VEC lamp
Lights when sensorless vector operation control is running.
ECN lamp
Lights
Charge Lamp
Indicates that high voltage is still present within the inverter. Do not open the terminal board cover while this is lit.
Up/down key lamp
Pressing up or down key when this lamp is lit allows the setting of operation frequency.
RUN lamp | MON lamp |
Lights when the inverter is | Lights when the |
operating. Blinks when the | inverter is in |
automatic acceleration/deceleration | monitor mode. |
is operating |
|
CHARGE 
MON ENT
RUN STOP
PRG lamp
Lights when the inverter is in parameter setting mode.
Monitor key
Displays operation frequency, parameters, and error causes.
potentiometer lamp
Operation frequency can be changed when the
Enter key
| RUN key | STOP key | |
RUN key lamp |
| ||
Pressing this key | Every pressing of this key | ||
Lights when the | while the RUN key lamp is | ||
while the RUN key | |||
RUN key is | lamp is lighted | lit will cause a slowdown | |
enabled. | starts operations. | stop. |
Down key
Up key
Fig. 33 — 50BV VFD Display
If the LID display is in Edit mode, then the display will only show the word “password.” Press the EXPN/EDIT
key to toggle to the Status mode. Make sure the LID dis- play shows:
Log in to Controller Enter Password
3.Key in the password and press ENTER . NOTE: The default password is 1111.
4.The LID display will show: Log in to Controller Logged In
NOTE: The user will be automatically logged off after 15 minutes of
CHANGE THE DEFAULT PASSWORD — To change the default password, perform the following procedure:
NOTE: The password must have already been entered to per- form this procedure.
1.Press 3 and then SET . The LID display will show: Controller Password
2.Press ENTER . The LID display will show: Log in to Controller
Logged in
3.Press EXPN/EDIT . The LID display will show: Password
1111 (default password, or previous password entered)
4.Enter the new password (up to 6 digits) and press ENTER . The LID display will show:
Password
(password just entered)
NOTE: Remember this password; write it down.
5.Press CLEAR twice to leave the password screen and re- turn to the default display screen.
SET THE CLOCK — The user must be logged in to set the clock. To set the clock, perform the following procedure:
1.Press 1 and then SET . The LID display will show: Set Clock
2.Press ENTER . The LID display will show: No Maintenance
NOTE: There is no maintenance information regarding setting the clock.
3.Press EXPN/EDIT . The LID display will show: Time
00:00
4.Enter the time. The time is entered in military time (for example 14.59 for 2.59 pm). Press ENTER then press
the 
button. The LID display will show: Day of Week
1
5.Enter the day of week. The numbers 1 through 7 corre- spond to the days of the week (1 = MON, 2 = TUE, 3 = WED, 4 = THUR, 5 = FRI, 6 = SAT, 7 = SUN). Press
ENTER then press 
. The LID display will show: Month
1
6.Enter the number of the corresponding month (1 through
12). Press ENTER then press 
. The LID display will show:
Day 1
44
