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Reference Manual
00809-0100-4021, Rev GC
Section 3: HART commissioning
April 2014
HART® commissioning
MAINTENANCE Hot Backup Active. You must acknowledge these alarms in order to clear them by
checking the ACK boxes next to each alarm.
Yokogawa’s Centum PRM/DTM messages
When the primary sensor fails, alarms will be displayed in the PRM (Plant Resource Manager) via
yellow circles next to the device, as shown below. These yellow circles indicate that something in
your process needs attention. To investigate this further, right click on the affected device, and
choose DTM Works… This will open the DTM (Device Task Manager).
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