Delta AH500 series Manual Pagina 84

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Chapter 3 Specifications for Products
3.6 Specifications for Analog Input/Output Modules
3.6.1 General Specifications
AH04AD-5A/AH08AD-5B/AH08AD-5C
Electrical specifications
Module name AH04AD-5A AH08AD-5B AH08AD-5C
Number of inputs 4 8 8
Analog-to-digital
conversion
Voltage input/Current inpu
t
Voltage input Current input
Supply voltage 24 V DC (20.4 V DC~28.8 V DC) (-15%~+20%)
Connector type Removable terminal block
Conversion time 150 μs/channel
An analog circuit is isol
ated from a digital circuit by a digital integrated circuit/an
optocoupler, but the analog channels are not isolated from one another.
Isolation
Isolation between a digital circuit and a ground: 500 V DC
Isolation between an analog circuit and a ground: 500 V DC
Isolation between an analog circuit and a digital circuit: 500 V DC
Isolation between the 24 V DC and a ground: 500 V DC
Functional specifications
Analog-to-digital
conversion
Voltage input
Rated input range -10 V~10 V 0 V~10 V ±5 V 0 V~5 V 1 V~5 V
Hardware input
range
-10.1 V~10.1 V -0.1 V~10.1 V -5.05 V~5.05 V -0.05 V~5.05 V 0.95 V~5.05 V
Fiducial error
(Room
temperature) (The
umber of input
voltages which
are averaged is
100.)
±0.1%
Fiducial error
(Full temperature
range) (The
number of input
voltages which
are averaged is
100.)
±0.45%
Linearity error
(Room
temperature)
±0.07%
Linearity error
(Full temperature
range)
±0.12%
Hardware
resolution
16 bits
Input impedance >200 k
Absolute input
range
±15 V
Analog-to-digital
conversion
Current input
Rated input range ±20 mA 0 mA~20 mA 4 mA~20 mA
Hardware input
range
-20.2 mA~20.2 mA -0.2 mA~20.2 mA 3.8 mA~20.2 mA
3-40
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