Rockwell Automation Library of Process Objects:
Analog/Pulsed Control Valve (P_ValveC)
Version 3.5
IMPORTANT
This manual applies to the Rockwell Automation Library of Process Objects version 3.5 or earlier.
For Rockwell Automation Library of Process Objects version 5.0, see
• PROCES-RM200
For Rockwell Automation Library of Process Objects version 4.0 or later, use the following manuals:
• PROCES-RM013 contains logic instructions
• PROCES-RM014 contains display elements
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 Automation, Inc. with respect to use of information, circuits, equipment, or
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WARNING: Identifies information about practices or circumstances that can cause an explosion in a hazardous environment,
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ATTENTION: Identifies information about practices or circumstances that can lead to personal injury or death, property
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IMPORTANT
Identifies information that is critical for successful application and understanding of the product.
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Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 20173
Table of Contents
Notes:
4Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 2017
Preface
Software Compatibility and
Content Revision
Additional Resources
Table 1 - Summary of Changes
TopicPage
Visualization Files: Global Objects (.ggfx) - Process Diagnostic Objects11
P_ValveC Local Configuration Tags - Navigation Tag21
For the latest compatible software information and to download the Rockwell
Automation® Library of Process Objects, see the Product Compatibility and
Download Center at
For general library considerations, see Rockwell Automation Library of Process
Objects, publication
PROCES-RM002.
These documents contain additional information concerning related products
from Rockwell Automation.
ResourceDescription
PlantPAx® Distributed Control System Selection Guide,
publication
PlantPAx Distributed Control System Reference Manual,
publication
Rockwell Automation Library of Process Objects,
publication
FactoryTalk® View Machine Edition User Manual,
publication
FactoryTalk View Site Edition User Manual,
publication
Logix5000™ Controllers Add On Instructions Programming
Manual, publication
Rockwell Automation Library of Process Objects Common
Alarm Block (P_Alarm) Reference Manual,
publication
Rockwell Automation Library of Process Objects: Interlocks
with First Out and Bypass (P_Intlk) Reference Manual,
publication
Rockwell Automation Library of Process Objects Common
Mode Block (P_Mode) Reference Manual, publication
SYSLIB-RM005
PROCES-SG001
PROCES-RM001
PROCES-RM002
VIEWME-UM004
VIEWSE-UM006
1756-PM010
SYSLIB-RM002
SYSLIB-RM004
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-machine 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.
Explains how to collect (sum up) the interlock
conditions that stop or de-energize a running or
energized piece of equipment or prevent it from
starting or being energized.
Explains how to select 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.
Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 20175
Preface
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.
6Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 2017
Analog/Pulsed Control Valve (P_ValveC)
The P_ValveC (Analog/Pulsed Control Valve) Add-On Instruction manipulates
a control valve by using an analog signal or discrete signals, and monitors the
valve by using an analog position feedback. The global objects and following
faceplate are examples of the graphical interface tools for this Add-On
Instruction.
Global Objects
Faceplate
Add-On Instruction
Guidelines
Use this instruction in these situations:
• You want to use a control (modulating) valve where 0…100% is mapped to
the percentage open.
• The valve requires an analog output (or analog value over a network) for
the target position, or the valve requires a pair of discrete outputs
(or discrete signals over a network) to tell it when to move toward fully
closed and when to move toward fully open. The discrete outputs can be
held (for a motor-operated control valve) or pulsed (for a ratcheting
control valve).
• If you use discrete outputs, and optionally if you use the analog output, the
valve provides an actual position feedback signal.
Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 20177
Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
Do not use this instruction in these situations:
• You are using a single analog output control valve with a PID loop (the
P_PIDE Add-On Instruction or the PIDE built-in instruction). The
CVEU signal can be used directly to drive the valve or you can use the
P_AOut (Analog Output) Add-On Instruction.
• You are using a two-state valve, such as a motor-operated or
solenoid-operated valve that is driven only fully open or fully closed and
not used to control flow or pressure. Use the appropriate two-state valve
instruction instead:
• P_ValveMO for motor operated valve (also for a dual solenoid operated
valve)
• P_ValveSO for a single solenoid operated valve
Functional Description
The P_ValveC Instruction provides the following capabilities:
• Program and operator entry of the target valve position (percentage of the
valve opening).
• Ramping of the valve position to the entered target at a specified rate of
change (percent per second).
• Scaling of the Position Feedback from the valve from raw (I/O card or
network value) units to percent open.
• Monitoring of Interlock conditions. When an Interlock condition is not
OK, the valve can be configured to hold its current position or shed to a
configured Interlock position.
• Monitoring for I/O communication faults. When an I/O communication
fault occurs, this instruction can be configured to alarm only, or to shed,
either to hold the current position or go to the configured Interlock
position.
• Provides alarms for Interlock trip, I/O fault, or an actuator-declared fault.
• Provides full-open and full-closed status based on user-specified ranges for
analog position feedback, or based on optional valve travel limit switches.
• Provides an ‘available’ status when the control valve instruction is in
Program mode and the valve is capable of being controlled.
The diagram shows the functional characteristics of the P_ValveC
Add-On Instruction.
8Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 2017
Analog/Pulsed Control Valve (P_ValveC) Chapter 4
Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 20179
Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
Required Files
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_ValveC_3_5-00_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.
Visualization Files
This Add-On Instruction has associated visualization files that provide a
common user interface. These files can be downloaded from the Product
Compatibility and Download Center at
The visualization file dependencies require Process Library content imports to
occur in a specific order as reflected in the following tables:
• Images
• Global Objects
• Standard Displays
• HMI Tags
• Macros
Images are external graphic files that can be used in displays. They must be
imported for FactoryTalk View to make use of them.
When PNG files are imported, they are renamed by FactoryTalk View with
a .bmp file extension, but retain a .png format.
Table 2 - Visualization Files: Images (.png)
FactoryTalk View SE SoftwareFactoryTalk View ME SoftwareDescription
All .png files in the images folderAll .png files in the images folderThese are the common icons used in the global objects and
standard displays for all Process Objects.
The Global Object files (.ggfx file type) in the following table are Process Library
display elements that are created once and referenced multiple times on multiple
displays in an application. When changes are made to a Global Object, all
instances in the application are automatically updated.
Table 3 - Visualization Files: Global Objects (.ggfx)
FactoryTalk View SE SoftwareFactoryTalk View ME SoftwareDescription
(RA-BAS) Common Faceplate Objects(RA-BAS-ME) Common Faceplate ObjectsGlobal objects used on process object faceplates.
10Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 2017
Analog/Pulsed Control Valve (P_ValveC) Chapter 4
Table 3 - Visualization Files: Global Objects (.ggfx)
FactoryTalk View SE SoftwareFactoryTalk View ME SoftwareDescription
(RA-BAS) P_LLS Graphics Library(RA-BAS-ME) P_LLS Graphics LibraryP_LLS global object device symbols used to build
(RA-BAS) Process Alarm Objects(RA-BAS-ME) Process Alarm ObjectsGlobal objects used for managing alarms on process
(RA-BAS) Process Diagnostic Objects(RA-BAS-ME) Process Diagnostic ObjectsDiagnostic global objects used on process object
(RA-BAS) Process Faceplate Motor Objects(RA-BAS-ME) Process Faceplate Motor ObjectsMotor global objects used on process object faceplates.
(RA-BAS) Process Help Objects(RA-BAS-ME) Process Help ObjectsGlobal objects used for all process objects help displays.
(RA-BAS) Process Interlock Objects(RA-BAS-ME) Process Interlock ObjectsGlobal objects used for managing interlocks and
(RA-BAS) Process Mode Objects(RA-BAS-ME) Process Mode ObjectsGlobal objects used for managing modes on process
process graphics.
object faceplates.
faceplates.
permissives on process object faceplates.
object faceplates.
The Standard Display files (.gfx file type) in the following table are the Process
Library displays that you see at runtime.
