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Appendix D
Unit Replacement
By saving device parameter files in the DeviceNet Configurator, the saved parameters can be written to new
master and slave devices that may replace present ones in case of device failures. This will save time required
for setting up the new devices.
Backup Device Parameters
While the DeviceNet network is in normal operation, use the following procedure to upload online and back up
the device parameters of the network devices.
• Connect the DeviceNet Configurator (Ver 2.
@
) to the DeviceNet network.
• Place the DeviceNet Configurator online, select the device, and then select
Device, Parameter
, and
Upload
.
• Click the
Yes
Button. The parameters will be uploaded.
• Select the device and then select
Device, Parameter,
and
Save
to save the device parameters as a file
(.dvf).
Writing Device Parameters to New Units
After a device is replaced, use the following procedure to read the device parameters in the file and write the
parameters to the new device online.
• Connect the DeviceNet Configurator to the DeviceNet network.
• Select
Device, Parameter, Open
, to read the device parameters saved in the file.
• Select the device and then select
Device, Parameter,
and
Download
.
• Click the
Yes
Button. The parameters will be downloaded.
Note
The device parameters of the CS1W-DRM21 DeviceNet Unit can be backed up in the following methods
as well.
Method 1: Writing a Device Parameter File Uploaded by the Configurator to the DeviceNet Unit through
a Memory Card
The uploaded device parameter file (.dvf) can be saved as DNnnBKUP.dvf (nn: Unit number in 2 digits in
hexadecimal) through the HMC-AP001 Memory Card Adapter in the Memory Card. Then the device
parameters can be saved in the DeviceNet Unit by turning ON the Unit Setup File Restore Bit (bit 14 of
word n) after the Memory Card is mounted to the CPU.
Method 2: Writing a Device Parameter File Backed Up in a Memory Card to the DeviceNet Unit without
Using the Configurator
• Turn ON the Unit Setup File Backup Bit (bit 15 of word n) to save the setup data in the DeviceNet Unit
as a Unit setup file in the Memory Card.
• Turn ON the Unit Setup File Restore Bit (bit 14 of word n) to write the Unit setup data file in the Memory
Card to the DeviceNet Unit.
Note
The data in the Unit setup files is compatible with the device parameter file prepared by the Configurator.
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