8 AO Expansion module
8 AO Expansion module
Connection of AOs
An AO is an analogue output that generates a ‘0-10 V Voltage’ or ‘0-20 mA Current’ analogue signal.
Each AO can be configured in voltage or current (parameter handled by the software).
Example for 2 AO:
Technical specifications
‘Voltage’ AO
‘Current’ AO
- Output range 0-10 V 0-20 mA
- Load impedance on the output Minimum of 400 Ω Maximum of 500 Ω
- Residual ripple Less than ±20 mV ±40 µA under 500 Ω
- Precision of AO generated
0.3 % over the entire temperature range,
0.25% at 25°C
0.5%, or ±0.1 mA
- Resolution of AO 3600 points (2.8 mV) 3600 points (5.6 µA)