Installation Instructions

Installation et connections Page 22/57
Installation and starting instructions
c) Isolated analog inputs 4…20mA AI1 & AI2
Controller has 2 isolated analog inputs 4…20mA on which a chlorine, bromine, ozone, hydrogen
peroxide, peracetic acid, dissolved oxygen or PHMB sensor can be connected.
The definition of supported sensors is as follows:
0,01…0,5mg/L 0,1…1mg/L 0,02…2mg/L 0,1…5mg/L 0,2…10mg/L 0,4…15mG/L 0,2…20mg/L 0,5…50mg/L 1…100mg/L 2…200mg/L 20…2000mg/L Client*
Free chlorine • • • • • • • • •
Active chlorine • • •
Total chlorine • • • • •
Chlorite • • •
Chlorine dioxide • • • •
Peroxide • • • •
Bromine BCDMH • • • •
Bromine DBDMH • • • •
Free bromine • • • •
Peracetic acid • • •
Ozone • •
Dissolved oxygen • • •
PHMB • •
*The scale of customer can be defined between 0 and 2000 (ppb, ppm, NTU, µg/L, mg/L, g/L or %)
Connection of the sensor on AI1:
 Preferably use a two-strand cable.
 Connect the sensor (+) strand to the AI1 + (5) connection.
 Connect the sensor (-) strand to the AI1 - (6) connection.
 Tighten the cable gland to seal.
Connection of the sensor on AI2:
 Preferably use a two-strand cable.
 Connect the sensor (+) strand to the AI1 + (7) connection.
 Connect the sensor (-) strand to the AI1 - (8) connection.
 Tighten the cable gland to seal.