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Analog Inputs 0 to 3
Number of inputs
Input range
(6) (7)
Absolute maximum
rating
Isolation
Conversion method
Resolution
Accuracy
(25°C / -20°C to
55°C)
Input impedance
Noise rejection
Step response
(9)
(0 to 100% of final
value)
Update time
(9)
Operational signal
range (signal +
common mode)
Cable
Diagnostics
(8)
20
4
Input Type
0 ÷ 10VDC
0 ÷ 20mA
* Overflow
is declared when an input value exceeds the Over-range boundary.
(8)
±30V (Voltage), ±30mA (Current)
None
Successive approximation
12 bits
±0.3% / ±0.9% of full scale
541kΩ (Voltage), 248Ω (Current)
10Hz, 50Hz, 60Hz, 400Hz
Smoothing
Noise Rejection Frequency
400Hz
None
2.7ms
Weak
10.2ms
Medium
20.2ms
Strong
40.2ms
Noise Rejection Frequency
400Hz
60Hz
50Hz
10Hz
Voltage mode – AIx: -1V ÷ 10.5V ; CM1: -1V ÷ 0.5V
Current mode – AIx: -1V ÷ 5.5V ; CM1: -1V ÷ 0.5V
(x=0 to 3)
Shielded twisted pair
Analog input overflow
Nominal Values
0 ≤ Vin ≤ 10VDC
0 ≤ in ≤ 20mA
60Hz
16.86ms
66.86ms
133.53ms
266.86ms
Update Time
5ms
4.17ms
5ms
10ms
Over-range Values *
10 < Vin ≤ 10.15VDC
20 < in ≤ 20.3mA
50Hz
10Hz
20.2ms
100.2ms
80.2ms
400.2ms
160.2ms
800.2ms
320.2ms
1600.2ms
Unitronics
User Guide
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