Technical F fieldbus I Device Replacement Guide · Toc-1 I -1 Foundation fieldbus Device Replacement Guide Dec. 27, 2016-00 CONTENTS TI 30A20T40-01EN 1st Edition 1. Precautions for

TechnicalInformation

Foundation fieldbus Device Replacement Guide

TI 30A20T40-01EN

TI 30A20T40-01EN©Copyright Dec. 2016 (YK)1st Edition Dec. 2016 (YK)

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IntroductionWith an FF-H1 fieldbus system, multiple Foundation fieldbus devices (hereinafter referred to as fieldbus devices) are connected on a single FF-H1 bus and then the communication schedule of the entire segment is shared among all devices. Therefore, engineering changes made to one fieldbus device or to one function block in a device may also influence the other fieldbus devices on the same segment or the process input/output operations related to the function blocks in them.

This document explains the range of influence and precautions by Foundation fieldbus engineering work task of the CENTUM system centering on the work to replace fieldbus devices as well as the work procedure for replacing devices. The systems that this document applies to are CENTUM VP R4 and later. (In this document, Foundation fieldbus is referred to as FF.)

This document does not contain information related to troubleshooting.

Relevant ManualIM 33J20T10-01EN Foundation fieldbus ReferenceIM 33J20T20-01EN Foundation fieldbus Engineering GuideIM 01R01A01-01E FieldMate Versatile Device Management Wizard R3.02TI 38K02A01-01E Foundation Fieldbus Book - A Tutorial

Target Readership (Intended Users of This Document)Engineers who have experience with fieldbus device engineering for CENTUM VP and who perform the following work.

• Do not change FF applications but perform fieldbus device replacement work to change models because of fieldbus device failures and other problems.

• Perform fieldbus engineering in CENTUM Fieldbus Builder or Control Drawing Builder to change FF applications.

Representation of DrawingsDrawings in this TI may be emphasized, simplified, or omitted some features for convenience of explanations.

All Rights Reserved. Copyright © 2016, Yokogawa Electric Corporation Dec. 27, 2016-00

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Symbol Marks of this Technical InformationThis book has the following symbols.

IMPORTANT Identifies important information required to understand the operations or functions.

TIP Identifies additional information.

SEE ALSO

Identifies a source to be referred to.

Trademarks• CENTUM is registered trademark of Yokogawa Electric Corporation.

• Foundation fieldbus is a registered trademark or trademark of FieldComm Group.

• All other company and product names mentioned in the text body are trademarks or registered trademarks of their respective companies.

• Other product and company names may be registered trademarks of their respective companies (the TM or ® mark is not displayed).

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Foundation fieldbus Device Replacement Guide

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CONTENTS

TI 30A20T40-01EN 1st Edition

1. Precautions for Fieldbus Device Replacement .................................... 1-11.1 Overview of Influence Due to Fieldbus Device Replacement Work ............ 1-21.2 General Precautions for Device Replacement Work .................................... 1-31.3 Precautions for Device Replacement Using the Equalization

Function on Device Panel ................................................................................1-5

2. Device Replacement Guide for Fieldbus Devices ................................ 2-12.1 Procedure for Replacement with FF Device of Different Model or

Different Revision of Same Model (Another Model)...................................... 2-32.1.1 Checking Whether or Not NM Parameter Changes in Advance .......2-4

2.1.2 Changing NM Parameters .................................................................2-7

2.1.3 Preparing Device to Be Installed as Replacement ..........................2-10

2.1.4 Main Work of FF Device Replacement ............................................ 2-11

2.2 Replacement with the Same Model (Device for Which All of the Device Vendor, Device Type, and Device Revision are the Same) .........................2-24

Glossary ...................................................................................................................1

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1. Precautions for Fieldbus Device Replacement 1-1

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1. Precautions for Fieldbus Device Replacement

This chapter explains the range of influence on other devices and the precautions for fieldbus device replacement.When a fieldbus device is replaced because of a device failure or other problem, the precautions and procedure differ depending on the conditions of the fieldbus device to be installed as the replacement. There are the following two conditions for a field device to be installed as a replacement.

