State Controls publication SGI 1 1 available from your local Rockwell Automation sales office or online at http www rockwellautomation com literature describes some important differences between solid state equipment and hard wired electromechanical devices Because of this difference and also because of the wide variety of uses for solid state equipment all persons responsible for applying this equipment must satisfy themselves that each intended application of this equipment is acceptable In no event will Rockwell Automation Inc be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment The examples and diagrams in this manual are included solely for illustrative purposes Because of the many variables and requirements associated with any particular installation Rockwell Automation Inc cannot assume responsibility or liability for actual use based on the examples and diagrams No patent liability is assumed by Rockwell Automation Inc with respect to use of information circuits equipment or software described in t
39. all the Counter Module 3 To key the RTB in positions that correspond to unkeyed module positions insert the straight wedge shaped tab on the RTB with the rounded edge first 20851 M 4 Push the tab onto the RTB until it stops 5 Repeat step 1 step 4 by using additional U shaped and straight tabs until the module and RTB lock into each other properly Connect the Wires Before wiring the module adhere to these wiring guidelines an electrical arc can occur This could cause an explosion in hazardous location installations Be sure that power is removed or the area is nonhazardous before proceeding WARNING If you connect or disconnect wiring while the field side power is on ATTENTION If multiple power sources are used do not exceed the specified isolation voltage ATTENTION When using the 1756 TBCH do not wire more than two 0 33 1 3 mm 22 16 AWG conductors on any single terminal Use only the same size wires with no intermixing of solid and stranded wire types When using the 1756 TBS6H do not wire more than one conductor on any single terminal gt 30 Rockwell Automation Publication 1756 UM536A EN P April 2012 Install the Counter Module Chapter 3 Use an RTB or interface module IFM to connect wires to your module To use an RTB follow the directions below to connect wires to the RTB IFMs are prewired prior to shipping The counter module supports IFM catalog numbers 1492 IFM40F 149
40. ation 43 M mechanical device wiring 33 model producer consumer 9 module about 7 configure 48 55 create 46 diagnostics 57 60 features 8 inhibit 48 overview 7 wiring diagram 33 34 0 On Off window 13 open collector sensor IEC compliant 7 non lEC compliant 77 output control 23 output tags 15 74 P peer connection 23 peer control 5 14 23 44 45 Preset Count function 21 preset value 21 producer consumer model 9 properties connection 48 module 48 55 proximity sensor compatibility 7 pull up resistor 78 pulse cycle limit 11 pulse width 12 average 12 instantaneous 12 sequence 73 remote chassis operation 43 44 removable terminal block assemble 35 catalog numbers 31 connect wires 30 install 36 key 29 remove 38 types 31 wiring recommendations 32 remove counter module 39 removable terminal block 38 requested packet interval about 43 configure 48 Reset Count function 20 resistor pull up 78 revision firmware 5 rollover value 14 RPI See requested packet interval RSLogix 5000 software configuration tags 69 diagnostics 58 download configuration 56 fault reporting 58 input tags 69 73 output tags 69 74 version 5 RTB See removable terminal block Rockwell Automation Publication 1756 UM536A EN P April 2012 Index S sensor compatibility 7 77 sensor open collector IEC compliant 7 non lEC compliant 77 sequence frequency 73 pulse width 73 software diagnostics 58 versio
41. beer heen ae Rae a a 63 Disabled K eyitig sss eis tae Greaves ea Had Vee ek aa SS Fae 65 Appendix B Gonfig rati n Tags eiaei these tenn eet E EE E E 70 J p t Lapsesi aa EPR a A Ree A I EE E T 73 Output aps rns orn rire E E Ea ser A E we a a 74 Appendix C Module Input Circuit eneeneeueeneerrererrrrerrrrrrrrrrrree 77 Input Specifications haspan ei e a aAA E E Ea 77 Choose a Pull up Resistor for an Open Collector Sensor 78 Open Collector Wiring without a Resistor 0 00 e cece ee eee 78 Rockwell Automation Publication 1756 UM536A EN P April 2012 Additional Resources Preface The ControlLogix counter module counts incoming pulses and returns accumulated count instantaneous and average frequencies and instantaneous and average pulse width values The module has two configurable On Off windows per counter that can be used to affect outputs on a 1756 OB16IEF module in the same chassis The counter module requires the following e RSLogix 5000 software version 18 02 00 or later e The Add on Profile AOP for the module available for download at http support rockwellautomation com controlflash LogixProfiler asp e Ability to program and operate an Allen Bradley ControlLogix controller These documents contain additional information concerning related products from Rockwell Automation Resource 1756 ControlLogix 1 0 Modules Specifications Technical Data publication 1756
42. bles the state of an external input device to invoke a specific counter function For more information about counter control functions refer to Counter Control Functions on page 15 IMPORTANT Each of the counter control functions can also be invoked via the output tags for real time control For more information about output tags see Appendix B Follow these steps to configure the module s standard hardware inputs to invoke counter control functions 1 On the Modules Properties dialog box click the Input Configuration tab E Module Properties Local 3 1756 1SC8XIBBI 1 1 General Connection Module Info Input Configuration Counter Configuration Time Syne Hardware Input Ties Up Down Count Enable Reset Count Preset Count Counter Tie To Tie To Tie To Tie To Invert Input Input Invert Input Invert Input Invert None wi None i None si None s None si None s m None s D None None si None s None s None si None si None s None None S None si None si None s None si None si None si None None wi None si None wi None i None wi None O None Si None wi None wi Hardware Input Filters Input Point Enable Fitter o
43. chassis the requested packet interval RPI instructs the module to send its channel and status data to the local chassis backplane at specific time intervals IMPORTANT The RPI value is set during the initial module configuration by using RSLogix 5000 software as described in Configure Connection Properties on page 48 The RPI value can be adjusted when the controller is in Program mode In addition to producing data at the RPI the module also produces data when a change in status occurs for the following input tags Counter x nWindow0 or Counter x InWindow1 Indicates whether the accumulated count or frequency value of Counter x is within the defined window parameters e Pt x Data Indicates the current On Off value of the corresponding hardware input Rockwell Automation Publication 1756 UM536A EN P April 2012 43 Chapter 4 Configure the Module B Local Chassis IMPORTANT Ina peer control operation where the counter module provides peer input data directly to a 1756 OB16IEF module both the counter module and 1756 0B16lEF module must reside in the same physical chassis For more information about peer control refer to the Peer 1 0 Control Application Technique publication 1756 AT016 Remote Chassis Operation A remote chassis contains the module but not the module s owner controller If a module resides in a remote chassis the role of the RPI changes slightly with respect to getting data to the owner con
44. ck cccccececeeeeee 36 Remove the Removable Terminal Block 00 c cece eee eee 38 Remove the Module from the Chassis 000ccceeeeeeeues 39 Chapter 4 ControlLogix Overviews cnciwrstscsens bier ay akv eee ewsseesasdas 41 Direct Connections Aiea ch abet CACO A as tebe oh oul 43 Local Chassis Operation xivcgeqecd ig aaa ee ee 43 Remote Chassis Operation ics avis cit clare cte deo ah porte pat ete panatoners 44 Create a New Module nonnnonsnnnunnunesrrrrernnnrrrrrerrnnnn 46 Connection HOtmatsisce2 ies Seeeeoe hee eS 48 Configure Connection Properties 15 Sanson tees ves oes ne ree hs 48 Configure Counters 0 67 suaiinwcatnsente esses E te owes E 50 Configure Hardware Inputs 0 7 4 vivers coveutds Sedans euseoeeacer 53 Download the Configuration 14 45205 i545 ds6 Sau Reee ene ines 56 Rockwell Automation Publication 1756 UM536A EN P April 2012 3 Table of Contents Troubleshoot the Module Electronic Keying Tag Definitions Alternate Wiring for Non IEC Type 3 Sensors Index Chapter 5 Status Indicators is paijvinete dedi eioes aaua ede adied baled 57 Software Diagnostics asco parn eam ay eeater ONN S Saar aaa 58 Fault Type Derermination 2 5 25 25242244 32oeachanae 123 2eaeee 59 Module Error CodeSkis i io uutetn eer eena aren E E E eds 60 Appendix A Electronice Keying senes rararenrirenn ta ESA ESA ARTAR i 61 Exact Matthe ieren ngs e enaa EE E E A ERE RRS 62 Compatible Keying ao s ot athe neve
45. cription Vendor The manufacturer of the module for example Rockwell Automation Allen Bradley Product Type The general type of the module for example communication adapter AC drive or digital 1 0 Product Code The specific type of module generally represented by its catalog number for example 1756 LSC8XIB8I Major Revision Anumber that represents the functional capabilities and data exchange formats of the module Typically although not always a later that is higher Major Revision supports at least all of the data formats supported by an earlier that is lower Major Revision of the same catalog number and possibly additional ones Minor Revision A number that indicates the module s specific firmware revision Minor Revisions typically do not impact data compatibility but may indicate performance or behavior improvement Rockwell Automation Publication 1756 UM536A EN P April 2012 61 AppendixA Electronic Keying You can find revision information on the General tab of a module s Properties dialog box Figure 20 General Tab Revision fiz 1 Electronic Keying Compatible Keying Compatible Keying Disable Keying Exact Match IMPORTANT Changing electronic keying selections online may cause the 1 0 communication connection to the module to be disrupted and may result in a loss of data Exact Match Exact Match keying requires all keying attributes that is Vendor Product Type Product
