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1. E o gt acre pa Page Control Navigation 2 M m Mode Configuration Button Label Weigh Scale Dosing tate and ag Tag PDoseWS Rate Units LbMin Rate Units Input Weight PY Scaling Input Scaled Maximum 10000 00 10000 00 a Scaling And Units for Units Y Auto adjust Preact after each delivery Y Running reduces weight transfer out Rockwell Automation Publication SYSLIB RM021E EN E August 2014 43 Weigh Scale Dosing P_DoseWS The following table lists the functions on page 1 of the Engineering tab Table 12 Engineering Tab Page 1 Description Function Security Configuration Parameters Click to navigate to the Configuration Mode display Engineering See Mode Configuration configuration display on page 44 code E Description Type the device description to be used on the faceplate title bar Cfg_Desc Label Type the device label to be used on the graphic symbol Cfg_Label Tag Type the tagname to be used on the title bar of the operator faceplate and in the Tooltip Cfg_Tag Rate units Type the engineering units text for the rate of delivery Cfg_RateEU Input WeightPV Type the minimum and maximum values for Scaling Raw the raw Input from the weigh scale These maximum and values are used for scaling from raw to minimum input engineering units e Cfg_InpRawMin e Cfg_InpRawMax Input Weight PV Type the minimum and maximum values for Scaling Scaled the scaled
2. 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 DU002 available at http www rockwellautomation com literature Rockwell Automation maintains current product environmental information on its website at http www rockwellautomation com rockwellautomation about us sustainability ethics product environmental compliance page Rockwell Otomasyon Ticaret A S Kar Plaza Is Merkezi E Blok Kat 6 34752 erenk y Istanbul 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 SYSLIB RM021E EN E August 2014 Supersedes Publication SYSLIB RM021D EN E September 2013 Copyright 2014 Rockwell Automation Inc All rights reserved Printed in the U S A
3. Publication SYSLIB RM021E EN E August 2014 Simulation Weigh Scale Dosing P_DoseWS When the P_DoseWS block is placed in simulation it continues to generate its outputs to control equipment but the vessel weight is ignored and a simulated weight is generated This operation in simulation is different from the equipment motor valve drive instructions downstream equipment instructions must be put in simulation so that their A WARNING In order to avoid starting equipment during simulation the outputs are held in the SAFE state Failure to do this can result in personal injury or equipment damage Set the Inp_Sim parameter to 1 to enable simulation The Simulation or Loopback Test icon cT is displayed at the bottom left of the faceplate to indicate the device is in simulation While in simulation you can use the following parameters to control how the weight is simulated e Cfg SimStartWt when the Tare function is used this value will be copied to the simulated scale weight As delivery occurs the simulated weight will increase transfer in or decrease transfer out from this point e Cfg SimRate the full rate to be used for delivery in weight units rate time e Cfg SimDribbleRate the rate to be used for dribble in weight units rate time When you have finished simulation clear the Inp_Sim parameter to 0 to return to normal operation Execution The following table expla
4. Use the P_DoseFM instruction instead e You need to control precision blending This instruction does not include capability for controlled rate addition such as ratio control digital blending or precision blending Contact your Rockwell Automation representative for a blending solution e You need only a totalizer integrator Use the built in TOT instruction instead e You need only to display a weigh scales s weight or generate high and low weight alarms Use the P_AIn Analog Input Add On Instruction instead You could need additional logic in these situations e You need more complicated sequencing including special actions when restarting aborting or holding an addition This sort of sequencing is a good candidate for an equipment phase Equipment phase logic can drive the P_DoseWS instruction by using its Program mode commands and settings e The material transfer equipment requires complicated startup and shutdown logic You can provide this logic separately and use the P_DoseWS outputs to trigger the logic for startup and shutdown of ingredient delivery 8 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Functional Description OPERATOR Setpoint Scale Tared Scale Weight Tare Current gt 109 59 Pounds 40 41 Pounds 153 44 Lb Min 149 67 Pounds Total Delivered Flow Stopped in Tolerance Preact 0 08 150 00 730 60 730 60 Flow Dribble Add On Instruc
5. appears in a magenta box For the Dosing with Weigh Scale Instruction the Invalid Configuration Indicator appears under the following conditions e Weight Input Raw Minimum and Raw Maximum scaling parameters are set to the same value e Weight Scaled engineering units Minimum and engineering units Maximum scaling parameters are set to the same value e Rate Filter Time Constant value is less than zero e Rate Time value is less than or equal to zero e Maximum Allowed Quantity Setpoint value is less than or equal to zero e Scale Tare Fault Limit value is less than zero e Simulation Starting Weight Simulation Flow Rate or Simulation Dribble Rate value is less than or equal to zero Rockwell Automation Publication SYSLIB RM021E EN E August 2014 27 Weigh Scale Dosing P_DoseWS e Settle Time Bump Time Clear Pulse Time or Equipment Fault Check Time is set to a value less than zero or greater than 2 147 483 seconds e Alarm Minimum On Time is set to a value less than zero or greater than 2 147 483 seconds e Alarm Severity is set to a value less than 1 or greater than 1000 TIP When the Not Ready indicator appears you can find what condition is preventing operation by following the indicators Click the graphic symbol to open the faceplate The Not Ready indicator appears next to the appropriate tab at the top of the faceplate to guide you in finding the condition When you navigate to the tab the condition preventin
6. for calculated rate Cfg_RateFiltTC Enter the time factor for rate If the rate is in units per second enter 1 0 if the rate is in units per minute enter 60 0 and so on Cfg_RateTime 46 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Weigh Scale Dosing P_DoseWS Engineering Tab Page 3 P_DoseW5 Dosing with Weigh Scale a 1 2 Operator Keeps Program Keeps Control in Control in Program Mode Operator Mode start and Stop Commands setpoint Dribble and Preact settings High and Lowy Tolerances Delivery rate in Loopback Test Lbir k Dribble rate in Loopback Test Lp Min 0 20 Tare Weight in Loopback Test 0 00 Pounds The following table lists the functions on page 3 of the Engineering tab Table 14 Engineering Tab Page 3 Description Function Action Security Configuration Parameters Operator keeps Check to keep control of dosing Engineering Cfg_OperKeep 0 control in program commands such as tare and start configuration mode Start amp stop flow with the operator even if the code E commands instruction is in Program mode Clear this checkbox to have control of dosing commands follow the Instruction mode Program keeps Check to keep control of dosing Cfg_ProgKeep 0 control in operator commands such as tare and start mode Start stop flow with the program even if the commands instruction is in Operator mode Clear this checkbo
7. input from the weigh scale in maximum and engineering Units These values are used for minimum input scaling from raw to engineering units Cfg_PVEUMin Cfg_PVEUMax Units Type the engineering units text for the weight from the scale Cfg_QtyEU Auto adjust preact Check to automatically adjust the preact based Cfg_AutoAdjPreact after each delivery on the actual vs setpoint quantity after each successful delivery Clear this checkbox to leave the preact as entered Running reduces Check if the weight on the scale decreases as Cfg_LossInWeight weight transfer delivery proceeds material is transferred out of out the vessel being weighed Clear this checkbox if the weight on the scale increases as delivery proceeds material is transferred into the vessel being weighed Mode Configuration Display A LULUlUl Default mode used when there are no mode requests Program Operator 44 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Weigh Scale Dosing P_DoseWS This display lets you select the default mode for the object by selecting the appropriate mode IMPORTANT _ Ifno mode is being requested changing the default mode changes the mode of the instruction You must have FactoryTalk View security code E to select the default mode on this display Engineering Tab Page 2 P_DoseW5 Dosing with Weigh Scale wie 4 A ela 3 Y slow to Dribble before complete Y Clear P
8. page one of the Maintenance tab Table 10 Maintenance Tab Page 1 Description Button Field Action Security Configuration Parameters Click to request Maintenance mode Equipment None maintenance code C amp Click to release Maintenance mode Raw Weight Input Click to open an upstream channel Normal Pounds object faceplate for example operation of P_AlChan Devices IMPORTANT Enable navigation to code A Weight input object on page 2 of the Engineering tab must be enabled for this field to be displayed See Engineering Tab Page 2 on page 45 Dribble quantity Configure the quantity in pounds left Pounds to deliver before switching toa reduced flow rate dribble for finer control of the final quantity Preact quantity Configure the quantity prior to Pounds reaching the setpoint before commanding the delivery equipment to stop and let the equipment react This helps to prevent overshooting the delivery setpoint Delivery Tolerance Type the high tolerance threshold over Setpoint When a tolerance check is initiated if the delivered quantity exceeds the setpoint amount by more than this amount the delivery is over tolerance the over tolerance alarm is raised if enabled Delivery Tolerance Type the low tolerance threshold below Setpoint When a tolerance check is initiated if the delivered quantity falls short of the setpoint amount by more than this amount the delivery is under to
