47
2-8-4
4-step Speed Change
Item name
Constant to be set
Factory preset
Multi-speed frequency command
No. 13 to No. 16
0.0 Hz for both
Multi-function command
No. 32 and No. 33
No. 32 =1, No. 33 = 3
Up to 4 steps of speeds can be set using signals from external ter-
minals 4 and 5. This eliminates the need for an analog signal
thereby enabling operation by simplified external control. See the
following example.
Set according to run specifications.
Frequency
command 4
Frequency
command 3
Frequency
command 2
Frequency
command 1
Frequency
command
Terminal
Normal and reverse
rotation command
Terminal 1 or 2
Multi-speed
command 1
Terminal 4
Multi-speed
command 2
Terminal 5
Time
Open
For 4-step speed
No. 15
No.16
No.13
No. 14
Open
Closed
Closed
Closed
Closed
Open
No. 32 = 3
No. 33 = 4
2-8-5
Jog Operation
Item name
Constant to be set
Factory preset
Jog frequency
No. 17
6.0 Hz
Jog reference selection
No. 32 or No. 33
No. 32 = 1, No. 33 = 3
The Jog command is input from multifunction contact input termi-
nals 4 and 5. Set the value of constant No. 32 to 5 to specify jog
operation for terminal 4, and set the value of constant No. 33 to 5 to
specify jog operation for terminal 5.
Select the Jog Mode (connect terminal 4 or 5 to 6) and input the
start signal. Jog operation starts.
Depressing the
JOG
Key on the Digital Operator performs the
same operation.
No. 17
ON
ON
ON
Normal rotation 1
Frequency
Jog signal
(Terminal 4 or 5)
Forward run rotation signal
(Terminal 1)
Reverse run rotation signal
(Terminal 2)
Time
Reverse rotation
Description of Functions and Constants
Section 2-8