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Rockwell Automation Publication 1756-UM010C-EN-P - June 2021

43

Chapter 3 Configurable Flowmeter Module Features and Operational Modes

Net Rate

Use Net Rate in a fashion similar to Gross Rate. The key difference between
Gross Rate and Net Rate is that Net Volume also uses a user-defined
compensation factor (that is, AGA 7 or Logix compensation) to convert net
counts to net rate units.

Prover Status

Prover Status notifies you of these prover states:

•

Prover not active

•

Prover waiting for 1st start

•

Prover waiting for 1st stop

•

Prover waiting for 2nd start

•

Prover waiting for 2nd stop

•

Prover complete

Alarms with the Prover Function

The module offers these alarms when operating with the prover function:

•

Overflow Alarm

•

Overrange Alarm

•

Overspeed Alarm

•

Acceleration Alarm

You must enable each alarm. When any of the alarms occur, it is latched and
remains on until you reset the alarm. (Toggle the alarm enable bit to reset the
alarm.)

Sample Configuration for Totalizer Mode Prover Function

To see a sample configuration for a 1756-CFM module using Totalizer mode
prover function, including the use of all the features mentioned in the previous
section, see

.

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Содержание 1756-CFM

Страница 1: ...ControlLogix Configurable Flowmeter Module Catalog Number 1756 CFM User Manual Original Instructions...

Страница 2: ...ct to use of information circuits equipment or software described in this manual Reproduction of the contents of this manual in whole or in part without written permission of Rockwell Automation Inc i...

Страница 3: ...tains 15 Ownership 16 Using RSNetWorx and the Programming Software 17 CFM Modules in Local Chassis 17 CFM Modules in Remote Chassis 17 Connections 18 Direct Connections 18 Listen Only Connections 18 C...

Страница 4: ...Function for Totalizer Mode 45 Configurable Features Available with the Totalizer Mode Filler Function 46 Alarms with the Filler Function 51 Sample Configuration for Totalizer Mode Filler Function 51...

Страница 5: ...80 Using Message Instructions 81 Processing Real Time Control and Module Services 81 One Service Performed Per Instruction 81 Creating a New Tag 82 Enter Message Configuration 84 Configuring CFM Modu...

Страница 6: ...lculate Frequency Accuracy 127 Appendix E Configure Output Behavior with RSLogix 5000 Version 16 and Earlier Configure the 1756 CFM for Use in a New Application 130 Add the 1756 Generic Profile to the...

Страница 7: ...resets count See Table 16 115 Added Series B module gate input schematic information 121 Added Series B module discrete output schematic information 123 Resource Description 1756 ControlLogix I O Tech...

Страница 8: ...8 Rockwell Automation Publication 1756 UM010C EN P June 2021 Notes...

Страница 9: ...these output types Magnetic Pickup TTL Preamps Using a ControlLogix CFM Module ControlLogix CFM modules mount in a ControlLogix chassis and use a removable terminal block RTB or a Bulletin 1492 interf...

Страница 10: ...er Module Features and Operational Modes on page 21 Physical Features ControlLogix backplane connector The backplane connector interface for the ControlLogix system connects the module to the ControlL...

Страница 11: ...ing applications This figure shows a module in a turbine shaft speed monitoring application In this example the module is operating in High Resolution Frequency mode Other examples are shown in Chapte...

Страница 12: ...over is enabled Understanding Module Output Capabilities The module has two assignable outputs These outputs are designed for applications that require fast response The outputs are electrically fused...

Страница 13: ...on Product Type Module product type such as Digital I O or Analog I O module Catalog Code Module catalog number Major Revision Module major revision number Minor Revision Module minor revision number...

Страница 14: ...14 Rockwell Automation Publication 1756 UM010C EN P June 2021 Chapter 1 What is the Configurable Flowmeter Module Notes...

Страница 15: ...nstead they use the Producer Consumer Model see page 29 for more information to produce data without having been polled by a controller first Configurable flowmeter modules follow these basic operatio...

Страница 16: ...e to define the module s behavior within the control system Each module continuously maintains communication with its owner during normal operation When connections are severed or compromised the modu...

Страница 17: ...You must run RSNetWorx software to enable modules in the networked chassis Running RSNetWorx software transfers configuration data to networked modules and establishes a network update time NUT for Co...

Страница 18: ...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 th...