9. parameters do not reset automatically Rockwell Automation Publication SYSLIB RM021E EN E August 2014 15 Weigh Scale Dosing P_DoseWS Table 3 P_DoseWS Input Parameters Data Description Type BOOL When Cfg_PCmdClear is 1 e Set PCmd_Lock to 1 to Lock Mode PCmd_Unlock Set PCmd_Unlock to 1 to Unlock e These parameters reset automatically Set PCmd_Lock to 1 to Lock Set PCmd_Lock to 0 to Unlock PCmd_ Unlock is not used These parameters do not reset automatically Input Parameter PCmd_ Lock PCmd_ Unlock PCmd_ Reset PCmd_OverTolAck PCmd_UnderTolAck PCmd_TareFaultAck PCmd_EqpFaultAck PCmd_OverlolSuppress PCmd_UnderTolSuppress PCmd_TareFaultSuppress PCmd_EqpFaultSuppress PCmd_OverTolUnsuppress PCmd_UnderTolUnsuppress PCmd_TareFaultUnsuppress PCmd_EqpFaultUnsuppress PCmd_OverTolUnshelve PCmd_UnderTolUnshelve PCmd_TareFaultUnshelve PCmd_EqpFaultUnshelve OCmd_Tare OCmd_StartFlow OCmd_StopFlow OCmd_CheckTol OCmd_Bump MCmd_ Acq MCmd_ Rel OCmd_AcqLock OCmd_Unlock OCmd_Reset OCmd_ResetAckAll 16 UnderTol PCmd_Ack PCmd_Ack Se PCmd_Ack a PCmd_Ack BOOL bi PCmd OverTol PCmd_Suppress EqpFault PCmd_Unsuppress PCmd_Unsuppress Underlol PCmd_Unshelve PCmd_Unshelve AS PCmd_Unshelve ee PCmd_Unshelve BOOL When Cfg_PCmdClear is 0 Set PCmd_Reset to 1 to reset all alarms requiring reset This parameter is always reset automatically Set PCmd_ lt Alarm gt Ack to 1 to Ackno
10. quantity before total to stop flow engineering units Operator setting of high excess tolerance limit Operator setting of low shortage tolerance limit When Cfg_PCmdClear is 1 Set PCmd_Tare to 1 to reset the delivered quantity to 0 e This parameter is reset automatically When Cfg_PCmdClear is set to 0 Set PCmd_Tare to 1 to reset the delivered quantity to 0 e This parameter is not reset automatically When Cfg_PCmdClear is 1 Set PCmd_StartFlow to 1 to start delivery Set PCmd_StopFlow to 1 to stop delivery Set PCmd_CheckTolerances to 1 to check tolerances These parameters reset automatically When Cfg_PCmdClear is 0 e Set PCmd_StartFlow to 1 to start delivery e Set PCmd_StopFlow to 1 to stop delivery Set PCmd_CheckTolerances to 1 to check tolerances e These parameters do not reset automatically When PCmd_ Bump is set to 1 e Ifthe configured bump time Cfg_BumpT is non zero then bump delivery for the configured bump time PCmd_Bump is cleared automatically e Ifthe configured bump time Cfg_BumpT is zero then bump delivery until PCmd_Bump is returned to 0 PCmd_Bump is not cleared automatically e fg_PCmdClear does not affect this parameter When Cfg_PCmdClear is 1 e Set PCmd_Acq to 1 to Acquire e Set PCmd_Rel to 1 to Release e These parameters reset automatically When Cfg_PCmdClear is 0 e Set PCmd_Acq to 1 to Acquire e Set PCmd_Acq to 0 to Release e PCmd_Rel is not used e These
11. AM 0 04 23 sta ad uf Led Chel eu Rockwell Automation Publication SYSLIB RM021E EN E August 2014 51 Weigh Scale Dosing P_DoseWS Alarms Tab The Alarms Tab shows all the available alarms for the device and their current status From here Alarms can be acknowledged and reset Click an alarm name to open the alarm detail faceplate for that alarm where the alarm can be shelved by the operator disabled by maintenance or configured by engineering P DoseWS Dosing with Weigh Scale Device Not Ready Indicator Alarm Severity Indicators Alarm Names Acknowledge Alarm Command Button Reset and Acknowledge All Alarms Command Button Click an alarm name to open the P_Alarm faceplate for that alarm From the P_Alarm faceplate you can configure and perform additional operations on the alarm If an alarm is active the panel behind the alarm changes color to match the severity of the alarm The color of the bell icon at the top of the faceplate shows the highest active alarm s severity and the icon blinks if any alarm is unacknowledged or requires reset 52 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Weigh Scale Dosing P_DoseWS The following table shows the colors associated with alarm severity Table 15 Alarm Severity Colors Color Definition Magenta Urgent Red High Yellow Medium Blue Low White bell icon All alarms have cleared but one or more
12. Add On Instructions are reusable code objects that contain encapsulated logic that can streamline implementing your system This lets you create your own instruction set for programming logic as a supplement to the instruction set provided natively in the ControlLogix firmware An Add On Instruction is defined once in each controller project and can be instantiated multiple times in your application code as needed Controller File The P_DoseWS_3_1 00_AOI L5X Add On instruction must be imported into the controller project to be used in the controller configuration The service release number boldfaced can change as service revisions are created 10 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Weigh Scale Dosing P_DoseWS Visualization Files The following files for this Add On Instruction can be downloaded from the Product Compatibility and Download Center at http www rockwellautomation com rockwellautomation support pcdc page IMPORTANT Files must be imported in the following order image files then global object files and then graphic files This order is required to properly configure the visualization files Table 2 P_DoseWS Visualization File Types Graphics Displays GFX The faceplate display used for the object The Quick display used for the object RA BAS Common AnalogEdit Faceplate used for analog input data entry The FactoryTalk View ME faceplates use the native analog input data entry
13. Flow Available in gt Operator or Maintenance Mode when totalizer is running _ Stop Flow Available in M x Operator or Maintenance Mode when totalizer is running Ed No Mode Out of Service Tare Scale 0 0 Available in Operator or Maintenance Mode Bump Flow Available in Operator or Maintenance Mode gt when the delivered value is less than the setpoint but greater than the setpoint minus the preact Faceplate Help Page 2 Weighscale Dosing Faceplate Help mcs Alarms Equipment Fault Alarm x The Equipment Faut Alarm is triggered when the controlled hardware senzor or controlled equipment for example detect and report a problem Over Tolerance Alarm The Over Tolerance Alarm is triggered when the final quantity delivered if above the high tolerance setpoint Under Tolerance Alarm The Under Tolerance Alarm is triggered when the final quantity delivered is below the high tolerance setpoint Tare Fault Alarm The Tare Faul alarm is triggered when the scale fails to hold at the point which it was tared Rockwell Automation Publication SYSLIB RM021E EN E August 2014 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 and application notes sample code and links to software service packs You can also visit our Support Center at ht
14. Inp_RunFdbk and Inp_DribbleFdbk Dosing with Flowmeter Two S peed Motor FQIC_03 MyP_Motor2Spd_03 Weight F orce P_DoseWS P_Motor2Spd Indicating Transmitter Dosing with Weigh Scale Two S peed Motor Inp_WeightPW Out_RunFlow 3 A Inp_SlowRunFdbk Out_RunSlow E am Jl a E gt Inp_RunFdbk Out_DribbleFlow o ae Inp_FastRunFdbk Out_RunFast E Run JA gt Inp_DribbleFdbk Lo E Inp_intlkoK Sts_Stopped E 8 E3 i A Inp_StopFdbk E Inp_NBintkOkK Sts_RunningSlow E A 8 B3 i Dri bble iE ne el Inp_PVBad ig Inp_ Reset Sts_RunningFast 3 Dribble 8 E3 El Inp_CtddEgpF ault PCmd_RunF ast 8 B3 Stop D np Reset L 4 PCmd_RunSlow Run 8 E3 L 8 B3 Tank 2 Strategy Reset 1 Reset received for this P_Reset s scope T2 Reset Out_Reset l 24 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Weigh Scale Dosing P_DoseWS Displ ay Elements A display element global object is created once and can be referenced multiple times on multiple displays in an application When changes are made to the original base object the instantiated copies reference objects are automatically updated Use of global objects in conjunction with tag structures in the ControlLogix system aid consistency and save engineering time Table 6 P_DoseWS Display Elements Description Display Element Name Display Element Description GO_Dos
15. Logic routine is not being scanned See Execution for more information on EnablelnFalse processing The Hand and Override ovrd modes are not used These modes are typically used by the controlled equipment Refer to the Rockwell Automation Library of Process Objects Common Mode Block P_Mode Reference Manual publication SYSLIB RMO005 for more information Alarms The P_DoseWS instruction uses the following alarms implemented by using embedded P_ Alarm Add On Instructions Alarm Description Overtolerance OverTol Raised when tolerance check is performed if the quantity delivered exceeds the setpoint by more than the high tolerance limit Under Underlol Raised when the tolerance check is performed if the quantity delivered falls tolerance short of the setpoint by more than the low tolerance limit warning TIP The Bump function can be used to make up the shortage Equipment EqpFault Raised if the controlled equipment asserts the Inp_CtridEqpFault input or if fault the equipment feedback signals fail to track the commanded state of the equipment If configured as a shed fault this also stops flow if it is running Tare fault TareFault Raised if the scale is tared and then drifts away from the tare weight before the start flow command is received Refer to the Rockwell Automation Library of Objects Common Alarm Block P_Alarm Reference Manual publication SYSLIB RMO002 for more information Rockwell Automation
16. M021E EN E August 2014 37 Weigh Scale Dosing P_DoseWS Maintenance Tab Maintenance personnel use the information and controls on the Maintenance tab to make adjustments to device parameters troubleshoot and temporarily work around device problems and disable the device for routine maintenance The Maintenance is divided into two pages Maintenance Tab Page 1 Page one of the Maintenance tab shows the following information e Current mode Operator Program or Maintenance e Requested modes indicator highlights all of the modes that have been requested and the left most highlighted mode is the active mode e Current high tolerance value e Current low tolerance value e Dribble quantity data entry field e Preact quantity data entry field P DoseWS Dosing with Weigh Scale 2 Mode Indicator _ _ gt Operator Requested Modes Indicator 3 O Input Signal from E i Weigh Scale gt Raw Weight Input Dribble Quantity Pounds Preact Quantity Pounds Delivery Tolerance over setpoint Delivery Tolerance below setpoint 0 53 1 00 1 00 Y Lise Equipment Feedback 38 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Y Bumpless Program Dperator transition 912 Y le A elle 400 0 53 1 00 1 00 Maintenance Mode Acquire and Release Command Buttons Weigh Scale Dosing P_DoseWS The following table shows the functions on
