Manual OPTISENS CAC 050 / IAC 050
OPTISENS CAC 050 / IAC 050
10
2.2
Connection diagram wall-mounting enclosure
Connection
Termin
als
Notes
1 = Inner electrode = white
2 = Outer electrode = brown
Conductivity sensor
conductive (CAC)
1 – 2
4 + 5
Integrated Pt 100 = green & yellow
Conductivity sensor
inductive (IAC)
1 - 4
Measurement = cable #3
1 = core, 2 = screen cable #3
Voltage supply = cable #1
Integrated NTC = cable #2
4 = screen, 5 = core cable #2
PT 100 (CAC) / NTC (IAC) 4 + 5
Display contrast
Display
Potentiometer to adjust brightness
Analog output
11 + 12
11 = + , 12 = - , max. load 500 ohm
Relay 1
14 + 15
Relay 2
16 + 17
Relay 3
18 + 19
Alarm Relais
Power supply
20 - 22
Check information given on name plate
RS 485 (option)
23 + 24
23 = + , 24 = - , Jumper A activates terminating resistance
Digital input
26 + 27
26 = + , 27 = - , external controller stop and / or low water indication
NOTE
When using different sensors or cables refer to the instructions for connection and cable color specifications
given there.
