Hitachi hitachi series inverter 사용자 설명서
33
Two Stage Acceleration and Deceleration
When terminal [2CH] is turned ON, the inverter
changes the rate of acceleration and
deceleration from the initial settings (
changes the rate of acceleration and
deceleration from the initial settings (
F002
and
F003
) to use the second set of acceleration/
deceleration values. When the terminal is
turned OFF, the inverter is returned to the
original acceleration and deceleration time
(
turned OFF, the inverter is returned to the
original acceleration and deceleration time
(
F002
acceleration time 1, and
F003
deceleration time 1). Use
A092
(acceleration
time 2) and
A093
(deceleration time 2) to set
the second stage acceleration and deceleration
times.
times.
In the graph shown above, the [2CH] becomes active during the initial acceleration. This
causes the inverter to switch from using acceleration 1 (
causes the inverter to switch from using acceleration 1 (
F002
) to acceleration 2 (
A092
).
Option
Code
Terminal
Symbol
Function Name
State
Description
ON
Frequency output uses 2nd-stage acceleration and
deceleration values
deceleration values
09
2CH Two-stage
Accelera-
tion and
Deceleration
Deceleration
OFF
Frequency output uses the initial acceleration 1 and
deceleration 1 values
deceleration 1 values
Valid for inputs:
C001
~
C007
Required settings
A092
,
A093
,
A094
=
00
Notes:
• Function
• Function
A094
selects the method for second
stage acceleration. It must be set =
00
to select
the input terminal method in order for the [2CH]
terminal assignment to operate.
terminal assignment to operate.
Example (default input configuration shown see
page 66
):
See I/O specs on
page 21,22.
[2CH]
1
0
0
Output
frequency
frequency
t
[FW,RV]
1
0
0
Target
frequency
frequency
initial
second
2CH
7
6
5
4
3
2
1
L
P24
PLC