Manual network resynchronization – Echelon IzoT Commissioning Tool User Manual

Page 257

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ObjectId

The handle of the object that was modified. For events related to network
variables and message tags, the object ID will be the index of their functional
block.

DeviceHandle

The handle of the device in which the object is defined. This field only
applies to events related to network variables, message tags, and functional
blocks.

NvHandle

The index of the network variable in the device. This field only applies to
events related to network variables.

Mthandle

The index of the message tag in the device. This field only applies to events
related to message tags.

Manual Network Resynchronization

You may need to manually resynchronize the OpenLNS network database, the network, or the
OpenLNS CT drawing if automatic resynchronization fails or if one the following scenarios occur:

• An OpenLNS application other than IzoT Commissioning Tool makes changes to the OpenLNS

network database that are not tracked by OpenLNS events.

• An OpenLNS CT drawing is saved improperly.
• Log entries are deleted from the IzoT Commissioning Tool event log before they are applied to an

OpenLNS CT drawing

• Changes are made to an OpenLNS CT drawing in between creating and restoring a hot backup of

the network database.

• An IzoT Commissioning Tool backup file containing an OpenLNS network database and

OpenLNS CT drawing files is restored and devices need to be recommissioned.

• An IzoT Commissioning Tool network design is created using network recovery.

To manually resynchronize an IzoT Commissioning Tool network, follow these steps:

1. Back up the IzoT Commissioning Tool network following the steps in Backing up an IzoT

Commissioning Tool Network Design in this chapter. This enables you to restore the IzoT
Commissioning Tool network design in the event a serious resynchronization error occurs.

2. In the OpenLNS CT drawing, click Add-ins, point to Synchronization, and then click

Resynchronize. The Synchronize OpenLNS CT Drawing dialog opens.

If you did not back up the network and changes have been made since the last backup, a message
opens recommending that you back up the network before proceeding. If this occurs, you should
click No, close the drawing, and back up the network.

IzoT Commissioning Tool User’s Guide

241

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