Delta DVP-ES3 Series Hardware Manual

Chapter 4 Installing Hardware
4-49
4_
④
Using surge absorbing diodes to extend the lifespan of contacts
A diode is connected in parallel to absorb the surge voltage: used in low-power situations.
+
Y
C0
D
I/O relay output
Low power
D: 1N4001 Diode or its equivalent
VDC
A diode and Zener are connected in parallel to absorb the surge voltage: used in high-power and
power-on/off frequently situations.
ZD D
VDC
+
ZP
Y
UP
High power and
ON/OFF frequen tly
ZD: 9V Zener, 5W
D: 1N4001
Diode or its equivalent
⑤
Mutually exclusive output: For example, using Y3 and Y4 to control the forward and reverse rotation
of the corresponding motor, creating an interlock in the external circuit. Combined with the PLC
internal program, this ensures that there are safety measures in place for any abnormal or sudden
situations.
4.2.8 Wiring Digital Input Terminals on DVP-SX3 Series
Refer to section 4.2.6 for more information.

Delta DVP-ES3 Series Specifications

General

Brand	Delta
Model	DVP-ES3 Series
Category	Controller
Language	English