A-35 – Yokogawa YVP110 User Manual

Page 146

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<Appendix 4. Software Download>

A-35

IM 21B04C01-01E

A4.10 Comments on System/Network Management VFD Parameters

Relating to Software Download

IMPORTANT

Do not turn off the power to a field device immediately after changing parameter settings. Data writing

actions to the EEPROM are dual redandant to ensure reliability. If the power is turned off within 60 seconds

after setup, the parameters may revert to the previous settings.

(1) DWNLD_PROPERTY

Sub

Index

Element

Size

(Bytes)

Description

1

Download Class

1

Indicates the download class.

1: Class 1

2

Write Rsp Returned For

ACTIVATE

1

Indicates whether a write response is returned to the ACTIVATE

command.

1: Write Response Returned

3

Write Rsp Returned For

PREPARE

1

Indicates whether a write response is returned to the PREPARE

command.

1: Write Response Returned

4

Reserved

1

(Reserved)

5

ReadyForDwnld Delay

Secs

2

Indicates the maximum delay after receipt of the PREPARE_FOR_

DWNLD command to proceed to transition from DWNLD_NOT_READY

to DWNLD_READY.

6

Activation Delay Secs

2

Indicates the maximum delay after receipt of the ACTIVATE command to

proceed to transition from DWNLD_OK to DWNLD_NOT_READY.

(2) DOMAIN_DESCRIPTOR

Sub

Index

Element

Size

(Bytes)

Description

1

Command

1

Reads/writes software download commands.

1: PREPARE_FOR_DWNLD (instruction of download preparation)

2: ACTIVATE (activation instruction)

3: CANCEL_DWNLD (instruction of download cancellation)

2

State

1

Indicates the current download status.

1: DWNLD_NOT_READY (download not ready)

2: DWNLD_PREPARING (download under preparation)

3: DWNLD_READY (ready for download)

4:DWNLD_OK (download complete)

5: DOWNLOADING (download underway)

6: CHECKSUM_FAIL (not used in this product)

7: FMS_DOWNLOAD_FAIL (failure during download)

8: DWNLD_INCOMPLETE (download error detected at restart)

9: VCR_FAIL (not used in this product)

10: OTHER (download error other than 6 and 7 detected)

3

Error Code

2

Indicates the error during a download and activation.

0: success, configuration retained (download successfully completed)

32768 - 65535: Download error (See Table 4 for error codes.)

4

Download Domain Index

4

Indicates the index number of the domain for software downloading.

5

Download Domain Header

Index

4

Indicates the index number of the domain header to which the download

is performing.

6

Activated Domain Header

Index

4

Indicates the index numbers of the domain header currently running.

7

Domain Name

8

Indicates the domain name. With this product, Domain Name indicates

the field device name.

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