Siemens SITRANS LUT400 Series Operating Instructions Manual page 374

External Sampler setup
Parameter
Enable (2.11.4.1.)
Multiplier (2.11.4.2.)
Interval (2.11.4.3.)
Relay Duration (2.11.4.4.)
Assigned Relay (2.11.4.5.)
Relay Logic (2.11.4.6.)
A5E33329501 SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS
Setting/
Description
Value
By selecting Enabled, the external sampler is
Enabled
now activated.
In this example, the LUT440 will activate the
external sampler every 1000 flow units (
1000
Units
defined above during initial application
setup).
In low flow conditions where the sampler may
not activate for extended periods of time, a relay
interval can be programmed to allow for sampler
24
activation after a defined number of hours. In
this example, activation should occur every 24
hours.
Duration of time in seconds that the relay will
0.2
energize or "tick".
Relay 2 has been selected for control in this
Relay 2 example as relay 1 has been allocated to the
Fail-safe alarm.
Default for control relay functions is Normally
Normally
Open. In this example, relay 2's coil will be Nor-
Open
mally Open, and will close for 0.2 seconds.
Flowrate
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