Siemens SITRANS L Compact Operating Instructions page 85

Relay conflicts
If relays are assigned to another application, notification is present at the start of the wizard,
but assigned relays remain available here. If a pump is assigned in the wizard to one of
these relays, the assignment from the wizard will be used.
• When wizard settings are applied in the final step, any relays configured by the pump
• If an assignment is made in error, continue to the end of the wizard and select "No" in
Step: Service ratios
Note
Step is repeated per pump
The parameter in this step will need to be set for each pump used in the application.
This step is only visible if pump control mode is set to "Service ratio duty assist" or "Service
ratio duty backup".
Service ratio pump 1
Sets pump usage based on run time ratio rather than last pump used (see parameter
"Runtime relay x").
Setting
Default
This parameter only relates to relays set to mode "Service ratio duty assist" or "Service ratio
duty backup".
The number assigned to each pump relay represents the ratio applied to decide the next
pump to start or stop.
Note
Pump runtime ratios
• The device will not sacrifice other pumping strategies to ensure that the ratio is held true.
• If the pump relays are set to the same value then the ratio equals 1:1 and all pumps are
used equally (default).
SITRANS LT500 with ultrasonic transducer inputs
Compact Operating Instructions, 02/2024, A5E52021877-AA
CAUTION
control wizard are assigned as needed, including disabling another application if there is
a relay conflict.
the final step "Apply?". Then re-run the wizard. (Selecting "Yes" to apply the wizard
settings in this scenario, means the application will be incorrect and pumps may be
assigned to relays incorrectly.)
0 ... 255
1
Commissioning
6.5 Local commissioning
85