• Replacement of a device with one that is a different model or different revision (replacing a device with another model)

• Replacement of a device with one that all of the device vendor (MANUFACTURER), device type (DEV_TYPE), and device revision (DEV_REV) are the same (replacing a device with the same model)

IMPORTANTWhen the work to replace a device with another model is performed, an unintended operation (input device enters IOP state, degree of opening of a valve abruptly changes, etc.) may occur even with devices other than the replacement target in the corresponding segment. Implement safety measures as necessary for devices other than the replacement target as well (e.g. stop valves other than the replacement device in a safe direction).The work to replace a device with the same model can be performed without having any influence on devices other than the replacement target (other devices).

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1.1 Overview of Influence Due to Fieldbus Device Replacement Work

The following table shows the fieldbus device replacement work tasks, conditions target for change, and corresponding influence.

Replacement device work

Influence on replacement device Influence on other devices in same segmentStatus of FF

faceplate blocksFunction blocks to be connected

FF faceplate blocks

Function blocks to be connected Other

When replacing a device with

another modelCNF (*1) IOP/OOP (*2)

Possibility of CNF occurring

(*3)

Possibility of IOP/OOP

occurring (*3)

In the case of an output device,

there is the possibility of the failsafe operation being executed

(*4)When replacing a device with the

same modelCNF IOP/OOP No influence No influence ―

*1: CNF is a bad connection status alarm that occurs, for example, when the connection destination data is abnormal. For details on CNF, refer to “5.10 Bad Connection Status Alarm Check” in Function Block Common Functions Reference (IM 33J15A20-01EN).

*2: IOP is an input open high alarm and OOP is an output open alarm. For details on IOP, refer to “5.2 Input Error Alarm Check” in Function Block Common Functions Reference (IM 33J15A20-01EN). For details on OOP, refer to “5.7 Output Open Alarm Check” in Function Block Common Functions Reference (IM 33J15A20-01EN).

*3: CNF and IOP/OOP occur when NM parameters are changed and the segment is reset. In this case, a warning message appears in the builder in advance. NM parameters are some of the parameters of the communication system and are defined on a segment basis. (For the meaning of a segment, refer to the glossary in the appendix. For details on NM parameters, refer to “D2.4.6 Tuning Communication Parameter Values” in Foundation fieldbus Reference (IM 33J20T10-01EN).

*4: When there is an output device in the same segment and equalization is executed on Device Panel, online loading of the function blocks may be performed, which may result in an output device with another valve positioner or other AO block on the same segment performing the fallback operation so output may change abruptly. To perform device conversion engineering work for a segment containing output devices, make sure you understand the device configuration in the segment correctly and then take preventive measures in advance by providing protection such as fixing the degree of opening of valves or safely stopping control.

TIPA segment reset is an operation based on the FF specifications for setting the parameters on the devices when the NM parameters are changed, and occurs when a model is changed or a device is added and the NM parameters are changed from the existing values for a reason such as the communication response time of the fieldbus device after the change or the newly added fieldbus device being slow. (It occurs because parameters are set on a fieldbus device only when the device starts up.) An IOP/OOP occurs in the CENTUM system because all devices in the segment become unable to communicate.

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1.2 General Precautions for Device Replacement Work

Precautions for the Address of a Device to Be Installed as a Replacement

Clear the address of a device to be installed as the replacement. Then, connect the device to the segment without setting the address (assigning an address). For the work to clear the address of the device, use FieldMate or another fieldbus device adjustment tool.

Precautions for DownloadingIf you perform a download operation after any of the following engineering tasks, the FB schedules of the devices that are being engineered and the other devices that are connected to the same segment as the devices being engineered are changed, and as a result of this, the block mode of one of the devices may become O/S temporarily.

• Adding a new fieldbus device or deleting a fieldbus device using Fieldbus Builder

• Replacing a device

• Adding or deleting an FF faceplate block using Function Block Builder

• Changing a loop configuration using Function Block Builder

The following figure shows an example for a case where four devices are connected to the same segment and their FF faceplate blocks are defined in different control drawing sheets. If a download operation is performed after the FF faceplate block of a certain device is deleted, the block mode of one of the devices that are connected to the same segment as the deleted device becomes O/S temporarily.

