Delta AS Series Operation Manual page 230

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2-wired

+ 24V
+
-
0 V
+ 24V
+
-
0V
*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 In+ (n=1–2) must be short-circuited.
*3. If variability in the input voltage results in interference within the wiring, connect the module to a capacitor
with a capacitance between 0.1–0.47 μF and a working voltage of 25 V.
*4. The wording "CHX" indicates that very channel can operate with the wiring presented above.
*5. If the environment is severe or there is interferences in 24 V pwer supply, short-circuit AGn (n=1-2) and the
input signal.
Current inp ut
4mA ~+2 0mA
S hield ed ca ble *1
CHX
* 2
Current inp ut
4mA~ +2 0mA
S hield ed ca ble *1
CHX
*2
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* 4
A G1
1MΩ
V1+
2 50 Ω
I 1+
VI 1-
A G1
1MΩ
* 5
S LD
A G1
A G1
* 4
A G2
1MΩ
V2+
25 0Ω
I2+
V I2-
A G2
1MΩ
* 5
S LD
A G2
AG 2
DC/DC
2 4V
0 V Conv ert er 1
DC/DC
Con ve rter 2
CH1
I NA1 ADC1
CH2
A DC2
I NA2
+ 15V
-15V
A G1
+ 15V
-15V
AG 2