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Front cover
DIL switch block
Mode (min./max. adjust-
ment)
Switch-on pulse monitor-
ing
MAN-100414
•
Yellow
– Relay control lamp
– Lights with activated (current-carrying) relay status
The adjustment elements are located under a hinged front cover. To
open it, use a small screwdriver in conjunction with the slot on the
upper side of the front cover. To close it, push the cover at bottom and
top firmly onto the front cover until you hear the two retaining clips
snap in.
The DIL switch block is located behind the front cover. The individual
switches are assigned as follows:
Fig. 3: DIL switch SITRANS TCSC
1
Mode (min./max. adjustment), channel 1
2 Switch-on pulse monitoring On/Off
3
Switch-on delay 2 seconds
4
Switch-on delay 6 seconds
5 Switch-off delay 2 seconds
6 Switch-off delay 6 seconds
7 Two-point control On/Off
8
Mode (min./max. adjustment), channel 2
The requested operating mode is set with the min./max. switch (min.
detection i.e. dry run protection or max. detection i.e. overfill protec-
tion)
•
Dry run protection: Relay is switched off when the level falls
below the min. level (safe currentless state), relay is switched on
again when the min. level is exceeded (switch-on point > switch-off
point)
•
Overflow protection: Relay is switched off when the max. level is
exceeded (safe currentless state), relay is switched on again when
the level falls below the max. level (switch-on point < switch-off
point)
Note:
If the connected sensor has an own mode switch, then this switch
must be set to "Max.".
While switching on, the sensors SITRANS LVL200 deliver a defined
switching sequence in which the switching conditions empty/full/fail-
ure are run through. This switching sequence is checked and evalu-
SITRANS TCSC - Operating Instructions
1
min
max
2
+2s
3
0s
t
4
0s
+6s
+2s
5
0s
t
6
0s
+6s
7
8
min
max
15
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