Waveform Display - ABB LMT100 Operation Instructions Manual

L M T S E R I E S | M A G N E TO S T R I C T I V E L E V E L T R A N S M I T T E R | O I/ L M T 1 0 0/ 2 0 0 - E N R E V. B

Waveform display

The LMT series includes an integrated graphic display with
waveform screens that detail signal activity The waveform
display of the LMT series is a very useful tool for configuration,
diagnostic and troubleshooting of the device
Left
Down
Symbol Description
Back to previous menu
Scroll to next parameter on this screen
Edit highlighted parameter
Figure 37 Waveform Display
1 Process value label, which could be one of the following:
LVL – Level
INT – Interface
PV% – Process Value in percentage
SVL – Sensor Value for Level
SVI – Sensor Value for Interface
2 Value of the parameter selected in item 1
3 Device measurement parameters This give access to the
following 3 parameters:
THD – Threshold
PLS – Pulse Width
BLK – Blanking
4 Value of the parameter selected in item 3
5 Scale of the waveform screen currently displayed, choices
6 Graphical representation of the threshold level
7 Offset setting reflects the location in the probe (in raw
Up
Right
8 The starting reference voltage value
Accessing the Waveform Screen through LMT HMI
STEP 1:
From the "Level Information" screen press
"Access Level" menu
STEP 2:
Press
Press "Select"
are one of the following:
For metric units - 5 cm/DIV, 10 cm/DIV, 20 cm/DIV or
40 cm/DIV
For imperial units – 3 in/DIV, 6 in/DIV, 12 in/DIV or 24 in/DIV
engineering units) from which the signal is displayed and
corresponds to the most left side of the waveform plot
– The scroll function accessed by pressing the
allows navigation between items 1, 3, 5, & 7
– When the cursor is in positions 5 or 7 press
to change its values
– When the cursor is in position 3 press
to navigate between threshold, pulse width & blanking,
and press in any of those parameters to change its
values
key when positions 1 or 5 are highlighted to
– Press
exit the waveform screen
or to navigate to "Advanced"
55
key
or
or
to switch to the