Device 1

Device 2

Device 3

Device 5 Device 4

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TAG002FF-PID

TAG001FF-AI

TAG003FF-AO

TAG005FF-AI

TAG004FF-AI

DR0002

DR0001

OUT

OUTIN

SET

When devices 1, 2, 3, and 4 are connected to the same segment, deleting the FF faceplate block for device 1 and then performing a download operation will cause the FB schedule to be changed, and the block mode of one of the devices becomes O/S temporarily.

Because device 5 is connected to a segment that is not the segment of device 1, device 5 is not affected even if its FF faceplate block is defined in the same control drawing sheet.

Figure Example of Control Drawing Builder Definitions

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IMPORTANTYou cannot know the block mode of which device is set to O/S temporarily until you perform a download operation. If there is a concern about adverse effects on the process by the block mode being O/S temporarily, take a measure such as safely stopping the process that is controlled by the device in advance.

Precautions for Changing Fieldbus Definitions during Plant Operation and Downloading as a Result (Online Maintenance)

The following precautions should be observed during online maintenance.• The communication of the target segment of the ALF111 may be reset if the NM parameters

are changed when adding, deleting, or replacing a device. (A confirmation dialog box appears in the builder before the download.) Consequently, the other devices in the same segment may enter the IOP/OOP state, which may have an influence on plant operation.

• If the following specific parameter values in an FF faceplate block are changed and downloaded from Function Block Detail Builder, the block mode of the blocks in the device is changed to O/S. After downloading, the block mode is restored from O/S, but the values at this point are set to the values specified in the Parameter Edit dialog box, not the values used immediately before in the device. For this reason, be sure to upload the parameters before performing such online loading that will change the following parameters.

The parameters that cannot be changed unless the block mode of the fieldbus blocks in a device is changed to O/S are the parameters in the table below and the extended parameters. The block mode is set to O/S when these parameters are changed in the Parameter Edit dialog box of Fieldbus Builder, or these parameters of a resource block are changed. The block mode is always set to O/S when the parameter values of a transducer block are changed.

ParametersCHANNEL

CONTROL_OPTSIO_OPTS

OUT_SCALEPV_SCALE

STATUS_OPTSXD_SCALEFF_SCALE

L_TYPESEL_TYPE

TRK_SCALE

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1.3 Precautions for Device Replacement Using the Equalization Function on Device Panel

Precautions for Address SettingIf the address of a device to be installed as a replacement is the same as the address of an existing device other than the device to be replaced, the address will duplicate that of the existing device when the device is connected to the segment so communication may become impossible depending on the timing that the device starts up. Therefore, connect the device to be installed as the replacement to the segment from the default address state in which the address has been cleared.

SEE ALSO For details on the default address, refer to:

“2.3.2 Address” in Foundation fieldbus Reference (TI 38K02A01-01E)

Precautions Related to NM ParametersIf the NM parameters do not match, the device will not be displayed on Device Panel and the replacement work cannot be started even if the device is connected. You need to check that the NM parameters of the device to be installed as the replacement match before starting the replacement work to change models. After registering the CF/DD files of the device to be installed as the replacement to the CENTUM engineering PC, determined whether or not the NM parameters need to be changed by temporarily registering the replacement device using Fieldbus Builder. At this point, perform the device registration work but cancel all of the changes made in Fieldbus Builder including the download operation without actually performing loading.

If you determine that the NM parameters need to be changed, provide protection such as safely stopping control-related devices that will be affected in preparation for a segment reset. Then, use Fieldbus Builder to temporarily register the device to be installed as the replacement and execute downloading. At this time, a segment reset will occur. (A confirmation dialog box appears in the builder before downloading.)Delete the device that was manually registered temporarily at this point. The NM parameters that were changed with the temporarily registered device are retained and are used even if that device is deleted.

