Front Panel Controls & Basic Operation - Siemens MICROMASTER Operating Instructions Manual

English
3. FRONT PANEL CONTROLS & BASIC OPERATION
3.1 Front Panel Controls
CAUTION
The digital frequency setpoint has been set at 5.00 Hz in the factory. This means that, it is not
necessary to enter a frequency setpoint via the
that the motor turns following a RUN command.
All settings must only be entered by qualified personnel, paying particular attention to the
safety precautions and warnings.
The parameter settings required can be entered using the three parameterisation buttons (P,
front panel of the inverter. The parameter numbers and values are indicated on the four digit LED display.
Pressing this button while the inverter is stopped causes it to start and run at the preset jog frequency. The
inverter stops as soon as the button is released. Pressing this button while the inverter is running has no
Jog
effect. Disabled if P123 = 0.
Press to start the inverter. Disabled if P121 = 0.
Press to stop the inverter.
LED Display Displays frequency (default), parameter numbers or parameter values (when P is pressed) or fault codes.
Press to change the direction of rotation of the motor. REVERSE is indicated by a minus sign (values < 100)
or a flashing decimal point (values > 100). Disabled if P122 = 0
Press to INCREASE frequency. Used to change parameter numbers or values to higher settings during the
parameterisation procedure. Disabled if P124 = 0.
Press to DECREASE frequency. Used to change parameter numbers or values to lower settings during the
parameterisation procedure. Disabled if P124 = 0.
Press to access parameters. Disabled if P051 - P053 = 14 when using digital inputs.
P
Figure 9: Front Panel
G85139-H1750-U049-B
26/09/97
3. FRONT PANEL CONTROLS & BASIC OPERATION
JOG
Button
RUN
Button
Jog
STOP
Button
RS485
Interface
Removable
Cover Strip
button or parameter P005 in order to test
LED Display
FORWARD / REVERSE
Button
UP / INCREASE
Frequency
DOWN / DECREASE
Frequency
P
Parameterisation
Button
14
and ) on the
© Siemens plc 1997