Страница 19: ...cific time intervals The RPI instructs the module to multicast the current contents of its on board memory when the RPI expires that is the module does not update its channels prior to the multicast a...

Страница 20: ...d for a module in a remote chassis in addition to instructing the module to multicast data within its own chassis the RPI also reserves a spot in the stream of data flowing across the ControlNet netwo...

Страница 21: ...res are available with the 1756 CFM module Removal and Insertion Under Power RIUP All 1756 CFM modules can be inserted and removed from the chassis while power is applied This feature allows greater a...

Страница 22: ...and jumpers the software makes module configuration easier and more reliable Electronic Keying The electronic keying feature automatically compares the expected module as shown in the programming soft...

Страница 23: ...cation adapter AC drive or digital I O Product Code The specific type of module generally represented by its catalog number for example 1756 IB16I Major Revision A number that represents the functiona...

Страница 24: ...tries Exact Match keying is also necessary to enable Automatic Firmware Update for the module via the Firmware Supervisor feature from a Logix 5000 controller EXAMPLE In this scenario Exact Match keyi...

Страница 25: ...original For example you can replace a 1756 CNBR module with a 1756 CN2R module When a module is created the module developers consider the module s development history to implement capabilities that...

Страница 26: ...e major revision of the physical module is higher than expected and the module determines that it is compatible with the prior major revision IMPORTANT Changing electronic keying selections online can...

Страница 27: ...whether the module being used can fulfill the functional requirements of the application ATTENTION Be extremely cautious when using Disabled Keying if used incorrectly this option can lead to personal...

Страница 28: ...ommunication is allowed because the two digital modules share common data formats IMPORTANT Changing electronic keying selections online can cause the I O communication connection to the module to be...

Страница 29: ...status can be checked with the status indicators Inputpointstatus display indicates a particular points status including specific indicators for the input F and Z points for each channel Output point...

Страница 30: ...fine the rollover values below this limit Current Sourcing Outputs Two current sourcing outputs are available on the module Each output can be tied to any Flowmeter input operates in the 10 31 2V DC r...

Страница 31: ...a resolution for this mode Use this equation to calculate resolution This table lists sample Fin and Tsample values and the corresponding resolution The values listed in Table 4 are listed for exampl...

Страница 32: ...nput that is F1 Module Features Used in High Resolution Frequency Mode These module features are available in High Resolution Frequency mode Low Frequency Clear Use Low Frequency Clear to set a minimu...

Страница 33: ...e frequency Hz to a user defined standard For example the module can read 59 9 Hz while the standard is set for 59 7 Hz In this case the meter factor default 1 0 should be changed to 0 99666 to correc...

Страница 34: ...the Acceleration Alarm Frequency Average With Frequency Average the module divides meter counts by a user defined sample interval up to 2 seconds to determine the Frequency Average Acceleration Use A...

Страница 35: ...er function Filler function These functions are described later in this chapter Nonresettable Totalizer Configure the module for Nonresettable Totalizer mode to make sure the total counts value is not...

Страница 36: ...new data from the Logix owner controller With the prover function the Totalizer is active all the time but the prover function must first be enabled and started to activate the Prover Total Once the p...

Страница 37: ...ring a prover calibration you have the option of selecting either of these types of provers Unidirectional With a unidirectional prover the module begins updating Prover Total when the spheroid passes...

Страница 38: ...ection to configure the module for the prover type used in your application Low Frequency Clear Use Low Frequency Clear to set a minimum frequency level Any counts detected below this level will not b...

Страница 39: ...ow mode Trickle Flow flowmeter is in Trickle Flow mode Tie to Counter Choose which output is connected to which flowmeter input Total Overflow Use Total Overflow to monitor when the total counts has e...

Страница 40: ...acceleration calculation indicates the number of samples used in the calculation Prover Total Use Prover Total to monitor the raw counts received during the Prover portion of the cycle The Prover Tota...

Страница 41: ...are divided by the time it took to accumulate them and the resulting value is the module speed Acceleration Use Acceleration to determine an acceleration value over a user defined number of samples G...

Страница 42: ...0 200 0 100 0 25 0 K factor Fin 200 0 x 111 0 71 0 300 0 200 0 71 0 Name Style Data type Value Change during operation C Operations 0 kFactStruct kFactorForChan 0 Float REAL 25 0 1 Yes C Operations 0...

Страница 43: ...ing for 1st start Prover waiting for 1st stop Prover waiting for 2nd start Prover waiting for 2nd stop Prover complete Alarms with the Prover Function The module offers these alarms when operating wit...

