OPTO 22 – AD3 _ G1 4 to 20 mA Analog Input
Quick Specs:
- G1 4 to 20 mA Analog Input
G1 I/O family
The AD3 analog input module provides a single channel of optically isolated current-to-digital conversion. Nominal input is 4 to 20 mA.
This module mounts on a G1 analog mounting rack, for example the PB16AH.
Specifications:
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AD3 |
AD3T |
AD2T |
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Input Impedance |
249 Ohms |
249 Ohms |
50 Ohms |
|
Nominal Input Range |
4 to 20 mA |
4 to 20 mA |
0 to 20 mA |
|
Over/under Range |
3 to 35 mA |
3 to 35 mA |
-1.25 to 35 mA |
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Accuracy |
0.016 mA (0.1% of span) |
0.016 mA (0.1% of span) |
0.020 mA (0.1% of span) |
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Resolution |
12 bits (0.0039 mA) |
12 bits (0.0039 mA) |
12 bits (0.0049 mA) |
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Response Time |
Full-scale step change in 3 ms |
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Isolation Transient |
4,000 Vrms |
4,000 Vrms |
4,000 Vrms |
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Power Requirements |
13 mA at +15 (+/- 0.25) VDC |
35 mA at +15 (+/- 0.25) VDC |
35 mA at +15 (+/- 0.25) VDC |
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Ambient Temperature: |
0 to 70 °C |
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*Accuracy figures assume use of Gain and Offset commands. |
