Hitachi SJ Series, User Manual

Page: 210 / 786

12-8-5
Chapter 12 Inverter Function
12.8.3 Switch the acceleration or
deceleration time in multiple stages.
• To use the multi-speed command by giving a
frequency command with different acceleration or
deceleration times.
• To accelerate or decelerate to a predetermined
frequency by using a plurality of different
acceleration or deceleration times.
• Setting up this function allows the acceleration or
deceleration time to be changed in response to the
multi-speed terminal command.
Parameter
• When using the input terminal function to switch
the multiple speeds, operation should be
performed by assigning 003 [CF1] to 006 [CF4] or
007 [SF1] to 013 [SF7] to any of [CA-01] to [CA-11].
• When [AC-02] multi-stage acceleration or
deceleration selection is 01, the 2-stage
acceleration or deceleration function is disabled.
Item Parameter Data Description
Multi-stage
acceleration or
deceleration
selection
[AC-02]
00
The acceleration or deceleration time follows
[AC120]/[AC122] or [AC124]/[AC126] (when
2-stage acceleration or deceleration function is
enabled).
01
The acceleration or deceleration time will be
switched in accordance with the multi-speed
command.
Multi-speed
command
[Ab-11]~[Ab-25]
0.00~590.00
(Hz)
Set the multi-speed command with 1st speed
[Ab-11] to 15th speed [Ab-25].
Acceleration
time set-up
for the
multi-speed
1st to 15th
speeds
[AC-30], [AC-34], [AC-38],
[AC-42], [AC-46], [AC-50],
[AC-54], [AC-58], [AC-62],
[AC-66], [AC-70], [AC-74],
[AC-78], [AC-82], [AC-86]
0.00~
3600.00(s)
Set an acceleration time ranging from 0 Hz to
the maximum frequency for each of the
multi-speed commands.
Deceleration
time set-up
for the
multi-speed
1st to 15th
speeds
[AC-32], [AC-36], [AC-40],
[AC-44], [AC-48], [AC-52],
[AC-56], [AC-60], [AC-64],
[AC-68], [AC-72], [AC-76],
[AC-80], [AC-84], [AC-88]
0.00~
3600.00(s)
Set a deceleration time ranging from the
maximum frequency to 0 Hz for each of the
multi-speed commands.
Multi-speed
selection
[Ab-03]
00
Corresponding to 16-speed binary operation.
003[CF1]~006[CF4]
01
Corresponding to 8-speed bit operation.
007[SF1]~013[SF7]
Input terminal
function
selection
[CA-01]~[CA-11]
003~006/
007~013
Implementing the multi-speed command.
003[CF1]~006[CF4]/ 007[SF1]~013[SF7]
Q
A
!