Delta AS Series Operation Manual page 48

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AS200 Series: Electrical specifications for the inputs. The signals passing through the inputs are

24 VDC signals.
Item
Number of inputs
Terminal connector type
Input type
Input form
Input voltage/ current
Action level
Response time
Maximum input frequency
Input impedance
Input signal
Digital input isolation
Input display
Analog inputs
Analog input conversion
time* 1
Analog input resolution
Analog input mode
Analog linearity error
Analog input impedance
Analog input isolation
*1: Analog input data updates automatically in every PLC program scan.
Model
AS228P-A / AS228R-A / AS228T-A AS218PX-A / AS218RX-A / AS218TX-A
16 (X0.0-X0.15)
OFF→ON
ON→OFF
OFF→ON
ON→OFF
X0.0~X0.7: 3.9 k Ω
X0.8~X0.15: 5.6 k Ω
Voltage direct input
Sinking: The inputs are NPN transistors whose collectors are open collectors.
Sourcing: The inputs are PNP transistors whose collectors are open
collectors.
When the optocoupler is driven, the input LED indicator is ON.
When there is isolation between alaog and digital electricals and there is no
isolation among analog channels.
Isolation between analog electrical and gronunding: 500 VAC
Isolation between analog and digital electrical: 500 VAC
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Removable spring-type terminal blocks
Digital input
Direct current (sinking or sourcing)
24 VDC, 5 mA
>15 VDC
<5 VDC
X0.0–X0.7: < 2.5 μs
X0.8–X0.15: < 50 μs
X0.0–X0.7: < 2.5 μs
X0.8–X0.15: < 50 μs
X0.0–X0.7: 200 kHz
X0.8–X0.15: 10 kHz
500 VAC
N/A
N/A
N/A
N/A
N/A
N/A
8 (X0.0-X0.7)
3.9 k Ω
2
3 ms / channel
12bits
-10V~10V (voltage mode) or
20mA~20mA (currentmode)
±1% (full scale)
≧1 MΩ (Voltage mode)
250 Ω (Current mode)