Table 4 - Visualization Files: Standard Displays (.gfx)
FactoryTalk View SE SoftwareFactoryTalk View ME SoftwareDescription
(RA-BAS) Common-AnalogEditN/AFaceplate used for analog input data entry. The FactoryTalk
(RA-BAS) P_Alarm-Faceplate(RA-BAS-ME) P_Alarm-FaceplateThe faceplate that is used for managing alarms for
(RA-BAS) P_Alarm-Help(RA-BAS-ME) P_Alarm-HelpAlarm Help information that is accessed from the
(RA-BAS) P_LLS-Faceplate(RA-BAS-ME) P_LLS-FaceplateThe faceplate that is used for the object
(RA-BAS) P_LLS-Quick(RA-BAS-ME) P_LLS-QuickThe Quick display that is used for the object
(RA-BAS) P_Mode-Config(RA-BAS-ME) P_Mode-ConfigThe Configuration Display used to configure the
(RA-BAS) Process Motor Family-Help(RA-BAS-ME) Process Motor Family-HelpThe Help display for Motor objects
(RA-BAS) Process Interlock Family-Help(RA-BAS-ME) Process Interlock Family-HelpOptional
View ME faceplates use the native analog input data entry
so no file is required.
the object.
P_AIarm faceplate.
P_Mode object.
The interlock faceplate used for the object.
Use this file if your Discrete Output has an associated
P_Intlk object and you enable navigation to its faceplate
from the Discrete Output faceplate.
Permissive faceplate that is used for the object
Use this file if your object has an associated P_Perm object
and you enable navigation to the P_Perm faceplate from
the object faceplate.
Interlock/permissives help display that is used for
the object
Use this file if you use the P_Intlk or P_Perm faceplate.
HMI Tags are created in a FactoryTalk View ME application to support tab
switching on Process Library faceplates. The HMI tags may be imported via the
comma-separated values file (.csv file type) in the following table.
Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 201711
Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
Table 5 - Visualization Files: HMI Tags (.csv)
FactoryTalk View SE SoftwareFactoryTalk View ME SoftwareDescription
N/AFTVME_PlantPAxLib_Tags_3_5_xx.csv
where xx = the service release number.
These tags must be imported into the
FactoryTalk View ME project to support switching tabs on
any Process Object faceplate.
In a FactoryTalk View SE application, a macro is a series of commands stored in a
text file. In FactoryTalk View ME application, a macro is a list of tag assignments
stored in a text file. The following table lists the Macros (.mcr file type) used by
the Process Library.
Table 6 - Visualization Files: Macros (.mcr file)
FactoryTalk View SE SoftwareFactoryTalk View ME SoftwareDescription
NavToP_LLS_MotorN/AThis macro must be imported into the FactoryTalk View SE
project to support navigation to the Motor faceplate from
the P_LLS faceplate.
12Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 2017
Analog/Pulsed Control Valve (P_ValveC) Chapter 4
Controller Code
This section describes the parameter references for this Add-On Instruction.
Analog/Pulsed Control Valve Input Structure
Input parameters include the following:
• Input data elements (Inp_) are typically used to connect field inputs from
I/O modules or signals from other objects.
• Configuration data elements (Cfg_) are used to set configurable
capabilities and features of the instruction.
• Command data elements (PCmd_, OCmd_, MCmd_) are used by
program logic, operators, and maintenance personnel to request
instruction actions.
• Setting data elements (PSet_, OSet_) are used by program logic, operators,
and maintenance personnel to establish runtime setpoints, thresholds, and
so forth.
Table 7 - P_ValveC Input Parameters
Input ParameterData
Type
EnableInBOOL1Ladder Diagram:
Inp_PosFdbkREAL0.0Position feedback from valve (in raw input units).
Inp_OpenLSBOOL0Valve open limit switch.
Inp_ClosedLSBOOL0Valve closed limit switch.
Inp_ActuatorFaultBOOL0Valve actuator fault (overload, and so forth):
Inp_IntlkOKBOOL11 = Interlocks OK, pulse output valve can be moved.
Inp_NBIntlkOKBOOL11 = Non-bypassable interlocks OK, pulse output valve can be moved.
Inp_IOFaultBOOL0Input/output communication status:
Inp_SimBOOL0Simulation input. When set to 1, the instruction holds the analog output at
Inp_HandBOOLMode.Inp_Hand01 = Select Hand (hard-wired) mode.
Inp_OvrdCVREAL0.0CV target in Override mode (CV engineering units).
Inp_ResetBOOL0Input parameter used to programatically reset alarms. When set to 1, all
Alias ForDefaultDescription
If the rung-in condition is true, the instruction’s Logic routine executes. If
the rung-in condition is false, the instruction’s EnableInFalse 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 EnableInFalse routine executes.
Structured Text:
No effect. The instruction’s Logic routine executes.
1 = Confirmed fully open.
1 = Confirmed fully closed.
0 = OK
1 = Fault
0 = OK
1 = Fail
zero and holds the discrete pulse outputs off while simulating a working
valve. When set to 0, the instruction controls the valve position normally.
alarms requiring reset are reset.
Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 201713
Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
Table 7 - P_ValveC Input Parameters
Input ParameterData
Type
Cfg_ShedHoldBOOL01 = Hold output on interlock or bad CV.
Cfg_ShedOnIOFaultBOOL01 = Take shed action (hold or interlock CV) and alarm on I/O Fault.
Cfg_SkipRoCLimBOOL01 = Skip Rate of Change limiting in Interlock, Maintenance, Override
Cfg_SetTrackBOOL1This parameter is used to set up bumpless behavior of setting parameters
Cfg_HasIntlkTripAlmBOOLIntlkTrip.Cfg_Exists0These parameters determine whether the corresponding alarm exists and
Cfg_HasActuatorFaultAlmActuatorFault.Cfg_Exists
Cfg_HasIOFaultAlmIOFault.Cfg_Exists
Alias ForDefaultDescription
0 = Go to Cfg_IntlkCV.
0 = Alarm only on I/O Fault.
IMPORTANT: If a condition is configured to shed the device on a fault, a
reset is required to clear the shed fault to command the device.
modes.
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 programset and operator-set values.
0 = Both switches Off = fail.
Inp_IntlkOK and navigation to the interlock object’s faceplate is enabled.
IMPORTANT: The name of the interlock object in the controller must be
this object's name with the suffix ‘_Intlk’. For example, if your P_ValveC
object has the name ’ValveC123’, then its interlock object must be named
‘ValveC123_Intlk’.
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 execution.
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.
0 = Override mode uses all interlocks.
is checked or if the alarm does not exist and is not used.
When these parameters are 1, the corresponding alarm exists.
14Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 2017
Table 7 - P_ValveC Input Parameters
Analog/Pulsed Control Valve (P_ValveC) Chapter 4
Input ParameterData
Type
Cfg_IntlkTripResetReqdBOOLIntlkTrip.Cfg_ResetReqd0These parameters determine whether a reset is required to clear the alarm
Cfg_MinCVREAL0.0Minimum CV (in CV engineering units, for limiting).
Cfg_MaxCVREAL100.0Maximum CV (in CV engineering units, for limiting).
Cfg_MaxCVRoCIncREAL10.0Maximum allowed CV Rate of Change (increasing) setting (engineering
Cfg_MaxCVRoCDecREAL10.0Maximum allowed CV Rate of Change (decreasing) setting (engineering
Cfg_IntlkCVREAL0.0CV (target in engineering units) when interlocked (used when
Cfg_CVEUMinREAL0.0These parameters must be set to the range of the signal connected to the
Cfg_CVEUMax100.0
Cfg_CVRawMinREAL0.0These parameters must be set to match the CV range of the output signals
Cfg_CVRawMax100.0
Cfg_FdbkRawMinREAL0.0These parameters must be set to the range of the signal connected to the
Cfg_FdbkRawMax100.0
Cfg_CycleTREAL10.0Open and close pulse output overall period (seconds).
Cfg_OpenRateREAL1.0Rate at which valve moves when opening (CV engineering units/second).
Cfg_CloseRateREAL1.0Rate at whcih valve moves when closing (CV engineering units/second).
