English (GB)
48
13.20 "Pulse flowmeter" (Pulse flowmeter
setup)
You can connect an external pulse flowmeter to one
of the digital inputs in order to register the actual and
accumulated flows. Based on this, you can also
calculate the specific energy.
To enable a pulse flowmeter, set one of the
digital-input functions to Accumulated flow and set
the pumped volume per pulse. See section
13.8 Digital inputs.
Factory setting
See section 24. Factory settings.
13.21 Ramps
The ramps determine how quickly the pump can
accelerate and decelerate during start-stop or
setpoint changes.
You can set the following:
• acceleration time, 0.1 to 300 seconds
• deceleration time, 0.1 to 300 seconds.
The times apply to the acceleration from 0 rpm to
maximum (fixed) speed and the deceleration from
maximum (fixed) speed to 0 rpm, respectively.
At short deceleration times, the deceleration of the
pump may depend on load and inertia as there is no
possibility of actively braking the pump.
If the power supply is switched off, the deceleration
of the pump only depends on load and inertia.
Fig. 56 Ramp-up and Ramp-down
Factory setting
See section 24. Factory settings.
13.22 Standstill heating
You can use this function to avoid condensation in
humid environments. When you set the function to
Active and the pump is in operating mode Stop, a low
AC voltage is applied to the motor windings. The
voltage is not high enough to make the motor rotate
but ensures that sufficient heat is generated to avoid
condensation in the motor including the electronic
parts in the drive.
Factory setting
See section 24. Factory settings.
13.23 Motor bearing monitoring
You can set the motor bearing monitoring function to
these values:
•Active
•Not active.
When the function is set to Active, a counter in the
controller starts counting the mileage of the
bearings.
Pump variant
"Pulse flowmeter"
(Pulse flowmeter setup)
CME ●
CRE, CRIE, CRNE,
SPKE, MTRE
●
Pump variant Ramps
CME ●
CRE, CRIE, CRNE,
SPKE, MTRE
●
TM03 9439 0908
User-set ramp-up User-set ramp-down
Speed
Time
User-set
minimum
Fixed initial ramp
Fixed final ramp
User-set
maximum
Fixed
maximum
0
Pump variant Standstill heating
CME ●
CRE, CRIE, CRNE,
SPKE, MTRE
●
Remember to remove the drain plugs and
fit a cover over the motor.
The counter continues counting even if the
function is changed to Not active, but a
warning will not be given when it is time for
replacement.
When the function is changed to Active
again, the accumulated mileage is again
used to calculate the replacement time.
To Next Page
Loading...
Need help?
General
