External Totalizer (2.11.3) - Siemens SITRANS L 7ML5400 Operating Instructions Manual

Relay Logic (2.11.2.5.)
Use to change the behaviour of the relay assigned to time of day control.
Options
Relay contact operation is NORMALLY CLOSED for alarms and NORMALLY OPEN for controls.
By default a control contact is Normally Open. For Relay Duration (2.11.2.3.) (Page 218) the
corresponding relay coil is energized. By setting this parameter to Normally Closed, the relay
coil will be de-energized for the duration phase.
9.2.11.3

External Totalizer (2.11.3)

Available only on LUT430 (Pump and Flow model), and LUT440 (OCM model).
This function tracks the volume of material that passes through a system. The external
totalizer controls a relay to signal an external totalizing device. The relay toggles on and off at
a rate set by the parameters below. (For details on relay behaviour under fail-safe conditions,
see Miscellaneous relays (Page 88).)
Note
Default settings in the parameter tables are indicated with an asterisk (*) unless explicitly
stated.
Enable (2.11.3.1.)
Enables/disables external totalizer relay control.
Options
Multiplier (2.11.3.2.)
Use to scale the external totalizer up or down as required.
Values
This allows the totalizer relay to click for different values of volume.
Example:
To click once every 4310 units, set 2.11.3.2. Multiplier to 4310.
SITRANS LUT400
Operating Instructions, 04/2021, A5E33329501-AG
*
*
Range: 0.0000001 to 99999 .000
Default: 1.000
Parameter reference (LUI)
9.2 Setup (2.)
NORMALLY OPEN
NORMALLY CLOSED
ENABLED
DISABLED
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