Страница 44: ...es that can be configured to adjust the fill application for specific circumstances Those features are described later in this chapter The filler function requires a ladder program transition to start...

Страница 45: ...lls or to prevent overfills the pretrigger feature helps make sure that the full flow valve turns off before it reaches the Fill Transition or Fill Total Target volume When the filling application rea...

Страница 46: ...configure channel 0 Local X C Ch0LowFreqClear Local X C Operations 0 MinDetectableFreq PreTrigger PreTrigger works only on the Full Flow state PreTrigger turns OFF the Full Flow state when it determin...

Страница 47: ...cy latched Acceleration Input accelerates at a particular rate latched Full Flow State Module is operating in the full flow state Trickle Flow State Module is operating in trickle state Tie to Counter...

Страница 48: ...or In Hold Filler Enabled only waiting for start Timed Trickle Flow complete not filled Full Flow Active or Running Timed Trickle Flow Active Full Flow Active Trickle Flow Active Fill complete 7 in mo...

Страница 49: ...ate Use Gross Rate to convert total counts to rate units The module employs a user defined K factor in the conversion The K factor is a divisor and the time interval is divided by this number as shown...

Страница 50: ...2 Float REAL 71 0 Yes C Operations 0 kFactStruct kFactorForChan 3 Float REAL 111 0 Yes C Operations 0 kFactStruct kFactorForChan 4 C Operations 0 kFactStruct kFactorForChan 12 Float REAL 0 Yes C Opera...

Страница 51: ...larms with the Filler Function The module offers these alarms when operating the filler function Overflow Alarm TotalCounts RollOver Value Overrange Alarm FreqPeriod 100kHz Overspeed Alarm Speed Highe...

Страница 52: ...f 0 0 Typical behavior when firmware revision 1 x is used If the C OutputSetup X TriggerOn value is 1 a frequency count corresponding to the TriggerOn frequency activates the Ch X Overspeed Alarm whic...

Страница 53: ...se options If you are using RSLogix 5000 software version 16 or earlier see page 129 If you are using programming software version 17 or later add a new module to your I O Configuration folder and com...

Страница 54: ...54 Rockwell Automation Publication 1756 UM010C EN P June 2021 Chapter 3 Configurable Flowmeter Module Features and Operational Modes Notes...

Страница 55: ...s 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...

Страница 56: ...rnal damage and affect normal operation Follow these guidelines when you handle this equipment Touch a grounded object to discharge potential static Wear an approved grounding wriststrap Do not touch...

Страница 57: ...ccur 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 c...

Страница 58: ...positions on the module that correspond to unkeyed positions on the RTB For example if you key the first position on the module leave the first position on the RTB unkeyed Key the Module 1 Insert the...

Страница 59: ...can occur This could cause an explosion in hazardous location installations Be sure that power is removed or the area is nonhazardous before proceeding IMPORTANT We recommend grounding the drain wire...

Страница 60: ...of RTBs available for use with the 1756 CFM module 1756 TBSH Spring Clamp RTB 1756 TBNH NEMA Screw RTB 1756 TBSH Spring Clamp RTB 1 Strip 11mm 7 16 in maximum length of wire 2 Insert the screwdriver...

Страница 61: ...Standard Flowmeter Wiring Example Shield ground Flowmeter Device Z0 12 24V DC Z0 5V DC Z0 Return Customer VCC F0 F0 Return Not used Not used Output 0 Customer VCC Z1 12 24V DC Z1 5V DC Z1 RET Not used...

Страница 62: ...V DC standard prover connected to the module If you use a 5V DC standard prover make sure the positive wire is connected to the 5V terminal e g Z0 5V DC If separate power sources are used do not excee...

Страница 63: ...dard prover connected to the module If you use a 5V DC standard prover make sure the positive wire is connected to the 5V terminal e g Z0 5V DC If separate power sources are used do not exceed the spe...

Страница 64: ...wires in the strain relief area with a cable tie If separate power sources are used do not exceed the specified isolation voltage Load Load Z0 12 24V DC Z0 5V DC Z0 Return Customer VCC F0 F0 Return N...

Страница 65: ...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 1 Align the side top and bottom RTB guides...

Страница 66: ...to the module Removing the Removable Terminal Block from the Module Before removing the module you must remove the RTB 1 Unlock the locking tab at the top of the module Locking tab WARNING When you co...