Cfg_MaxOnTREAL5.0Open and close pulse output maximum on time (seconds).
Cfg_MinOnTREAL1.0Open and close pulse output minimum on time (seconds).
Alias ForDefaultDescription
status. When these parameters are 1, the alarm is latched ON when the
alarm occurs. After the alarm condition returns to normal, a reset is
required to clear the alarm status (for example, OCmd_Reset, Inp_Reset,
or IOFault.OCmd_Reset are required to clear Alm_IOFault alarm after the
alarm is set and the value 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.
an alarm. When these parameters are 1, the acknowledge (ack) bit is
cleared when the alarm occurs. An acknowledge command (for example,
PCmd_IOFaultAck or IOFault.OCmd_Ack) are required to acknowledge the
alarm. When set to 0, the Acknowledge bit is set when an alarm occurs
indicating an acknowledged alarm and no acknowledge command is
required.
color and symbol that are used to indicate alarm status on the faceplate
and global object.
The following are valid values:
1…250 = Low
251…500 = Medium
501…750 = High
751…1000 = Urgent
IMPORTANT: For FactoryTalk View software, version 7.0, these severity
priorities drive only the indication on the global object and faceplate. The
Alarm & Events definition severity drives the color and symbol that is used
on the alarm banner and alarm summary as well a the value returned by
the FactoryTalk Alarm and Events software display commands.
units/second).
units/second).
Cfg_ShedHold is configured to 0).
setting inputs (for example, PSet_CV). The output is then scaled to the
values set by Cfg_CVRawMin and Cfg_CVRawMax.
(Out_CV) in raw units.
EXAMPLE: If your output card expects a value in the range of 4…20 and
the P_ValveC's CV is ranged 0…100% , P_ValveC can scale the outputs for
you by setting Cfg_CVRawMin to 4, Cfg_CVRawMax to 20, Cfg_CVEUMin
to 0, and Cfg_CVEUMax to 100.
feedback signal (Inp_PosFdbk). The inputs are then scaled to the values set
by Cfg_CVEUMin and Cfg_CVEUMax.
Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 201715
Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
Table 7 - P_ValveC Input Parameters
Input ParameterData
Type
Cfg_BumpTREAL0.0Time to bump valve open or closed (by operator) when feedback bad
Cfg_DeadtimeREAL0.0Additional time on first pulse after stop or direction change.
Cfg_MaxClosedPosREAL0.0Position above which valve is assumed open if limit switches are not used.
PSet_CVREAL0.0Program setting of controlled variable (output) (CV engineering units).
PSet_CVRoCLimIncREAL0.0Program setting of CV Rate of Change limit, increasing (in engineering
PSet_CVRoCLimDecREAL0.0Program setting of CV Rate of Change limit, decreasing (in engineering
PSet_OwnerDINT0.0Program owner Request ID (non-zero) or Release (zero).
OSet_CVREAL0.0Operator setting of controlled variable (output) (CV engineering units).
OSet_CVRoCLimIncREAL0.0Operator setting of CV Rate of Change limit, increasing (in engineering
OSet_CVRoCLimDecREAL0.0Operator setting of CV Rate of Change limit, decreasing (in engineering
PCmd_AcqBOOLMode.PCmd_Acq0When Cfg_PCmdClear is 1:
PCmd_RelMode.PCmd_Rel
PCmd_LockBOOLMode.PCmd_Lock0When Cfg_PCmdClear is 1:
PCmd_UnlockMode.PCmd_Unlock
PCmd_ResetBOOL0• Set PCmd_Reset to 1 to reset all alarms requiring reset
PCmd_IntlkTripAckBOOLIntlkTrip.PCmd_Ack0• Set PCmd_<Alarm>Ack to 1 to Acknowledge alarm
PCmd_ActuatorFaultAckActuatorFault.PCmd_Ack
PCmd_IOFaultAckIOFault.PCmd_Ack
PCmd_IntlkTripSuppressBOOLIntlkTrip.PCmd_Suppress0When Cfg_PCmdClear is 1:
OCmd_BumpOpenBOOL0Operator command to bump valve open (available if feedback bad).
Alias ForDefaultDescription
(seconds).
units/second).
units/second).
units/second).
units/second).
• Set PCmd_Acq to 1 to Acquire
• Set PCmd_Rel to 1 to Release
• These parameters reset automatically
When Cfg_PCmdClear is 0:
• Set PCmd_Acq to 1 to Acquire
• Set PCmd_Acq to 0 to Release
• PCmd_Rel is not used
• These parameters do not reset automatically
• Set PCmd_Lock to 1 to Lock
• Set PCmd_Unlock to 1 to Unlock
• These parameters reset automatically
When Cfg_PCmdClear is 0:
• 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
• This parameter is always reset automatically
• The parameter is reset automatically
• Set PCmd_<Alarm>Suppress to 1 to suppress alarm
• Set PCmd_<Alarm>Unsuppress to 1 to unsuppress alarm
• These parameters reset automatically
When Cfg_PCmdClear is 0:
• Set PCmd_<Alarm>Suppress to 1 to suppress alarm
• Set PCmd_<Alarm>Suppress to 0 to unsuppress alarm
• PCmd_<Alarm>Unsuppress is not used
• These Parameters do not reset automaticallyS
• The parameter is reset automatically
16Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 2017
Table 7 - P_ValveC Input Parameters
Analog/Pulsed Control Valve (P_ValveC) Chapter 4
Input ParameterData
Type
OCmd_BumpCloseBOOL0Operator command to bump valve closed (available if feedback bad).
OCmd_BypassBOOL0Operator command to bypass all bypassable interlocks.
OCmd_CheckBOOL0Operator command to check (not bypass) all interlocks.
MCmd_DisableBOOL0Maintenance command to disable control valve.
MCmd_EnableBOOL0Maintenance command to enable control valve.
MCmd_AcqBOOLMode.MCmd_Acq0Maintenance command to acquire ownership (Operator/Program/Override
MCmd_RelBOOLMode.MCmd_Rel0Maintenance command to release ownership (Maintenance to Operator/
OCmd_AcqLockBOOLMode.OCmd_AcqLock0Operator command to acquire (Program to Operator)/lock ownership.
OCmd_UnlockBOOLMode.OCmd_UnlockRel0Operator command to unlock/release (Operator to Program) ownership.
OCmd_ResetBOOL0Operator command to reset all alarms requiring reset.
OCmd_ResetAckAllBOOL0Operator command to acknowledge and reset all alarms and latched shed
Alias ForDefaultDescription
to Maintenance)
Program/Override)
conditions.
Analog/Pulsed Control Valve Output Structure
Output parameters include the following:
• 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.
• Value data elements (Val_) are numeric outputs of the instruction for
use by the HMI. Values also can be used by other application logic or
software packages.
• Source and Quality data elements (SrcQ_) are outputs of the instruction
used by the HMI to indicate PV source and quality.
• 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.
• 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.
• 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.
• Alarm data elements (Alm_) are outputs of the instruction that indicate a
particular alarm has occurred.
• Acknowledge data elements (Ack_) are outputs of the instruction that
indicate the corresponding alarm has been acknowledged.
Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 201717
Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
• Ready data elements (Rdy_) are bit outputs of the instruction used by the
HMI to enable and disable Command buttons and Setting entry fields.
Table 8 - P_ValveC Output Parameters
Output ParameterData TypeAlias ForDescription
EnableOutBOOLEnable Output: The EnableOut signal is not manipulated by this instruction. Its output state
Out_CVREALCV output in raw (I/O Card) units.
Out_OpenBOOLPulse output to drive valve open.
Out_CloseBOOLPulse output to drive valve closed.
Val_PosREALValve actual position from feedback (CV engineering units).
Val_CVOutREALValue of CV output (after clamping and ramping) (CV engineering units).
Val_CVRoCLimIncREALValue of CV Rate of Change Limit, increasing (in engineering units/second).
Val_CVRoCLimDecREALValue of CV Rate of Change Limit, decreasing (in engineering units/second).