17. Personal Protective Equipment PPE Follow ALL Regulatory requirements for safe work practices and for Personal Protective Equipment PPE gt gt gt Allen Bradley Rockwell Software Rockwell Automation RSLogix Logix5000 FactoryTalk PlantPAx and ControlLogix are trademarks of Rockwell Automation Inc Trademarks not belonging to Rockwell Automation are property of their respective companies Preface Weigh Scale Dosing P_DoseWS Table of Contents Software Compatibility and Content Revision 0 20 00s 5 Additional Resources lt 4 oi ccvsucdec Ga sau ced dav eek tiudewsioeiceaed 6 Gide necios dde pcs 7 Fonciona Descrip irte 9 DEC Deedee ee 10 Controller Files ic 4ic4eteoiidsteetiowseadielegoeresscautas 10 Visualization les is 11 Controller Code scan cuenta a eb dais one ets 12 Weigh Scale Dosing Input Structure 00 eee eee eee eee 12 Weigh Scale Dosing Output Structure 0 eee eee eee 17 Weigh Scale Dosing Local Configuration Tags 21 OPIO ruda ada 22 Nod rotatorios 22 PET T AS AA 22 SAUA Oee e a a a A cls a eats geen be 23 PE RCCWE OW ed rs ada 23 Procramming Explorar AE T ieee 24 Display Elements bios tan 25 Graphic Representa ericcson ire ada 26 Status Quality id icators a2 itu pr cris 27 Maintenance Bypass Indicato aieiaa a ida 28 Mode lndicatots e rerepen kneri as dar e a boners 29 Alam nde tidad satis balde idos 30 Use Global ODJECE sail 31 Quick Display
18. Reference Manual PlantPAx Process Automation System Rockwell Automation Library of Process Objects Weigh Scale Dosing P_DoseWS Version 3 1 D Allen Bradley Rockwell Software Automation Important User Information Read this document and the documents listed in the additional resources section about installation configuration and operation of this equipment before you install configure operate or maintain this product Users are required to familiarize themselves with installation and wiring instructions in addition to requirements of all applicable codes laws and standards Activities including installation adjustments putting into service use assembly disassembly and maintenance are required to be carried out by suitably trained personnel in accordance with applicable code of practice If this equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired 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 Aut
19. alarms are unacknowledged Background light gray No alarm The following table shows the functions on the Alarms tab Table 16 Alarms Tab Description Click to acknowledge the alarm Acknowledge Alarms Code F Reset and acknowledge all alarms Alarm Name Click an alarm name to display the Alarm Operator faceplate The Reset and Acknowledge All Alarms button is enabled the panel behind the alarm blinks and the Alarm Acknowledge button is enabled if the alarm requires acknowledgment Click the button with the checkmark to acknowledge the alarm Refer to the Rockwell Automation Library of Process Objects Common Alarm Mode P_Alarm Reference Manual publication SYSLIB RM002 for more information Rockwell Automation Publication SYSLIB RM021E EN E August 2014 53 54 Weigh Scale Dosing P_DoseWS Weigh Scale Dosing Drive Faceplate Help The Faceplate Help is divided into two pages Faceplate Help Page 1 Weighscale Dosing Faceplate Help 1 2 Status Indicators DE Invalid Configuration x Communication Failure A Communication Uncertain O Device Mot Ready To Operate Alarm Inhibit Suppressed or Disabled Y Maintenance Bypass Active y Device in Simulation or Test Device Disabled Mode Indicators P Device in Program Mode o Device in Operator Mode M Device in Maintenance Mode Commands Check Tolerances Available in omit Operator or Maintenance Mode when the flow i stopped Start
20. alid Err_Timer BL 1 Error Cfg_BumpT use 0 0 2 147 483 647 Err_Alarm Bo fe 1 Error alarm minimum on time or severity configuration invalid Sts_ Maint 1 Mode is Maintenance supersedes Override Program Operator Sts_ Prog 1 Mode is Program auto Sts_Oper 1 Mode is Operator manual Sts_ProgOperLock 1 Program or operator has requested mode lock Sts_NoMode 1 No mode disabled because Enableln is false Sts_MAcqRcvd 1 Maintenance acquire command received this scan Sts_OverTol BOOL 1 Delivery out of tolerance high excess Sts_UnderTol 1 Delivery out of tolerance low short Sts_ TareFault 1 Scale reading moved unexpectedly since tare Sts_EqpFault 1 Equipment fault detected Alm_OverTol BOOL 1 Delivery out of tolerance high excess alarm Alm_UnderTol 1 Delivery out of tolerance low short alarm Alm_TareFault 1 Warning scale reading moved since tare Alm_EqpFault 1 Alarm Equipment fault sensor or controlled equipment Ack_OverTol BOOL 1 Over Under Tolerance Tare Fault or Equipment Fault alarm acknowledged Ack_UnderTol Ack_TareFault Ack_EqpFault Sts_OverTolDisabled BOOL 1 Over Under Tolerance Tare Fault or Equipment Fault alarm disabled by maintenance Sts_UnderTolDisabled Sts_TareFaultDisabled Sts_EqpFaultDisabled Sts_OverTolShelved BOOL 1 Over Under Tolerance Tare Fault or Equipment Fault alarm shelved by operator Sts_UnderTolShelved Sts_TareFaultShelved S
21. alue Tag Description see Weigh Scale Dose Tag P_DosewS Path include program scope if tag is a program scope tag ses __ ees additional display parameter e g X100 or CC optional Ere coe Additional display parameter fe g Y100 optional Always show Faceplate 1 Show Quick Display For users Rockwell Automation Publication SYSLIB RM021E EN E August 2014 31 Weigh Scale Dosing P_DoseWS The global object parameters are as follows Parameter Description 102 Y Object tag to point to the name of the associated object Add On Instruction in the controller 103 Y Path used for display navigation features to other objects Include program scope if tag is a program scope tag 120 Additional parameter to pass to the display command to open the faceplate Typically used to define position for the faceplate 121 Additional parameter to pass to the display command to open the faceplate If defining X and Y coordinate separate parameters so that X is defined by 120 and Y is defined by 121 This lets the same parameters to be used in subsequent display commands originating from the faceplate 122 Y These are the options for the global object display 0 Always show faceplate 1 Show Quick Display for users without Maintenance access Code C 2 Always show Quick Display 3 Type the tag or value in the Value column as specified in the Description column TIP Click the e
22. bump command button is pressed If this value is set to zero Bump is treated like a Jog flow starts when the button is pressed and stops when the button is released If this value is greater than zero flow is bumped for the configured time Time after output Type the maximum allowed feedback for equipment time feedback before If equipment feedback is being used Fault seconds the instruction allows this much time after commanding the equipment for feedback to show the equipment in the commanded state before raising a fault status Delay after flow Type the amount of time in seconds stop before after flow is stopped for the scale enabling tolerance reading to settle before a tolerance check seconds check can be commanded Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Configuration Cfg_Bumpl amp tuning maintenance Code D Cfg_Fault Cfg_SettleT Weigh Scale Dosing P_DoseWS Engineering Tab The Engineering tab provides access to device configuration parameters and ranges options for device and I O setup displayed text and faceplate to faceplate navigation settings for initial system commissioning or later system changes The Engineering tab is divided into three pages Engineering Tab Page 1 On page 1 of the Engineering tab you can configure the description label tag weigh scale input scaling and units and rate units for the device P DoseWS Dosing with Weigh Scale
23. ckRegd BOOL OverTol Cfg_ AckRegd 1 These parameters determine whether an acknowledgement is required for an Cfg_EqpFaultResetReqd EqpFault Cfg_ResetReqd alarm When these parameters are 1 the acknowledge ack bit is cleared when Cfg_UnderTolAckReqd Underlol Cfg_ AckRegd the alarm occurs An acknowledge command for example PCmd_EqpFaultAck or EqpFault 0Cmd_ Ack is required to acknowledge the alarm When set to 0 the Cig_TareFaultAckReqd TareFault Cig_AckReqd Acknowledge bit is set when an alarm occurs indicating an acknowledged alarm Cfg_EqpFaultAckReqd EqpFault Cfg_AckRead and no acknowledge command is required Cfg_OverTolSeverity INT OverTol Cfg_Severity These parameters determine the severity of each alarm This drives the colors and symbols that are used to indicate alarm status on the faceplate and global object Cfg_UnderTolSeverity Underlol Cfg_ Severity 500 The following are valid values Cfg_TareFaultSeverity TareFault Cfg_Severity 1000 1 250 Low 251 500 Medium 501 750 High 751 1000 Urgent IMPORTANT For FactoryTalk View software version 7 0 these severity parameters drive only the indication on the global object and faceplate The Alarms and Events definition of severity drives the color and symbol that is used on the alarm banner and alarm summary as well as the value returned by FactoryTalk Alarms and Events display commands Cfg_EqpFaultSeverity EqpFault Cfg_Severity 1000 Cfg_InpRawMin REAL Cfg_I
24. e interface HMI applications that can involve multiple users and servers distributed over a network Provides information for designing configuring and programming Add On Instructions Details how to monitor an input condition to raise an alarm Information includes acknowledging resetting inhibiting and disabling an alarm Generally the P_ Alarm faceplate is accessible from the Alarms tab Explains how to choose the Mode owner of an instruction or control strategy The Mode instruction is usually embedded within other instructions to extend their functionality It is possible to use a standalone Mode instruction to enhance a program where modes are wanted 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 6 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Weigh Scale Dosing P_DoseWS Weigh Scale Dosing P_DoseWS The P_DoseWS Weigh Scale Dosing Add On Instruction controls an ingredient addition that uses a weigh scale to measure the quantity of ingredient added The weigh scale can be on the receiving vessel gain in weight or on the sourcing vessel loss in weight The weigh scale can be connected via an analog input device network or other connection Global Object Stopped a Faceplate 422 09 Pounds P_DoseW5 D
25. eWS Vertical orientation up Starting Dribble LESSSSSSSgSg 5 A ft FHSSSSS Ae aH osos A A FS lt tartin p Horizontal orientation right HA isssss ye Dribible Kis eer i es GO_DoseWS2 Horizontal orientation left HH FR GEGEE HE de cocos HA Graphic objects are provided for use on end user process graphic displays Common attributes of the P_DoseWS graphic symbols include the following e Graphical representation of the device e Maintenance Bypass indicator e Status quality indicator e Mode indicator e Quantity and Scale Weight values e Label e State text e Progress bar percent complete e Quantity and Scale Weight Engineering Units e Color changing alarm border that blinks on unacknowledged alarm e Alarm indicator that changes color for the severity of the alarm Rockwell Automation Publication SYSLIB RM021E EN E August 2014 25 Weigh Scale Dosing P_DoseWS 26 Scale State Indicator Label Symbol Text Alarm Border ee Maintenance Bypass Indicator Stopped Device Not Ready Alarm Indicator 3 gt Indicator Status Quality Am Mode Indicator Indicator Quantity Valu Blue Progress Delivered Quantity and Current Scale Current Scale Weight Value Bar Percent Weight Engineering Units Text Complete The overall graphic symbol includes a touch field over it that opens the object s faceplate In addition pausing the pointing device over the graphic symbol displays a tooltip sho