46. d click Apply Field Description Requested Packet Interval RPI Enter an RPI value or use the default value Inhibit Module Check the checkbox to prevent communication between the owner controller and the module This option allows for maintenance of the module without faults being reported to the controller Major Fault On Controller If Check the checkbox to create a major fault if there is a connection failure with Connection Fails While in Run Mode the module while in Run mode For more information on this checkbox see the Logix5000 Controllers Information and Status Programming Manual publication 1756 PM015 Module Fault If a fault occurs when the module is online the type of connection fault appears in the Module Fault area The Module Fault area is blank if you are offline Rockwell Automation Publication 1756 UM536A EN P April 2012 49 Chapter4 Configure the Module Configure Counters 0 7 The configuration of counters 0 7 defines the following e The number of pulses over which to calculate average frequency e The frequency time out value e Whether the On Off windows use accumulated count instantaneous frequency or average frequency for output control e Window On Off preset and rollover values e Whether to enable filtering for a counter You can configure most of the above values on the Counter Configuration tab of the Module Properties dialog box However window On Off rollover and preset value
47. e Width Sequence Stores a rolling sequence number for each new average pulse width The value increments each time a new average pulse width is calculated Valid values are 128 127 Counter x Data BOOL Data lIndicates the current On Off value of the corresponding counter input 0 Off 1 0n Rockwell Automation Publication 1756 UM536A EN P April 2012 73 AppendixB Tag Definitions Table 6 Counter Module Input Tags continued Name Data Type Definition Counter x InWindow0 BOOL Window 0 Input Indicates whether the accumulated count or frequency value of Counter x is within the parameters defined by the Counter x Window00n and Counter x Window0Off output tags A change in window status triggers a Change of State COS message to be sent to the owner controller or peer module 0 Counter x value is not within window 0 1 Counter x value is within window 0 Counter x InWindow1 BOOL Window 1 Input lIndicates whether the accumulated count or frequency value of Counter x is within the parameters defined by the Counter x Window10n and Counter x Window10ff output tags A change in window status triggers a Change of State COS message to be sent to the owner controller or peer module 0 Counter x value is not within window 1 1 Counter x value is within window 1 Counter x Direction BOOL Direction Indicates the direction of the last count or instantaneous frequency 0 Direction of the
48. er module has three types of tags e Configuration Defines the data structure sent from the controller to the module upon powerup e Output Defines the data structure continually sent from the controller to the module that can modify the module s behavior during operation e Input Defines the data structure continually sent from the module to the controller or peer output module containing the current operational state of the module s input points Rockwell Automation Publication 1756 UM536A EN P April 2012 69 AppendixB Tag Definitions Configu ration Tags The configuration tags in Table 5 on page 71 define the module s configuration IMPORTANT IMPORTANT IMPORTANT IMPORTANT The Counter x CountDown output tag is active only if the Up Down Count function is not tied to Counter x via a hardware input If a hardware input is tied to Counter x the hardware input overrides the value of the Counter x CountDown output tag Either the Count Enable hardware input or the corresponding bit in the Counter x DisableCount output tag can determine whether counting is enabled or disabled Counting is enabled under the following conditions e Counter x CountEnTieToPt configuration tag 1 no tie or 0 7 and the corresponding hardware input is non inverted and high or inverted and low level sensitive and e Counter x DisableCount output tag 0 level sensitive Counting is disabled under these conditions
49. es are REAL 32 bit IEEE float As a result the frequency triggers for On Off windows can only be defined in 1 Hz increments e Fluctuations in high frequency values across window parameters could cause the window to transition on each pulse if the input frequency is at a window parameter and you are using instantaneous frequency as the comparison method In this case the module will produce a COS message on the backplane with each input This high traffic could result in system communication issues e For example if you set a window Off value at 18 kHz and the input is at 18 kHz the instantaneous frequency calculation could result in frequency fluctuations for each pulse between 17998 0 Hz and 18002 0 Hz This fluctuation would cause a COS message to be sent every 55 ps If this situation occurs for all eight counters the module can generate a large amount of backplane traffic possibly resulting in system communication issues Rockwell Automation Publication 1756 UM536A EN P April 2012 13 Chapter2 Module Operation Figure 2 compares two On Off windows by using the Accumulated Count comparison method In the first window the On value is less than the Off value In the second window the On value is greater than the Off value Figure 2 Window States Based on Accumulated Count On Value lt Off Value Counter x InWindow0 remains On for 3000 counts Counter x InWindow0 Counter x InWindow0 turns On at count 2000 gt
50. ey Product Type Digital Input Module Catalog Number 1756 IB16D Major Revision 3 Minor Revision 2 IMPORTANT Changing electronic keying selections online may cause the 1 0 Communication connection to the module to be disrupted and may result in a loss of data Compatible Keying Compatible Keying indicates that the module determines whether to accept or reject communication Different module families communication adapters and module types implement the compatibility check differently based on the family capabilities and on prior knowledge of compatible products Compatible Keying is the default setting Compatible Keying allows the physical module to accept the key of the module configured in the software provided that the configured module is one the physical module is capable of emulating The exact level of emulation required is product and revision specific Rockwell Automation Publication 1756 UM536A EN P April 2012 63 Appendix A Electronic Keying 64 With Compatible Keying you can replace a module of a certain Major Revision with one of the same catalog number and the same or later that is higher Major Revision In some cases the selection makes it possible to use a replacement that is a different catalog number than the original For example you can replace a 1756 CNBR module with a 1756 CN2R module Release notes for individual modules indicate
51. ftware transfers configuration data to remote modules and establishes a network update time NUT for the ControlNet network that is compliant with the desired communication options specified for each module during configuration If you are not using the modules in a remote ControlNet chassis running RSNetWorx software is not necessary However anytime a controller references a module in a remote chassis RSNetWorx software must be run to configure the ControlNet network In an ControlNet network scheduled data is sent at the RPI regardless of any COS activity occurring on the backplane of the remote chassis IMPORTANT Donot use unscheduled communication to the counter module in a remote chassis over a ControlNet network In an EtherNet IP network with a multicast connection data may be sent over the network as fast as one quarter of the RPI For example ifan I O module is sending data every 10 ms and the RPI is set at 100 ms the data transfer rate over the EtherNet IP network will be every 30 ms IMPORTANT Ina peer control operation where the counter module provides peer input data directly to a 1756 OB16IEF module both the counter module and 1756 OB16lEF module can reside in a remote chassis as long as they are both located in the same physical chassis For more information about peer control refer to the Peer 1 0 Control Application Technique publication 1756 AT016 Rockwell Automation Publication 1756 UM536A EN P April 2012 45
52. g default Counter x ResetTieToPt SINT Tie Reset Count Function to a Counter Defines which standard hardware input 0 7 if any will control when Counter x resets the count to zero Counter x will reset when the designated standard hardware input detects a rising pulse edge Valid values e 0 7 The standard hardware input number to perform the Reset control function for Counter x e 1 Disabled Only the Counter x ResetCount output tag can reset the count default Counter x PresetTieToPt SINT Tie Preset Count Function to a Counter Defines which standard hardware input 0 7 if any will control when Counter x sets the count to the preset value stored in the Counter x Preset output tag Counter x sets the count to the preset value on a rising pulse edge Valid values e 0 7 The standard hardware input number to perform the Preset control function for Counter x e 1 Disabled Only the Counter x PresetCount output tag can trigger a preset default Counter x FreqAveragePulseCount INT Pulse Count for Average Frequency Defines the number of pulses to use for calculating average frequency by using the formula Number of Pulses defined Counter x FreqAveragePulseCount Time required to count the number of pulses defined in Counter x FreqAveragePulseCount Valid values 0 1 000 Default 10 Counter x Freqlimeout INT Frequency Timeout Defines the maximum amount of time in milliseconds the counter waits before