Страница 67: ...the chassis 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...

Страница 68: ...68 Rockwell Automation Publication 1756 UM010C EN P June 2021 Chapter 4 Install the Configurable Flowmeter Module Notes...

Страница 69: ...orm each task mentioned in the overview Examples of how to configure your configurable flowmeter module for any of these operational modes High Resolution Frequency mode Totalizer mode using the prove...

Страница 70: ...module in one of these ways Controller project goes online Typically this is the method in which initial configuration is sent When the project goes online a program is downloaded to the controller a...

Страница 71: ...nge Configuration via the Tag Editor To Alter Default Configuration To Use Default Configuration New Module FINISH Go online to download new configuration RPI Screen Set RPI Inhibit module Major fault...

Страница 72: ...e and created a controller you must create a new module The wizard lets you create a new module and set communication options 1 Go offline 2 Select a 1756 CFM module IMPORTANT You must be offline when...

Страница 73: ...lick here This step is not required with all versions of the programming software 5 Choose an Electronic Keying method For a detailed explanation of this field go to page 22 If you want to use default...

Страница 74: ...onfiguration data With this option as opposed to the Data option you can configure specific output On Off frequencies rather than use fixed frequency limits Listen only Data Use this format for any co...

Страница 75: ...nto the module s slot in the chassis This screen shows the choices available For more information see Electronic Keying on page 22 Using the Default Configuration If you want to use the default config...

Страница 76: ...you are offline If a fault occurs while the module is online the type of fault will be displayed here Inhibit the connection to the module here Adjust the Requested Packet Interval here Click here to...

Страница 77: ...ge you have two options Monitor tags This option lets you view tags and change their values Edit tags This option lets you add or delete tags but not change their values 1 Access the tags 2 View tags...

Страница 78: ...t basis Configurable Features There are two ways to change the configuration Use a pull down menu Highlight the value of a particular feature for a particular point and type a new value Pull down Menu...

Страница 79: ...t actually take effect until you download the new program that contains that information This downloads the entire program to the controller overwriting any existing programs 1 Download the configurat...

Страница 80: ...es through the tag monitor to make specific configuration changes see page 77 2 Use ladder logic and a configuration message instruction to send the configuration changes to the module see below throu...

Страница 81: ...ing incoming pulses Processing Real Time Control and Module Services Because message instructions use unscheduled portions of systems communication bandwidth the services requested of a module are not...

Страница 82: ...written in the Main Routine section of the programming software 1 Access the Main Routine 2 Add a message instruction to Rung 0 3 Choose a Message element from the Choose Ladder Element screen Double...

Страница 83: ...mark to see the pull down menu 2 Click New Tag IMPORTANT We suggest that you name the tag to indicate what module service is sent by the message instruction For example the message instruction shown...

Страница 84: ...odule service to perform and where to perform it For example the screen below shows the information needed to send a configuration message module service to a 1756 CFM module where to perform service...

Страница 85: ...le distinguishes exactly for which module a message is designated Tag Pop up Screen This screen provides an opportunity to change some characteristics of the newly created tag Access this screen to ch...

Страница 86: ...NBR module in the local chassis 2 Choose a 1756 CNB or 1756 CNBR module on the Select Module Type screen 3 Configure the 1756 CNB or 1756 CNBR module For more information on the ControlLogix ControlNe...

Страница 87: ...your configuration through the remote 1756 CNB or 1756 CNBR module 8 Configure remote flowmeter modules by using the same procedures detailed earlier in this chapter to configure local 1756 CFM module...

Страница 88: ...hange according to your application This section offers a sample configuration to configure your module for High Resolution Frequency mode In this configuration channel 0 is configured and channel 1 i...

Страница 89: ...1 resolution of 1 count of 100 000 raw counts 0 00001 C Operations 0 SampleTime Float REAL Sets time for a sample to be taken 2 0 second maximum sample time for High Resolution Frequency mode and 5 0...

Страница 90: ...isplays frequency averaged over the Meter samples on channel 0 I Status 0 Acceleration Float REAL Displays acceleration on channel 0 as calculated by using AccelCalculation samples I Ch0OverrangeAlarm...

Страница 91: ...ou can apply a K factor as a function of frequency as shown This section offers a sample configuration to configure your module for Totalizer mode prover function In this configuration channel 0 is co...