26. g operation is flagged For the Dosing with Weigh Scale instruction the Device Not Ready indicator appears under the following conditions e There is a configuration error e PV quality bad or communication error e External equipment fault and fault or shed requires reset e Device logic is disabled or there is no mode Maintenance Bypass Indicator This symbol appears to the right of the label to indicate that a Maintenance bypass has been activated Graphic Symbol Description Y A Maintenance bypass is active No symbol displayed No Maintenance bypass active TIP When the Maintenance Bypass Indicator appears you can find what condition was bypassed by following the indicators Click the Graphic Symbol to open the Faceplate The Maintenance Bypass Indicator appears next to the appropriate tab at the top of the Faceplate to guide you in finding the bypass Once you navigate to the tab the bypassed item is flagged with this indicator For the P_DoseWS Instruction the Maintenance Bypass Indicator appears when the instruction is configured by engineering to have equipment feedback but maintenance personnel have selected to not use the equipment feedback 28 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Weigh Scale Dosing P_DoseWS Mode Indicators One of these symbols appears to the right of the current weight to indicate the mode of the weigh scale dosing instruction Table 7 P_ DoseWS Mode Indicator
27. g_PCmdClear BOOL BOOL BOOL BOOL BOOL BOOL BOOL BOOL Mode Cfg_ProgDefault Rockwell Automation Publication SYSLIB RM021E EN E August 2014 1 1 Use run dribble stop feedback 0 Assume equipment state 1 Enable automatic adjustment of preact after each tolerance check This parameter is used to set up bumpless behavior of setting parameters when switching modes When this parameter is 1 in Program mode the operator settings track the program settings in Operator mode the program settings track the operator settings and the simulation inputs match the output values transitions are bumpless When this parameter is 0 the operator settings and program settings are not modified by this instruction In this case when the mode is changed the effective value of the setting can change depending on the program set and operator set values 1 Tells HMI a Channel object P_AlChan etc is used for Inp_WeightPY IMPORTANT The name of the Channel object in the controller must be this object s name with the suffix _ Chan For example if your P_DoseWS object has DoseWS123_ Chan the name DoseWS123 then its Channel object must be named When this parameter is 1 program commands are cleared once they are acted upon When set to 0 program commands remain set until cleared by the application program logic IMPORTANT Clearing this parameter online can cause unintended program command e
28. ins the handling of instruction execution conditions Condition Enableln false false rung Powerup pre scan first scan Postscan SFC transition Description Any commands received are discarded All alarms are cleared The mode is reported as No Mode The displayed rate is zeroed Outputs to controlled equipment are de energized Other output parameters values and status hold their last value Any commands received before first scan are discarded Embedded P_ Alarm instructions are handled in accordance with their standard powerup procedures Refer to the reference manual for the P_ Alarm instruction for more information No SFC postscan logic is provided Rockwell Automation Publication SYSLIB RM021E EN E August 2014 23 Weigh Scale Dosing P_DoseWS Refer to the Logix5000 Controllers Add On Instructions Programming Manual publication 1756 PM010 for more information Prog ramming Example The P_DoseWS example below shows a simple configuration of the block with a two speed motor P_Motor2Spd The Input to P_DoseWS Inp_WeightPV is taken directly from a weight force indicating transmitter WIT_2 The outputs of the block Out_RunFlow and Out_DribbleFlow are connected to the inputs to the motor PCmd_RunFast and PCmd_RunSlow respectively The motor status outputs stopped Sts_Stopped running slow Sts_RunningSlow running fast Sts_RunningFast are connected back to the P_DoseWS block as inputs Inp_StopFdbk
29. ion error Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Weigh Scale Dosing P_DoseWS Table 4 P_DoseWS Output Parameters Output Parameter Data Type Alias For Description Val_Mode SINT Mode Val The shows the current mode ofthe object 0 No mode 2 Maintenance 4 Program locked 5 Operator locked 6 Program unlocked Operator is default 7 Operator unlocked Program is default 8 Program unlocked Program is default 9 Operator unlocked Operator is default Val_ Owner DINT Current object owner ID 0 not owned Val_Notify SINT Current alarm level and acknowledgement enumeration 0 No alarm 1 Alarm cleared a reset or acknowledge is required 2 Low acknowledged 3 Low unacknowledged 4 Medium acknowledged 5 Medium unacknowledged 6 High acknowledged 7 High unacknowledged 8 Urgent acknowledged 9 Urgent unacknowledged Sts_Tared AN Scale tare completed Quantity 0 Sts_FlowStarting EN 1 Flow is starting Out_Run is on feedback not showing run Sts_FlowRunning Bo 1 Flow is running Out_Run is on feedback showing run Sts_DribbleStarting Bo 1 Dribble starting Out_Dribble is on feedback not showing dribble Sts_FlowDribble BO 1 Flow is slowed to dribble Out_Dribble is on feedback showing dribble Sts_FlowStopping Bo 1 Flow is stopping Out_Stop is on feedback not showing stopped Sts_FlowStopped Boo 1 Flow is Stopped Out_Stop is o
30. keep control of the dribble and preact quantity settings with the program even if the instruction is in Operator mode Clear this checkbox to have control of the dribble and preact quantity settings follow the Instruction mode Check to keep control of the high and low tolerance settings with the operator even if the instruction is in Program mode Clear this checkbox to have control of the high and low tolerance settings follow the Instruction mode Check to keep control of the high and low tolerance settings with the program even if the instruction is in Operator mode Clear this checkbox to have control of the high and low tolerance settings follow the Instruction mode Enter the normal running delivery rate that is used when the P_DoseWS instruction is in simulation Inp_ Sim 1 Enter the dribble slow delivery rate that is used when the P_DoseWS instruction is in simulation Inp_ Sim 1 Enter the weight that appears on the scale after a tare when the P_DoseWS instruction is in simulation Inp_ Sim 1 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Engineering configuration code E Cfg_OperKeep 1 Cfg_ProgKeep 1 Cfg_OperKeep 2 Cfg_ProgKeep 2 Cfg_OperKeep 3 Cfg_ProgKeep 3 Cfg_SimRate Cfg_SimDribbleRate Cfg_SimStartWt Weigh Scale Dosing P_DoseWS Diagnostics Tab The Diagnostic tab provides indications that are helpful in diagnosing or preventing de
31. l operation of quantity to zero devices code A Click to start or resume delivery Click to stop pause delivery Click to perform a tolerance check on the delivered quantity Click to bump flow This function is used to top off a delivery that has passed the preact point but is still short of the setpoint quantity Setpoint quantity Configure the quantity to deliver Alarm indicators appear on the Operator tab when the corresponding alarm occurs P_DoseWS Dosing with Weigh Scale ale Yi A ella Operator a Fy Total Delivered Remaining to Deliver 10391 9 Pounds Quantity Delivered A 1391 96 Pounds Delivery Rate 1 21 LbsMin A scale Weight Tare 4973 55 Current 418 43 E D Flow Stopped Setpoint Emm 1000 00 d Tare Fault Alarm Over Tolerance Alarm Under Tolerance Alarm Equipment Fault Alarm 36 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Weigh Scale Dosing P_DoseWS Alarm status indicators appear next to values or status indicators that are in alarm The following table shows the meaning of alarm status indicators on the Operator tab Table 9 Alarm Status Indicators Graphic Object Alarm Status In alarm active alarm In alarm and acknowledged Out of alarm but not acknowledged Alarm suppressed by program Alarm disabled by maintenance Alarm shelved by operator MES lt gt Rockwell Automation Publication SYSLIB R
32. led range MIN Cfg_PVEUMin Cfg_PVEUMax Maximum of scaled range MAX Cfg_PVEUMin Cfg_PVEUMax 1 0 signal source and quality Final dose source and quality GOOD 0 1 0 live and confirmed good quality 1 1 0 live and assumed good quality 2 No feedback configured assumed good quality TEST 8 Device simulated 9 Device loopback simulation 10 Manually entered value UNCERTAIN 16 Live input off specification 17 Value substituted at device bus 18 Value substituted by maintenance Has and not Use 19 Shed using last good value 20 Shed using replacement value BAD 32 Signal failure out of range NaN invalid combination 33 1 0 channel fault 34 1 0 module fault 35 Bad 1 0 configuration for example scaling parameters This shows the command being processed returns to zero once the command secedes or fails These values are also used for Inp_OvrdCmd 0 None 1 Tare scale 3 Start delivery 4 Start dribble 5 Bump 6 Stop delivery This shows the input from the device 0 None 1 Stopped 2 Delivering 3 Dribbling This is the primary status used to show the operator the confirmed device status 0 Power up reset 1 Stopped 3 Delivering 4 Dribbling 5 Bumping 6 Start delivery 7 Start dribble 8 Stopping 33 Disabled This is the device fault status used to show the operator the most severe device fault 0 None 17 Equipment fault 34 Configurat
