Chapter 4 Installation and Wiring
4-97
4.10 Wiring Analog Input/Output Modules
Definition of 2/3/4-wire connection:
2/3-wire connection(passive sensors): share the power circuit with the system
4-wire connection(active sensors): independently powered. Not recommended to share the same power circuit with
the system
4.10.1 Wiring AH04AD-5A/AH08AD-5A
Shielded cable
*1
4-wire connection:
voltage input
-10V~+10V
V0+
I0+
VI0-
CH0
V2+
I2+
VI2-
CH2
*3
*2
CH0
1M
CH2
AG
1M
1M
AG
1M
250
250
ZP
UP
24VDC
DC/DC
Converter
+15V
-15V
AG
SG
SG
*4
*5
+
-
-20mA~+20mA
V1+
I1+
VI1-
CH1
*2
CH1
1M
AG
1M
250
*4
SG
+
-
+
-
+24V
0V
V3+
I3+
VI3-
CH3
1M
AG
1M
250
CH3
+24V
0V
4mA~+20mA
CH4
1M
AG
1M
250
-20mA~+20mA
+24V
+
-
V4+
I4+
VI4-
CH4
*2
-10V~+10V
+24V
+
-
*4
SG
*4
SG
*4
SG
0V
+24V
0V
0V
3-wire connection:
voltage input
2-wire connection:
current input
4-wire connection:
current input
Shielded cable
*1
Shielded cable
*1
Shielded cable
*1
Shielded cable
*1
3-wire connection:
current input