PID Control Module.pdf

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Topic: PID Control Module

Contents

Configure a PID Control Module ............................................................................................................ 3



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PID Control Module

Configure a PID Control Module

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Practice

Objective

Configure a Control Module

Use the naming conventions for the Control Module and function blocks within thecontrol module

Configure a Control Module with a single PID loop

Prerequisites

Experion PKS Server or Client machine loaded with Experion PKS EngineeringTools

Debutanizer_123 graphic loaded on the Server (This will be required at a later timeto check the control philosophy.)

Control Builder running with two tree windows open

SCE Controller and IOMs configured

Excel Data Exchange open and loaded with the simulation spread sheet



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Introduction

The Heavy Feed Flow FC01 is built in this lab. This PID loop requires bumpless Auto – Manual transfer with alarms, groups, and historization enabled.

The PID loop will be built, loaded and activated. The remaining Control Modules, of asimilar type, are imported into the project.

To create a control strategy, a Control Module 11_FC01 must be built and function blocksinserted and connected. Once the Control Modules are built or imported, you can test them

with the simulation.In this lab, you will build a control module for a simple PID loop 11_FC01 for the heavyfeed to the debutanizer tower T-100.



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Create a Control Module (CM)

Step Action

1 Open Control Builder through Configuration Studio.

Open a Project Tree Window to the left, a Monitor Tree Window to the right anda Library Tree window below the Project Tree Window

ProjectTree

window

LibraryTree

window

MonitoringTree

window



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Step Action

2 Select File > New > Control Module.

3 Double-click the blank chart background.



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Step Action

4 On the Main properties tab enter the following:

Name: 11_FC01

Item Name: 11_FC01_item

Parent Asset: Analyser_C11

Description: Heavy Feed To Debutanizer (Maximum 120 characters)

Click the OK Button

Save and close 11_FC01

ATTENTION

Control Builder numbers all new CMs sequentially.You can use any 16-character unique name for theCM in Project.



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Step Action

5 For this Lab, use the specified CM names, because this allows you to test the CMs withthe pre-configured Excel spreadsheet, used for simulation.

CM 11_FC01 is added to the Unassigned node in Project window

ATTENTION

Your Project window may differ. Verify that 11_FC01 isin the Unassigned node.



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Step Action

6 Configure the Parameters for 11_FC01.

If the Main property page is not still open, right click 11_FC01

Select Module Properties



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Step Action

7 Enter the following parameter details in the Main tab.

Engr Units: m3/hr (Maximum 16 characters allowed)

Accept the defaults for any remaining parameters on the Main tab

ATTENTION

The name of every CM must be unique server wide.

8 Click the Server Displays tab.

Enter the following Display details:

Point Detail Display: sysDtlPIDA

Click the OK button.

ATTENTION

The Group detail display for 11_FC01 in Station will bedirectly picked from the type of Point detail display

specified.

You can directly add a CM, to a Trend and Group byentering trend/group numbers and the pen/position inTrends and Groups windows, here or after building thecontrol strategy in the CM.



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Step Action

9 Assign the CM to the controller CEESCEFB61.

With the CM 11_FC01 selected, click the (Assign) button on the toolbar,to open the Execution Environment Assignment

Select 11_FC01 in the CMs/SCMs tab in Available Modules list box

Select CEESCEFB61 in the Assign To list box

Click the Assign button

11_FC01 is added to Assigned Modules list box

Click the Close button

11_FC01 is now assigned to CEESCEFB61, as indicated below



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Add Function Blocks to a CM

After creating a CM, you must design the control strategy by adding relevant Input/Outputblocks and control blocks such as PIDs, device control or logic blocks.

The IOMs configured in the Configure C200 Hardware lab are used here.

Step Action

1 Double-click 11_FC01 in the Project window to open the chart view, and then maximizethe view.

2 Add Function Blocks to the CM

From the Library tab, expand the IOCHANNEL group of function blocks

Select AICHANNEL



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Step Action

3 Drag AICHANNEL into the 11_FC01 Project chart view.

4 Drag the following Function Blocks from their respective block Libraries and add to theCM.

Block Family Block

DATAACQ DATAACQ

REGCTL PID

IOCHANNEL AOCHANNEL

ATTENTION

Add the blocks in the order specified above. For moreinformation on adding function blocks to a CM, refer tothe Knowledge Builder along the path

Experion R300.0 > Configuration > ControlBuilding Guide > Control Builder Operations >Creating a Control Module > Creating an Instanceof a Basic Function Block



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Step Action

5 After adding all the blocks, arrange them as shown below.

6 Configure AIChannel parameters:

Double-click the AICHANNEL block to open the AI parameter configuration form.