33. lerance the under tolerance alarm is raised if enabled For the Low tolerance condition the operator can command a bump flow to try to bring the quantity delivered into tolerance Rockwell Automation Publication SYSLIB RM021E EN E August 2014 39 Weigh Scale Dosing P_DoseWS Table 10 Maintenance Tab Page 1 Description Button Field Action Security Configuration Parameters Use Equipment Check to use the available feedback Equipment Cfg_UseEqpFdbk Feedback from the delivery equipment and maintenance take the device out of Maintenance code C Bypass Clear this checkbox to not use feedback from the delivery equipment and place the device in Maintenance Feedback IMPORTANT Delivery Equipment has Feedback on page 2 of the Engineering tab must be enabled for this field to be visible See Engineering Tab Page 2 on page 45 Bumpless Program Check to enable or disable bumpless Cfg_SetTrack Operator Transition program operator transition of quantity setpoint dribble quantity preact and tolerance Threshold settings tracking 40 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Maintenance Tab Page 2 Pain Percentage of delivery error to auto adjust preact o Amount Pounds scale can drit after Tare before start flow without Faulting Duration of flaw when the Bump button IS pressed sec Time for Equipment Feedback before Fault sec Delay after flow
34. llipsis to browse and choose a tag Values for items marked optional can be left blank 4 Click OK Quick Display The Quick Display screen provides the means for operators to perform simple interactions with the P_DoseWS instruction instance From the Quick Display you can navigate to the faceplate for full access for operation maintenance and configuration Weigh Scale Dosing aja a e le 422 50 Pounds 5065 65 Pounds Flow Stopped Navigate to Full Faceplate Button 1000 00 32 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Faceplate Weigh Scale Dosing P_DoseWS The weigh scale dosing faceplate consists of six tabs and each tab consists of one or more pages The title bar of each faceplate contains the value of local configuration tags Cfg_Tag and Cfg_Desc Tag Description The Operator tab is displayed when the faceplate is initially opened Click the appropriate icon at the top of the faceplate to access a specific tab Maintenance Diagnostics Alarms Exit oy ea Ola Operator Engineering Trends Help The faceplate provides the means for operators maintenance personnel engineers and others to interact with the P_DoseWS instruction instance including viewing its status and values and manipulating it through its commands and settings When a given input is restricted via FactoryIalk View security the required user security code letter is show
35. n feedback showing stopped Sts_ Bumping i 1 Bump flow is active Sts_ Complete Bo 1 Total delivered gt SP preact Sts_InTol EN 1 Total delivered is within tolerances Sts_Available BO 1 Dosing available for control by automation program Sts_PVBad BOOL 1 Weight PV and rate PV quality bad 1 0 fail 0 0K Sts_PVUncertain BOOL WM 1 Weight PV and rate PV quality is uncertain 0 0K Sts_NotRdy BOOL 1 Device is not ready to be operated Nrdy_CfgErr BOOL 1 Device Not Ready e Configuration error Nrdy_PVBad e PV bad quality or communication failure e External equipment fault fault or shed requires reset Nrdy_EqpFault e Device logic disabled no mode Nrdy_NoMode Sts_MaintByp sol fs 1 A maintenance bypass is active display icon Sts_AlmInh Bo fe 1 One or more alarms shelved disabled or suppressed Sts_Err Bo fe 1 Error bad configuration see detail err bits for reason Err_Raw Boo 1 Error Cfg_InpRawMax Cfg_InpRawMin Rockwell Automation Publication SYSLIB RM021E EN E August 2014 19 Weigh Scale Dosing P_DoseWS Table 4 P_DoseWS Output Parameters Output Parameter DataType AliasFor Description Err_EU IN 1 Error Cfg_PVEUMax Cfg_PVEUMin Err_Rate Bo 1 Error Cfg_RateFiltTC or Cfg_RateTime invalid Err_Limit Boo o 1 Error Cfg_TareLim inval id must be gt 0 0 Err_Qty Bo 1 Error Cfg_MaxQty invalid must be gt 0 0 Err_Sim CO 1 Error Cfg_SimDribbleRate or Cfg_SimRate inv
36. n in the tables that follow Rockwell Automation Publication SYSLIB RM021E EN E August 2014 33 Weigh Scale Dosing P_DoseWS 34 Operator Tab The Faceplate initially opens to the Operator Home tab From here an operator can monitor the device status and manually operate the device when it is in Operator mode The Operator tab shows the following information Current mode Operator Program or Maintenance Requested modes indicator appears only if the Operator or Program mode has been superseded by another mode see the Maintenance tab section for more information Delivery progress bar if delivering or the delivery status Tared Complete or Complete at Zero Quantity remaining to deliver display Quantity delivered display Delivery rate display Tolerance check result indicator in tolerance over tolerance or under tolerance this appears after performing a tolerance check Equipment commanded state indicator for example stopped running dribble or bumping Quantity setpoint data entry field Input Source and Quality indicator See SrcQ in the Output parameters table on page 18 for details TIP The Tolerance Indicator shows if the delivery was in tolerance under tolerance or over tolerance This indicator is visible only when a tolerance check has been requested after delivery is complete If a delivery is under tolerance short and the bump function is enabled the operator can bump the e
37. nowledged Low severity alarm Yellow Medium severity alarm High severity alarm Magenta Urgent severity alarm No symbol No change in color No alarm or alarm inhibit condition and all alarms are acknowledged 0 o Pie p Refer to the Rockwell Automation Library of Process Objects Common Alarm Block P_Alarm Reference Manual publication SYSLIB RM002 for more information 30 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Weigh Scale Dosing P_DoseWS Use Global Objects The graphic symbol for P_DoseWS can be found in the global object file RA BAS Process Graphics Library ggfx 1 Copy the global object from the global object file and paste it in the display file 2 In the display right click the global object and choose Global Object Parameter Values z a ssssssseeeeses es Edit MP ssssssssssssss Connections x ssssssssss VBA Code Activex Events Methods Object Keys RR Hh Arrange Animation Convert to Wallpaper ssssssssssss M A Tag Substitution y i MSH b P1 F Property Panel Object Explorer Cut Copy Paste Paste without localized strings Delete Duplicate Copy Animation Paste Animation Global Object Defaults Global Object Parameter Values Global Object Parameter Definitions Edit Base Object Break Link The Global Object Parameter Values dialog box appears MA xi o Mame V
38. npRawMax REAL Cfg_PVEUMin REAL Cfg_PVEUMax REAL Minimum unscaled weight input 10000 0 Maximum unscaled weight input Minimum scaled weight PV input engineering units 10000 0 PV Output maximum for scaling to engineering units IMPORTANT The P_DoseWS instruction supports reverse scaling either the raw Input or engineering Scaled range can be reversed maximum less than minimum Cfg_MaxQty REAL Cfg_RateTime REAL Cfg_RateFiltTC REAL Cfg_TareFaultLim REAL 1 0E 38 Maximum allowed quantity to deliver setpoint engineering units Time factor for rate 60 for min 3600 for hr seconds Filter time constant seconds for calculated rate Amount engineering units scale can drift after tare before starting flow without faulting 5 O _ oj lj o gt gt Cfg_SettleT REAL Cfg_BumpT REAL Cfg_AutoAdjPct REAL Cfg_SimStartWt REAL Cfg_SimRate REAL Cfg_SimDribbleRate REAL Cfg_FaultT DINT Cfg_OperKeep SINT Time to allow scale to settle before allowing tolerance check seconds Bump manual top off Time seconds 0 0 use Bump command as a jog 0 0 Percentage of delivery error to auto adjust preact Weight to start from tare to in simulation engineering units Rate at which to deliver when running in simulation engineering units rate time Rate at which to dribble when running in simulation engineering units rate time Time for equipment feedback to f
39. nt changed Alarm Severity from 1 4 to 1 1000 changed descriptions for PCmd_Tare PCmd_StartFlow PCmd_StopFlow PCmd_CheckTol PCmd_Bump PCmd_ Acq PCmd_Rel PCmd_Lock PCmd_Unlock PCmd_Reset PCmd_ lt Alarm gt Ack PCmd_ lt Alarm gt Suppress PCmd_ lt Alarm gt Unsuppress and PCmd_ lt Alarm gt Unshelve Output Parameters table 17 added SrcQ_ Nrdy_ Err_ Ack_ and Alm_ parameter descriptions to bullet list added Alias For column and aliases added Sts_ShedResetReqd and Sts_ MAcqRcvd parameters changed data type for Val_Mode from DINT to SINT Val_Notify changed level 4 alarm severity from Highest to Urgent Operations added Simulation section 23 Status Quality Indicators table 27 added symbol and description for Device not ready to operate and Device disabled added list of conditions under which Device Not Ready indicator appears changed level 4 alarm severity from Highest to Urgent changed Alarm Severity from 1 4 to 1 1000 Faceplate added information about contents of faceplate title bar 33 Operator faceplate added Alarm Locations image 36 Diagnostics tab added section 49 For the latest compatible software information and to download the Rockwell Automation Library of Process Objects see the Product Compatibility and Download Center at http www rockwellautomation com rockwellautomation support pcdc page For general library considerations
40. oller logic or RSLogix 5000 software export import functionality Table 5 P_DoseWS Local Configuration Tags Cfg_Desc STRING_40 Dosing with Weigh Description for display on HMI This string is shown in the title bar of the faceplate Scale Cfg_Label Label for graphic symbol displayed on HMI This string appears on the graphic symbol Cfg_QtyEU Engineering units for quantity for display on HMI Cfg_RateEU Engineering units for rate flow for display on HMI Cfg_Tag Tagname for display on HMI This string is shown in the title bar of the faceplate Rockwell Automation Publication SYSLIB RM021E EN E August 2014 21 Weigh Scale Dosing P_DoseWS Operations 22 This section describes the primary operations for Add On Instructions Modes The P_DoseWS instruction uses the following standard modes implemented by using an embedded P_Mode Add On Instruction Graphic Symbol Description Operator Mode Control of the dosing is owned by the Operator Operator Commands OCmd_ and Operator Settings OSet_ from the HMI are accepted Program Mode Control of the dosing is owned by Program logic Program Commands PCmd_ and Program Settings PSet_ are accepted Maintenance Mode Control of the dosing is owned by Maintenance Operator Commands and Settings from the HMI are accepted Devices timeout checks are not processed No Mode The dosing is disabled and has no owner because the Enableln input is false The main instruction