Val_CVEUMinREALMinimum of scaled range = Min (Cfg_CVEUMin, Cfg_CVEUMax).
Val_CVEUMaxREALMaximum of scaled range = Max (Cfg_CVEUMin, Cfg_CVEUMax.)
SrcQ_IOSINTI/O signal source and quality.
SrcQFinal position source and quality.
Val_FdbkSINTDevice feedback includes the following:
Val_StsSINTDevice status includes the following:
Val_FaultSINTDevice fault status includes the following:
always reflects
EnableIn input state.
GOOD 0 = I/O live and confirmed good quality
1 = I/O 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 = I/O channel fault
34 = I/O module fault
35 = Bad I/O configuration (for example, scaling parameters)
0 = At Target
1 = Ramping to close
2 = Ramping to open
3 = Clamped at minimum
4 = Clamped at maximum
5 = Closing to target (bump)
6 = Opening to target (bump)
33 = Disabled
0 = None
32 = I/O Fault
34 = Configuration Error
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Analog/Pulsed Control Valve (P_ValveC) Chapter 4
Table 8 - P_ValveC Output Parameters
Output ParameterData TypeAlias ForDescription
Val_ModeSINTMode.ValThe current mode is shown with status bits and also as an enumeration ‘Val_Mode’ as
Val_OwnerDINTCurrent object owner ID (0 = not owned).
Val_NotifySINTCurrent alarm level and acknowledgement (enumeration):
Sts_CVInfNaNBOOL1 = Selected CV is Infinite or Not A Number (1.$, 1.#NaN).
Sts_PosInfNaNBOOL1 = Inp_PosFdbk is Infinite or Not A Number.
Sts_BumpOpenBOOL1 = Bump open requested or active.
Sts_BumpCloseBOOL1 = Bump close requested or active.
Sts_RampingBOOL1 = CV is ramping to target.
Sts_ClampedBOOL1 = CV Set is clamped at CVMinimum or CVMaximum.
Sts_SkipRoCLimBOOL1 = Rate of Change limiting was skipped this scan (Maintenance, Override, Interlock, Hand).
Sts_ActiveBOOL1 = CV is greater than Cfg_MaxClosedPos, show graphic symbol as ‘active’.
Sts_AvailableBOOL1 = Control valve available for control by automation (Program).
Sts_BypassBOOL1 = Bypassable interlocks are bypassed.
Sts_BypActiveBOOL1 = Bypassing active (Bypassed or Maintenance).
Sts_DisabledBOOL1 = Output is disabled.
Sts_LSFailBOOL1 = Limit switch overlap failure.
Sts_NotRdyBOOL1 = Device is not ready to be operated.
Nrdy_DisabledBOOL1 = Device Not Ready:
Nrdy_CfgErr
Nrdy_Intlk
Nrdy_IOFault
Nrdy_NoMode
Sts_MaintBypBOOL1 = Device has a maintenance bypass function active.
Sts_AlmInhBOOL1 = One or more alarms shelved, disabled or suppressed.
Sts_ErrBOOL1 = Error in configuration: see detail bits for reason.
follows:
0 = No mode
1 = Hand
2 = Maintenance
3 = Override
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)
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)
• Device disabled by Maintenance
• Configuration error
• Interlock not OK
• I/O Fault (shed requires reset)
• Device Logic disabled/No mode.
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Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
Table 8 - P_ValveC Output Parameters
Output ParameterData TypeAlias ForDescription
Err_LimitBOOL1 = Error in configuration: CV limits swapped.
Err_EUBOOL1 = Error in configuration: Scaled CV engineering units minimum = maximum.
Err_RawBOOL1 = Error in configuration: Raw output scaling minimum = maximum.
Err_FdbkBOOL1 = Error in configuration: Raw feedback scaling minimum = maximum.
Err_TimerBOOL1 = Error in configuration: Invalid timer preset (use 0…2,147,483).
Err_AlarmBOOL1 = Error in configuration: Alarm minimum on time or severity.
Sts_HandBOOLMode.Sts_Hand1 = Mode is Hand (supersedes Maintenance, Override, Program, Operator).
Sts_MaintBOOLMode.Sts_Maint1 = Mode is Maintenance (supersedes Override, Program, Operator).
Sts_OvrdBOOLMode.Sts_Ovrd1 = Mode is Override (supersedes Program, Operator).
Sts_ProgBOOLMode.Sts_Prog1 = Mode is Program (auto).
Sts_OperBOOLMode.Sts_Oper1 = Mode is Operator (manual).
Sts_ProgOperLockBOOLMode.Sts_ProgOperLock1 = Program or operator has requested Mode Lock.
Sts_NoModeBOOLMode.Sts_NoMode1 = No mode (disabled because EnableIn is false).
Sts_MAcqRcvdBOOLMode.Sts_MAcqRcvd1 = Maintenance Acquire command received this scan.
Sts_IntlkTripBOOLIntlkTrip.Inp1 = Status: CV held or forced by interlock not OK.
Rdy_BumpOpenBOOL1 = Ready to receive OCmd_BumpOpen, OCmd_BumpClose, OCmd_Bypass, OCmd_Check,
Rdy_BumpClose
Rdy_Bypass
Rdy_Check
Rdy_Reset
or OCmd_Reset (enables HMI button).
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Analog/Pulsed Control Valve (P_ValveC) Chapter 4
Table 8 - P_ValveC Output Parameters
Output ParameterData TypeAlias ForDescription
Rdy_DisableBOOL1 = Ready to receive MCmd_Disable or MCmd_Enable (enables HMI button).
Rdy_Enable
Rdy_ResetAckAllBOOL1 = At least one alarm or latched shed condition requires reset or acknowledgment.
Rdy_CVBOOL1 = Ready to receive OSet_CV, OSet_CVRoCLimInc, or OSet_CVRoCLimDec (enables data
Rdy_CVRoCLimInc
Rdy_CVRoCLimDec
P_ValveCBOOLUnique parameter name for auto-discovery.
entry field).
Analog/Pulsed Control Valve Local Configuration Tags
Configuration parameters that are array, 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 Studio 5000 Logix Designer®
application 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 controller logic or Logix Designer application
export/import functionality.
Table 9 - P_ValveC Local Configuration Tags
Tag NameData TypeDefaultDescription
Cfg_CVNavTagSTRING_NavTag' 'Tagname for destination of CV Navigation button.
IMPORTANT: This tag does not work in FactoryTalk ME Software.
Cfg_DescSTRING_40'Control Valve'Description for display on HMI. This string is shown in the title bar of the faceplate.
Cfg_EUSTRING_8'% Open'Engineering units for display on HMI.
Cfg_LabelSTRING_20'Control Valve'Label for graphic symbol displayed on HMI. This string appears on the graphic symbol.
Cfg_TagSTRING_20'P_ValveC'Description for display on HMI. This string is shown in the title bar of the faceplate.
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Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
Operations
This section describes the primary operations for Add-On Instructions.
Modes
This instruction uses the following standard modes, which are implemented by
using an embedded P_Mode Add-On Instruction.
Table 10 - Modes
ModeDescription
OperatorThe Operator owns control of the group. Operator commands (OCmd_) and Operator settings
(OSet_) from the HMI are accepted.
ProgramProgram logic owns control of the group. Program commands (PCmd_) and Program settings
(PSet_) are accepted.
OverridePriority logic owns control of the group and supersedes Operator and Program control. Override
Inputs (Inp_OvrdCmd and other Inp_OvrdXxxx values) are accepted. If so configured,
bypassable interlocks and permissives are bypassed.
MaintenanceMaintenance owns control of the group and supersedes Operator, Program, and Override control.
Operator commands and settings from the HMI are accepted. Bypassable interlocks and
permissives are bypassed, and device timeout checks are not processed.
HandHardwired logic or other logic outside the instruction owns control of the group. The instruction
tracks the state of the device for bumpless transfer back to one of the other modes.
No ModeThe device is disabled and has no owner because the EnableIn input is false. The main
instruction Logic routine is not being scanned. See Execution section for more information on
EnableInFalse processing.