Enter the Channel Name as FI.



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Step Action

7 Assign the AI Channel to an AI Module.

Enter following data:

Choose Module Name: AI_3_4_4

Module Type: Automatic when the Module name is selected

Channel Number : 2

Click the Assign Channel Block button

11_FC01.FI is assigned as a Channel Name

Click OK to close the AICHANNEL Parameter Configuration form



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Step Action

8 Configure a Data Acquisition Block. Double-click the Data Acquisition Block, to openthe configuration form, and enter the following:

Name: DACA

Description: Heavy Feed to Debutanizer

Engr Units: m3/hr

PVEU Range Hi: 600

PVEU Range Lo: 0

PV Limits Hi: 600.9

PV Limits Lo: -6.9

Clamping Option: ENABLE

Accept the defaults for any remaining parameters.

ATTENTION

You must name this Block DACA so that theHoneywell supplied Analog Point Details displayfunctions properly when called from Station



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Step Action

9 Select the Show Parameter Names checkbox located at the lower left corner. Note thatthe parameter names now appear in place of the parameter descriptions. Uncheck thebox to return to the parameter descriptions.

ATTENTION

This displays the parameter names instead ofparameter descriptions.

Uncheck the Show Parameter Names checkbox.



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Step Action

10 To Configure Alarms, select the Alarms tab.

Enter the following:

PV High: 500 Priority: HIGH

PV Low: 0 Priority: Low

Accept the defaults for all remaining parameters.

11 Click OK.



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Step Action

12 To Configure a PID Block:

Double click PIDA.

Enter the following:

Name: PIDA

Description: Heavy Feed to Debutanizer

Engineering Units: m3/hr

PVEU Range Hi: 600

PVEU Range Low: 0

Select the Enable Secondary Initialization Option checkbox.

Normal Mode: AUTO

Normal Mode Attribute: OPERATOR

Accept the defaults for all remaining parameters.

ATTENTION

This block must be named PIDA for the Honeywellsupplied standard PID Point Detail Display to functionproperly.



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Step Action

13 Click the Algorithm tab in the PID configuration form and enter the following

Control Equation type: EQB

Integral Time (T1): 0.2

Linear Gain Options: LIN

Overall Gain: 0.40

ATTENTION

The Algorithm form allows you to configure PID controlequation types, associated PID equation parametersand gain options for the PID block.

14 Click the SetPoint Tab and enter the following:

High Limit: 600

Low Limit: 0

Enable PV Tracking check



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Step Action

15 Click the Alarms tab of PID and enter the following:

OP High Trip Point: 95



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Step Action

16 To add or remove Block Pins in a Functional Block :

Click on the Block Pins tab.

Click on the “TOP” value on the PV parameter Location column.Select LEFT from the drop down combo box.



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Step Action

17 As a result of the previous remove/add pins, the PV pin shifted to the left side of the PIDblock faceplate, as indicated below.

Click OK.



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Step Action

18 Configure the AO Block.

Double-click the AOChannelA Block and enter the following:

Channel Name: FV

Module Name: AO_4_4_4

Channel number: 1

Click the Assign Channel Block Button.

The AO is assigned to Channel Number 1 of IOM AO_4_4_4

19 Click OK.



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Connect Function Blocks

After adding the Function Blocks, wire them together to form a Control Strategy. You can wire Blockstogether anytime you choose, before or after configuring block parameters.

Step Action1

From the Main Menu, Select Chart > Insert > Wire, OR Click the button in thetoolbar.

The cursor changes to a PLUS (+) sign inside the Project chart window

Click the PV pin displayed in the AICHANNEL (FI) block

Click the P1 pin in the DATAACQ (DACA) block

These function blocks are now connected

2 Repeat the above steps to connect PV pin of DATAACQ (DACA) to the PV of PIDA.



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Step Action

3 Connect the PIDA OP pin to the OP pin of AO.

Your CM should be similar to the one shown below.

4 Select File > Save.



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Step Action

5 Configure History Collection, Trends and Groups.

Double-click on blank space in 11_FC01 project chart to open the configuration form.Select the Server History tab. Click row 1 under the Parameter column in the History

Configuration table.

