4-19
4.2 Special
Operations
4.2.1 Jogging (inching) the motor
To start jogging operation, perform the following procedure.
(1) Making the inverter ready for jogging
1) Switch the inverter to Running mode (see Section 3.2).
2) Press the "
+ keys" simultaneously (when the run command source is "Keypad" (F02 = 0, , or 3). The lower indicator
above the "JOG" index comes ON on the LCD monitor.
•
Function code C20 specifies the jogging frequency. H54 and H55 specify the acceleration and deceleration times
for jogging, respectively. These three function codes are exclusive to jogging operation. Specify each function code
data, if needed.
• Using the input terminal command
JOG
("Ready for jogging") switches between the normal operation state and
ready-to-jog state.
• Switching between the normal operation state and ready-to-jog state is possible only when the inverter is stopped.
(2) Starting jogging
Hold down the or
key to continue jogging the motor. Release the key to decelerate the motor to a stop.
(3) Exiting the inverter from the ready-to-jog state and returning to the normal operation state.
Press
the
" + keys" simultaneously. The lower indicator above the "JOG" index goes OFF on the LCD monitor.
4.2.2 Remote and local modes
The inverter is switchable between remote and local modes. In remote mode that applies to ordinary operation, the inverter is driven
under the control of the data settings held in it, whereas in local mode that applies to maintenance operation, it is separated from the
control system and is driven manually under the control of the keypad.
•
Remote mode: The run and speed command sources are determined by source switching signals including function codes, run
command 2/1 switching signal, and communications link operation signal. The keypad cannot be used as a
command source.
•
Local mode:
The keypad is enabled as a run and speed command source, regardless of the settings specified by function codes.
The keypad takes precedence over run command 2/1 switching signal, communications link operation signal or
other command sources.
The table below lists the run command sources using the keypad in local mode.
Data for F02
Run command source
Description
0 Keypad
Enables
the
,
, and
keys to run the motor in the forward and reverse
directions, and stop the motor.
1 Terminal
command
FWD
or
REV
2
Keypad (Forward direction)
Enables the and keys to run the motor in the forward direction and
stop it. Running the motor in the reverse direction is not possible.
3
Keypad (Reverse direction)
Enables the and keys to run the motor in the reverse direction and
stop it. Running the motor in the forward direction is not possible.
Holding down the key for at least one second switches between the remote and local modes.
The mode can be switched also by an external digital input signal. To enable the switching, you need to assign
LOC
to one of the
digital input terminals, which means that the commands from the keypad are given precedence (one of function codes E01 to E09,
E98, or E99 must be set to "35").
You can confirm the current mode on the indicators (REM: Remote mode; LOC: Local mode).
When the mode is switched from remote to local, the frequency settings in the remote mode are automatically inherited. Further, if
the inverter is in Running mode at the time of the switching from remote to local, the run command is automatically turned ON so
that all the necessary data settings will be carried over. If, however, there is a discrepancy between the settings on the keypad and
those in the inverter itself (e.g., switching from reverse rotation in the remote mode to forward rotation in the local mode using the
keypad that is for forward rotation only), the inverter automatically stops.
Summary of Contents for FRENIC-MEGA
Page 36: ...2 6 Unit inch mm Refer to Section 2 3 3 9...
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