Relay Contacts - Siemens SITRANS LUT400 Operating Instructions Manual

Relay contacts

Pumped volume is calculated at the end of the pump cycle. Totalized volume when
External Totalizer
not throughout the pump cycle.
2.11.3.3. Relay Duration
Use
relay to the next. This parameter sets both the open and closed times for the relay
contact and is preset to 0.2 seconds. Partial units are added to the next pump cycle.
Example:
Shows a relay set up to make one contact for every cubic metre (m
Relay Duration ON time
relay contact closed
relay contact open
The following parameters describe how to setup a Totalizer or Sampler.
Page 94 SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS
function is enabled will be given in bursts at the end of the pump cycle,
to set the time in seconds from one change of state in the
3
4m 2m
Pump Cycle
Relay Duration OFF time
3
3
2m
3
) of liquid.
3 3
3m 1m
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