See Rockwell Automation Library of Process Objects: Common Mode Block
(P_Mode) Reference Manual, publication SYSLIB-RM005, for more
information.
Alarms
This instruction uses the following alarms, which are implemented by using
embedded P_Alarm and P_Gate Add-On Instructions.
Alarm NameP_Alarm NameP_Gate NameDescription
Can’t StartCantStartNoneRaised when there are not enough motors available to
start to satisfy the entered Demand. Too many motors
are faulted or stopped in a mode other than Program.
Can’t StopCantStopNoneRaised when there are not enough motors available to
stop to satisfy the entered Demand. Too many motors
are running in a mode other than Program.
Interlock TripIntlkTripNoneRaised when the motor is running and an interlock
'not OK' condition causes the motor to stop.
If interlocks are not bypassed, a bypassable interlock
or a non-bypassable interlock 'not OK' condition
initiates an interlock trip. If interlocks are bypassed,
only a non-bypassable interlock 'not OK' condition
initiates an interlock trip.
Parameters of the P_Alarm object can be accessed by using the following
convention: [P_Alarm Name].[P_Alarm Parameter].
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Analog/Pulsed Control Valve (P_ValveC) Chapter 4
Simulation
Simulation in P_ValveC holds the analog output at zero and holds the discrete
pulse outputs off while simulating a working valve. The I/O fault input is
ignored.
You must set the Inp_Sim parameter in the controller to ‘1’ to enable simulation.
The Loopback Test icon is displayed at the bottom left of the Operator
faceplate indicating the device is in simulation.
When you have finished in simulation, set the Inp_Sim parameter in the
controller to ‘0’ to return to normal operation.
Execution
The following table explains the handling of instruction execution conditions.
ConditionDescription
EnableIn False (false rung)Processing for EnableIn False (false rung) is handled the
Powerup (prescan, first scan)Processing of modes and alarms on pre-Scan and
Postscan No SFC Postscan logic is provided.
See the Logix5000 Controllers Add-On Instructions Programming Manual,
publication
1756-PM010, for more information.
same as if the Control Valve were Disabled by Command.
The discrete open and close outputs are de-energized. The
analog CV output is de-energized (zeroed). The Control
Valve instruction is shown as Disabled on the HMI. The
mode is shown as NO MODE.
Powerup is handled by the embedded P_Mode and
P_Alarm instructions - refer to their specifications for
details. On Power-up, the Control Valve ownership is
cleared and any commands received while the controller
was in PROG mode are discarded; otherwise, all data
remains in the state it was in at power down.
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Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
Programming Examples
This section shows two examples for using the P_Valve C instruction.
Example 1: Manual Loading Station
This example uses the P_ValveC instruction to implement a manual loading
station for a pressure control valve that is used to regulate gas supply to a process.
The control valve in our example has open and closed limit switches and a
position feedback. The desired valve position is provided by the operator through
the HMI faceplate.
The field inputs for position feedback, open limit switch, and closed limit switch
(as shown in the illustration) are connected to the instruction inputs
Inp_PosFdbk, Inp_OpenLS, and Inp_ClosedLS. The Out_CV is connected to
the field output going to the valve.
The parameters Cfg_HasOpenLS and Cfg_HasClosedLS are both set to 1 so the
instruction knows the field is providing open and closed limit switches. The
parameters Cfg_UseOpenLS and Cfg_UseClosedLS are set to 1 so that these
limit switches are used to determine device status.
The analog output card is expecting an output in units of 4…20 mA; however, the
faceplate shows the value in terms of 0…100% open. Therefore, the scaling
parameters are set as follows:
The feedback signal is also provided in units of 4…20 mA, so the parameters
Cfg_FdbkRawMin and Cfg_FdbkRawMax are set to 4 and 20, respectively.
We want to limit the operator entry of the desired valve position to 80% open by
setting Cfg_MaxCV to 80.
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Analog/Pulsed Control Valve (P_ValveC) Chapter 4
The parameters Cfg_HasIOFaultAlm, Cfg_HasActuatorFaultAlm, and
Cfg_HasIntlkTripAlm are all set to 0 to indicate that no alarms are necessary for
this device.
Lastly, configure the following local configuration tags to drive the text on the
HMI faceplate. In this example, they are set as follows:
This example uses the P_ValveC instruction to automate a ratcheting valve that is
driven open or closed by using two discrete outputs to control flow. The flow
valve in our example has a position feedback. The desired valve position is
provided by an output of a control algorithm that is elsewhere in logic.
In this example, the field inputs for position feedback are wired (or connected) to
the instruction input Inp_PosFdbk. Out_Open and Out_Close are connected to
the field outputs going to the valve. The input to the instruction to set valve
position is wired to PSet_CV. Cfg_ProgDefault is set to 1 so the instruction
defaults to Program mode.
The analog output is not used; however, the faceplate shows the value in terms of
0…100% open. Therefore, the scaling parameters are set as follows:
The feedback signal is provided in units of 4…20 mA, so the parameters
Cfg_FdbkRawMin and Cfg_FdbkRawMax are set to 4 and 20, respectively.
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Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
In this example, the ratcheting control valve is to be adjusted by cycling the open
or close valve command for a period of time proportional to the amount the valve
is to be moved. Cfg_CycleT is set to 10, to define the overall period of the cycle to
cycle on and off the open or close output. Cfg_OpenRate and
Cfg_OpenCloseRate are both set to 1, which means the required valve output is
energized 1 second for every 1% difference between the desired position and the
feedback position.
Cfg_MaxOnT is set to 5 so that the output is energized for no more than
5 seconds of the 10-second cycle time to allow for the valve to move, and the
feedback to be verified before the next cycle. Cfg_MinOnT is set to 1 so that the
output does not pulse if the calculated pulse time is less than 1 second.
The parameters Cfg_HasIOFaultAlm, Cfg_HasActuatorFaultAlm, and
Cfg_HasIntlkTripAlm are all set to 0 to indicate that no alarms are necessary for
this device.
Lastly, configure the following local configuration tags to drive the text on the
HMI faceplate. In this example, they are set as follows:
Cfg_Tag:FV110813
Cfg_Label:Flow Control Valve
Cfg_Desc:Flow Ratcheting Control Valve
Cfg_EU:%
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Analog/Pulsed Control Valve (P_ValveC) Chapter 4
Display 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 11 - P_ValveC Display Elements Description
Display Element Name Display ElementDescription
GO_ProcessControlValveNormal controlled valve symbol for horizontal pipe.
GO_ProcessControlValve1Inverted controlled valve symbol for horizontal pipe.
GO_ProcessControlValve2Controlled valve symbol for vertical pipe (pipe to the left).
GO_ProcessControlValve3Controlled valve symbol for vertical pipe (pipe to the right).
Common attributes of the P_ValveC global objects include the following:
• Animated graphic symbol representing the device
• Current value of the CV with engineering unit text
• Status/Quality indicators
• Mode indicator
• Maintenance Bypass indicator
• Label
• Color changing alarm border that blinks on unacknowledged alarm
• Alarm indicator that changes color and symbol with the severity of an
alarm
Border
Label
Alarm Indicator
Status/Quality IndicatorCurrent CV
Value
Engineering Units Text
Valve Graphic Symbol
Maintenance Bypass
Indicator
Status / Quality Indicator
Mode Indicator
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Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
Status/Quality Indicators
One of these symbols appears on the graphic symbol when the described
condition is true.
Graphic SymbolDescription
Invalid configuration.
Data quality bad/failure.
Data Quality degraded: uncertain, test, simulation, substitution, or out of specification.
The group has been disabled.
Device not ready to operate.
Motor running.
Motor idle.
Motor not controllable.
No symbol displayedI/O communication and quality good, configuration valid.
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 appear in a magenta box.
For the Analog/Pulsed Control Valve Instruction, the Invalid Configuration
indicator appears under the following conditions:
• CV Scaled EU Minimum and EU Maximum scaling parameters are set to
the same value.