41. ollow output before fault seconds 2 0000_0000 Operator keeps control in Program mode Bit 0 1 operator keeps Start Stop Bit 1 1 Operator keeps SP Bit 2 1 Operator keeps Dribble preact Bit 3 1 Operator keeps Tolerances 14 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Weigh Scale Dosing P_DoseWS Table 3 P_DoseWS Input Parameters Data Description Type Input Parameter Cfg_ProgKeep PSet_SP PSet_DribbleQty PSet_Preact PSet_TolHi PSet_TolLo PSet_Owner OSet_SP OSet_DribbleQty OSet_Preact OSet_TolHi OSet_TolLo PCmd_ Tare PCmd_StartFlow PCmd_StopFlow PCmd_CheckTol PCmd_Bump PCmd_Acq PCmd_Rel l o o INS A INS l MN NA l MIS BOOL Mode PCmd Mode PCmd Acq PCmd_Rel Program keeps control in Operator mode Bit 0 1 Program keeps Start Stop Bit 1 1 Program keeps SP Bit 2 1 Program keeps Dribble preact Bit 3 1 Program keeps Tolerances Program setting of total quantity to deliver engineering units Program setting of quantity to dribble engineering units Program setting of quantity before total to stop flow engineering units Program setting of high excess tolerance limit Program setting of low shortage tolerance limit Program owner request ID non zero or Release zero Operator setting of total quantity to deliver engineering units Operator setting of quantity to dribble engineering units Operator setting of
42. omation Inc with respect 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 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 gt gt IMPORTANT Identifies information that is critical for successful application and understanding of the product Labels may also be on or inside the equipment to provide specific precautions 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 ARC FLASH HAZARD Labels may be on or inside the equipment for example a motor control center to alert people to potential Arc Flash Arc Flash will cause severe injury or death Wear proper
43. ommon global objects used for Process Object miscellaneous faceplates RA BAS Process Graphics Library RA BAS ME Process Graphics Library Common global objects in the graphics library for this instruction RA BAS Process Help Objects RA BAS ME Process Help Objects Common global objects used for all Process Objects help displays RA BAS Process Mode Objects RA BAS ME Process Mode Objects Common global objects used for managing modes on all Process Object faceplates Rockwell Automation Publication SYSLIB RM021E EN E August 2014 11 Weigh Scale Dosing P_DoseWS Table 2 P_DoseWS Visualization File Types ApplicationType FileType FactoryTalk View SE Software FactoryTalk View ME Software Description Graphics Images PNG All png files in the images folder All png files in the images folder These are the common icons used in the global objects and faceplates for all Process Objects When PNG graphic formats are imported they are renamed like a BMP file but retain a PNG format HMI Tags FTVME_PlantPAxLib_Tags_3_1_00 csv These tags must be imported into the FactoryTalk View ME project to support switching tabs on any Process Object faceplate 1 The service release number boldfaced can change as service revisions are created Controller Code This section describes the parameter references for this Add On Instruction Weigh Scale Dosing Input Structure Input parameters include the following e Inp
44. onfirmed stopped 12 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Table 3 P_DoseWS Input Parameters Data Type i o MA Input Parameter Inp_PVBad Inp_PVUncertain Inp_CtridEqpFault Inp_Sim Inp_Reset Cfg_LossInWeight Cfg_HasDribble Cfg_HasEqpFdbk Cfg_UseEqpFdbk Cfg_AutoAdjPreact Cfg_SetTrack Cfg_HasChan0bj Cfg_PCmdClear Cfg_ProgDefault Cfg_ShedOnEqpFault Cfg_HasOverTolAlm Cfg_HasUnderTolAlm Cfg_HasTareFaultAlm Cfg_HasEqpFaultAlm Description Weigh Scale Dosing P_DoseWS Bad Signal Quality Communication Status for Inputs 1 Bad 0 OK If PV is read from an analog input then this is normally read from the analog input channel fault status Uncertain Quality for Inputs 1 Uncertain 0 OK This is optional status for the input that can be used to drive the status of the output Sts_PVUncertain Controlled equipment device or 1 0 status 0 0K 1 Fail Simulation input When set to 1 the instruction simulates a working dosing action When set to 0 the instruction controls dosing normally Input parameter used to programatically reset alarms When set to 1 all alarms requiring reset are reset 1 Running reduces weight Transfer Out 0 Running increases weight Transfer In 1 Slow to dribble before complete 0 Run full flow until complete BOOL A A 1 Controlled Equipment provides Run Dribble if used and Stop Feedback Mode Cf
45. osing with Weigh Scale 5065 9 Pounds A 29 Maza me Operator Add On Instruction Operator P_Dosewvs nr Dosing with Weigh scale O inp Weight P Out RunFlow np CtridEqpr ault Out_DribbleF low al Inp Reset Qut_ StapFlow Quantity Delivered 0 12 Pounds val _PY Delivery Rate 0 03 Lisiin fal Tare VaL_Oty AL Under Tolerance al Rate A aI Scale Weight E Wal SP e val_Fetomplete Current 5234 40 al _DribbleGity m DP Val_Preact E i Val TolHi Flow Stopped Val_TolLo Sts_Tared Setpoint Birr 1000 00 ats FlowRunning sts FlowDribble Sts FlowStopped ay ats Complete ats Err ats Maint ats Prog sts Oper Remaining ta Deliver 1000 12 Pounds Guidelines Use this instruction in these situations e You want to control basic dosing ingredient addition with basic features such as bulk dribble rate selection preact automatic preact adjustment and the ability to start pause and resume flow e You are measuring the quantity of ingredient added to a destination vessel gain in weight or the quantity transferred from a source vessel loss in weight by using a weigh scale The scale provides a weight value and can be interfaced via an analog input card network or other means Rockwell Automation Publication SYSLIB RM021E EN E August 2014 7 Weigh Scale Dosing P_DoseWS Do not use this instruction in these situations e You want to measure the quantity of ingredient transferred with a flowmeter
46. ps o RNA Er aa erase 32 A vatiieoaed anna a E E 33 Operor elon een ere reer eee Te mre teen ore ete a ener 34 Maintenance Tab ade 38 Kaere nne Padrones tt dape paa tool 43 Diagnoses Taburete cin dotoba editoras 49 A A A es a Roce eee ede 50 PAIS O meee ee atlas eee ae es ee 52 Weigh Scale Dosing Drive Faceplate Help o oooooooooo 54 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 3 Table of Contents Notes 4 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Preface This document is updated throughout for version 3 1 of the Rockwell Automation Library of Process Objects Changes for this revision are marked by change bars shown in the right margin Software Compatibility and Table 1 Summary of Changes Content Revision Topic Page Changed title from PlantPAx Library of Process Objects to Rockwell Automation Library of Front Cover Process Objects Changed version of Rockwell Automation Library of Process Objects from 3 0 to 3 1 5 10 12 Changed references to Knowledgebase Answer ID 62682 to Product Compatibility and Download 5 11 Center Visualization Files 11 added Important note concerning the order files are to be imported Types table added Optional Graphic Displays section to table Input Parameters table 12 added Alias For column and aliases added MCmd_Acq and MCmd_Rel parameters Cfg_lOFaultSeverity changed level 4 alarm severity from Highest to Urge
47. quipment to try to make up the shortfall and bring the delivery into tolerance Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Weigh Scale Dosing P_DoseWS P DoseWS Dosing with Weigh Scale ome Operator ___ Delivery Progress Bar _ gt Operator Reset Acknowledge All Alarms Command Buttons Mode Indicator ee Operator Mode Unlock and Lock Remaining to Deliver 1000 12 Pounds Command Buttons Liuantity Delivered 0 12 Pounds Tare Scale Command Button But Delivery Rate 009 LbiMin Start Flow Command Button scale Weight 23 gt Tare 523428 10 0 Scale Weight e Current 5234 40 Check Tolerance Command Button Bump Flow Command Button Dosing Equipment Commanded State a Flow Stopped Indicator l Stop Flow Command Button Input Source and setpoint 1000 00 1000 00 Quality maw Input Source n A Quality Icon The following table shows the functions on the Operator tab Table 8 Operator Tab Description Click to release Operator mode Lock Manual device operation code B Click to lock in Operator mode Click to request Program mode Click to request Operator mode Rockwell Automation Publication SYSLIB RM021E EN E August 2014 35 Weigh Scale Dosing P_DoseWS Table 8 Operator Tab Description Click to reset and acknowledge all alarms Acknowledge alarms code F Click to tare the scale This sets the delivered Norma
48. rogram commands upon receipt Y Delivery Equipment has Feedback stop delivery on Equipment Fault Y Enable navigation to Weight Input object Maximum allowed quantity to deliver setpoint Pounds Filter Time Constant for Calculated 0 100 Rate sec Time factor tor rate e q 60 for rin or 3600 for hr sec cab The following table lists the functions on page 2 of the Engineering tab Table 13 Engineering Tab Page 2 Description Function Action Security Configuration Parameters Slow to dribble Check to have the equipment Engineering Cfg_HasDribble before complete commanded to a slower dribble rate configuration as delivery nears completion to code E improve the accuracy of quantity delivered Clear program Check to clear program commands on commands on receipt receipt Rockwell Automation Publication SYSLIB RM021E EN E August 2014 45 Cfg_PCmdClear Weigh Scale Dosing P_DoseWS Table 13 Engineering Tab Page 2 Description Function Delivery Equipment has Feedback Stop Delivery on Equipment Fault Enable navigation to Weight Input object Maximum allowed quantity to deliver setpoint Filter time constant for calculated rate seconds Time factor for rate e g 60 for min or 3600 for hr seconds Check if the controlled equipment provides feedback of its running dribbling and stopped status to this instruction This instruction checks that the equipment i
49. ry fields Table 4 P_DoseWS Output Parameters Output Parameter Data Type Alias For Description EnableOut BOOL Enable output The EnableOut signal is not manipulated by this instruction Its output state always reflects Enableln input state Out_RunFlow Bot fe 1 Deliver at full fast flow Out_DribbleFlow sot fs 1 Deliver at dribble slow flow Out_StopFlow Bo 1 Stop delivery equipment Val_PV REAL Weight on scale engineering units Val_Tare REAL fe Weight on scale when tare command received engineering units Val_ Qty NN Quantity actually delivered change in weight engineering units Val_Rate EN Current delivery rate engineering units time Val_SP REAL Quantity to be delivered setpoint engineering units Val_Remain REAL Quantity yet to deliver to reach setpoint engineering units Val_PctComplete ENS Percent complete for progress bar on HMI 0 0 100 0 Val_DribbleQty REAL Quantity to be delivered at slow rate engineering units Val_Preact REAL fl Quantity before SP when flow is stopped engineering units Rockwell Automation Publication SYSLIB RM021E EN E August 2014 17 Weigh Scale Dosing P_DoseWS Table 4 P_DoseWS Output Parameters Output Parameter Val_TolHi Val_TolLo Val_PVEUMin Val_PVEUMax SrcQ_10 SrcQ Val_Cmd Val_Fdbk Val_Sts Val_ Fault 18 MN E E l Zz o i m Description Allowed quantity gt or lt SP engineering units Minimum of sca