Precautions for When There is an Output Device in the Segment in Which a Device is to Be Replaced

During device replacement using Device Panel for the device replacement work, the fallback operation of the AO/DO blocks of an output device other than the device to be replaced in the target segment may cause actual output to change abruptly. (This is because the regeneration of control drawings is executed as part of the equalization process, causing the generation of differences also for the schedules of the other devices in the same segment so loading to the devices is performed.) Therefore, if there is an output device in the same segment, take a preventive measure in advance to provide protection such as fixing the degree of opening of valves or safely stopping control before performing equalization.

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Precautions Related to the Address when Equalization using Device Panel

The equalization function of Device Panel cannot be used with the default address as is. Assign an address and then execute equalization.

Precautions Related to Communication Errors during Equalization Processing

A communication error may occur during the equalization process. If that happens, press the [Update Communication Information] button to resume the equalization process.

Precautions for after Equalization CompletesThere are parameters that are not downloaded with the equalization function of Device Panel so download the master data to the target device from Fieldbus Builder after equalization from Device Panel completes.

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2. Device Replacement Guide for Fieldbus Devices 2-1

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2. Device Replacement Guide for Fieldbus Devices

This chapter explains the work procedure for device replacement. The work will mainly be performed using the equalization function of Fieldbus Builder and Device Panel. For details on the startup method and operating procedure of Device Panel, refer to “D5. Device Panel” in Foundation Fieldbus Reference (IM 33J20T10-01EN). The procedure differs depending on the following conditions.

• Replacement of a device with one that is a different model or different revision (replacing a device with another model). The replacement procedure takes into account model differences and work other than downloading the master data from Fieldbus Builder is required.

• Replacement of a device with one that all of the device vendor (MANUFACTURER), device type (DEV_TYPE), and device revision (DEV_REV) are the same (replacing a device with the same model) Execute downloading of the master data to the device for after replacement in Fieldbus Builder.

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Need to replace FF device occurs

Check device to be installed as replacement

Same model (*1)

Replace with another model(Section 2.1)

Replace with same model (Section 2.2)

No

Yes

*1: No need to provide protection for output devices.

Figure Replacement Procedure Classification

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The following table show whether or not each work item is required depending on the conditions of the FF device (another model, same model, and whether or not NM parameters changes) in the device replacement work.

Item Worker Tool to use

Conditions of FF device to be replaced

Replace with another model

Replace with

same model

NM changes

No NM changes

2.1.1 Checking Whether or Not NM Parameter Changes in Advance

System side Fieldbus Builder Y Y —

2.1.2 Changing NM Parameters System side Fieldbus Builder Y — —2.1.3 Preparing Device to Be Installed as Replacement Field side FieldMate, etc. Y Y Y

2.1.4 (1) Physically connect the FF device to the segment Field side Manual work Y Y Y

2.1.4 (2) Set the device address System side Device Panel Y Y Y2.1.4 (3) Equalize the device information System side Device Panel Y Y Y (*1)

2.1.4 (4) Equalize the block parameters System side Device Panel Y Y —

2.1.4 (5) Download the master data to the device System side Fieldbus Builder Y Y Y

2.1.4 (6) Check the process input/output data (conditions) System side HIS screen Y Y Y

Y: Work required —: Work not required

*1: No need to provide protection for output devices.

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2.1 Procedure for Replacement with FF Device of Different Model or Different Revision of Same Model (Another Model)

When a device is replaced with another model, the NM parameters which are the communication conditions of FF-H1 are occasionally not suitable for the device for after replacement, so the replacement work may not be possible as the device for after replacement cannot join the bus.To change the NM parameters, a segment reset from the communication specifications of FF-H1 occurs and control is unable to continue. Therefore, check whether or not there are NM parameter changes in advance, and if changes are required, devise a plan to provide protection such as safely stopping control or taking another measure.

Furthermore, even if a segment reset is not performed, when there is an output device other than the device to be replaced in the same segment, the actual output of the output device may abruptly change due to the fallback operation, so devise a plan to provide protection such as fixing the degree of opening of the valve in the main work of FF device replacement.The following shows the workflow for replacing a device with another model.

