4
Technical
Description
20
4.5
Internal display and control elements of the LT 2/KS1-DK lambda transmitter
The LT 2/KS1-DK is operated and the measurement values, process status and fault
status signals are displayed via the display and operating unit (see section
4.6
), or via
PC in conjunction with the remote display software. The LT 2/KS1-DK itself features
only limited operator controls, which nevertheless permit the initiation or display of all
functions necessary for operation, maintenance and service directly on the LT 2/KS1-
DK as well.
Display- and operating elements on processor card
Warning /
Fault
display
Operating
mode
display
Maintenance
switch
Multi-
function-
key
5.1.3 Display and operating elements
Operational display (green) LED 6
Operational status display (green) LED 5
Maintenance switch S 1
Operation (lights up)
Measurement (lights up)
Calibration (flashes)
Offset compensation (flashes slowly)
With test gas / comparative measurement (flashes rapidly)
Maintenance mode
off
Maintenance mode
Maintenance (orange) LED 1
Warning/
fault display (red) LED 12
Maintenance mode act ive (lights up)
Normal operation (off)
No warning / fault
At least one warning present (lights up)
At least one fault present (flashes)
-
-
-
-
-
-
-
on
-
- -
-
-
T
T
2
2
S 1
S 1
2
2
LE
D 1
LE
D
1
LE
D 2
LE
D
2
LE
D 3
LE
D
3
LE
D 4
LE
D
4
LE
D 5
LE
D
5
LE
D 6
LE
D
6
LE
D
7
LE
D 7
LE
D
8
LE
D 8
LE
D
9
LE
D 9
LE
D
1
0
LE
D 1
0
LE
D
1
LE
D 1
1
1
LE
D
1
2
LE
D 1
2
T 2
S 1
2
LE
D 1
LE
D 2
LE
D 3
LE
D 4
LE
D 5
LE
D 6
LE
D
7
LE
D
8
LE
D
9
LE
D
1
0
LE
D
1
1
LE
D
1
2
T 2
S 1
2
LE
D
1
LE
D
2
LE
D
3
LE
D
4
LE
D
5
LE
D
6
LE
D 7
LE
D 8
LE
D 9
LE
D 1
0
LE
D 1
1
LE
D 1
2
T
T
2
2
S 1
S 1
2
2
LE
D 1
LE
D
1
LE
D 2
LE
D
2
LE
D 3
LE
D
3
LE
D 4
LE
D
4
LE
D 5
LE
D
5
LE
D 6
LE
D
6
LE
D
7
LE
D 7
LE
D
8
LE
D 8
LE
D
9
LE
D 9
LE
D
1
0
LE
D 1
0
LE
D
1
LE
D 1
1
1
LE
D
1
2
LE
D 1
2