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8-16
IM 77V01B01-01EN
5th Edition: 2023.03.07-00
8.4
Firmware Update
Firmware update is the operation of overwriting the firmware with the latest version via
an Ethernet or USB connection in VZ Configurator.
Download the latest version of the VZ20X firmware from the following website, and
execute the firmware update.
URL: https://myportal.yokogawa.com/
Note, however, that to rewrite the firmware via an Ethernet connection, the [Firmware
update permission via Ethernet] parameter in VZ Configurator must be set to ON.
CAUTION
・
Do not turn the VZ20X off during a firmware update.
・
During execution of a firmware update, perform only firmware update operation. Do
not perform other operations.
・
Please use VZ Configurator R1.01.02 or later when updating the firmware.
・
Do not update the modified firmware file to VZ20X. If done, the operation of VZ20X
is not guaranteed.
・
The firmware of VZ20X cannot be downgraded.
Note
・
Before performing a firmware update, back up parameter settings.
・
Parameters are sometimes initialized by a firmware update. So, check the
parameter settings.
・
Parameter initialization also initializes communication related parameters. So,
initially, set up communication related parameters by a USB connection. (See
Chapter 5.)
・
If firmware update fails, please reboot VZ20X. The VZ20X runs using the previous
version of the firmware.
・
VZ20X reboots after a firmware update is completed. Parameter initialization
breaks the connection between the PC and the VZ20X, so begin operations by
establishing a new connection with the VZ20X.
Summary of Contents for VZ20X
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