53. gh and stops when the input is low e When the function is inverted counting starts only when the input is low and stops when the input is high To invoke the Count Enable function by using the output tag method use the Counter x DisableCount output tag as shown in Figure 7 Figure 7 Counter x DisableCount Output Tag i Controller Tags RA_Controller controller Scope a RA_Controller x Show All Tags 8 4 Value Local 3 0 Counter 0 Local 3 0 Counter 1 0 Counting occurs level sensitive 1 Counting is disabled level sensitive r T aol es Balt A soll 0 gt 0 Rockwell Automation Publication 1756 UM536A EN P April 2012 19 Chapter2 Module Operation Note that the module continues to calculate frequency and pulse width values even if you disable counting via the Count Enable function IMPORTANT Either the Count Enable hardware input or the corresponding bit in the Counter x DisableCount output tag can determine whether counting is enabled or disabled Counting is enabled under the following conditions e Counter x CountEnTieToPt configuration tag 1 no tie or 0 7 and the corresponding hardware input is non inverted and high or inverted and low level sensitive and e Counter x DisableCount output tag 0 level sensitive Counting is disabled under these conditions e Counter x CountEnTieToPt configuration tag 0 7 and the corresponding hardware input is non
54. hanged the configuration for a module the change does not take effect until you download the new configuration The software downloads the entire program to the controller and overwrites any existing programs Follow these steps in RSLogix 5000 software to download a configuration 1 In the upper left corner of the RSLogix 5000 window click the controller status icon and choose Download RSLogix 5000 Digital 1756 174 20 1 File Edit view Search Logic Communications aga Offline J E RUN No Forces Go Online Upload Download N Download Download offline project RA_Controller to the controller Connected Controller Name lt no name gt Type 1756 L73 4 ControlLogix5573 Controller Path AB_ETHIP 24192 168 1 217 Backplane 2 Serial Number O067D1CB Security No Protection ds DANGER Unexpected hazardous motion of machinery may occur Some devices maintain independent configuration settings that are not loaded to the device during the download of the controller Verify these devices drives network devices 3rd party products have been properly loaded before placing the controller into run mode Failure to load proper configuration could result in misaligned data and unexpected equipment operation Rockwell Automation Publication 1756 UM536A EN P April 2012 Chapter 5 Troubleshoot the Module Topic Page Status Indicators 57 Software Diagnostics 58 Module Error Codes 60 Status Indicat
55. his manual Reproduction of the contents of this manual in whole or in part without written permission of Rockwell Automation Inc is prohibited Throughout this manual when necessary we use notes to make you aware of safety considerations WARNING Identifies information about practices or circumstances that can cause an explosion in a hazardous environment which may lead to personal injury or death property damage or economic loss ATTENTION Identifies information about practices or circumstances that can lead to personal injury or death property damage or economic loss Attentions help you identify a hazard avoid a hazard and recognize the consequence SHOCK HAZARD Labels may be on or inside the equipment for example a drive or motor to alert people that dangerous voltage may be present BURN HAZARD Labels may be on or inside the equipment for example a drive or motor to alert people that surfaces may reach dangerous temperatures gt eee IMPORTANT Identifies information that is critical for successful application and understanding of the product Allen Bradley ControlLogix Logix5000 Rockwell Software Rockwell Automation RSLogix 5000 RSNetWorx and TechConnect are trademarks of Rockwell Automation Inc Trademarks not belonging to Rockwell Automation are property of their respective companies Preface Module Features Module Operation Install the Counter Module Configure the M
56. hod In this case the module will produce a COS message on the backplane with each input This high traffic could result in system communication issues e For example if you set a window Off value at 18 kHz and the input is at 18 kHz the instantaneous frequency calculation could result in frequency fluctuations for each pulse between 17998 0 Hz and 18002 0 Hz This fluctuation would cause a COS message to be sent every 55 ps If this situation occurs for all eight counters the module can generate a large amount of backplane traffic possibly resulting in system communication issues Table 7 Counter Module Output Tags Name Data Type Definition Counter x DisableCount BOOL Disable Count When set Counter x will not count 0 Counting occurs unless the Counter x CountEnTieToPt configuration tag prevents counting 1 Counting is disabled Counter x ResetCount BOOL Reset Count Resets the count back to zero on a rising edge The Counter x ResetTieToPt configuration tag can also trigger a count reset on a rising edge 0 Disabled 1 Enabled Counter x PresetCount BOOL Preset Count Sets the count to the preset value stored in the Counter x Preset output tag on a rising edge The Counter x PresetTieToPt configuration tag can also transition the count to the preset value on a rising edge 0 Disabled 1 Enabled The count transitions to the preset value on a rising edge Counter x CountDown BOOL Count Down Contro
57. ic Controller Specialty Catalog Number Description Vendor Category 1756 CFM Configurable Flow Meter Allen Bradley Specialty 1756 HSC 1756 High Speed Counter Allen Bradley Specialty 1756 LSC8XIBSI 8 Counter 8 Input Point 24V High Speed DC Isolated Allen Bradley 1756 PLS 1756 Programmable Limit Switch Allen Bradley Specialty lt gt 4 of 110 Module Types Found Add to Favorites v Close on Create Create l Close Help 46 Rockwell Automation Publication 1756 UM536A EN P April 2012 Configure the Module Chapter 4 3 On the New Module dialog box type a name and description for the module and enter the module s slot number E New Module General Connection Module Info Input Configuration Counter Configuration Time Sync Type 1756 LSC8XIB8I 8 Counter 8 Input Point 24V High Speed DC Isolated Sink Source Vendor Allen Bradley Parent Local Name Counter_Input Slot 7 Description Module Definition Revision 1 Electronic Keying Compatible Module Connection Data Series A Status Creating 4 Click Change 5 On the Module Definition dialog box define options for how the module will operate and click OK e For information about choosing an electronic keying method see Appendix A e For information about choosing a connection format see Connection Formats on
58. il 2012 31 Chapter3 Install the Counter Module Spring Clamp Follow these steps to wire a spring clamp 1 2 Strip 11 mm 7 16 in maximum length of wire Insert the screwdriver into the outer hole of the RTB to depress the spring loaded clamp Insert the wire into the open terminal and remove the screwdriver DEPTH Jda Strain Relief Area 20860 M ia IMPORTANT Make sure the wire and not the screwdriver is inserted into the open terminal to prevent damage to the module The open section at the bottom of the RTB is called the strain relief area The wiring from the connections can be grouped with a plastic tie RTB Wiring Recommendations Consider these guidelines when wiring your RTB Begin wiring the RTB at the bottom terminals and move up Use a tie to secure the wires in the strain relief area of the RTB A jumper bar is shipped with certain I O modules to assist in installation Additional jumper bars can be purchased in packages of 25 by ordering catalog number 1756 JMPR For applications that require heavy gauge wiring order and use an extended depth housing catalog number 1756 TBE 32 Rockwell Automation Publication 1756 UM536A EN P April 2012 Install the Counter Module Chapter 3 Wire Terminations The following diagrams provide wiring examples for the eight counter eight
59. inverted and low or inverted and high level sensitive or e Counter x DisableCount output tag 1 level sensitive Reset Count Function The Reset Count function resets the count to zero To invoke the Reset Count function for a counter by using the hardware input method tie the function to a hardware input on the Input Configuration tab of the Module Properties dialog box as shown in Figure 8 Figure 8 Reset Count Function Controlled by Hardware Input E Module Properties Local 3 1756 LSC8XIBBI 1 1 General Connection Module Info Input Configuration Counter Configuration Time Syne Hardware Input Ties Up Down Count Enable Reset Count Preset Count Counter Tie To Tie To Tie To Tie To mM Oo oO None E None E None None E None vi None None None None 0 a O jai None Oo Oo Reset Count function for counter 3 is tied to hardware input 5 None None Ho000000 None When tied to a hardware input this function is edge sensitive resulting in a reset when the designated input transitions low or high e By default counting resets to zero on a rising pulse edge e When the function is inverted counting resets to zero on a falling pulse edge 20 Rockwell Automation Publication 1756 UM536A EN P April 2012 Module Operation Chapter 2 To invoke the Reset Count function by using the output tag method use the Counter x ResetCount output tag as
