4
ANALOG I/O MODULE REPLACEMENT
4.3 A1S66ADA
4.3.1 Performance specifications comparison
Item
Number of analog input points
Voltage
Analog input
Current
Digital output
I/O characteristics
Resolution
Overall accuracy
(Accuracy for the maximum digital
output value)
Maximum conversion speed
Absolute maximum input
4
- 21
A1S66ADA
4 channels/module
-10 to 0 to 10VDC
(Input resistance value: 1M)
0 to 20mA
(Input resistance value: 250)
12-bit binary value
0 to 4095
Analog input range
0 to 10V
0 to 5V
Voltage
1 to 5V
-10 to 10V
0 to 20mA
Current
4 to 20mA
Within ±1% (±40)
400µs or less/4 channels
(Sampling period: 80µs/channel)
Voltage: ±15V
Current: 30mA
Digital output value
Resolution
2.5mV
1.25mV
1.0mV
0 to 4000
5.0mV
5µA
4µA