Click the (Point Selection) button to open the Point Selection form.

Select the row pertaining to Point 11_FC01 and Block Names PIDA, as indicated above.

Select OP for the Parameter.

Click OK to close the Point selection form.



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Step Action

6 11_FC01.PIDA.OP appears in the History Configuration table.

Select the FAST and STD checkboxes

11_FC01.PIDA.OP will now be historized

7 Repeat the above steps to configure History Collection for 11_FC01.PIDA.PV in row 2 ofthe Parameter column.



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Step Action

8 Add Point Parameters to Trends.

Click the Server Displays tab in the configuration form.

In the first row under Trend # enter 1 as the Trend number.

Click the first row under the Pen column and from the drop-down menu select 1-Cyan.

Enter 11_FC01.PIDA.PV as the Trend Parameter.

You can also select the parameter with the help of Point selection list, as shown instep 5.

In the Groups section add 11_FC01.PIDA.PV to Group 11, Position 1.

Click OK.

9 Click File > Save.



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Step Action

10 Close the 11_FC01 Project chart window.

This CM is located under CEESCEFB61, which means it is assigned to thatexecution environment

The symbol “ “indicates that the CM has not yet been downloaded to thecontroller

The color gray of the connection icon indicates the CM is in Project mode.

11 Download this CM.

Select 11_FC01

Click the on the toolbar

Click Continue on the Load window showing the warning

Select the Automatically change… checkbox

The post load state is selected as ACTIVE by default



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Step Action

12 Click OK.

A Load dialog box appears and closes on a successful download

In Project, notice that there is no “ “ symbol in front of 11_FC01

13 Click the Monitoring tab to verify that 11_FC01 is active (green).

If the CM is active (green) skip the next step

If the CM is inactive (blue) continue to the next step



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Step Action

14 Activate the CM (right-click 11_FC01 and select “Activate”) or select 11_FC01 and click

the (Toggle State) button from the toolbar, to open the following.

Click Yes.

Notice that the 11_FC01 changes to green indicating it is now active

Monitoring tree status information is indicated by different symbols and colors,as shown below:

CPM/SCE Symbols

1 Grey - As seen in project tree.

1 Grey – Project tree

2 Grey - Loaded not monitored

3 Red - Communication failure

4 Yellow - Not used

5 Green - Active

6 Red - Failed

7 Yellow - Not Loaded

8 Blue - Loaded

1 2 3 4 5 6 7 8



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Step Action

CEE/ CEESCE Symbols

1 2 3 4 5 6

1 Grey - As seen in project tree



4 Blue - Inactive

5 Green - Active

6 Red - Configuration Error

CM Symbols

1 2 3 4 5

1 Grey - As seen in project tree



4 Blue - Inactive

5 Green - Active

15 Open Station, access and refresh the Debutanizer_123 graphic.

Change the 11_FC01 controller to AUTO mode and enter 400 for the setpoint (SP).

ATTENTION

Open the Tie_Back_New Excel spreadsheet toobserve the values for PV and SP.

If the PV value for the point is not updating then restartthe Tie_Back_New Excel spreadsheet. Thisspreadsheet is used for simulation purposes.



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Step Action

16 To watch the trend on station:

Click the button on station.

Enter 1 in command line. Change the trend interval, if necessary.

Zoom the line trend to get a closer display.



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Step Action

17 To see the CM in the Group display:

Click button on Station.

Type 11 and <Enter>.



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Step Action

From the Group Display, change the MD to MAN.

Change the OP to 30.

The PV will start dropping along with the SP since the PV tracking option isenabled

This tests your CM 11_FC01



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Step Action

18 In Control Builder, import (with CEE assignment) 11_FC02, 11_FC28 and 11_PC15 fromthe following location:

C:\Program Files\ Honeywell\ Experion PKS\Engineering Tools\Ixport\Student_DB

ATTENTION

If needed, follow the steps in the Import/Export Lab forimporting the above CMs.

19 From Project, download (with activation) the CMs imported in the previous step.

20 Verify that the three CMs are active (green) in the Monitoring tab.

21 Open Station and access the Debutanizer_123 graphic.

ATTENTION

Verify that the imported CMs have values. (Ifnecessary, place the imported loops in AUTO mode

and provide suitable SP values to see a PV response.)



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PID Control Module.pdf