Delta AS Series Operation Manual page 84

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Analog-to-Digital
Conversion
Rated Input Range
Rated Conversion
Range
Hardware Input
Limit* 1
Conversion Limit*
Error Rate
Hardware Resolution
Input Impedance
Absolute Input
Range* 3
*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 (4 mA to 20 mA), when the input
signal is 0 mA, exceeding the hardware upper limit, it also exceeds the conversion upper limit. The
module uses the upper limit value (-384) as the input signal and a conversion limit error appears.
*3: If an input signal exceeds the absolute range, it might damage the channel.
AS04DA-A

Electrical specifications
Module name
Number of outputs
Digital-to-analog
conversion
Supply voltage
Connector type
Conversion time
Isolation
Weight
±20 mA
K-32000
~
K+2000
-20.24 mA ~ 20.24 mA
K-32384
2
~
K32384
Room Temperature: ±0.2% ; Full Temperature Range: ±0.5%
24 VDC (20.4 VDC–28.8 VDC) (-15%–+20%)
An analog circuit is isolated from a digital circuit by a digital integrated circuit/an
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
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Current Input
0 mA–20 mA
K0
~
K32000
-0.24 mA ~ 20.24 mA
K-384
~
K32384
16 bits
250Ω
±32 mA
AS04DA-A
Four
Voltage output/Current output
Removable terminal block
2 ms/channel
145 g
4 mA–20 mA
K0
~
K32000
3.81 mA ~ 20.19 mA
K-384
~
K32384