• CV Output Raw Minimum and Raw Maximum scaling parameters are set
to the same value.
• Position Feedback Raw Minimum and Raw Maximum scaling parameters
are set to the same value.
• Maximum CV clamp value is less than the Minimum CV clamp value.
• Pulse output Cycle Time is set to a value less than zero or greater than
2,147,483 seconds.
• Alarm Minimum On Time is set to a value less than zero or greater than
2,147,483 seconds.
• Alarm Severity is set to a value less than 1 or greater than 1000.
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Analog/Pulsed Control Valve (P_ValveC) Chapter 4
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 preventing operation is flagged.
For the Analog/Pulsed Control Valve Instruction, the Device Not Ready
indicator appears under the following conditions:
• Device has been disabled by Maintenance.
• There is a configuration error.
• Interlock is not OK.
• There has been an I/O Fault and shed requires reset.
Device Logic has been disabled or there is no mode.
Mode Indicators
One of these symbols appears on the right side of the graphic symbol to indicate
the mode of the object instruction.
Graphic SymbolDescription
TransparentOperator mode (if the default mode is Operator and the current mode is Operator, the mode
TransparentProgram mode (if the default mode is Program and the current mode is Program, the mode
indicator is transparent).
Operator mode (if the default mode is Program).
Operator mode locked.
indicator is transparent).
Program mode (if the default mode is Operator).
Program mode locked.
Override mode
Maintenance mode.
Hand mode
No mode.
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Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
TIP
The images provided for the Operator and Program default modes are
transparent; therefore, no mode indicators are visible if the device is in its
default mode. This behavior can be changed by replacing the image files for
these mode indicators with images that are not transparent.
See Rockwell Automation Library of Process Objects: Common Mode Block
(P_Mode) Reference Manual, publication
SYSLIB-RM005, for more
information.
Alarm Indicators
One of these symbols appears on the left side of the label to indicate the described
alarm condition and the alarm border and label background change color. The
alarm border and label background blink if acknowledgement of an alarm
condition is required. Once the alarm is acknowledged, the alarm border and
label background remain the color that corresponds to the severity of the alarm.
SymbolBorder and Label BackgroundDescription
No change in colorAlarm Inhibit: an alarm is suppressed by the Program,
WhiteReturn to normal (no alarm condition), but a previous
disabled by Maintenance, or shelved by the Operator.
alarm has not been acknowledged.
BlueLow severity alarm.
YellowMedium severity alarm.
RedHigh severity alarm.
MagentaUrgent severity alarm.
No symbolNo change in colorNo alarm or alarm inhibit condition, and all alarms
are acknowledged.
See Rockwell Automation Library of Process Objects: Common Alarm Block
(P_Alarm) Reference Manual, publication
SYSLIB-RM002, for more
information.
Maintenance Bypass Indicator
This symbol appears to the right of the label to indicate that a maintenance
bypass has been activated.
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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 Analog/Pulsed Control Valve Instruction, the Maintenance bypass
indicator appears when the bypassable interlocks and permissives have been
bypassed.
Using Display Elements
The global objects for P_ValveC can be found in the global object file
(RA-BAS) Process Graphics Library.ggfx.
Complete the following steps to use a global object.
1. Copy it from the global object file and paste it in the display file.
2. In the display file, right-click the global object file and choose Global
Object Parameter Values.
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Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
The Global Object Parameter Values dialog box appears.
3. Type the tag or value in the Value column as specified in the Description
column.
TIP
You can click the ellipsis (…) to browse and select a tag.
Values for items marked ‘(optional)’ can be left blank.
4. Click OK.
The global object parameters are as follows.
ParameterRequiredDescription
#102YObject tag to point to the name of the associated object Add-On Instruction
#103YPath used for display navigation features to other objects. Include program
#120NAdditional parameter to pass to the display command to open the faceplate.
#121NAdditional parameter to pass to the display command to open the faceplate.
#122YThese are the options for the global object display:
in the controller.
scope if tag is a program scope tag.
Typically used to define position for 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 be used in
subsequent display commands originating from the faceplate.
0 = Always show faceplate
1 = Show Quick Display for users without Maintenance access (Code C)
2 = Always show Quick Display
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Quick Display
The Quick Display screen provides a means for operators to perform simple
interactions with the P_ValveC instruction instance. From the Quick Display,
you can navigate to the faceplate for full access for operation, maintenance, and
configuration.
Click to Navigate to Full
Faceplate
Faceplate
The P_ValveC faceplate consists of five tabs and each tab consists of one or more
pages.
Each faceplate contains the value of local configuration tags Cfg_Tag and
Cfg_Desc in the title bar.
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.
Operator
Maintenance
Engineering
DiagnosticsHelp
Alarms
Exit
The faceplate provides the means for operators, maintenance personnel,
engineers, and others to interact with the P_ValveC Instruction instance,
including viewing its status and values and manipulating it through its commands
and settings. When a given input is restricted via FactoryTalk View security, the
required user security code letter is shown in the tables that follow.
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Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
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 for an analog output shows the following information:
• Current mode (Operator, Program, Override, Maintenance, or Hand)
• Requested Mode indicator (appears only if the Operator or Program mode
has been superseded by another mode)
• Bar graph that displays the current output Controlled Variable (CV) as a
yellow pointer and the target CV as a gray line
• Bar graph range is the minimum and maximum engineering units (scaled)
values
• Target CV (before rate limiting)
• Increasing and decreasing rates of change for the output CV
• Analog output state (At Target, Ramping Up, or Ramping Down)
• Interlock state
• Input Source and Quality indicator (See 'SrcQ' in the Output parameters
table on
page 18 for details).
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Analog/Pulsed Control Valve (P_ValveC) Chapter 4
Mode Indicator
Ramping Status
Bump Valve Closed
and Bump Valve
Open Buttons
Current Controlled
Variable Bargraph
Controlled Variable
(CV) Object
Input Source and
Quality Indicator
Reset and Acknowledge
All Alarms Button
Operator Mode Unlock and
Lock Command Buttons
Controlled Variable Output Value
Interlock Indicator
Input Source and
Quality Icon
Simulation
The following table shows the functions included on the Operator tab.
Table 12 - Operator Tab Description
FunctionActionSecurity
Click to release Operator mode lock.Manual Device
Operation (Code B)
Click to lock in Operator mode.
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Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
Table 12 - Operator Tab Description
FunctionActionSecurity
Click to request Program mode. Manual Device
Operation (Code B)
Click to request Operator mode.
Click to bump valve open (visible only when position
feedback is bad).
Click to bump valve closed (visible when only position
feedback is bad).
Click to reset and acknowledge all alarms.Acknowledge Alarms
Click to open the Interlock faceplate.None
Controlled Variable (CV)
Output Value
Increase Change LimitClick to enter a new value for the CV maximum Rate
Decrease Change LimitClick to enter a new value for the CV maximum Rate
Controlled Variable (CV)
Object
Type a new value for the CV.
This entry is available only in Operator or Maintenance mode
unless Bumpless Program/Operator Transition is not selected
on the configuration screen.
of Change when increasing.
This entry is available only in Operator or Maintenance mode
unless Bumpless Program/Operator Transition is not selected
on the configuration screen.
of Change when decreasing.
This entry is available only in Operator or Maintenance mode
unless Bumpless Program/Operator Transition is not selected
on the configuration screen.
Click this object to navigate to the faceplate specified by the
associated tag name.
Allow Navigation on
be checked and a tag name typed in to enable this object.
Engineering Tab Page 3 on page 49 must
(Code F)
Normal Production
(Code A)
None
If the object is configured to have an interlock object (for example,
Cfg_HasIntlkObj is true), the interlock indication becomes a button that opens
the faceplate of the source object used as an interlock (often this is a P_Intlk
interlock object). If the object is not configured in this way, the interlock is
indicator only.
See the Rockwell Automation Library of Process Objects: Interlocks with First
Out and Bypass (P_Intlk) Reference Manual, publication
36Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 2017
SYSLIB-RM004.
