Display Mode Parameters; Basic Mode Parameters - Siemens MICROMASTER Eco Operating Instructions Manual

Frequency inverter for fans and pumps
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DISPLAY MODE PARAMETERS......................................

Parameter
Displays the output selected by P001 (an Expert mode parameter).
Display selection via P001:
0 = Output frequency (Hz)
1 = Frequency setpoint (i.e. speed at
which inverter is set to run) (Hz)
2 = Motor current (A)
3 = DC-link voltage (V)
The default setting (0) displays the inverter output frequency. If the inverter is in stand-by mode, the
flashing display will alternate between the setpoint frequency and actual output frequency, which will
be 0 Hz when not being run.
In the event of a failure, the relevant fault code (Fnnn) is displayed.

BASIC MODE PARAMETERS....................................

Parameter
This is the time taken for the motor to accelerate from standstill to the maximum frequency. The
DM
maximum frequency is set by parameter P013. Setting the ramp-up time too short can cause the
inverter to trip (Fault code F002 = overcurrent).
This is the time taken for the motor to decelerate from maximum frequency to standstill. The
maximum frequency is set by parameter P013. Setting the ramp-down time too short can cause the
inverter to trip (Fault code F001 = DC link overvoltage). This is also the period for which injection
braking is applied, if selected (refer to parameter P073 in Expert mode).
The value of this parameter (0, 1 or 2) selects the mode of control of the inverter's frequency
setpoint.
10
Function
Operating display
Function
Ramp-up time
Ramp-down time
Frequency setpoint
source selection
0 = digital motorised potentiometer. The inverter runs at the frequency set in P005 (refer to
Expert mode) and can be controlled with the [up] and [down] keys. If P007 (see below) is
set to 0, the frequency can be increased or decreased by setting any two of the digital
inputs (P051 to P055 or P356 - refer to Expert mode) to the values of 11 and 12.
1 = Analog. The inverter output frequency is controlled by analog input signals (0-10V, 0/4-
20mA or potentiometer).
2 = Fixed frequency. Fixed frequency is only selected by setting the value of at least one of
the digital inputs (P051 to P055 or P536 - refer to Expert mode) to the value of 6 or 7.
Range
Default
-
(output frequency)
4 = Motor torque (% nominal)
5 = Motor speed (rpm)
6 = USS serial bus status (Code)
7 = PID Feedback signal (%)
8 = Output voltage (V)
Range
Default
0 - 150.0
20
0 - 150.0
20
0 – 2
0
Units
Hz
Units
Seconds
Seconds
-

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