Application Test - Siemens SITRANS LUT400 Series Operating Instructions Manual

Simulating a changing level
1. Set the desired starting level value in
3.4. 1 .3. Ramp
2. Set
3.4. 1 .4. Ramp Rate
3. Set
3.4.3. Pump Activations
4. Enable
simulation
3.4. 1 .1. Level Simulation Enable
5. Set
The simulated level will initially begin ramping up from
When the level rises to 100% or falls to 0%, it reverses direction at the same rate.
3.4.1.1. Level Simulation Enable
Set
Simulating Discrete Inputs
3.4.3. Pump Activations
1. Enable
simulation
2. Set the discrete input to be simulated (
2
or both) to one of the following:
• ON: the discrete input is simulated to be on
• OFF: the discrete input is simulated to be off.
Set parameter(s) for DI to be simulated (
Input 2
) to Disabled if you do not wish to simulate a discrete input, or to stop DI simulation
that is currently running.
Simulation timeout
Simulation will automatically be disabled and the LUT400 will return to normal
measurement and control ten minutes after changing (editing) any simulation parameter
Level Value
(except
Level Simulation Enable
(
Activations
will switch to Disabled, and the message
display on the LCD. (Device status conditions will also reset in PDM, AMS, FDT, and
FC375/475.)

Application test

You can test the application by varying the actual material level (the preferred test
method), or by simulating level changes.
If you are testing the application via simulation mode, decide if control devices, such as
pumps, are to be operational during simulation by setting the
Pump relay behaviour during simulation
parameter (see
WARNING:
pumps being damaged during simulation, or if the pumps have been locally
disabled through some other means.
While the level is being cycled, check the results of the discrete inputs either by closing
the circuit externally (preferred), or by setting DI simulation parameter to force the input
ON or OFF. Try all possible combinations to thoroughly test the setup. When simulating a
A5E33329501
to Enabled.
to the desired speed, e.g. Medium.
if desired (see
on page 121).
to Disabled when you wish to stop level simulation.
if desired (see
on page 121).
). When the timeout occurs, parameters used to enable simulation
Discrete Input 1
,
Pump Activations
Only enable
SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS
3.4.1.2. Level Value
.
Pump relay behaviour during
to Enabled to start level simulation.
Level Value
Pump relay behaviour during
3.4.2. 1 . Discrete Input 1
3.4.2. 1 . Discrete Input 1
Discrete Input 2
, ), as well as
Simulation Enabled
Pump Activations
on page 121).
when there is no possibility of the
(increasing level).
3.4.2.2. Discrete Input
,
3.4.2.2. Discrete
and/or
Pump
will no longer
Page 123