9440300990 20-13
DECS-250 BESTCOMSPlus
®
Software
Caution – Settings will be lost!
Default settings will be loaded into the DECS-250, reports and events
will be cleared, and the DECS-250 will reboot when firmware is
updated. BESTCOMSPlus
®
can be used to download settings and
save the settings in a file so that they can be restored after updating
firmware. Refer to Settings File Management for help with saving a
settings file.
The latest version of BESTCOMS
Plus
software should be downloaded
from the Basler Electric website and installed before performing a
firmware upgrade.
A device package contains firmware for the DECS-250, the optional Contact Expansion Module (CEM-
2020), and the optional Analog Expansion Module (AEM-2020). Embedded firmware is the operating
program that controls the actions of the DECS-250. The DECS-250 stores firmware in nonvolatile flash
memory that can be reprogrammed through the communication ports. It is not necessary to replace
EPROM chips when updating the firmware with a newer version.
The DECS-250 can be used in conjunction with CEM-2020 or AEM-2020 expansion modules which
expand the DECS-250 capabilities. When upgrading the firmware in any component of this system, the
firmware in ALL of the components of the system should be upgraded to ensure compatibility of
communications between the components.
The order in which the components are upgraded is critical. Assuming
a system of a DECS-250 and expansion module(s) is in a state where
the DECS-250 is communicating with the system expansion
module(s), the expansion module must be upgraded before the
DECS-250. This is necessary because the DECS-250 must be able to
communicate with the expansion module(s) before the DECS-250 can
send firmware to it. If the DECS-250 were upgraded first, and the new
firmware included a change to the expansion module communication
protocol, it is possible that the expansion module(s) could no longer
communicate with the upgraded DECS-250. Without communications
between the DECS-250 and the expansion module(s), upgrading the
expansion module(s) is not possible.
If power is lost or communication is interrupted during file transfer to
the DECS-250, the firmware upload will fail. The device will continue
to use the previous firmware. Once communication has been restored,
the user must start the firmware upload again. Select Upload Device
Files from the Communication pull-down menu and proceed normally.
Upgrading Firmware in Expansion Modules
The following procedure is used to upgrade firmware in the expansion modules. This must be completed
before upgrading firmware in the DECS-250. If no expansion module is present, proceed to Upgrading
Firmware in the DECS-250.
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