Страница 92: ...ment below this value even though TotalCounts increments over time 5 C Operations 0 HighestAllowedFreq Float REAL User defined value between MinDetectableFreq and 120 000 When the frequency reaches th...

Страница 93: ...C Operations 0 kFactStruct FreqAtKFactor 4 Float REAL Freq 4 for KFactor 4 0 0 C Operations 0 kFactStruct FreqAtKFactor 5 Float REAL Freq 5 for KFactor 5 0 0 C Operations 0 kFactStruct FreqAtKFactor...

Страница 94: ...Frequency Period exceeds 100KHz this alarm is set 0 No Alarm 1 Alarm Enabled 0 O Total 0 Overflow Decimal BOOL Enables the Overflow alarm on output connected to channel 0 When the Total Counts exceeds...

Страница 95: ...0 ProverTotal Float REAL Corrected compensated volume received on Channel 0 during prover cycle Prover total resets when the ProverEnable transitions from 0 1 Prover total concurrently accumulates wit...

Страница 96: ...ou can apply a K factor as a function of frequency as shown This section offers a sample configuration to configure your module for Totalizer mode prover function In this configuration channel 0 is co...

Страница 97: ...t increment below this value even though TotalCounts increments over time 5 C Operations 0 HighestAllowedFreq Float REAL User defined value between MinDetectableFreq and 120 000 When the frequency rea...

Страница 98: ...C Operations 0 kFactStruct FreqAtKFactor 4 Float REAL Freq 4 for KFactor 4 0 0 C Operations 0 kFactStruct FreqAtKFactor 5 Float REAL Freq 5 for KFactor 5 0 0 C Operations 0 kFactStruct FreqAtKFactor...

Страница 99: ...to channel 0 0 Do not begin filling 1 Begin filling 0 O Total 0 FillHold Decimal BOOL Holds pauses filling operation on output connected to channel 0 0 Continue filling operation 1 Hold pause filling...

Страница 100: ...Volume Float REAL Total Counts during each Sample K factor x Meter Factor as occurs on channel 0 I Status 0 NetVolume Float REAL Total Counts during each Sample K factor x MeterFactor x CCF as occurs...

Страница 101: ...or Z 0x11 50 Hz filter for F and 5 kHz filter for Z 0x12 50 Hz filter for F and 50 kHz filter for Z 0x13 500 Hz filter for F and 50 Hz filter for Z 0x14 500 Hz filter for F and 5 kHz filter for Z 0x15...

Страница 102: ...ter for Z and 1 s debounce filter for Z 0x2A 5 kHz filter for F 50 kHz filter for Z and 1 s debounce filter for Z 0x2B 50 kHz filter for F 50 Hz filter for Z and 1 s debounce filter for Z 0x2C 50 kHz...

Страница 103: ...Modules Table 11 1756 CFM Module Status Indicators LED Indicators This Display Means Take This Action OK Steady green light The inputs are being multicast and in normal operating state None OK Flashi...

Страница 104: ...ine Notification in the Tag Editor General module faults are also reported in the Tag Editor Diagnostic faults are only reported in the Tag Editor Status on the Module Info Page The screens below disp...

Страница 105: ...ware and in the EXERR field of the message variable when your reconfigure the module The fault type is listed here In this example Error 16 0011 means Counter 0 was set to an invalid Operational Mode...

Страница 106: ...MIC_ERROR_VALUE 11 BAD_TRIGGER_ON_VALUE 12 BAD_COUNTER_TIE_VALUE 19 BAD_CCF_VALUE 20 BAD_BASE_TEMPERATURE_VALUE 21 BAD_FLOWINGTEMP_VALUE 22 BAD_ATMOSPHERICPRESSURE_VALUE 23 BAD_STATICGAUGEPRESSURE_VAL...

Страница 107: ...ram mode setting 1 outputs use fault mode settings C ChannelCfgBits for Channel 0 Binary SINT C Ch0ProverDirection Decimal BOOL Defines the direction of a prover connected to Channel 0 0 unidirectiona...

Страница 108: ...rements over time C Operations 0 HighestAllowedFreq Float REAL User defined value between MinDetectableFreq and 120 000 When the frequency reaches this level it sets the Overflow alarm limit C Operati...

Страница 109: ...Freq 8 for KFactor 8 C Operations 0 kFactStruct FreqAtKFactor 9 Float REAL Freq 9 for KFactor 9 C Operations 0 kFactStruct FreqAtKFactor 10 Float REAL Freq 10 for KFactor 10 C Operations 0 kFactStruct...

