Wiring Analog Input/Output Modules; Wiring As04Ad-A - Delta AS Series Operation Manual

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4.9 Wiring Analog Input/Output Modules

Definitions of the terminals
◆ Two/three-wire (passive sensor): the sensor and the system share the same power circuit.
◆ Four-wire (active sensor): the sensor uses an independent power supply and should not share the
same power circuit with the system.
◆ Note: use cables with the same length (less than 200 m) and use terminal resistors of less than 100
ohm.

4.9.1 Wiring AS04AD-A

*1. Use shielded cables to isolate the analog input signal cable from other power cables.
*2. If the module is connected to a current signal, the terminals Vn and
4-wir e: v ol tage inp ut
Shi eld ed cabl e *1
-10 V~ + 10 V
+
+ 2 4V
-
0V
4-wir e: c urr ent inp ut
Shi eld ed c abl e *1
-20 mA ~ +2 0 mA
+
+ 24 V
-
0 V
2-wi re: cu rrent i np ut 2-wi re: cu rrent i np ut
4 mA ~ +2 0m A
+ 2 4V
Shi eld ed c abl e *1
+
-
0 V
3-wi re: vo ltag e inpu t
-1 0 V~ + 10 V Shi eld ed c abl e *1
+ 2 4V
+
-
0 V
3-wi re: cur rent i npu t
-2 0m A~ + 20 m A Shi eld ed c abl e *1
+ 24 V
+
-
0V
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*6
C H X
V I+
2 5 0
*3 I1 +
VI 1-
*4
F E
*6
C H X
V 2+
* 2 25 0
I2 +
V I2 -
*4
F E
* 6
C H X
V 3+
* 2 25 0
I3 +
V I3 -
*4
F E
*6
CH X
V4 +
25 0
I 4+
V I4 -
* 4
F E
* 6
C H X
V 1+
*2
25 0
I1 +
V I1 -
*4
F E
*5
0 V
24 VD C
24 V
AG
1 M
C H 1
1M
A G
1M
C H 2
1 M
A G
1M
C H 3
1 M
A G
1M
C H 4
1 M
A G
1M
C H 1
1M
+ 15 V
D C /D C
A G
C on ve rt e r
-15 V
must be short-circuited.
In+ (n=1–4)