Delta AH Motion Series - Page 225

Chapter 4 Installation and Wiring
4-89
4_
Two-wire Proximity Switch
Please use the two-wire proximity switch whose leakage current I
L
is less than 1.5 mA when the switch is OFF. If the
leakage current is larger than 1.5 mA, please connect the divider resistance Rb gotten from the formula below.
5.1
6
−
≤
IL
Rb
(k Ω)
 NPN(Sink)
S/S
X0.0
I/O
Rb
IL
24VDC
Two-wire proximity switch
Internal
circuit
 PNP(Source)
S/S
X0.0
I/O
Rb
IL
24VDC
Internal
circuit
Two-wire proximity switch
Three-wire Switch
 NPN(Sink)
Three-wire switch
S/S
X0.0
I/O
24VDC
Internal
circuit
 PNP(Source)
S/S
X0.0
I/O
24VDC
Internal
circuit
Three-wire switch