60. ling Connection Not Open tThe module cannot establish a Listen only connection because there is currently no connection with the owner controller 0x02 Resources Unavailable tThe module cannot establish a connection due to lack of resources 0x25 Key Failure the physical module does not match the electronic keying information For more information about electronic keying see Appendix A Rockwell Automation Publication 1756 UM536A EN P April 2012 Electronic Keying Appendix A Electronic Keying The electronic keying feature automatically compares the expected module as shown in the RSLogix 5000 I O Configuration tree to the physical module before I O communication begins You can use electronic keying to help prevent communication to a module that does not match the type and revision expected For each module in the I O Configuration tree the user selected keying option determines if and how an electronic keying check is performed Typically three keying options are available e Exact Match e Compatible Keying e Disable Keying You must carefully consider the benefits and implications of each keying option when selecting between them For some specific module types fewer options are available Electronic keying is based on a set of attributes unique to each product revision When a Logix5000 controller begins communicating with a module this set of keying attributes is considered Attribute Des
61. ls the direction of a count if the Counter x UpDowntTieToPt input tag is not enabled for the corresponding counter 0 The count direction is up default 1 The count direction is down Counter x Rollover DINT Rollover Defines how many counts accumulate before the count rolls over to zero The count rolls over to zero on the rollover value The default rollover value is a maximum count of 227 Counter x Preset DINT Preset Defines the starting value for a count The preset value must be less than the rollover value If the preset value is greater than or equal to the rollover value the default preset value is used The default preset value is zero Counter x Window00n DINT Window 0 On Defines the count or frequency value that results in an On status for window 0 The status for window 0 is stored in the Counter x InWindow0 input tag This tag is used in conjunction with the Counter x Window0Off tag to create an On Off window If the values in the Counter x Window00n and Counter x Window00Off tags are the same the window is disabled Rockwell Automation Publication 1756 UM536A EN P April 2012 75 AppendixB Tag Definitions Table 7 Counter Module Output Tags continued Name Counter x Window00ff Data Type DINT Definition Window 0 Off Defines the count or frequency value that results in an Off status for window 0 The status for window 0 is stored in the Counter x InWindow0 input tag
62. module calculates average frequency as follows 1 Starts timing on the first rising pulse edge and stops timing on the Counter x FreqAveragePulseCount rising pulse edge 2 Calculates frequency based on the total time from step 1 and multiplies the Counter x FreqAveragePulseCount value by the pulse count For example if Counter x FreqAveragePulseCount 10 and the calculated frequency 1 Hz the average frequency 10 Hz 10 pulses 1 second If Counter x FreqAveragePulseCount 10 the module updates average frequency values as follows From pulses 0 9 the module does not calculate average frequency and returns a value of zero From pulses 10 19 the module calculates and updates the average frequency for pulses 0 9 at pulse 10 e From pulses 20 29 the module calculates and updates the average frequency for pulses 10 19 at pulse 20 and so on The module stores the average frequency in the Counter x FreqAverage input tag Instantaneous pulse width REAL The duration in microseconds of the last rising pulse edge to falling pulse edge The accuracy of the instantaneous pulse width is always 11 ps regardless of the actual pulse width The module stores instantaneous pulse width in the Counter x PulseWidth input tag Average pulse width REAL The average width of pulses The module calculates average pulse width over the number of pulses specified in the Counter x FreqAveragePulseCount configuration tag Frequency timeou
63. must be less than the rollover value If the preset value is greater than or equal to the rollover value then the module uses the requested rollover value and the default preset value of zero rather than the invalid preset value Rockwell Automation Publication 1756 UM536A EN P April 2012 21 Chapter 2 22 Module Operation Preset Count function for counter 4 is tied to hardware input 7 To invoke the Preset Count function for a counter by using the hardware input method tie the function to a hardware input on the Input Configuration tab of the Module Properties dialog box as shown in Figure 10 Figure 10 Preset Count Function Controlled by Hardware Input E Module Properties Local 3 1756 LSC8XIB8I 1 1 General Connection Module Info Input Configuration Counter Configuration Time Sync Hardware Input Ties Up Down Count Enable Reset Count Preset Count Counter Tie To Tie To Tie To Tie To a Invert ier mc ron mai ree Invert None ion xj y ji When tied to a hardware input this function is edge sensitive resulting in a preset when the designated input transitions low or high e By default the count is set to the preset value on a rising pulse edge e When the function is inverted the count is set to the preset value on a falling pulse edge To invoke the Preset Count function by using the output tag method use the Counter x PresetCount output tag as show
64. n 5 specifications 5 77 spring clamp 32 status indicators 8 57 system ControlLogix 41 45 T tags configuration 70 input 73 output 15 74 terminations wire 33 34 tie Count Enable function 19 hardware inputs 15 54 Preset Count function 22 Reset Count function 20 Up Down Count function 16 time cycle 11 timeout frequency 72 U Up Down Count function 16 18 V value accumulated count 12 average frequency 12 average pulse width 12 instantaneous frequency 12 instantaneous pulse width 12 preset 21 rollover 14 version software 5 W width pulse 12 window On Off 13 wire cage clamp 31 module terminations 33 34 non lEC open collector sensor 77 spring clamp 32 wiring recommendations 30 32 81 Index Notes 82 Rockwell Automation Publication 1756 UM536A EN P April 2012 Rockwell Automation Support Rockwell Automation provides technical information on the Web to assist you in using its products At http www rockwellautomation com support you can find technical manuals technical and application notes sample code and links to software service packs and a MySupport feature that you can customize to make the best use of these tools You can also visit our Knowledgebase at http www rockwellautomation com knowledgebase for FAQs technical information support chat and forums software updates and to sign up for product notification updates For an additional level of technical phone support fo
65. n On to Off input transition must remain in the Off state before the module recognizes the transition Valid filter time 0 30 000 ps Default 0 PtXFilterEn X 0 7 BOOL Filter Inputs 0 7 only Indicates whether filtering is enabled for the standard hardware inputs When filtering is enabled transitions at the input point must remain in the new state for a configured length of time before the module recognizes the transition The filter time is defined in the PtFilterOffOn and PtFilterOnOff tags 0 Disable default 1 Enable CounterFilterOffOn INT Filter Time Off to On Counters 0 7 only Defines how long an Off to On transition at a counter must remain in the On state before the module counts that transition Requires that the Counter x FilterEn configuration tag enables filtering on a per counter basis Valid filter time 0 30 000 ps Default 0 CounterFilterOnOff INT Filter Time On to Off Counters 0 7 only Defines how long an On to Off transition at a counter must remain in the Off state before the module counts that transition Requires that the Counter x FilterEn configuration tag enables filtering on a per counter basis Valid filter time 0 30 000 ps Default 0 Counter x Window0UsesFreq BOOL Window 0 Uses Frequency lIndicates whether window 0 evaluates incoming pulses in terms of frequency rather than accumulated count 0 The window evaluates incoming pulses in terms of accumulated count
66. n in Figure 11 Figure 11 Counter x PresetCount Output Tag Controller Tags RA_Controller controller Scope ffgRA_Controller v Show al Tags za a Value Local3 0 Local 3 0 Counter Local 3 0 Counter 0 Local3 0 Countert E3 Local 3 0 Counter 2 Local 3 0 Counter 3 Local 3 0 Counter 4 Local 3 0 Counter 4 DisableCount 0 Tag based preset not aL active Locat 3 0 Counter 4 Rollover 1 FT transitions to i _ Local 3 0 Counter 4 Preset preset value on a rising eage Rockwell Automation Publication 1756 UM536A EN P April 2012 Module Operation Chapter 2 IMPORTANT _ Either the Preset Count hardware input or the corresponding bit in the Counter x PresetCount output tag can determine whether the count is preset The count is preset to the Counter x Preset value under the following conditions e Counter x PresetTieToPt configuration tag 0 7 rising edge sensitive or e Counter x PresetCount output tag 1 rising edge sensitive Output Control Inputs from the counter module can affect outputs on a 1756 OB16IEF module The output module consumes data from these input tags on a peer module e Pt x Data Indicates the current On Off value of the corresponding hardware input e Counter x InWindow0 Indicates whether the accumulated count or frequency value of Counter x is within the parameters defined by the Counter x Window0On and Counter x Window0Off output tag
67. nputs 0 7 Chapter4 Configure the Module Connection Formats Table 4 Counter Module Connection Formats Connection Format Data Listen Only Configure Connection Properties Connection properties define controller to module behavior When defining connection properties you can do the following e Select an RPI The RPI guarantees the slowest rate at which input tag data including pulse count pulse width and pulse frequency values are produced to the system The module s actual data transfer rate may be faster than the RPI setting but the RPI provides a defined maximum period of time at which data is produced e Inhibit the module e Configure the controller so that a loss of connection to this module causes a major fault e View information about the condition of the connection between the module and the controller 48 Rockwell Automation Publication 1756 UM536A EN P April 2012 Configure the Module Chapter 4 Follow these steps to configure connection properties 1 On the Module Properties dialog box click the Connection tab W Module Properties Local 3 1756 1SC8XIB8I 1 1 General Connection Module Info Input Configuration Counter Configuration Time Syne Requested Packet Interval RPI 20 0 ms 0 2 750 0 C Inhibit Module C Major Fault On Controller If Connection Fails While in Run Mode Module Fault Status Offline 2 Complete the fields as described below an
