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88 Model 2700 Transmitter with PROFIBUS-PA
Operation
Note: The location of alarms in the Status and Alarm Log windows is not affected by the configured
alarm severity (see Section 4.10). Alarms in the Status window are predefined as Critical,
Informational, or Operational. Alarms in the Alarm Log window are predefined as High Priority or
Low Priority.
5.7.3 With EDD
The transmitter sets its PROFIBUS output status to bad or uncertain whenever an alarm condition
occurs. You can view the current alarms by selecting
View > Device Status and then selecting
Critical, Informational, or Operational. All possible alarms are shown, independent of configured
alarm severity. Currently active alarms are shown by a check mark.
5.7.4 With bus parameters
The transmitter sets its PROFIBUS output status to bad or uncertain whenever an alarm condition
occurs. You can view alarms by reading the status words of the block where the alarm originated. The
status words are one or more parameters whose bits indicate alarm conditions:
• Index 23 (Alarm summary) of each AI function block (Slot 1, 2, 3, and 5).
• Indices 139–146 of transducer block 1 (Slot 11).
You must view all of the status words to get a comprehensive list of current alarms.
5.8 Using the totalizers and inventories
The totalizers keep track of the total amount of mass or volume measured by the transmitter over a
period of time. The totalizers can be started and stopped, and the totals can be viewed and reset.
The inventories track the same values as the totalizers. Whenever totalizers are started or stopped, all
inventories (including the petroleum measurement volume inventory and concentration measurement
inventories) are started or stopped automatically. However, when totalizers are reset, inventories are
not reset automatically—you must reset inventories separately. This allows you to use the inventories
to keep running totals across multiple totalizer resets.
You can view all totalizer and inventory values using any of the communication tools: the display,
ProLink II, the EDD, or bus parameters. Specific starting, stopping, and resetting functionality
depends on the tool you are using.
5.8.1 Viewing current values for totalizers and inventories
You can view current totals for the totalizers and inventories with the display (if your transmitter has a
display), ProLink II, PROFIBUS EDD, or PROFIBUS bus parameters.
With the display
You cannot view current totals with the display unless the display has been configured to show them.
See Section 4.16.1.
To view a totalizer or inventory value,
Scroll until the LCD panel shows the word TOTAL in the
lower left and the desired units in the lower right. Refer to Table 5-2 and Figure 5-3.