Specifications

4. Installation and Wiring
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4-18
Practically Wiring
Input Point Loop Equivalent Circuit Wiring Loop Voltage Activation Level
DC Type
ΰDC Signal INα
SINK Mode
24VDC
24G
X0
S/S
+24
V
SINK
+5
V
24G S/S X0 X1 X2+24V
Sink Type
Input Point Loop Equipvalent Circuit Wiring Loop
DC Type
ΰDC Signal INα
SOURCE
Mode
24VDC
24G
X0
S/S
+24
V
SOURCE
+5
V
24G S/S X0 X1 X2+24V
Source Type
External Resistance =
Wire Resistance+Contact Resistance
Vi
Ii
Xn
C
Rx
Vi
14.5 V13.5 V
(
2.6mA
)
(
2.8mA
)
Logic 1
Logic 0
Xn inputting
State
Rx = 0 ohm
If Rx = 100 ohm, the Vi must
be greater than 14.8V
(14.5V+2.8mA*100), and Xn
input sta te will be logic 1.