Analog Input/Output Module Specifications; General Specifications - Delta AS Series Operation Manual

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2.4 Analog Input/Output Module Specifications

2.4.1 General Specifications

AS04AD-A / AS08AD-B / AS08AD-C

Electrical specifications
Module Name
Number of Inputs
Analog-to-Digital
Conversion
Supply Voltage
Connector Type
Conversion Time
Isolation
Weight
Functional specifications
Rated Input Range
Rated Conversion
Range
Hardware Input
Limit*
Conversion Limit*
Error Rate
Hardware
Resolution
Input Impedance
Absolute Input
Range*
*1: If the input signal exceeds the hardware input limit, the module only shows the maximum value. If the
input signal is below the lower limit, it only shows the minimum value. And an error flag will be set.
*2: If the input signal exceeds the hardware input limit, it also exceeds the conversion limit and a
conversion limit error appears. For example in the voltage input mode (-10 V to +10 V), when the input
signal is 10.15 V, exceeding the hardware upper limit, it also exceeds the conversion upper limit. The
module uses the upper limit value (32387) as the input signal and a conversion limit error appears.
*3: If an input signal exceeds the absolute range, it might damage the channel.
Voltage input/Current input
An analog circuit is isolated from a digital circuit by a digital integrated circuit/
optocoupler, but the analog channels are not isolated from one another.
Isolation between a digital circuit and a ground: 500 VAC
Isolation between an analog circuit and a ground: 500 VAC
Isolation between an analog circuit and a digital circuit: 500 VAC
Isolation between the 24 VDC and a ground: 500 VAC
Analog-to-Digital
Conversion
-10 V ~ +10 V
K-32000
K32000
-10.12V
1
10.12V
K-32384
2
K32384
3
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AS04AD-A
4
24 VDC (20.4 VDC–28.8 VDC) (-15% to +20%)
Removable terminal block
2 ms / channel; for FW V1.02.00 or later, upgraded to 1 ms/channel
Voltage Input
0 V ~ 10 V
K0
~ ~
K32000
-0.12V
~ ~
10.12V
K-384
~ ~
K32384
Room Temperature: ±0.2% ; Full Temperature Range: ±0.5%
AS08AD-B
8
Voltage input Current input
145g
±5 V 0 V ~ 5 V
K-32000 K0
~ ~
K32000 K32000
-5.06V -0.06V
~ ~
5.06V 5.06V
K-32384 K-384
~ ~
K32384 K32384
16 bits
2MΩ
±15 V
AS08AD-C
8
1 V ~ 5 V
K0
~
K32000
0.95V
~
5.05V
K-384
~
K32384