Attributes . AI1 software-configurable current 0...20 mA 250 Ohm 12 bits || AI1 software-configurable temperature probe or water level sensor || AI1 software-configurable voltage 0...10 V DC 31.5 kOhm 12 bits || AI2 software-configurable voltage - 10...10 V DC 31.5 kOhm 12 bits . Names