68. ntEn BOOL Invert Count Enable Function When set inverts the hardware input defined in the Counter x CountEnTieToPt tag so that Counter x counts only when the input is low 0 Not inverted Counter x counts when the input is high default 1 Inverted Counter x counts when the input is low Counter x InvertReset BOOL Invert Reset Count Function When set inverts the hardware input defined in the Counter x ResetTieToPt tag so that Counter x resets only when the input transitions low 0 Not inverted Counter x resets when the input transitions high default 1 Inverted Counter x resets when the input transitions low Rockwell Automation Publication 1756 UM536A EN P April 2012 71 AppendixB Tag Definitions Table 5 Counter Module Configuration Tags continued Name Data Type Definition Counter x InvertPreset BOOL Invert Preset Count Function When set inverts the hardware input defined in the Counter x PresetTieToPt tag so that Counter x is preset only when the input transitions low 0 Not inverted Counter x sets the count to the value stored in the Counter x Preset output tag when the input transitions high default 1 Inverted Counter x sets the count to the value stored in the Counter x Preset output tag when the input transitions low Counter x FilterEn BOOL Filter Counters 0 7 only Enables filtering on the counter When filtering is enabled transitions at a counter
69. nter Module Features Feature Dedicated counters Description Counters 0 7 on the module are dedicated to counting incoming pulses from a proximity sensor Each counter returns these values Accumulated count Instantaneous and average frequencies Instantaneous and average pulse width For descriptions of each value see Table 3 on page 12 Configurable On Off windows The module provides two configurable On Off windows per counter for output control e Configure each window to use accumulated count instantaneous frequency or average frequency Define On Off values via output tags For more about On Off windows see page 13 Real time control over preset and rollover values Preset and rollover values for each counter are configurable via output tags for real time control For more about preset values see page 21 For more about rollover values see page 14 Control of counter functionality via Counter control functions can be invoked by either of the following hardware inputs or output tags The state of external input devices connected to the eight standard hardware inputs on the module e Output tags Counter control functions include Up Down Count Count Enable Preset Count and Reset Count For more information see Counter Control Functions on page 15 Peer to peer 1 0 control The module can be used in peer control applications in which input data is consumed by a1756 OB16l
70. nts down when the input is low Count Enable Column Tie to Input Choose the hardware input to control when counting starts and stops for the corresponding counter Counter x CountEnTieToPt IMPORTANT Either the Count Enable hardware input or the corresponding bit in the Counter x DisableCount output tag can determine whether counting is enabled or disabled Counting is enabled under the following conditions e Counter x CountEnTieToPt configuration tag 1 no tie or 0 7 and the corresponding hardware input is non inverted and high or inverted and low level sensitive and e Counter x DisableCount output tag 0 level sensitive Counting is disabled under these conditions e Counter x CountEnTieToPt configuration tag 0 7 and the corresponding hardware input is non inverted and low or inverted and high level sensitive or e Counter x DisableCount output tag 1 level sensitive Invert Check the checkbox to invert the hardware input so that the corresponding counter starts counting only when the input is Counter x InvertCountEn low and stops counting when the input is high Reset Count Column Tie to Input Choose the hardware input to control when the count is reset to zero for the corresponding counter Counter x ResetTieToPt IMPORTANT Either the Reset Count hardware input or the corresponding bit in the Counter x ResetCount output tag can determine whether the count is reset Counting is reset to zero under the following conditions e
71. ocking tab anchors the RTB on the module and maintains wiring connections Slots for keying tThe slots let you mechanically key the RTB to prevent inadvertently making the wrong wire connections to your module Removable terminal block The RTB lets you connect and house the wiring The counter module supports two types of RTBs age clamp catalog number 1756 TBCH Spring clamp catalog number 1756 TBS6H For wiring instructions see Chapter 3 10 Rockwell Automation Publication 1756 UM536A EN P April 2012 Counters 0 7 Chapter 2 Module Operation Topic Page Counters 0 7 11 Counter Control Functions 15 Output Control 23 Counters 0 7 on the module are dedicated to up and down counting of incoming pulses The module counts rising pulse edges at a maximum of 40 kHz However the following limitations apply as shown in Figure 1 e The duration of a pulse cannot be less than 11 us which is the minimum hardware delay time for a transition to be detected by an input e For repetitive counting the total cycle time cannot be less than 25 ps Figure 1 Pulse Cycle Limits JLIL 11 ps j l gt 25 us l Li I For complete specifications refer to the 1756 ControlLogix I O Modules Specifications Technical Data publication 1756 T D002 Rockwell Automation Publication 1756 UM536A EN P April 2012 11 Chapter2 Module Operation Table 3 Counter Values Each of the eight counters aut
72. odule Table of Contents Additional Resources ii aii sh tas ee he Re eid es 5 Chapter 1 About the Counter Modules s5 iy59052 he tea idles eee ae ence an 7 Proximity Sensor Compatibility 2 42 i Heasaeseoess ese s iis 7 Module Features raer Soe overs ei terteiee eu hiohakctatwewh cece 8 Additional I O Module Features 0cccececcecneceeeee 8 PARES Tllasirati n jo Sece Suto coos caenaneg adenioek nu Geen Reese 10 Chapter 2 Counters Ou errr Ge Nae ils BE A ES 11 On Off Window secs Sereedce a haces eta nie wird pokeweed tee nnn 13 Rollover Values cn e evel arte babel eet ae ie ol ota 14 Counter Control Puncuionssasi seh oc pte ocd bee she ede aeies 15 Up Down Count Function ac 5 s2 svn tals eal chewna wea tonane s 16 Count Enable PanctiOnies oSecis asst hs haga eee arene 19 Reset Count Function 0 4 00 s360 c00 645 os Hed SANSA Aedes 20 Preset Count Function 0c cece cece nee cee n eee eneeeeens 21 Output Control shia cave pene de nace atte eee E EARR 23 Chapter 3 Install the Moduless ccncconAy 32s sss eaten sounds Mies of eee 27 Key the Removable Terminal Blok adic occronkcdorekinaciscenaey 29 Connect the WALCS cued ie AY eet bela ACCU Eaa a E EY 30 RIB Type Sissies tienes EEE A AA E E see eases 31 RTB Wiring Recommendations s csi02 25 0derosee nude vonarars 32 Wire Terminations eaa aaa a in Manes E A EE wanes 33 Assemble the Removable Terminal Block and Housing 35 Install the Removable Terminal Blo
73. omatically returns the values described in Table 3 Value Data Type Description Accumulated count DINT The total number of pulses The module counts pulses on their rising edge The module stores accumulated count in the Counter x Count input tag Instantaneous frequency REAL The frequency of the last pulse detected by a counter The module calculates frequency by timing from rising edge to rising edge of the last two pulses cycle time e Ifthe cycle time is less than the frequency timeout Counter x Freqlimeout value then instantaneous frequency 1 cycle time e Ifthe cycle time is greater than the frequency timeout Counter x FreqIimeout value then instantaneous frequency 0 In instantaneous frequency calculations the rising edge of the pulse that completes a cycle time is also the rising edge of the pulse that starts the next cycle time To determine the accuracy of the instantaneous frequency value use this formula 0 0011 x Counter x Frequency value For example a 1 kHz input frequency has a worst case instantaneous frequency value of 1 1 The module stores instantaneous frequency in the Counter x Frequency input tag Average frequency 2 REAL The average frequency of pulses The module calculates average frequency over the number of pulses defined in the Counter x FreqAveragePulseCount configuration tag You can configure this number of pulses on the Counter Configuration tab of the Module Properties dialog box The
74. open collector sensor that is not IEC compliant Refer to the input circuit shown below to wire a counter module to an open collector sensor that requires an external pull up resistor R_Pull ee S IN x or CTR x Current V_Supply DK D Limit HiSpeed Logic Module S Eg Opto Coupler Display GND x or CTR GND x Refer to the module s input specifications in Table 8 to choose an appropriate a pull up resistor as described on page 78 Table 8 Counter Module without External Resistor Voltage across Terminals Input Current 25 C 77 F off lt sy lt 1 5mA Turn on at 8 9V 2 5mA toy 3 8 mA 24V 4 8 mA 30V 5 0 mA 1 5V or less across the input terminals for a module Off state 2 10V minimum required across input terminals for a module On state Rockwell Automation Publication 1756 UM536A EN P April 2012 77 Appendix C Alternate Wiring for Non lEC Type 3 Sensors Choose a Pull up Resistor for an Open Collector Sensor Open Collector Wiring without a Resistor 78 To choose a pull up resistor for an open collector sensor use the module s nominal input current specifications in Table 8 and the transistor s current rating to calculate the voltage drop across the pull up resistor when the transistor is Off and On Choose a pull up resistor that provides a minimum of 10V at the module terminals
