45
7.1.7
Set-up of the inverter at the time of communication option PC board use
When attaching a communication option substrate to DB unit and communicating with a VF66B inverter,
the number of DB unit linked to an inverter is set up (J-15). The absolute value of J-15 shows the number
of connection of DB unit, when J-15 is positive (J-15>0), in the case of the protection mode of DB unit, the
display for indication of an inverter is displayed as "db
○
" (
○
numerical value of station number), and
operation of an inverter is continued. When J-15 is negative (J-15<0), in the case of the protection mode of
DB unit, it is displayed on the display for indication of an inverter as "dbO" (O numerical value of station
number), and an inverter serves as protection mode and stops operation. Refer to the instructions manual
of a VF66B series inverter for the preset value of an inverter.
Table 7.5 Setup of an inverter
Display
Dicription
Set-up range
Initial value
J-15
Number of DB unit of external connection
with a communication option
6
～
6
0
7.2
Option cover
DB unit has a cover as an option as an object for the prevention from substrate contact with a PC board. For
details, please consult to the operating window of our company.
Summary of Contents for VFDB2009 Series
Page 1: ...VFDB2009 Operation Manual...
