14
■
Deceleration
The deceleration function is actuated at natural
stop or when the speed is switched to the lower
setting in a two-level speed control.
Turning the deceleration time potentiometer
clockwise will increase the set time.
The factory setting is 0 (no deceleration).
0
10
Deceleration time potentiometer
0
2
4
Deceleration time potentiometer position-
speed characteristics (typical value)
Deceleration time
[sec
/1000 r
/min
]
6
8
10
5
10
15
20
Setting the speed by using an external speed potentiometer
Open the speed potentiometer input terminals S4 and S5.
Before connecting, turn the dial on the external speed potentiometer counterclockwise to set the speed
to 0 r/min.
Turning the dial clockwise will set a faster speed.
3
2
1
1
3
TB3
S1 S2 S3 S4 S5 S6
External
speed potentiometer
20 k 1/4 W
with a linear resistance vs.
angle curve
0
500
1000
1500
2000
5
10
Speed potentiometer resistance
[k ]
External speed potentiometer resistance-
speed characteristics (typical value)
Speed
[r/min]
15
20
60 Hz
50 Hz
NOTE
●
Do not operate multiple speed controllers with
a single external speed potentiometer. Doing
so may damage the speed controllers.
