4-Step Speed Change - ACP Speecon 7200M3 Manual

Pn-02
Note: S-curve accel/decel reducing shock at motor starting is also enabled. When S-curve accel/decel is
needed, refer to "S-CURVE PATTERN SELECTION" on page 77.

2.7.5 4-STEP SPEED CHANGE

Item Name
Multi-speed Frequency Reference
Multi-speed Operation Function
Up to 4 steps of speed can be set by contact input by setting 4 and 5 multi-speed references
To multi-function contact input terminals.
This eliminates the need for an analog signal thereby enabling operation even at low speed without being
affected by noise. See the following example.
˙
Set according to run specifications.
TERMINAL
1
FWD RUN COMMAND
2
REVRUN COMMAND
Pn-09 Pn-10
FREQ.
Fref
REF.3
FREQ.
FREQ REF.2
(Pn-15)
REF.1
(Pn-14)
(Pn-13)
0
Time
Constant to be set
13 to 16
32 , 33
FREQ
REF.4
(Pn-16)
closed
- - 76
Factory Preset
See page 60.
See page 63.
t
open