Siemens SITRANS LVL200E Instrukcja obsługi - Strona 20
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Electronics and terminal
compartment
Wiring plan
20
4
5
Fig. 11: Electronics and terminal compartment
1
Control lamp
2
DIL switch for sensitivity adjustment
3
Ground terminal
4
Connection terminals
5
Processing system or PLC
We recommend connecting SITRANS LVL200E in such a way that
the switching circuit is open when there is a level signal, line break or
failure (safe state).
For connection to a SITRANS SCSC or SITRANS TCSC signal
conditioning instrument dto. Ex, WHG. The sensor is powered by the
connected signal conditioning instrument. Further information is avail-
able in chapter "Technical data", "Ex-technical data" are available in
the supplied "Safety information".
The wiring example is applicable for all suitable signal conditioning
instruments.
The control lamp on SITRANS LVL200E lights in general
•
red - with covered tuning fork
•
green - with uncovered tuning fork
Take note of the operating instructions manual of the signal condition-
ing instrument. Suitable signal conditioning instruments are listed in
chapter "Technical data".
If SITRANS LVL200E is used in Ex areas as part of an overfill protec-
tion system according to WHG (Water Resources Act), take note of
the regulations in the safety instructions and conformity certificates. If
the instrument with electronics module SWE60Z EX, SWE60Z EX E1
is to be operated directly on the analogue input of a PLC, a suitable
safety barrier should be connected.
SITRANS LVL200E - Operating Instructions
SW E60Z
+
0,5 g / cm 3
0,7 g / cm 3
1
2
1
2
3
MAN-100411