Installation Instructions
Installation and connections Page 21/67
Installation and starting instructions
b) 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 dioxyde •
•
•
•
Peroxide
•
• • •
Bromine BCDMH
•
• •
•
Bromine DBDMH
•
• •
•
Free bromine
•
• •
•
Peracetic acid
• • •
Ozone
•
•
Dissolved oxygen
•
•
•
PHMB
•
•
* The scale of the customer can be defined between 0 and 2000 (ppb, ppm, NTU, µg/L, mg/L, g/L ou
%)
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.