Analog/Pulsed Control Valve (P_ValveC) Chapter 4
One of these symbols appears to indicate the described interlock condition.
Graphic SymbolDescription
One or more conditions not OK
Non-bypassed conditions OK
All conditions OK, bypass active
All conditions OK
Alarm indicators appear on the Operator tab when the corresponding
alarm occurs.
Actuator Fault Alarm
Interlock Trip Alarm
I/O Fault Alarm
Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 201737
Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
The following table shows the alarm status on the Operator tab.
Table 13 - Operator Tab Alarm Status
Graphic SymbolAlarm Status
In alarm (active alarm)
In alarm and acknowledged
Out of alarm but not acknowledged
Alarm suppressed (by Operator; alarm is logged but not displayed)
Alarm disabled (by Maintenance)
Alarm Shelved (by Operator)
38Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 2017
Analog/Pulsed Control Valve (P_ValveC) Chapter 4
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 tab has three pages.
Maintenance Tab Page 1
Page 1 of the Maintenance tab shows the following information:
• Current mode (Operator, Program, Override, Maintenance, or Hand)
• Requested Modes indicator - This display highlights all modes that have
been requested. The leftmost highlighted mode is the active mode.
• Whether the analog output is enabled or disabled
• Interlock Bypassed/Enabled Indicator
Mode Indicator
Requested Modes Indicator
Maintenance Mode
Acquire and Release
Command Buttons
Analog Output Enable and
Disable Command Buttons
Interlock Check Enable and
Bypass Buttons
Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 201739
Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
The following table shows the functions on page 1 of the Maintenance tab.
Table 14 - Maintenance Tab Page 1 Description
FunctionActionSecurityConfiguration Parameters
Click to release valve from
Maintenance mode.
Equipment
Maintenance
(Code C)
None
In Override Mode,
bypass interlocks
that can be
bypassed
Bumpless Program/
Operator Transition
Bumpless
Transition from
Override/Hand to
Program/Operator
Click to place valve in Maintenance
mode.
Click to Enable valve.None
Click to Disable valve.None
Click to enable checking of all
interlocks and permissives.
Click to bypass checking of
bypassable interlocks and
permissives.
Check so that bypassable interlocks
and permissives are bypassed in
Override mode.
Check so that program settings track
operator settings in Operator mode,
and operator settings track program
settings in Program mode for
bumpless transfer.
Check so that program and operator
settings of the CV track the output CV
when the mode is Hand or Override.
Disable
Alarms
(Code H)
Equipment
Maintenance
(Code C)
None
None
None
Cfg_OvrdIntlk
Cfg_SetTrack
Cfg_SetTrackOvrdHand
See the
40Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 2017
Operations section for more information on modes.
Analog/Pulsed Control Valve (P_ValveC) Chapter 4
Maintenance Tab Page 2
Page 2 of the Maintenance tab shows the following information:
• Source of the data that is used to determine the Output CV along with the
configuration and device states that affect the final output value
• Program mode CV Target
• Override mode CV Target
• Hand mode CV Target
• Current Target CV
• Program mode Rate of Change Limits
• Operator mode Rate of Change Limits
• Maximum allowed Rate of Change Limit entry values
• Output CV Current Value that is being used
Operator/Maintenance CV
Entry (in Engineering Units)
Hold Last Good Value
CV Target on I/O
Fault or Interlock
Maximum Increase/Decrease
Rate of Change Configuration
TIP
Maximum/Minimum CV
Configuration
CV Out (Scaled)
A green path indicates normal operation while a yellow path indicates
non-normal operation.
Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 201741
Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
The following table shows a function on page 2 of the Maintenance tab.
Table 15 - Maintenance Tab Page 2 Description
FunctionActionSecurityConfiguration Parameters
Operator/Maintenance
CV Entry (in
engineering units)
Maximum/Minimum
CV Configuration
CV Target When
Interlocked or I/O Fault
When Hold Not
Enabled
Increase/Decrease Rate
of Change Limits
Maximum Rate of
Change Limits
Hold Last Good ValueWhen checked, the CV holds at the
Type the CV in engineering units.
This entry is available in Operator
mode and Maintenance mode. It is
available in other modes if Bumpless
Program/Operator Transition is not
selected on Maintenance Tab Page 1.
Type the clamping limits for the
Controlled Variable in engineering
units.
Clamping limits are enforced in
Operator and Program modes only.
Type the interlock target CV in
engineering units.
This value is used for the CV when
interlocked or on an I/O Fault, but
only if Hold Last Good Value is not
selected.
Type the CV Rate of Change Limit in
engineering units per second. This
value determines the rate at which
the CV output changes upon a
change in CV target. A value of zero
disables rate of change limiting. The
maximum allowed value for this
entry is determined by the Maximum
Rate of Change Limit (below).
This entry is available in Operator
mode and Maintenance mode. It is
available in other modes if Bumpless
Program/Operator Transition is not
selected on Maintenance Tab Page 1.
Type the maximum allowed value for
the Rate of Change Limits in
engineering units per second.
last good value when an Interlock
trips or an I/O Fault occurs.
When cleared, the CV is set to the
configured Interlock CV value when
an Interlock trips or an I/O Fault
occurs.
Normal
Operation of
Devices
(Code A)
Configuration
& Tuning
Maintenance
(Code D)
Normal
Operation of
Devices
(Code A)
Configuration
& Tuning
Maintenance
(Code D)
Engineering
Configuration
(Code E)
None
• Cfg_MinCV
• Cfg_MaxCV
Cfg_IntlkCV
None
• Cfg_MaxCVRoCInc
• Cfg_MaxCVRoCDec
Cfg_ShedHold
42Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 2017
Analog/Pulsed Control Valve (P_ValveC) Chapter 4
Maintenance Tab Page 3
Page 3 of the Maintenance tab lets you define settings for failure checking and
valve position.
The following table shows a function on page 3 of the Maintenance tab.
Table 16 - Maintenance Tab Page 3 Description
FunctionActionSecurityConfiguration Parameters
Use Valve Closed
limit switch for
failure checking
Use Valve Open
limit switch for
failure checking
Position above
which valve is
assumed open if
limit switches
not used
Open and close
pulse output overall
period (seconds)
Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 201743
Check to enable the Valve Closed limit
switch for failure checking.
Check to enable the Valve Open limit
switch for failure checking.
Type a value to indicate the position
assumed open if limit switches are
not used.
Type a value to indicate the time (in
seconds) for an open and close pulse.
Equipment
Maintenance
(Code C)
Configuration
& Tuning
Maintenance
(Code D)
Cfg_UseClosedLS
Cfg_UseOpenLS
Cfg_MaxClosedPos
Cfg_CycleT
Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
Table 16 - Maintenance Tab Page 3 Description
FunctionActionSecurityConfiguration Parameters
Additional time on
first pulse after stop
or direction change
(seconds)
Open and close
pulse output
maximum on time
(seconds)
Open and close
pulse output
minimum on time
(seconds)
Time to bump valve
open or closed
(by Operator) when
feedback is
Bad (seconds)
Type a value to indicate the
additional time (in seconds) on the
first pulse after a stop or direction
change.
Type a value to indicate the
maximum pulse output time (in
seconds) for opening and closing a
value.
Type a value to indicate the minimum
pulse output time (in seconds) for
opening and closing a value.
Type a value to indicate the amount
of time to bump the valve open or
closed when feedback is bad.
Configuration
and Tuning
Maintenance
(Code D)
Cfg_Deadtime
Cfg_MaxOnT
Cfg_MinOnT
Cfg_BumpT
44Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 2017
Analog/Pulsed Control Valve (P_ValveC) Chapter 4
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, and for initial system commissioning or
later system changes.
The Engineering tab has three pages.
Engineering Tab Page 1
Page 1 of the Engineering tab lets you configure the description, label, tag,
and CV units for the device.
Mode Configuration Button
Maximum/Minimum
Raw Feedback
Maximum/Minimum
Scaled Output
Configure Device Description,
Label, and Tag Text
Maximum/Minimum
Scaled CV
CV Engineering
Units Text
Maximum/Minimum
Unscaled Output
Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 201745
Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
The following table lists the functions on page 1 of the Engineering tab.
