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3. FRONT PANEL CONTROLS & BASIC OPERATION
G85139-H1750-U049-C1
© Siemens plc 1999
19/08/99
18
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
∆
button or parameter P005 in order to test 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
,
∆
and
∇
) on the
front panel of the inverter. The parameter numbers and values are indicated on the four digit LED display.
FORWARD / REVERSE
Button
LED Display
RS485
Interface
RUN
Button
STOP
Button
Removable
Cover Strip
JOG
Button
UP / INCREASE
Frequency
DOWN / DECREASE
Frequency
Parameterisation
Button
P
Jog
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
effect. Disabled if P123 = 0.
Press to start the inverter. Disabled if P121 = 0.
Press to stop the inverter. Press once for an OFF1 (see section 4.3). Press twice (or hold down) for an OFF2
(see section 4.3) to immediately remove voltage from the motor allowing the motor to coast to a halt without
ramp-down.
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. Press and hold to access
higher resolution for some parameters. See section 5
Figure 3.1: Front Panel
Jog
P