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2.1.1 Checking Whether or Not NM

Parameter Changes in Advance

NM parameter changes required

2.1.3Preparing Device to Be Installed as Replacement in Bench Host

2.1.4 Main Work of FF Device

Replacement

2.1.2Changing NM Parameters of

Target Segment

Completion of FF device replacement

Yes

No

Provide protection for segment reset

The No path can be selected in most cases

Provide protection for segment reset

Figure Workflow for Replacing Device with Another Model

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2.1.1 Checking Whether or Not NM Parameter Changes in Advance

The following shows the flow for checking whether or not there are NM parameter changes in advance before starting the actual device replacement work.Use Fieldbus Builder for the advance check, but do not reflect the parameters to the engineering database or load the parameters to the device at the time of this check.

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Start of device replacement advance check

(NM parameters advance check)

[Fieldbus Builder] Manually register the device for after replacement temporarily

with FB Builder and select [File] – [Download]

The NM parameter changes warning dialog

box appears

[Fieldbus Builder]Select [Cancel] in the confirmation

dialog box

Devise a plan to provide protection for segment reset occurrence

[Fieldbus Builder]Select [Cancel] in the download

confirmation dialog box

If there are output devices in same segment, devise a

plan to provide protection for them

End of device replacement advance check

YesA segment reset will occur when download to devices

No

Select [No] in the download confirmation screen to end FF Builder

without loading the parameters

[Engineering PC] Obtain CF/DD of device for after

replacement and place them in the designated folder on the

engineering PC

Figure Flow of Advance Check of Whether or Not NM Parameter Changes

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Perform the check in accordance with “Flow of Advance Check of Whether or Not NM Parameter Changes” above.Obtain the CF/DD of the device to be installed as the replacement and copy (store) them in the designated location on the CENTUM engineering PC using Copy Tool for Fieldbus Associated Files.

SEE ALSO For details on Copy Tool for Fieldbus Associated Files, refer to:

“D4.1 Copy Tool for Fieldbus Associated Files” in Foundation fieldbus Reference (IM 33J20T10-01EN)

Select and register the CF of the device for after replacement from [Manual registration] in the [Device Registration] menu of Fieldbus Builder and then select [Download] from the [File] menu.

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If NM parameter changes are required, the following warning dialog box appears.Check the message and then select [Cancel] so as not to perform the actual download process.

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On the other hand, if the NM parameters do not need changing, the above warning dialog box does not appear and the following parameter selection dialog box appears.Select [Cancel] in this dialog box to end the download operation.

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Regardless of whether or not there are NM parameters changes, select [Exit Fieldbus Builder] from the [File] menu to exit Fieldbus Builder. The following confirmation dialog box appears for instructing exiting in the state in which downloading has not been performed. However, to not reflect the temporary registration data in the FB Builder database, select [No] to force exit Fieldbus Builder.(If [Cancel] is selected, FF Builder does not exit.)

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2.1.2 Changing NM ParametersThis section is applicable only when NM parameter changes were determined to be necessary in the previous section. If the NM parameters do not need to be changed, proceed to “2.1.3 Preparing Device to Be Installed as Replacement.”

This section explains changing the NM parameters of the target segment to the values corresponding to the replacement target device.

IMPORTANTThis work causes the corresponding FF-H1 segment to be reset and an IOP/OOP to occur for all devices in the target segment. Check that protection such as safely stopping control has been provided before carrying out this work.

The following provides an overview of the NM parameter change procedure.

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Change NM parameters

[Engineering Builder] Temporarily register the FF device forafter replacement to the segment and

execute the download

Segment reset occurs(IOP/OOP->Automatic recovery)

[Fieldbus Builder] Delete the temporarily registered

FF device for after replacement and execute the download

Completion of changing NM parameters

Figure Overview of Changing NM Parameters

Select the CF/DD of the device for after replacement that were copied in the advance check from Fieldbus Builder, manually register the FF device for after replacement temporarily, and execute [Download] from the [File] menu.

SEE ALSO For details on manual registration of a fieldbus device, refer to:

“D2.3.3 Configuring a New Fieldbus System” in Foundation fieldbus Reference (IM 33J20T10-01EN)

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At this time, use a device tag name and node address that are not already in use in the [Device tag name] and [Node address] fields that require input.When you execute [Download], the following warning dialog box appears.

