Connection
2 Har
27
Connection example with a current sink output circuit
2.2 kΩ
20 to 32 VDC
0 V
Host controller
4.7 kΩ
Driver
1
2
IN0+ (STOP)
IN0– (STOP)
2.2 kΩ
20 to 32 VDC
0 V
4.7 kΩ
3
4
IN1+ (FREE)
IN1– (FREE)
* Values in parentheses ( ) are initial values.
Connection example with a current source output circuit
2.2 kΩ
20 to 32 VDC
0 V
Host controller
4.7 kΩ
Driver
1
2
IN0+ (STOP)
IN0– (STOP)
2.2 kΩ
20 to 32 VDC
0 V
4.7 kΩ
3
4
IN1+ (FREE)
IN1– (FREE)
* ( ): Initial value
4-6
Noise elimination measures
There are two types of electrical noises: One is a noise to invade into the driver from the outside and cause the driver
malfunction, and the other is a noise to emit from the driver and cause peripheral equipment malfunction.
For the noise that is invaded from the outside, take measures to prevent the driver malfunction. It is needed to take
adequate measures because signal lines are very likely to be affected by the noise.
For the noise that is emitted from the driver, take measures to suppress it.
Measures against electrical noise
There are the following three methods mainly to take measures against the electrical noise.
z
Noise suppression
•
When relays or electromagnetic switches are used, use noise filters or CR circuits to suppress surge generated by
them.
•
Use an Oriental Motor connection cable when extending the wiring distance between the motor and the driver.
Refer to p.34 for the model name. This is effective in suppressing the electrical noise emitted from the motor.
•
Cover the driver by a metal plate such as aluminum. This is effective in shielding the electrical noise emitted from
the driver.
Summary of Contents for A Step AZ Series
Page 14: ...1 Introduction 14 ...
Page 64: ...3 Implicit communication 64 ...