50. s Graphic Symbol Description Transparent Operator mode if the default mode is Operator and in Operator mode the mode indicator is transparent Operator mode if the default mode is Program Operator mode locked E E Transparent Program mode if the default mode is Program and in Program mode the mode indicator is transparent Program mode if the default mode is Operator Program mode locked Maintenance mode No mode TIP The images provided for the Operator and Program default modes are completely transparent therefore no mode indicators appear if the device is in its default mode This behavior can be changed by replacing these mode indicators with images that are not completely transparent Refer to the Rockwell Automation Library of Process Objects Common Mode Block P_Mode Reference Manual publication SYSLIB RM005 for more information Rockwell Automation Publication SYSLIB RM021E EN E August 2014 29 Weigh Scale Dosing P_DoseWS Alarm Indicators One of these symbols appears to the left of the label to indicate the described alarm condition The alarm border and label background blink if acknowledgement of an alarm condition is required Symbol Border and Label Background Description No change in color Alarm Inhibit an alarm is suppressed by the Program disabled by Maintenance or shelved by the Operator White Return to normal no alarm condition but a previous alarm has not been ack
51. s performing the commanded function and provides a status and optional alarm if the equipment fails to respond as commanded within a configurable time TIP The feedback fault time is configured on the Maintenance tab page 2 When checked Use Equipment Feedback on page 1 of the Maintenance tab is available See Maintenance Tab Page 1 on page 38 Clear this checkbox if the controlled equipment does not provide feedback of its status The instruction assumes the equipment is performing the commanded function and no equipment failure to respond checking occurs Engineering configuration code E Cfg_HasEqpFdbk Check if you want the dosing instruction to attempt to stop the controlled equipment ifan equipment fault is reported Inp_CtrldEqupFault or detected via feedbacks Clear this checkbox if you want the dosing instruction to keep performing its current function even if an equipment fault occurs Cfg_ShedOnEqpfault Check to enable navigation to the Raw Weight s Input channel object faceplate IMPORTANT The name of the Channel object in the controller must be this object s name with the suffix Chan For example if your P_DoseWS object has the name DoseWS123 then its Channel object must be named DoseWS123_Chan Cfg_HasChan0bj Enter the maximum allowed quantity to deliver The quantity setpoint is clamped to not exceed this value Cfg_MaxQty Enter the filter time constant
52. see Rockwell Automation Library of Process Objects publication PROCES RM002 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 5 Preface These documents contain additional information concerning related products Additional Resources from Rockwell Automation Resource PlantPAx Process Automation System Selection Guide publication PROCES SG001 PlantPAx Process Automation System Reference Manual publication PROCES RM001 Rockwell Automation Library of Process Objects publication PROCES RM002 FactoryTalk View Machine Edition User Manual publication VIEWME UM004 FactoryTalk View Site Edition User Manual publication VIEWSE UM006 Logix5000 Controllers Add On Instructions Programming Manual publication 1756 PM010 Rockwell Automation Library of Process Objects Common Alarm Block P_Alarm Reference Manual publication SYSLIB RM002 Rockwell Automation Library of Process Objects Common Mode Block P_Mode Reference Manual publication SYSLIB RM005 Description Provides information to assist with equipment procurement for your PlantPAx system Provides characterized recommendations for implementing your PlantPAx system Provides general considerations for the PlantPAx system library of process objects Provides details on how to use this software package for creating an automation application Provides details on how to use this software package for developing and running human machin
53. so no file is required RA BAS P_Alarm Faceplate RA BAS ME P_Alarm Faceplate The alarm faceplate display used for the object RA BAS P_Alarm Help RA BAS ME P_Alarm Help P_ Alarm Help information that is accessed from the P_DoseWS Help or P_Alarm faceplate RA BAS P_Mode Help RA BAS ME P_Mode Help Mode Help information that is accessed from the P_DoseWS Help faceplate RA BAS P_Mode Config RA BAS ME P_Mode Config Display used to set default mode Optional Graphic RA BAS P_AlChan Faceplate RA BAS ME P_AlChan Faceplate The Channel faceplate used for the object Displays Use this file if your Analog Input has an associated P_AlChan object and you enable navigation to its faceplate from the Analog Input faceplate RA BAS P_AlChan Help RA BAS ME P_AlChan Help Channel Help information that is accessed from the P_AlChan Help faceplate Use this file if you use the Analog Input Channel faceplate Graphics Global GGFX RA BAS Common Faceplate Objects RA BAS ME Common Faceplate Objects Common global objects used on all Process Objects Object faceplates RA BAS Process Alarm Objects RA BAS ME Process Alarm Objects Global objects used for alarming on Process Library faceplates RA BAS Process Faceplate Analog Objects RA BAS ME Process Faceplate Analog Common global objects used for Process ae Object analog faceplates RA BAS Process Faceplate Misc Objects RA BAS ME Process Faceplate Misc Objects C
54. stop before enabling tolerance check sec 10 00 10 00 5 000 10 1 000 Weigh Scale Dosing P_DoseWS The following table lists the functions of page two of the Maintenance tab Table 11 Maintenance Tab Page 2 Description Button Field Action Security Configuration Parameters Percentage of Type the percentage of delivery error Configuration delivery error to When the delivery tolerance is amp tuning auto adjust preact checked ifno bump has occurred and maintenance if the delivery is in tolerance the Code D error difference between delivery setpoint and actual delivery is multiplied by this percentage and applied to the preact This lets the preact self tune and learn the correct value of the preact over time Amount Pounds Type the tare fault threshold After scale can drift after the scale is tared and before flow is Tare before starting commanded if the weight reported flow without by the scale drifts from the tare faulting weight by more than this amount a tare fault alarm is raised Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Cfg_AutoAdjPct Cfg_TareFaultLim 41 Weigh Scale Dosing P_DoseWS 42 Table 11 Maintenance Tab Page 2 Description Button Field Action Security Configuration Parameters Duration of flow Type the amount of time to when Bump is command the controlled equipment pressed seconds to run flow when the
55. ties e Provides linear scaling of the input weight value from raw input card units to engineering display units e Uses a software tare of the scale to establish the zero quantity starting point for transfer Once the scale is tared the instruction checks for unrequested flow that is an increase or decrease in scale weight before flow is actually started and raises a tare fault alarm if such a weight change occurs e Provides a rate of weight change calculation differentiation with respect to time to generate an inferred flow rate The calculated rate is filtered and has a low cutoff so the rate is reported as zero when the change in weight is only from noise on the input weight signal e Provides outputs to control associated equipment such as pumps and valves to start and stop flow The operator or the program can start the ingredient addition then pause and resume as needed e Monitors the status of controlled equipment such as pumps and valves Flow is stopped and an alarm is raised on an equipment fault or if the equipment fails to respond as commanded e Monitors the weight PV input quality and communication status and provides indication of uncertain or bad weight PV Flow is stopped and an alarm is raised on a bad PV or communication loss e Provides program or operator entry of a quantity to deliver setpoint and calculates the quantity remaining to deliver and percent complete during delivery Required Files
56. tion Sts_Oper 1 OSet_SP OSet_Preact OSet_TolHi OSet_TollLo OCmd_Tare _ Sts_Tared 1 Sts_Complete 0 A Val_Tare Val_PV OCmd_StartFlow Sts_FlowRunning 1 Sts_FlowStopped 0 Sts_Tared 0 Val_O Val_Remain Val_Rate Val_PctComplete Sts_FlowDribble 1 Sts_FlowRunning 0 s_ Complete 1 Sts_FlowStopped 1 Sts_FlowDribble 0 Cmd_CheckTol s_InTol 1 Val_Preact P_DoseWS Mode Operator Out_StopFlow 1 Set Quantity Setpoint lt np_StopFdbk 1 Set Preact Set Tolerances Tare Scale Start Flow shows flow rate quantity delivered quantity remaining to be delivered percent complete flow continues Oty gt SP DribbleQty DribblePreact Switched to Dribble Oty gt SP Preact delivery is complete Flow is Stopped Delivery Complete Check Tolerances auto adjust Preact updated Inp_WeightPV Out_Run Flow 1 Out_StopFlow 0 Inp_RunFdbk 1 Out_DribbleFlow 1 Out_RunFlow 0 _ inp_DribbleFdbk 1 Inp_RunFdbk 0 A Out_StopFlow 1 Out_DribbleFlow 0 Inp_StopFdbk 1 Inp_DribbleFdbk 0 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Weigh Scale Dosing P_DoseWS The following diagram shows the functional characteristics of the P_DoseWS EQUIPMENT FLOWMETER Weigh Scale Dosing P_DoseWS The P_DoseWS instruction provides the following capabili
57. tps rockwellautomation custhelp com for software updates support chats and forums technical information FAQs and to sign up for product notification updates In addition we offer multiple support programs for installation configuration and troubleshooting For more information contact your local distributor or Rockwell Automation representative or visit http www rockwellautomation com services online phone 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 rockwellautomation support overview page or contact your local Rockwell Automation representative New Product Satisfaction Return Rockwell Automation tests all of its products to help 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