Table 17 - Engineering Tab Page 1 Description
FunctionActionSecurityConfiguration Parameters
Click to navigate to the Mode
Configuration display.
NoneSee Mode Configuration display
on
page 46
DescriptionType the device description to show on
LabelType the label to show on the Graphic
TagType the tag name to show on the
Maximum/Minimum
Raw Feedback
Maximum/Minimum
Scaled Feedback
Units for Scaled Range Type an engineering unit for the
Maximum/Minimum
Scaled Output
Maximum/Minimum
Unscaled Output
the faceplate title bar.
Symbol.
faceplate title bar and in the tooltip.
IMPORTANT: Pausing the mouse over
these fields displays a tool tip with the
configured Logix tag/path.
Type a maximum and minimum range
for the raw feedback signal.
Type a maximum and minimum range
for the controlled variable in
engineering units (for scaling).
controlled variable.
Type a maximum and minimum range
for the controlled variable in
engineering units for scaling).
Type maximum and minimum range
(in raw units) to use for output
unscaling to I/O.
Mode Configuration Display
Engineering
Configuration
(Code E)
Cfg_Desc
Cfg_Label
Cfg_Tag
Cfg_FdbkRawMax
Cfg_FdbkRawMin
Cfg_CVEUMax
Cfg_CVEUMin
Cfg_EU
Cfg_CVEUMax
Cfg_CVEUMin
Cfg_CVRawMax
Cfg_CVRawMin
This display lets you select the default mode for the object by selecting the
appropriate mode.
IMPORTANT
If no 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.
46Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 2017
Engineering Tab Page 2
Analog/Pulsed Control Valve (P_ValveC) Chapter 4
The following table shows the functions on page 2 of the Engineering tab.
Table 18 - Engineering Tab Page 2 Description
FunctionActionSecurityConfiguration Parameters
Valve has Closed
Limit Switch
Valve has Open
Limit Switch
Fault when both
limit switches are
On
Off
Clear Program
Commands on
Receipt
Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 201747
Check if the valve provides a closed
limit switch signal.
Check if the valve provides an open
limit switch signal.
Click to enable a fault when both
limit switches are On, or when both
switches are Off.
Check to set this parameter to the
following:
• ON to use Edge-triggered Program
Commands (default).
• OFF to use Level-triggered
Program Commands.
Engineering
Configuration
(Code E)
Cfg_HasClosedLS
Cfg_HasOpenLS
Cfg_LSFail
Cfg_PCmdClear
Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
Table 18 - Engineering Tab Page 2 Description
FunctionActionSecurityConfiguration Parameters
Skip Rate of change
Limiting in
Interlock Trip,
Maintenance, and
Override modes
Enable navigation
to interlock object
Rate at which valve
moves when
opening (% open
per second)
Rate at which valve
moves when
closing % open per
second)
Check to have the CV immediately go
to its target value or configured
Interlock CV value when an Interlock
trips or the instruction is placed in
Maintenance or Override mode.
Clear the checkbox to have the CV
always use rate of change limiting
(ramping) of the CV output.
Check if an interlock instruction is
used with this output.
IMPORTANT: The name of the
Interlock object in the controller must
be this object's name with the suffix
‘_Intlk’. For example, if your
P_ValveC object has the name
’ValveC123’, then its Interlock object
must be named ‘ValveC123_Intlk’.
Type a value to indicate the rate the
value moves when opening.
Type a value to indicate the rate the
value moves when closing.
Engineering
Configuration
(Code E)
Cfg_SkipRoCLim
Cfg_HasIntlkObj
Cfg_OpenRate
Cfg_CloseRate
If the object is configured to have an interlock object (for example,
Cfg_HasIntlkObj is true), the interlock indication becomes a button that opens
the faceplate of the source object used as an interlock (often this is a P_Intlk
interlock object). If the object is not configured in this way, the interlock is
indicator only.
See Rockwell Automation Library of Process Objects: Interlock with First Out
and Bypass (P_Intlk) Reference Manual, publication
SYSLIB-RM004 for more
information.
48Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 2017
Engineering Tab Page 3
Analog/Pulsed Control Valve (P_ValveC) Chapter 4
The following table shows the functions on page 3 of the Engineering tab.
Table 19 - Engineering Tab Page 3 Description
FunctionActionSecurityConfiguration Parameters
Shed Action: Hold
Last Good Value
Shed Action: Use set
value
Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 201749
Click to have the output hold its
current value when an Interlock trips
or an I/O Fault occurs (if configured
as shed trigger).
Click to have the output go to its
configured Interlock CV value when
an Interlock trips or an I/O Fault
occurs (if configured as a shed
trigger).
Type a value for the interlock CV
value to be used if shed is configured
to go to a set value.
Engineering
Configuration
(Code E)
Cfg_ShedHold
Cfg_IntlkCV
Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
Table 19 - Engineering Tab Page 3 Description
FunctionActionSecurityConfiguration Parameters
Shed on I/O FaultCheck to have the CV perform the
Shed on Interlock
Trip
Allow Navigation to
CV Object
Object Tag nameType the name of the CV object to
configured Shed Action (hold or go
to the Interlock CV value) when an
I/O Fault occurs. When checked, the
Shed Trigger is latched; that is, it is
necessary to issue a Reset command
to return to normal operation after
the I/O Fault condition clears.
Clear the checkbox to have an
I/O Fault not trigger the configured
Shed Action. The output continues
to operate normally.
The device always performs the
shed action on an Interlock Trip.
This item cannot be unchecked.
It is displayed as a reminder of the
Interlock Trip function.
Check to permit navigation to the
faceplate of the object which is the
source of this object’s CV.
navigate to when the CV display on
the Home tab is clicked.
Engineering
Configuration
(Code E)
Cfg_ShedOnIOFault
None
Cfg_HasCVNav
Cfg_CVNavTag
50Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 2017
Analog/Pulsed Control Valve (P_ValveC) Chapter 4
Diagnostics Tab
The Diagnostic tab provides indications helpful in diagnosing or preventing
device 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 previous figure shows that the valve is not ready because the Device Logic is
disabled or there is no mode.
Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 201751
Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
Alarm Names
Alarms Tab
The Alarms tab displays each configured alarm for the P_ValveC instruction.
The icon on the tab for the alarms page changes color based on the current active
alarms. A blinking alarm icon indicates that one or more alarms must be
acknowledged or the device must be reset.
Alarm Acknowledge
Command Button
Alarm Severity Indicators
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 severity of the highest active alarm, and the icon blinks if any alarm is
unacknowledged or requires reset.
52Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 2017
Analog/Pulsed Control Valve (P_ValveC) Chapter 4
Table 20 - Alarm Severity Colors
ColorDefinition
MagentaUrgent
RedHigh
YellowMedium
BlueLow
White (bell icon)Alarm has cleared but is unacknowledged
Background (Light Gray)No alarm
The following table shows the functions on the Alarms tab.
Table 21 - Alarms Tab Description
FunctionActionSecurity
Alarm NameClick an alarm name to open the associated
P_Alarm faceplate.
Click to acknowledge the alarm.Acknowledge Alarms
None
(Code F)
Click to reset and acknowledge all alarms.
When the Reset and Acknowledge All Alarms button is enabled, the panel
behind the alarm blinks, indicating the alarm requires acknowledgement or reset.
The Alarm Acknowledge button is enabled if the alarm requires
acknowledgment. Click the button with the check mark to acknowledge the
alarm.
See Rockwell Automation Library of Process Objects: Common Alarm Block
(P_Alarm) Reference Manual, publication
SYSLIB-RM002, for
more information.
Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 201753
Chapter 4 Analog/Pulsed Control Valve (P_ValveC)
Analog/Pulsed Control Valve Faceplate Help
The Faceplate Help is divided into two pages.
Faceplate Help Page 1
Faceplate Help Page 2
54Rockwell Automation Publication SYSLIB-RM034E-EN-P - February 2017
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