Delta AH500 series Manuale Pagina 210

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Chapter 5 Wiring
5-52
5.7.2 Wiring AH08PTG-5A
471.5uA
(Ni100, P t100, or
resistor)/204.8uA
(Pt1000)*3
ADC
AG
INA
O0+
I0+
I0-
O0-
FG
CH1
0~300Ω
NI100/NI1000
PT100/PT1000
O1+
I1+
I1-
O1-
FG
3-wire
CH0
+
-
471.5uA
(Ni100,Pt100, or
resistor)/204.8uA
(Pt1000)*3
ADC
AG
INA
O2+
I2+
I2-
O2-
FG
CH3
0~300Ω
Ni100/Ni1000
Pt100/Pt1000
O3+
I3+
I3-
O3-
FG
3-wire
CH2
4-wire
Ni100/Ni1000
Pt100/Pt1000*2
+
-
Shieldedcable*1
0~300Ω
Ni100/Ni1000
Pt100/Pt1000
2-wire
Shieldedcable*1
Shielded cable*1
*1. The cable connected to the input terminal should be the cable or the shielded twisted pair cable which can
be connected to an Ni100/Ni1000/Pt100/Pt1000 sensor, and should be kept separate from other power
cables and cables which generate noise. Please use a three-wire temperature sensor. If users want to use
a two-wire temperature sensor, On+ and In+ must be short-circuited, and On- and In- must be
short-circuited. (n is in the range of 0 to 7.)
*2. If users want to measure resistance in the range of 0 to 300 , they can use a two-wire or three-wire
sensor instead of a four-wire sensor.
*3. User need to select an appropriate sensor. If an Ni100 temperature sensor, a Pt100 temperature sensor, or
a resistance sensor is used, the internal excitation current is 471.5 μA. If an Ni1000 temperature sensor, or
a Pt1000 temperature sensor is used, the internal excitation current is 204.8 μA.
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