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Select [OK] to proceed to the next step.

The download confirmation dialog box appears. Clear all of the check boxes and then click [OK] to proceed to the load process.

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All of the devices in the segment restart so IOP/OOP occurs and then the devices recover automatically after several seconds.

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After downloading ends, delete the temporarily registered devices and execute [Download] from the [File] menu. (The changed NM parameters are not restored to the original values.)At this time, select [Segment Common] from the [Enviroment Settings] menu and then check that the [Make NM Parameter the optimum value.] check box is not selected. (This is because the original NM parameters will be restored when the temporarily registered device is deleted if the check box is selected.)

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2.1.3 Preparing Device to Be Installed as ReplacementClear the address once for the FF device to be installed as the replacement and then set the same device tag as the device from before replacement. For the work, use FieldMate or another fieldbus device adjustment tool.This section just provides an overview because the setting adjustment procedure differs depending on the tool used and FF device.

Start of preparing the device to be installed as the replacement

Connect the FF device to be installed as the replacement to the segment with

a one-to-one connection on the workbench

Connect FieldMate or another FF device setting adjustment tool to the device and start it

If there are settings and adjustments unique to the FF device, make them using the tool

Completion of preparing the device to be installed as the replacement

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Set the device tag of the FF device to be installed as the replacement

Clear the device address of the FF device to be installed as the replacement

Remove the device from the segment with the one-to-one connection

Figure Overview of Preparing Device

SEE ALSO For details on how to set the tag of the device using FieldMate, refer to:

“H-3-1 Tag/Address Assignment” in FieldMate Versatile Device Management Wizard (IM 01R01A01-01E)

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2.1.4 Main Work of FF Device ReplacementThis section explains the main work procedure to replace a device with another model.

F020113.ai

Start of FF device replacement

(1) Connect the FF device to be installed as the replacement to the segment (physical connection)

[Device Panel]

[FB Builder]

[HIS screen]


(5) Download the master data to the FF device for after replacement

(6) Check that process input/output is restored to normal

(2) Set the FF device address(3) Equalize the FF device information(4) Equalize the Block parameters

Check that the provision of protection for the other output devices on thesame segment is complete

Figure Main Workflow for Replacing Device when Changing Models

(1) Physically connect the FF device to the segment

(2) Set the device address

(3) Equalize the device information

(4) Equalize the block parameters

(5) Download the master data to the device

(6) Check the process input/output data (conditions)

(1) Physically connect the FF device to the segmentRemove the device to be replaced in the field (on-site) from the segment and then connect the device for after replacement that has been prepared to the segment.

(2) Set the device addressStart Device Panel for the target segment.In Device Panel, the device is recognized automatically and then displayed in the device status display area.

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When the hourglass shown below appears, do not operate Device Panel until the process completes.

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When the device for after replacement is connected to the segment after clearing the device address, the address of the device for after replacement is set to the default address (0xF8, 0x0F9, 0xFA, or 0xFB). Set the correct address (address of the device from before replacement) with the following procedure.

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Right-click the new device in the right panel of Device Panel and select [Assign Tag]. The following screen appears.

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Clear the [Assign Automatically] check box, check that the device tag name is correct, and enter the correct address for the device address.

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Click [OK] in the screen above. A confirmation screen appears.

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Click [OK] in the screen above. The device tag name and address are assigned. (The process will take a while.) When the following message appears in the message screen area below, setting of the device tag and device address is finished.

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(3) Equalize the device informationTo associate the new device on the bus to the device in the project database, first equalize the device information.

SEE ALSO For details on equalization, refer to “D5.3.5 Equalization” in Foundation fieldbus Reference (IM 33J20T10-01EN)

IMPORTANTIf there is an output device such as a valve positioner in the segment where the device is being replaced, actual output may abruptly change due to the fallback operation of the AO/DO block of the device replacement output device. Therefore, take a measure such as fixing the degree of opening of the output devices in the same segment or safely stopping control and check that provision or protection is complete, and then perform the equalization work.

