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1. Position:
4. The speed signal wave form (continuous pulse train) shall be as follows:
5. The maximum and minimum rating for speed input signals are:
INPUT VOLTAGE
HIGH
LOW
REVERSE VOLTAGE
ISOLATION VOLTAGE
(AC for 1 min.)
FORWARD CURRENT
REVERSE CURRENT
The pulse frequency (edge sensitive, duty cycle from 10 to 90% is OK) will determine the motor
speed as shown in the curve below:
6. Minimum speed 1600RPM -- Maximum speed 4500 RPM
7. If the inverter does not receive the speed signal for more than 33 shaft turns, the motor stops.

Speed Control Interface

SYMBOL
Min
Vhigh
4.5
Vlow
-0.2
VR
Viso
IF
3
IR
30
2. Circuit:
3. The microcomputer will wait for
a speed information in order to
start.
Type
Max
5.0
5.5
0
0.2
6
5
5
10
10
Unit
V
V
V
V
mA
µA

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