58. ts_EqpFaultShelved Sts_OverTolSuppressed BOOL 1 Over Under Tolerance Tare Fault or Equipment Fault alarm suppressed by program Sts_UnderTolSuppressed Sts_TareFaultSuppressed Sts_EqpFaultSuppressed 20 Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Weigh Scale Dosing P_DoseWS Table 4 P_DoseWS Output Parameters Output Parameter Data Type Alias For Description Rdy_Tare BOOL 1 Ready for OCmd Tare StartFlow StopFlow CheckTol or Bump enables HMI button Rdy_StartFlow Rdy_StopFlow Rdy_CheckTol Rdy_Bump Rdy_ Reset Bot fe 1 At least one alarm requires reset Rdy_ResetAckAll AN 1 At least one alarm or latched shed condition requires reset or acknowledgement Rdy_SP EN 1 Ready to receive OSet_SP Rdy_DribPre Bo 1 Ready to receive OSet_DribbleQty or OSet_Preact Rdy_Tol Bo fe 1 Ready to receive OSet_TolHi or OSet_TolLo P_DoseWS BOL fF Unique parameter name for auto discovery Weigh Scale Dosing Local Configuration Tags Configuration parameters that are arrayed string or structure data types cannot be configured as parameters for Add On Instructions Configuration parameters of these types appear as local tags to the Add On Instruction Local tags can be configured through the HMI faceplates or in RSLogix 5000 software by opening the instruction logic of the Add On Instruction instance and then opening the data monitor on a local tag These parameters cannot be modified by using contr
59. ut data elements Inp_ are typically used to connect field inputs from I O modules or signals from other objects e Configuration data elements Cfg_ are used to set configurable capabilities and features of the instruction e Command data elements PCmd_ OCmd_ MCmd_ are used by program logic operators and maintenance personnel to request instruction actions e Setting data elements PSet_ OSet_ MSet_ are used by program logic operators and maintenance personnel to establish runtime setpoints thresholds and so forth Set_ data elements without a leading P O or M establish runtime settings regardless of role or mode Table 3 P_DoseWS Input Parameters Input Parameter Data Description Type Enableln BOOL 1 Ladder Diagram If the rung in condition is true the instruction s Logic routine executes If the rung in condition is false the instruction s EnablelnFalse routine executes Function Block Diagram If true or not connected the instruction s Logic routine executes If the parameter is exposed as a pin and wired and the pin is false the instruction s EnablelnFalse routine executes Structured Text No effect The instruction s Logic routine executes Inp_WeightPV REAL a Ce Weight from weigh scale unscaled Inp_RunFdbk BOOL Pf 1 Controlled equipment is delivering running Inp_DribbleFdbk BOOL O ee 1 Controlled equipment is delivering at dribble Inp_StopFdbk BOOL O 1 Controlled equipment is c
60. ut parameters include the following e Output data elements Out_ are the primary outputs of the instruction typically used by hardware output modules however they can be used by other application logic e Value data elements Val_ are numeric outputs of the instruction for use by the HMI Values can also be used by other application logic or software packages e Source and Quality data elements SrcQ_ are outputs of the instruction used by the HMI to indicate PV source and quality e Status data elements Sts_ are bit outputs of the instruction for use by the HMI Status bits also can be used by other application logic e Error data elements Err_ are outputs of the instruction that indicate a particular configuration error If any Err_ bit is set then the Sts_Err configuration error summary status is set and the Invalid Configuration indicator is displayed on the HMI e Not Ready data elements Nrdy_ are bit outputs of the instruction for use by the HMI for displaying the Device Not Ready indicator Not Ready bits can also be used by other application logic e Alarm data elements Alm_ are outputs of the instruction that indicate a particular alarm has occurred e Acknowledge data elements Ack_ are outputs of the instruction that indicate the corresponding alarm has been acknowledged e Ready data elements Rdy_ are bit outputs of the instruction used by the HMI to enable or disable command buttons and setting ent
61. vice problems which can include specific reasons a device is Not Ready device warnings and faults warning and fault history and predictive preventive maintenance data The Diagnostics tab displays possible reasons the device is not ready P_DoseW5 Dosing with Weigh Scale ne gala Device Hot Ready Reasons Configuration Error External Equipment Fault fault requires reset O P Bad Quality or Comm Failure Device Logic Disabled Mo Mode The above image indicates that the PV has bad quality or there is a communication failure Rockwell Automation Publication SYSLIB RM021E EN E August 2014 49 Weigh Scale Dosing P_DoseWS Trends Tab The Trends Tab shows trend charts of key device data over time These faceplate trends provide a quick view of current device performance to supplement but not replace dedicated historical or live trend displays The Trends tab is divided into 2 pages Trends Tab Page 1 P_ DoseWS Dosing with Weigh Scale q e Ela 10 EH gt pae ren 300 00 375 00 Green Delivery Rate _ _ gt 50 250 00 125 00 O 11 46 02 AM 11 48 02 AM ua Lal Lu Lee eu Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Weigh Scale Dosing P_DoseWS Trends Tab Page 2 P DoseWS Dosing with Weigh Scale 2000 00 Green Delivery Quantity 1500 00 1000 00 300 01 Blue Setpoint 0 00 Fans
62. wing the object s configured tag and description Delivering Weigh scale Dosing 304 40 Pounds 5103 4 Pounds Graphic Representation The label changes color based on the highest severity alarm currently active Color Alarm Severity Light blue Low alarm Yellow Medium alarm Red High alarm Magenta Urgent alarm Gray No active alarms Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Weigh Scale Dosing P_DoseWS The color of the weigh scale symbol and its state text change depending on the commanded state of the controlled equipment Color Flowmeter State Dark Gray No flow stopped White Running Blue Dribble Light Blue Bumping Status Quality Indicators Each of these symbols appears when the described condition is true Graphic Symbol Description Invalid configuration Weight input quality bad stale Device not ready to operate Weight input quality uncertain Device disabled Q gt ix No symbol displayed Weight input quality good and no invalid configuration entries TIP When the Invalid Configuration indicator appears you can find what configuration setting is invalid by following the indicators Click the graphic symbol to open the faceplate The Invalid Configuration indicator appears next to the appropriate tab at the top of the faceplate to guide you in finding the configuration error Once you navigate to the tab the misconfigured item is flagged with this indicator or
63. wledge alarm The parameter is reset automatically When Cfg_PCmdClear is 1 Set PCmd_ lt Alarm gt Suppress to 1 to suppress alarm Set PCmd_ lt Alarm gt Unsuppress to 1 to unsuppress alarm These parameters reset automatically When Cfg_PCmadClear is 0 Set PCmd_ lt Alarm gt Suppress to 1 to suppress alarm Set PCmd_ lt Alarm gt Suppress to 0 to unsuppress alarm PCmd_ lt Alarm gt Unsuppress is not used These Parameters do not reset automatically Set PCmd_ lt Alarm gt Unshelve to 1 to Unshelve alarm The parameter is reset automatically BOOL ee o Operator command to tare reset delivered quantity to 0 BOOL NOS Operator commands to start delivery stop pause delivery or check tolerances BOOL AN Operator command to bump delivery for under tolerance BOOL Mode MCmd_Acq Maintenance command to acquire ownership Operator Program Override to Maintenance BOOL Mode MCmd_Rel Eo Maintenance command to release ownership Maintenance to Operator Program Override BOOL Mode 0Cmd_AcqLock DS Operator command to acquire Program to Operator lock ownership BOOL Mode 0Cmd_UnlockRel sO Operator command to unlock release Operator to Program ownership BOOL ee Operator command to reset all alarms requiring reset BOOL Operator command to acknowledge and reset all alarms and latched shed conditions Rockwell Automation Publication SYSLIB RM021E EN E August 2014 Weigh Scale Dosing P_DoseWS Weigh Scale Dosing Output Structure Outp
64. x to have control of dosing commands follow the Instruction mode Rockwell Automation Publication SYSLIB RM021E EN E August 2014 m A ell 47 Weigh Scale Dosing P_DoseWS Table 14 Engineering Tab Page 3 Description Function Operator keeps control in Program mode Setpoint Program keeps control in Operator mode Setpoint Operator keeps control in Program mode Dribble and preact settings Program keeps control in Operator mode Dribble and preact settings Operator keeps control in Program mode High low tolerances Program keeps control in Operator mode High low tolerances Delivery rate in Loopback Test Rate units Dribble rate in Loopback Test Rate units Tare Weight in Loopback Test Rate units Check to keep control of the setpoint quantity setting with the operator even if the instruction is in Program mode Clear this checkbox to have control of the setpoint quantity setting follow the Instruction mode Check to keep control of the setpoint quantity setting with the program even if the instruction is in Operator mode Clear this checkbox to have control of the setpoint quantity setting follow the Instruction mode Check to keep control of the dribble and preact quantity settings with the operator even if the instruction is in Program mode Clear this checkbox to have control of the dribble and preact quantity settings follow the Instruction mode Check to
65. xecution This parameter defines the default mode When this parameter is 1 the mode defaults to Program if no mode is being requested When this parameter is 0 the mode defaults to Operator if no mode is being requested IMPORTANT Changing this parameter online can cause unintended mode changes 1 Stop delivery and alarm on equipment fault 0 Alarm only on Equipment fault These parameters determine whether the corresponding alarm exists and is checked or if the alarm does not exist and is not used When these parameters are 1 the corresponding alarm exists 13 Weigh Scale Dosing P_DoseWS Table 3 P_DoseWS Input Parameters Input Parameter Data Description Type Cfg_OverTolResetReqd BOOL OverTol Cfg_ResetReqd These parameters determine whether a reset is required to clear the alarm status When these parameters are 1 the alarm is latched ON when the alarm occurs After Cfg_UnderTolResetReqd Underlol Cfg_ResetRegd the alarm condition returns to normal a reset is required to clear the alarm status for example OCmd_Reset Inp_Reset or EqpFault OCmd_Reset are required to Cig_TareFaultResetReqd TareFault Cig_ResetReqd clear Alm_EqpFault alarm after the alarm is set and the equipment returns to normal When these parameters are 0 no reset is required and the alarm status is cleared when the alarm condition returns to normal IMPORTANT If the reset clears the alarm it also acknowledges the alarm Cfg_OverTolA

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