KROHNE OPTISENS CAC 050 EN - Manual (Page 10)

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.