75. ors The module uses the status indicators shown below 6 COUNTER Standard Hardware Input Status Indicators as ST 01234567 0 OK Status Indicator Counter Input Status Indicators CR 01234567 23 6 PEER DEVICE Indicator Status Description Flashing green The module has passed internal diagnostics but is not broadcasting inputs because a valid connection is not established the controller is in Program mode or the module is inhibited Uninhibit the connection transition the controller to Run mode or establish a connection to enable communication to the module Steady red The module must be replaced Flashing red Previously established communication has timed out Check the controller and chassis communication Standard Hardware Yellow The hardware input is On Input Status Counter Input Status Yellow The counter input is On Rockwell Automation Publication 1756 UM536A EN P April 2012 57 Chapter5 Troubleshoot the Module Software Diagnostics In addition to the status indicators on the module RSLogix 5000 software alerts you to fault conditions The software reports fault conditions in these ways e Awarning icon d appears next to the module in the I O Configuration tree Figure 16 when the controller to module connection is lost If the connection between the counter module and a peer output module is lost the counter module continues to communicate with the
76. ounter has two configurable On Off windows that compare the accumulated count or frequency of incoming pulses to user defined On Off values When the count or frequency values are within the user defined window parameters the module sets the corresponding bit in the Counter x InWindow0 or Counter x InWindow1 input tag The module produces data to the system on the rising and falling edge of each On Off window A rising edge occurs when a count or frequency value enters the window and a falling edge occurs when a count or frequency value exits a window You define each On Off window by using these parameters e Comparison method Defines whether the On Off window uses accumulated count instantaneous frequency or average frequency You define the comparison method for a window on the Counter Configuration tab of the Module Properties dialog box e On and Off values Defines the count or frequency value that results in an On Off status for the window On and Off values represent counts or frequency depending on the window s comparison method You define these values in a set of output tags for each window Counter x Window0On and Counter Window0Off Counter x Window1On and Counter x Window1 Off IMPORTANT _ Keep in mind the following when using frequency as a window comparison method e When configured to compare frequency values window On Off values are still DINT 32 bit signed integers while the returned frequency valu
77. page 48 Module Definition Series Revision Electronic Keying Compatible Module Connection Data OK Cancel Help 6 On the New Module dialog box click OK Rockwell Automation Publication 1756 UM536A EN P April 2012 47 The initial configuration of a module requires you to choose a connection format If needed you can change the connection format when offline after the configuration is downloaded to the controller Multiple controllers can receive data being produced by a module The connection format determines the following e Whether a controller configures or just listens to data e The type of configuration options that are available e The tags that are generated during the initial configuration Table 4 describes the connection formats available for the counter module Description Results in two types of input data e Count or frequency values from counters 0 7 e Counter control input data or general purpose input data from standard hardware inputs 0 7 Results in two types of output data Configuration data sent to the module from the owner controller upon powerup reconfiguration e Output data for counter operation Allows a controller to establish a Listen only connection with the counter module Results in two types of input data e Count or frequency values from counters 0 7 e Counter control input data or general purpose input data from standard hardware i
78. quency and pulse width values and then stores the values 4 Counter module transfers data including accumulated count and frequency values to the controller The controller stores the data in descriptive tags If configured a 1756 0B16lEF peer module also consumes the data via a Listen only connection to the counter module The peer output module evaluates the input data and applies the data to its outputs by using program logic from the controller 5 Program logic can store and move data before new input data is broadcast over the backplane and overwrites the current input data in the controller s tags Program logic also updates values in output tags that are sent to the counter module such as preset and rollover values IMPORTANT In RSLogix 5000 software versions 18 02 00 and later output tag information is sent to the counter module only at the RPI rate defined during configuration For optimal performance use an Immediate Output 10T instruction For example the rung shown below contains an IOT instruction for a counter module in slot 3 Add a similar rung to your last routine within the Main Task to mimic normal output tag processing OT Immediate Output Update Tag Local 3 0 A module s communication or multicasting behavior varies depending upon whether it operates in the local chassis or in a remote chassis Rockwell Automation Publication 1756 UM536A EN P April 2012 Configure the Module Chapter 4 Direc
79. r installation configuration and troubleshooting we offer TechConnect support programs For more information contact your local distributor or Rockwell Automation representative or visit http www rockwellautomation com support Installation Assistance If you experience a problem within the first 24 hours of installation review the information that is contained in this manual You can contact Customer Support for initial help in getting your product up and running United States or Canada 1 440 646 3434 Outside United States or Canada Use the Worldwide Locator at http www rockwellautomation com support americas phone_en html or contact your local Rockwell Automation representative New Product Satisfaction Return Rockwell Automation tests all of its products to ensure that they are fully operational when shipped from the manufacturing facility However if your product is not functioning and needs to be returned follow these procedures United States Contact your distributor You must provide a Customer Support case number call the phone number above to obtain one to your distributor to complete the return process Outside United States Please contact your local Rockwell Automation representative for the return procedure Documentation Feedback Your comments will help us serve your documentation needs better If you have any suggestions on how to improve this document complete this form publication RA D
80. ril 2012 Chapter 4 Configure the Module Topic Page ControlLogix Overview 41 Create a New Module 46 Configure Connection Properties 48 Configure Counters 0 7 50 Configure Hardware Inputs 0 7 53 Download the Configuration 56 ControlLogix Overview Before configuring your module in a local or remote chassis you must have an understanding of how the module operates with the controller in the ControlLogix system Every module must be owned by a Logix5000 controller This owner controller stores configuration data for every module that it owns The owner controller sends configuration data to the modules it owns when the module powers up or during a controller initiated reconfiguration Adding the module to the I O configuration tree in the RSLogix 5000 software creates configuration and I O data structures and tags for the module Figure 14 on page 42 shows how the module communicates with its owner controller Rockwell Automation Publication 1756 UM536A EN P April 2012 41 Chapter 4 42 Configure the Module Figure 14 Module Communication with Owner controller Logix Controller Counter Module Tags Program Logic 5 Path No Description 1 Controller transfers configuration data and commands to the module 2 External devices generate input signals that are transmitted to the module 3 Module converts signals counts incoming pulses calculates fre
81. ring a module s configuration properties in RSLogix 5000 software and receive a Communication fault message the Connection tab lists the type of fault in the Module Fault area Figure 19 For a description of possible faults see Module Error Codes on page 60 Figure 19 Faults on Connection Tab EE Module Properties Local 3 1756 LSCBXIBBI 1 1 TEE General Connection Module Info Input Configuration Counter Configuration Time Sync Requested Packet Interval RPI 20 0 a ms 0 2 750 0 xij Inhibit Module Major Fault On Controller If Connection Fails While in Run Mode Module Fault Code 16 0115 Electronic Keying Mismatch Electronic keying product type mismatch Status Faulted Rockwell Automation Publication 1756 UM536A EN P April 2012 59 Chapter5 Troubleshoot the Module Module Error Codes 60 In RSLogix 5000 software errors appear in the Module Fault area on the Connection tab of the Module Properties dialog box Figure 19 The table below lists possible errors Error Code 0x100 Description Connection in Use Typically occurs when the module detects a connection attempt but never receives data resulting in a 60 second timeout This scenario can be caused by an error with the communication module 0x106 Ownership Conflict The controller to module connection is already in use by another controller Only one controller can own the connection to the coun