Страница 110: ...C Operations 1 kFactStruct FreqAtKFactor 2 C Operations 1 kFactStruct kFactorForChan 3 Float REAL This tag is an ordered pair with tag C Operations 1 kFactStruct FreqAtKFactor 3 C Operations 1 kFactSt...

Страница 111: ...C OutputSetup 0 TriggerOn Decimal SINT Sets when output 0 energizes 0 No Action 1 Frequency 2 Acceleration 3 Full Flow State 4 Trickle Flow State 5 Prover Run State 6 Prover Range State C OutputSetup...

Страница 112: ...0AccelerationAlarm Decimal BOOL Displays whether acceleration alarm was set on channel 0 0 alarm was not set 1 alarm was set I Ch0OverspeedAlarm Decimal BOOL Displays whether overspeed alarm was set o...

Страница 113: ...ossVolume Float REAL Total Counts during each Sample K factor x Meter Factor as occurs on channel 0 I Status 0 NetVolume Float REAL Total Counts during each Sample K factor x MeterFactor x CCF as occu...

Страница 114: ...L Total Counts during each Sample K factor x Meter Factor as occurs on channel 1 I Status 1 NetVolume Float REAL Total Counts during each Sample K factor x MeterFactor x CCF as occurs on channel 1 I S...

Страница 115: ...etCounter 0 1 bit goes high the tagname I WasReset 0 1 goes low until the tagname I StoredValue 0 1 equals 0 At that time tagname I WasReset 0 1 will go high again The toggle from On to Off is done qu...

Страница 116: ...1 Alarm Enabled O Total 1 Acceleration Decimal BOOL Enables the Acceleration alarm on output connected to channel 1 When the absolute acceleration exceeds the Acceleration Alarm value this alarm is se...

Страница 117: ...FillTransitionTimer Float REAL O OutputControl 0 0 A series of tags similar to this one are used repeatedly for outputs 0 31 connected to channel 0 The name changes in each occurrence for the specific...

Страница 118: ...118 Rockwell Automation Publication 1756 UM010C EN P June 2021 Appendix B Software Configuration Tags Notes...

Страница 119: ...consists of Flowmeter input circuits gate input circuits Flowmeter Inputs The flowmeter input circuit combines operational amplifier principles with solid state devices to provide constant logic pulse...

Страница 120: ...Z0 RET Z1 RET physical and electrical isolation Z0 5V Z1 5V 2 1 Input 6 5 RET 1 k R2 150 R1 D1 D3 D2 Q1 R6 R7 C28 5V U2 C26 4 3 Z0 12 24V Z1 12 24V C27 Z0 Z1 CASE A for 5V DC operation CASE B for 10...

Страница 121: ...ent magnitude can be determined by IMPORTANT This schematic represents the Series B module Z0 RET Z1 RET physical and electrical isolation Z0 5V Z1 5V 2 1 Input 6 5 RET D21 R193 R177 R65 4 3 Z0 12 24V...

Страница 122: ...When an output is turned on current flows into the source out of the drain through the load connected to the ground of the customer supply customer return Diode D26 protects the power output transisto...

Страница 123: ...und of the customer supply customer return Diode D34 protects the power output transistor Q11 from damage due to inductive loads Output transistor Q28 is thermally protected by MOS Driver and turns of...

Страница 124: ...124 Rockwell Automation Publication 1756 UM010C EN P June 2021 Appendix C Module Schematics Notes...

Страница 125: ...1 Calculate frequency accuracy 2 Determine the application s operating conditions and add the error for those conditions to the value obtained in step 1 These values must be added to your frequency ac...

Страница 126: ...his range greater than 1 Ts to 120 kHz use the equation below EXAMPLE Based on the equations listed above if your application uses a Ts 0 1 seconds the cut off frequency for choosing an equation is 10...

Страница 127: ...Calculate Frequency Accuracy You can calculate frequency accuracy in Totalizer mode for Frequency Period Speed Frequency average Frequency Period For frequency period you must know User defined sample...

Страница 128: ...r example in an application with these conditions 0 001 filter resolution 25 C operating temperature accuracy is determined with this equation EXAMPLE For example in an application with these conditio...

Страница 129: ...e from one of these locations As packaged with the1756 CFM firmware revision 2 4 firmware kit provided at http www rockwellautomation support In the RSLogix 5000 software version 16 quick start page T...