Select the new device in the right pane, then drag it to the device from before replacement in the left pane by keeping the left mouse button pressed and drop it on the device from before replacement by releasing the button.

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The following confirmation screen appears. Click [OK] to continue the process.

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The device information display window appears. Select [Equalization Mode] at the top left of the following screen.

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The parts that are different for the fieldbus device for after replacement are indicated in yellow. “Before replacement” refers to the values in the project database of the CENTUM fieldbus engineering function, and “after replacement” refers to the values acquired from the actual fieldbus device currently connected to the FF-H1 bus. Equalization is the work to remove these differences and match the field bus device and project data.When the model of the fieldbus device for after replacement differs, the block configuration of both may differ. In this case, the CF/DD files, device ID, and block configuration for the device for after replacement are imported and reflected in the project database for equalization to the configuration of the actual device for after replacement and its function block.Select the Device tab to display the device information and change the radio button selection of [Block Structure] to the side of [Devices on FF-H1 Bus]. There is no need to change the selection for the other radio buttons in this screen.

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Clear the [The equalization of the block parameter is executed] check box and then click [Equalization].

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Click [Yes] in the following screen to continue the process.

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If the following screen appears, click [Yes]. Fieldbus Builder closes automatically.

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If the following equalization execution screen appears, click [Execute]. The equalization process begins.

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When the following screen appears, equalization of the device information is finished. Check that there is no error or warning and then click [Finish].

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(4) Equalize the block parametersNext, select the [Block Parameter] tab and execute equalization of the block parameter differences.The items for which equalization is required are on the three [Basic Config], [Other Config], and [Other] tabs. The [Basic Observation] and [Observation] tabs contain parameters for monitoring so setting is not necessary as the differences are removed by executing equalization.

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There are the following two types of block parameter differences. One is that the parameter name is the same but the value differs. The other is a value is only present in one of the blocks. The following shows the approach for block parameter equalization.

• [Devices on FF-HH1 Bus] is selected as the master for a parameter that only exists on the actual device.

• [Devices on FF-HH1 Bus] is selected as the master for a parameter that is dependent on the device hardware or vendor.

• [Devices in Project database] is selected as the master for a parameter related to the control application in CENTUM.

Block type Parameter/element name

Data to be master

RemarkDevices in project database

Devices on FF-H1 bus

RESOURCE BLOCK All parameters

TRANSDUCER BLOCK All parameters Parameters unique to hardware

FUNCTION BLOCK

CHANNEL (*1)

When same model (*2)

When

different model

OUT_SCALE Analog input

XD_SCALE Match to TB parameters (PRIMARY_VALUE_RANGE, FINAL_VALUE_RANGE)

PV_SCALE Analog output

: Master data selected with a radio button

*1: CHANNEL: Specify the number of the logic hardware channel on the TRANSDUCER BLOCK side connected to the I/O block to which this parameter belongs. In the case of the same model, the setting value of the device from before replacement can be inherited by specifying the device in the project database as the master. For details, refer to the instruction manual of the target device.

*2: Same model: Device vendor and device type are the same but the device revision is different. In this case, the value of CHANNEL does not change even if the device revision differs.


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Consider the above policy and then select the data to be the master for the differences indicated in yellow with the radio buttons. Then, select the [The equalization of the block parameter is executed] check box and click [Equalization].

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IMORTANTIf a communication error occurs, click the [Update Comm. Info] button at the top left to execute the process again.

If the radio button selections for the equalization direction are changed in the equalization screen, the following dialog box appears and a confirmation dialog box appears to confirm whether or not to save the changed equalization directions.This will become a template file that can be commonly used for fieldbus devices of the same model and device revision. In the future, the equalization directions set this time will be selected automatically when replacing a device with the same model.

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Select [Yes] and then specify a file name and save the file. (Saving with the default file name is possible.)

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Check that there is no error or warning and then click [Finish].