82. s A change in window status triggers a Change of State COS message to be sent to the owner controller or peer module e Counter x InWindow1 Indicates whether the accumulated count or frequency value of Counter x is within the parameters defined by the Counter x Window1 On and Counter x Window1 Off output tags A change in window status triggers a Change of State COS message to be sent to the owner controller or peer module You can define the output behavior on the 1756 OB16IEF module by applying Boolean logic to the On Off windows inputs and any bits from the controller To establish communication with an input module the output module sends a Listen only connection request to the input module Once the connection is established the output module can consume data directly from the input module For more information about peer control refer to the Peer I O Control Application Technique publication 1756 AT016 Rockwell Automation Publication 1756 UM536A EN P April 2012 23 Chapter2 Module Operation Notes 24 Rockwell Automation Publication 1756 UM536A EN P April 2012 Chapter 3 Install the Counter Module Topic Page Install the Module 27 Key the Removable Terminal Block 29 Connect the Wires 30 Wire Terminations 33 Assemble the Removable Terminal Block and Housing 35 Install the Removable Terminal Block 36 Remove the Removable Terminal Block 38 Remove the Module from the Chassis 39 A
83. s must be defined in the module s output tags For more information about the operation of counters refer to Counters 0 7 on page 11 Follow these steps to configure counters 1 On the Modules Properties dialog box click the Counter Configuration tab MH Module Properties Local 3 1756 LSC8XIBBI 1 1 DEAR General Connection Module Info Input Configuration Counter Configuration Time Sync Counter fs ear ap oe res wera Calculate Average Frequency Over ho pulses Frequency Calculation Timeout 1000 ms Enable Filter of this Counter Filter values for all counters Window Defined In Off gt On 25ys On gt OFf SOys Counts v 1 Counts xi Window On Off Preset and Rollover values are defined in Output tags For this module Counter Input Input Tie Configuration Up Down None Count Enable None Reset None Preset None Status Offline 2 Click a numbered button to configure the corresponding counter 50 Rockwell Automation Publication 1756 UM536A EN P April 2012 Field Calculate Average Frequency Over Configure the Module Chapter 4 3 Complete the fields as described in the table below and click Apply Description Type the number of pulses to use to calculate average frequency This value is also used to calculate average pulse width For more information about how average frequency and average pulse width are calculated see page 12 Valid values 0 1 000
84. shown in Figure 9 Figure 9 Counter x ResetCount Output Tag i Controller Tags RA_Controller controller Scope ff RA_Controller v Show All Tags Name eH fs Value i Local 3 C oO m Local 3 Ei Local 3 0 e Local 3 0 Counter Local 3 0 Counter 0 SOON Local 3 0 Counter 1 rach 0 0 0 Local 3 0 Counter 3 Local 3 0 Counter 3 Disable Local 3 0 Counter 3 ResetCount m Local 3 0 Counter 3 PresetCount 0 Tag based reset is not active 1 Count transitions to zero on a rising edge bai m m m Local 3 0 Counter 2 m m m IMPORTANT Either the Reset Count hardware input or the corresponding bit in the Counter x ResetCount output tag can determine whether the count is reset Counting is reset to zero under the following conditions e Counter x ResetTieToPt configuration tag 0 7 rising edge sensitive or e Counter x ResetCount output tag 1 rising edge sensitive Preset Count Function A preset value determines the starting value for a count Each counter can have one preset value defined in the Counter x Preset output tag EXAMPLE A preset value of 99 produces the following count sequences e Increasing count sequence 99 100 101 e Decreasing count sequence 99 98 97 The following criteria applies to a preset value e The default preset value is zero e A preset value must be a non negative DINT value e A preset value
85. t Connections A direct connection is a real time data transfer link between the controller and the device that occupies the slot that the configuration data references When module configuration data is downloaded to an owner controller the controller attempts to establish a direct connection to each of the modules referenced by the data One of the following occurs e Ifthe data is appropriate to the module found in the slot a connection is made and operation begins e Ifthe configuration data is not appropriate the data is rejected and an error message appears in the software In this case the configuration data can be inappropriate for any of a number of reasons For example a module s configuration data may be appropriate except for a mismatch in electronic keying that prevents normal operation The controller maintains and monitors its connection with a module Any break in the connection such as removal of the module from the chassis while under power causes the controller to set faults in the data area associated with the module The RSLogix 5000 software may monitor this data area to signal the module s failures The time frame in which a module produces its data depends on the options chosen during configuration and where in the control system the module physically resides such as locally or remotely Local Chassis Operation A local chassis contains the module and its owner controller If a module resides in alocal
86. t Tag 1 2 3 New Frequency New Frequency New Frequency New Frequency New Frequency New Frequency Frequency in Counter x Frequency Tag eile y Value Value dale y Value Value Count Direction in Counter x Direction Tag 1 1 1 0 0 0 cisa New Pulse New Pulse New Pulse New Pulse New Pulse Pulse Width in Counter x PulseWidth Tag Width Value Width Value Width Value Width Value Width Value 18 Rockwell Automation Publication 1756 UM536A EN P April 2012 Module Operation Chapter 2 Count Enable Function The Count Enable function serves as a gate input that controls when counting starts and stops To invoke the Count Enable function for a counter by using the hardware input method tie the function to a hardware input on the Input Configuration tab of the Module Properties dialog box as shown in Figure 6 on page 19 Figure 6 Count Enable Function Controlled by Hardware Input E Module Properties Local 3 1756 LSCB8XIB8I 1 1 General Connection Module Info Input Configuration Counter Configuration Time Sync Hardware Input Ties Up Down Count Enable Reset Count Preset Count Count Enable function for counter 2 is tied to hardware input 4 None x E None vi None xl E Noe w None None When tied to a hardware input this function is level sensitive resulting in a change of status when the input is either low or high e By default counting starts only when the input is hi
87. t the module into the chassis 1 Align the circuit board with the top and bottom chassis guides Top Guide SS SSA Aaa aA Bottom Guide 20861 M 2 Slide the module into the chassis until the locking tabs click Locking Tab 20862 M Rockwell Automation Publication 1756 UM536A EN P April 2012 Key the Removable Terminal Block Install the Counter Module Chapter 3 Key the removable terminal block RTB to prevent inadvertently connecting the wrong wiring in the RTB to your module Wedge and U shaped bands are manually inserted into the RTB and module This process hinders a wired RTB from being accidentally inserted into a module that does not match the positioning of the respective tabs Key positions on the module that correspond to unkeyed positions on the RTB For example if you place a U shaped keying band in slot 4 on the module do not insert a wedge shaped tab in slot 4 on the RTB or your RTB will not mount on the module We recommend that you use a unique keying pattern for each slot in the chassis Follow these steps to key the RTB 1 To key the module insert the U shaped band with the longer side near the terminals 2 Push the band onto the module until it snaps into place 20850 M Rockwell Automation Publication 1756 UM536A EN P April 2012 29 Chapter3 Inst
88. ter module All other controllers must use a Listen only connection 0x108 Invalid Connection Type The module s owner controller is not using multicast communication so the module cannot establish a Listen only multicast connection 0x111 RPI Not Supported The RPI is not within a valid range of 200 ps 750 ms 0x114 Product Code Mismatch lectronic keying error The module catalog number such as 1756 LSC8XIB8I in the 1 0 Configuration tree does not match the catalog number of the corresponding physical module For more information about electronic keying see Appendix A 0x115 Product Type Mismatch lectronic keying error The module product type such as Multi channel Digital in the 1 0 Configuration tree does not match the product type of the corresponding physical module For more information about electronic keying see Appendix A 0x116 Revision Mismatch Electronic keying error The cause of the error depends on which electronic keying option is specified on the General tab of the Module Properties dialog box Ifthe Compatible Keying option is specified the module revision number is incompatible with the revision number of the corresponding physical module e Ifthe Exact Match option is specified the module revision number is not an exact match with the revision number of the corresponding physical module For more information about electronic keying see Appendix A 0x119 Control
89. troller The RPI not only defines when the module produces data within its own chassis but also determines how often the owner controller receives it over the network When an RPI value is specified for a module in a remote chassis in addition to instructing the module to produce data within its own chassis the RPI also reserves a spot in the stream of data flowing across the network The timing of this reserved spot may not coincide with the exact value of the RPI but the control system guarantees that the owner controller receives data at least as often as the specified RPI As shown in Figure 15 data from the remote chassis is sent to the ControlNet communication module at a rate no slower than the configured RPI Figure 15 Data from Remote Chassis Sent to ControlNet Communication Module Remote Chassis Counter Module OOo B 000 o o een Data Sent at RPI ControlNet Network 40947 Rockwell Automation Publication 1756 UM536A EN P April 2012 Configure the Module Chapter 4 You must run RSNetWorx software to enable modules in a remote ControlNet chassis Running RSNetWorx so
