Page 38 COMMUNICATIONS FOR SITRANS LUT400 (HART) – MANUAL A5E33701270
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Operation - PDM
Trend View
Click on the Trend View tab to view trend lines.
The Primary Variable (PV) is one of six process variables set in
2.5.1.Current Output Function
.
[Refer to
Parameter reference (LUI)
in LUT400 operating instructions
1
.] Trend lines can
display Level, Space, Distance, Volume or Flow.
Discrete Inputs and Relays
The Discrete Inputs and Relays tab displays programmation and state for DIs and relays.
1.
SITRANS LUT400 (HART) Operating Instructions (7ML19985MV01)
space
4 trend lines
can be
monitored:
(distinguished
by color in
SIMATIC
PDM).
distance
level
flow (0 L/s)