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(5) Download the master data to the deviceWhen equalization from Device Panel is finished, execute downloading of the master data to the target device from Fieldbus Builder. (This is required because there are parameters that are not downloaded with the equalization function of Device Panel.) Select [Mater data download] in the [Advanced Functions] menu for the new device.

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(6) Check the process input/output data of the device for after device replacementUse an HIS to check that input/output of the device has been restored to normal (the status of the corresponding device tag is NR).

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2.2 Replacement with the Same Model (Device for Which All of the Device Vendor, Device Type, and Device Revision are the Same)

When replacing a device with one of the same model, changes of the NM parameters do not occur so the procedures of “2.1.1 Checking Whether or Not NM Parameter Changes in Advance” and “2.1.2 Changing NM Parameters” performed when replacing a device with one of another model are not necessary. The work procedure is as follows.Furthermore, the providing of protection for output devices described in “2.1.4” is not necessary because there is no influence on the output devices in the same segment when device equalization is executed.

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2.1.3 Preparing Device to Be Installed

as Replacement No need to provide protection for output devices.


2.1.4 Main Work of FF Device Replacement

Figure Procedure for Replacement with Same Model

(1) Set the device tag and clear the address for the device to be installed as the replacement

(2) Perform the hardware (device) replacement work (physical connection to segment)

(3) Perform the work from Device Panel after device replacement

(4) Download the master data to the device

(5) Check the input/output data of the device for after device replacement

The following shows the details of the procedure of each of items (1) to (5).

(1) Set the device tag and clear the address for the device to be installed as the replacementRefer to “2.1.3 Preparing Device to Be Installed as Replacement” and then set the device tag and clear the address for the device to be installed as the replacement.

(2) Physically connect the FF device to the segmentRemove the device to be replaced in the field (on-site) from the segment and then connect the device for after replacement that has been prepared to the segment.This is the same as “(1) Physically connect the FF device to the segment” of 2.1.4.

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(3) Perform the work from Device Panel after device replacementRefer to “(2) Set the device address” of 2.1.4 and then set the device address.Refer to “(3) Equalize the device information” of 2.1.4 and then execute equalization of the device information. This causes equalization of the device ID to be performed.The procedure of “(4) Download the master data to the device” of 2.1.4 is not necessary because it is performed by downloading the master data in the next item.

(4) Download the master data to the deviceRefer to “(5) Download the master data to the device” of 2.1.4.

(5) Check the input/output data of the device for after device replacementRefer to “(6) Check the input/output data of the device for after device replacement” of 2.1.4.

TIPIn Foundation fieldbus Reference (IM 33J20T10-01EN), replacement with the same model involves only downloading the master data to the device for after replacement. Process input/output of the device for after replacement is restored without a problem in this procedure, but perform equalization of the device information with Device Panel in order to reflect the device ID of the device for after replacement as the device ID in the CENTUM project database.

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Glossary 1

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Glossary

SegmentA segment is an engineering unit consisting of several fieldbus devices and ALF111 ports to be connected to one H1 fieldbus.

DD FileA DD file is a binary file provided by the Fieldbus Foundation or fieldbus device vendors. It contains information on how to handle block parameters used by function blocks mounted on the fieldbus devices.

Capabilities File (CF)A capabilities file is a text file provided by the Fieldbus Foundation or fieldbus device vendors.It contains the information on resources and capabilities, default values, and index information of a fieldbus device. One capabilities file is generally provided for one fieldbus device model.

Device Type (DEV TYPE)The ID number assigned to a device.

Device Revision (DEV REV)The revision number of a device.

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Revision Information● Title : Foundation fieldbus Device Replacement Guide● Manual No. : TI 30A20T40-01EN

Dec. 2016/1st EditionNewly published

Dec. 27, 2016-00

Written by Yokogawa Electric Corporation

Published by Yokogawa Electric Corporation 2-9-32 Nakacho, Musashino-shi, Tokyo 180-8750, JAPAN

Subject to change without notice.

Documents

Technical F fieldbus I Device Replacement Guide · Toc-1 I -1 Foundation fieldbus Device Replacement Guide Dec. 27, 2016-00 CONTENTS TI 30A20T40-01EN 1st Edition 1. Precautions for