Delta AH500 - 4.8.1.4 Two-wire Proximity Switch

Chapter 4 Installing Hardware and Wiring
4-59
4.8.1.4 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)
 Sinking
 Sourcing
S/S
X0.0
I
/O
Rb
IL
24VDC
Two-wire proximity switch
Internal
circuit
S/S
X0.0
I/O
Rb
IL
24VDC
Internal
circuit
Two-wire proximity switch