25 FW Upgrade Page 116 of 142
MCS301 meter - product Manual 1.25 MetCom Solutions GmbH
25.4 Firmware (Image) Activation
The firmware (image) activation is the last step of FW upgrade process. The FW activation will
be done at time and date specified by central system. The FW activation includes 3 steps:
• Using (Activating) New Firmware;
• Testing New Firmware;
• Discarding Firmware (New or Old);
In the first step, the old firmware will be replaced by new FW and the meter will reboot with the
new version of FW. After new FW activation, it enters the next step (Testing New FW).
25.4.1 Firmware Activation Time
The activation time of all firmware is specified by central system. The firmware activation can be
done via one of two following ways:
• Immediate Activation;
• Scheduled Activation;
25.4.2 Firmware (Image) Activation Process
Three COSEM objects are involved in firmware (image) activation process, see below:
• Image Transfer Activation Scheduler (0-0:15.0.2.255);
• Image Activation Scripts (0-0:10.0.107.255);
• Image Transfer (0-0:44.0.0.255);
Figure 218: FW activation process
As indicated in Figure 28, the main trigger of new firmware (image) activation is the time (and
date) specified in Image (Transfer) Activation Schedule object.
The on-demand activation by central system has higher priority over two other activation mode.
It means, the central system can activate the new firmware even it has been scheduled.
After successful activation of new firmware, an event will generated by server. If the meter can't
activate the new firmware the meter discards the new FW and reboots again with old FW.
Note: If power-off situation happens during FW activation, the meter reboots again with old FW,
but the new FW is not discarded. In this case, the meter waits for activation command from
central system.
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