90. ts do not affect the pulse width average If the input is high or low for a long period of time the average pulse width is not updated until the number of pulses in the Counter x FreqAveragePulseCount tag occurs The module calculates average pulse width as follows 1 Stores each instantaneous pulse width for the number of pulses in the Counter x FreqAveragePulseCount tag 2 Calculates the total of all pulse widths stored in step 1 and divides the total by the value in the Counter x FreqAveragePulseCount tag If Counter x FreqAveragePulseCount 10 the module calculates average pulse width as follows e From pulses 0 9 the module does not calculate average pulse width and returns a value of zero e From pulses 10 19 the module calculates average pulse width for pulses 0 9 at pulse 10 e From pulses 20 29 the module calculates average pulse width for pulses 10 19 at pulse 20 and so on The accuracy of the average pulse width is always 11 ys Counter x FreqAveragePulseCount regardless of the actual pulse width The module stores average pulse width in the Counter x PulseWidthAverage input tag 1 The average frequency and average pulse width may not be calculated on the same pulse due to frequency timeouts 2 Frequency timeouts may cause the accuracy of average frequency calculations to vary 12 Rockwell Automation Publication 1756 UM536A EN P April 2012 Module Operation Chapter 2 On Off Windows Each c
91. ts the transition Valid filter time 0 30 000 ps Default 0 On gt Off Enter how long an On to Off transition at a counter must remain CounterFilterOnOff in the Off state before the module counts the transition Valid filter time 0 30 000 ps Default 0 4 In the Hardware Input Filters area enable filtering for one or more hardware inputs Description Enable Filter all input points Check the checkbox to enable filtering for hardware input points 0 7 Configuration Tag Not applicable Enable Filter points 0 7 Check the checkbox next to one or more input point numbers to enable filtering on an individual point basis PtXFilterEn 5 Ifyou enabled filtering for one or more hardware inputs configure the filter times under Input Filter Time Field Description Off gt On Enter how long an Off to On input transition must remain in the On state before the module recognizes the transition Valid filter time 0 30 000 us Default 0 Configuration Tag PtFilterOffOn On gt 0ff Enter how long an On to Off input transition must remain in the Off state before the module recognizes the transition Valid filter time 0 30 000 ps Default 0 6 Click Apply Rockwell Automation Publication 1756 UM536A EN P April 2012 PtFilterOnOff 55 Chapter4 Configure the Module Download the Configuration 56 After you have c
92. ule Other attributes such as data size and format are considered and must be acceptable before I O communication is established With Disabled Keying I O communication may occur with a module other than the type specified in the I O Configuration tree with unpredictable results We generally do not recommend using Disabled Keying incorrectly this option can lead to personal injury or death property damage i ATTENTION Be extremely cautious when using Disabled Keying if used or economic loss Rockwell Automation Publication 1756 UM536A EN P April 2012 65 AppendixA Electronic Keying If you use Disabled Keying you must take full responsibility for understanding whether the module being used can fulfill the functional requirements of the application EXAMPLE In the following scenario Disable Keying prevents 1 0 communication The module configuration is for a 1756 1A16 digital input module The physical module is a 1756 IF16 analog input module In this case communication is prevented because the analog module rejects the data formats that the digital module configuration requests Module Configuration 1 7SBA16 16 Point 79V 132V AC Input Vendor Allen Bradley rats Mendes Product Type Digital Input Module nse foststreaneaie sue fP 4 Catalog Number 1756 1A16 Major Revision 3 Minor Revision 1 Input Data m Electronic Keying Disable Keying Open Module Properties Communication
93. ule provides four counter control functions e Up Down Count e Count Enable e Reset Count e Preset Count The module provides two methods to invoke counter control functions e Hardware inputs You can tie counter control functions to standard hardware inputs 0 7 to let the state of external input devices directly control the functionality of a designated counter To configure this method you use the Input Configuration tab within the module s properties to set up ties as shown in Figure 3 on page 16 e Output tags The output tag method enables you to programmatically control the counter functions via the module s output tags This method offers the most flexibility in invoking counter control functions However the response time is limited due to the time required for the controller to process your application routine Keep in mind the following when tying hardware inputs to counter control functions e A single input can control functionality for multiple counters For example you can tie input 3 to the Up Down Count function for all eight counters e Only one type of counter control function can be tied to a single input For example you cannot tie both the Count Enable and Reset Count functions to the same input e Ifyou do not require hardware inputs 0 7 to support counter control functionality you can use the inputs as general purpose On Off inputs without timestamping Rockwell Automation Publication 1756 U
94. ut 72 function Count Enable 19 counter control 15 Preset Count 21 Reset Count 20 Up Down Count 16 18 hardware input configure 53 tie to counter control function 15 use for general purpose 15 housing assemble 35 extended depth 32 removable terminal block 31 illustration module operation 18 wiring 33 34 indicators status 57 inhibit module 48 input circuit 33 77 input configuration 16 19 20 22 53 input tags 73 Rockwell Automation Publication 1756 UM536A EN P April 2012 input counter about 11 comparison method 13 configure 50 control functions 15 Count Enable function 19 limitations 11 On Off values 13 On Off windows 13 Preset Count function 21 Reset Count function 20 rollover value 14 Up Down Count function 16 18 values 12 input hardware configure 53 tie to counter control function 15 use for general purpose 15 install counter module 27 28 removable terminal block 36 37 instantaneous frequency 12 instantaneous pulse width 12 invert Count Enable function 19 71 counter control functions 54 Preset Count function 22 72 Reset Count function 20 71 Up Down Count function 16 71 invoke Count Enable function 19 counter control functions 15 Preset Count function 22 Reset Count function 21 Up Down Count function 16 K key removable terminal block 29 keying electronic 61 L level sensitive 16 19 limit pulse cycle 11 limitations counter 11 Listen only connection 23 local chassis oper
95. vant de changer les piles The following applies when the product bears the Ex Marking This equipment is intended for use in potentially explosive atmospheres as defined by European Union Directive 94 9 EC and has been found to comply with the Essential Health and Safety Requirements relating to the design and construction of Category 3 equipment intended for use in Zone 2 potentially explosive atmospheres given in Annex II to this Directive Compliance with the Essential Health and Safety Requirements has been assured by compliance with EN 60079 15 and EN 60079 0 ATTENTION This equipment is not resistant to sunlight or other sources of UV radiation WARNING rN e This equipment must be installed in an enclosure providing at least IP54 protection when applied in Zone 2 environments e This equipment shall be used within its specified ratings defined by Rockwell Automation e Provision shall be made to prevent the rated voltage from being exceeded by transient disturbances of more than 40 when applied in Zone 2 environments e This equipment must be used only with ATEX certified Rockwell Automation backplanes e Secure any external connections that mate to this equipment by using screws sliding latches threaded connectors or other means provided with this product e Do not disconnect equipment unless power has been removed or the area is known to be nonhazardous 26 Rockwell Automation Publication 1756 UM536A EN P April 20
96. when the transistor is Off input module is On Choose a pull up resistor that provides a maximum of 5V at the module terminals when the transistor is On input module is Off Table 9 shows examples of two pullup resistor values with various power supply voltages and their actual measured values Table 9 Pull up Resistor Examples for Open Collector Sensors actual measured values R_Pullup V_Supply V_Terminals V_R_Pullup _R_Pullup P_R_Pullup Ohms Volts Volts Volts mA Watts 499 12 10 1 1 9 3 8 0 00722 499 24 21 6 24 4 8 0 01152 499 30 275 2 5 5 0 0125 1000 12 9 2 28 28 0 00784 1000 24 19 3 47 47 0 02209 1000 30 25 1 49 4 9 0 02401 1 A 1000 ohm pull up resistor is not recommended for 12V applications because it does not provide a minimum of 10V at the terminals If the off state current of your open collector device complies with the module s off state current specification of lt 1 5 mA max the device may be wired as shown below The module s input impedance will function as the pull up resistor 1756 LSC8XIB8I GND 0 l2 1 Q ino GND 1 g 4 3 O Jiu GND 2 Els 5s Jinz GND 3 s 71 N 3 GND 4 ait EED N 4 GND 5 g2 11 D N 5 GND 6 ae KIEN N 6 GND 7 16 15 N

ControlLogix Low-speed Counter Module User Manual, 1756

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