Siemens MICROMASTER 420 User Manual
Page 54
3 Functions
Issue 07/04
MICROMASTER 420 Operating Instructions
54
6SE6400-5AA00-0BP0
3.2.3
Keys and their functions on the operator panel (BOP / AOP)
Operator
panel/key
Function Effects
Indicates
Status
The LCD displays the settings currently used by the converter.
Start
converter
Pressing the button starts the converter. This button is disabled by default.
Activate the button:
BOP: P0700 = 1 or P0719 = 10 ... 16
AOP: P0700 = 4 or P0719 = 40 ... 46 on BOP link
P0700 = 5 or P0719 = 50 ... 56 on COM link
Stop
converter
OFF1 Pressing the button causes the motor to come to a standstill at the
selected ramp down rate.
Activate the button: see button "Start converter"
OFF2 Pressing the button twice (or once long) causes the motor to coast to a
standstill.
BOP: This function is always enabled
(independent of P0700 or P0719).
Change
direction
Press this button to change the direction of rotation of the motor. Reverse is
indicated by a minus (-) sign or a flashing decimal point. Disabled by default.
Activate the button: see button "Start converter".
Jog motor
In the "Ready to power-on" state, when this key is pressed, the motor starts and
rotates with the pre-set jog frequency. The motor stops when the button is
released. Pressing this button when the motor is running has no effect.
Functions
This button can be used to view additional information.
It works by pressing and holding the button. It shows the following, starting from
any parameter during operation:
1. DC link voltage (indicated by d – units V).
2. output current. (A)
3. output frequency (Hz)
4. output voltage (indicated by o – units V).
5. The value selected in P0005 (If P0005 is set to show any of the above (1 - 4)
then this will not be shown again).
Additional presses will toggle around the above displays.
Jump Function
From any parameter (rxxxx or Pxxxx) a short press of the Fn button will
immediately jump to r0000, you can then change another parameter, if required.
Upon returning to r0000, pressing the Fn button will return you to your starting
point.
Acknowledgement
If alarm and fault messages are present, then these can be acknowledged by
pressing key Fn.
Access
parameters
Pressing this button allows access to the parameters.
Increase
value
Pressing this button increases the displayed value.
Decrease
value
Pressing this button decreases the displayed value.
+
AOP menu
Calls the AOP menu prompting (this is only available for AOP).
Fig. 3-9
Operator panel keys