SMC Networks ITVH Series Operation Manual page 7

Wiring method
Wiring diagram (Power supply and input signal)
①
Proceed carefully, as incorrect wiring can cause damage.
②
Use a DC power supply with sufficient capacity and a low ripple.
③
Turn off the power supply to remove and insert the connector.
④
Never rotate the right angled type connector as it is not designed to rotate.
1 Brown
2 White
3 Blue
4 Black
(Note) The wire colour is shown
for when an alternative cable is used.
Current / Voltage type (ITVH2020-0、ITVH2020-1、ITVH2020-2、ITVH2020-3)
Power supply 24 VDC
Input signal 4～20mADC
0～20mADC
0～ 5VDC
0～10VDC
Preset input type (ITVH2020-40)
Power supply 24 VDC (Negative)
Fig.1 Relation between preset pressure and switch
Preset pressure
S1
S2
△
！
Power supply
Input signal
GND (Common)
Monitor output
(ITVH2020-0)
(ITVH2020-1)
(ITVH2020-2)
(ITVH2020-3)
P_1 P_2 P_3
OFF ON OFF
OFF OFF ON
Caution
+
Power supply
-
+
Input
-
○
+
supply
Power
○
-
P_4
ON
ON
○
+
- 6 -
電源電圧
○
-
○
+
Brown
Blue
White
Black
１： Brown
３：
Blue
S1 ２： White
S2 ４：
Black
１：茶
３：青
２：白
４：黒