Emerson Process Management 3420 Carbon Monoxide Alarm User Manual


 
Reference, Installation, and Operations Manual Section 6: Meter operation
3-9000-743 Rev S June 2013
Viewing transducer waveforms 255
6.7 Viewing transducer waveforms
The Mark III meter includes a feature for streaming transducer waveforms that can be viewed
using the Daniel MeterLink
Tools - Waveform Viewer screen. The speed at which the waveforms
update is dependent upon the type of connection between the PC and the meter. With the
optional Ethernet connection and Daniel MeterLink, several updates per second are possible.
With a serial connection, updates may occur only every 15 to 30 seconds.
Up to three types of waveform signals can be displayed per chord:
Raw - the sampled waveform received by the transducer (with gain applied)
Stacked - the result of applying stacking to the raw signal(s). Note that when stacking is
not used (StackSize is set to 1), the stacked signal is the same as the raw signal.
Filtered - the result of applying the bandpass filter on the stacked signal. This waveform is
only available when the filter is enabled (via the Filter data point).
For diagnostic purposes, the transducer waveform signals can be stored to a file using the
Diagnostic Collection - Stream to file check box. This utilizes the Mark III meter’s patented
“snapshot-and-playback” feature to accurately record the flow conditions that can then be later
reproduced for detailed analysis.
6.8 Upgrading the meter program
The Mark III meter program is stored in flash memory so that it can be easily upgraded.
The Mark III program consists of three components: the operating system kernel, the file
system, and the firmware. The program file to download to the meter is a “.zip” file that
contains all three components. Do not unzip this file with PKZIP or WinZIP.
To upgrade the Mark III meter program, use the Daniel MeterLink
Tools - Program Download
screen. When the screen is first opened, the
Currently Installed Versions table shows the version
and date for each of the currently installed components.
To download a program file to the meter, click
Open to display an Open Download File dialog.
Select the desired file and click
Open. The filename is displayed in the File edit box under
Upgrade. The version and date of the components to download will be displayed in the table
under
Upgrade. Each component is identified as either older, newer, or the same as what is
currently installed in the meter. Only components that are newer than what is currently installed
are checked for
Download by default. Select or clear any component’s checkbox under
Download to override the default selections.
At least one component must be checked for download before the
Download button is enabled.
Click the
Download button to initiate the download. The status is displayed in the Upgrade
Progress
section of the screen.
The Mark III program can only be upgraded if the configuration is not protected via the
Configuration Protection switch. Refer to Section 3.5.8 for information on the Configuration
Protection switch.