Delta DVP48ES300T

Chapter 4 Installing Hardware
4-15
4_
4.6.1.3 Open-collector Input Types
 Sinking (NPN input type)
S/S
X0
I/O
Inter nal circuit
24VDC
+
+Vcc
0V
NPN
Internal circuit
 Souring (PNP input type)
S/S
X0
I/O
Internal Circuit
+Vcc
0V
24VDC
+
PNP
Internal circuit
4.6.1.4 Two-wire Proximity Switch
Use the two-wire proximity switch whose leakage current IL is less than 1.5 mA when the switch is OFF. If the
leakage current is larger than 1.5 mA, connect the divider resistance Rb using the formula below.
5.1
6
−
≤
IL
Rb
（k Ω）
 Sinking
S/S
X0
I/O
Internal Circuit
Rb
I L
24VDC
+
Two-wire Proxim ity Switch