Страница 130: ...named CFM_DEMO 2 Specify the controller type revision number chassis type and slot number according to your ControlLogix controller chassis 3 In the I O Configuration folder add a new module 4 Use th...

Страница 131: ...ProfileExample ACD 3 In the controller organizer of the CFM_GenericProfileExample project expand the User Defined data types 4 Copy one of the User Defined data types You must select and copy each of...

Страница 132: ...the CFM_DEMO project paste the copied data tags into the Controller Tags folder by using the Edit Tags tab 9 In the CFM_GenericProfileExample project copy ladder logic rung 1 in the Main Routine fold...

Страница 133: ...ler Tag folder and view the Monitor Tags tab 2 Expand the CFM_B_C tag until you reach the CFM_B_C OutputWindow data tags 3 In the Value column of CFM_B_C OutputWindow FreqOn and FreqOff data tags ente...

Страница 134: ...mming for an existing 1756 CFM module 2 In the I O configuration delete the existing 1756 CFM module 3 In the I O configuration add a new module Use the generic 1756 module profile listed in Other mod...

Страница 135: ...leExample ACD 3 In the controller organizer of the CFM_GenericProfileExample project expand the User Defined data types 4 Copy one of the User Defined data types You must select and copy each of the U...

Страница 136: ...oject copy these Controller Tag data tags 8 In the other RSLogix 5000 project paste the copied data tags into the Controller Tags folder 9 In the CFM_GenericProfileExample project copy ladder logic ru...

Страница 137: ...ags 3 In the Value column of the CFM_B_C OutputWindow data tags enter the desired the On and Off frequency limits See Table 5 on page 52 for more information about determining your On Off frequency li...

Страница 138: ...138 Rockwell Automation Publication 1756 UM010C EN P June 2021 Appendix E Configure Output Behavior with RSLogix 5000 Version 16 and Earlier Notes...

Страница 139: ...ndividual connection with I O modules Disable keying Option that turns off all electronic keying to the module Requires no attributes of the physical module and the module configured in the software t...

Страница 140: ...go to their configured program mode state Prover Device used for the calibration of liquid meters in custody transfer applications Calibration compares a metered throughput to a known volume in the pr...

Страница 141: ...s Pop Up Screen 85 Compatible Match Electronic keying 139 Configuration 69 Altering the default configuration 71 76 Changing at the tags 78 Changing during module operation 80 Communications pop up sc...

Страница 142: ...method in RSLogix 5000 73 Choosing in RSLogix 5000 75 Compatible match 139 Disable keying 139 Exact match 139 Error Codes 105 Exact Match Electronic keying 139 F Fault Reporting 21 76 105 Error codes...

Страница 143: ...with prover function in totalizer mode 40 Frequency Period Feature with prover function in totalizer mode 40 Functions Filler function in totalizer mode 44 Prover function in totalizer mode 36 G Gate...

Страница 144: ...Connection 139 Locking Tab 10 Logix5550 Controller 11 31 36 Low Frequency Clear Feature in high resolution frequency mode 32 with filler function in totalizer mode 46 with prover function in totalize...

Страница 145: ...erational Modes High resolution frequency mode 12 31 139 Nonresettable totalizer 35 Nonresettable totalizer mode 140 Totalizer 35 Totalizer mode 12 140 Output Tags Data Structure 115 Outputs Current s...

Страница 146: ...re 39 Total overspeed feature 40 Trigger on feature 39 Prover Total Feature with prover function in totalizer mode 40 R Remote Chassis CFM module operation 17 20 Configuring CFM modules 86 Remote Conn...

Страница 147: ...e in high resolution frequency mode 32 Schematics 119 Discrete outputs 122 Flowmeter inputs 119 Gate inputs 120 Input circuits 119 Output circuits 122 Speed Feature with prover function in totalizer m...

Страница 148: ...t operation 35 Prover function 36 Terminal usage 35 Trickle feature 45 Trickle Feature 140 for filler function in totalizer mode 45 Trigger On Feature in high resolution frequency mode 33 with filler...

Страница 149: ...Rockwell Automation Publication 1756 UM010C EN P June 2021 149 ControlLogix Configurable Flowmeter Module User Manual...

Страница 150: ...owledgebase articles rok auto knowledgebase Local Technical Support Phone Numbers Locate the telephone number for your country rok auto phonesupport Literature Library Find installation instructions m...

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