KROHNE OPTISENS CAC 050 EN - Manual (Page 9)

Manual OPTISENS CAC 050 / IAC 050
9 OPTISENS CAC 050 / IAC 050
2.1 Connection diagram panel-mounting converter
Connection
Termin
als Notes
2 = Inner electrode = white
3 = Outer electrode = brown Conductivity sensor
conductive (CAC) 2 + 3
5 + 6
Integrated Pt 100 = yellow & green
Conductivity sensor
inductive (IAC) 1 – 4
5 + 6 Measurement = cable #3
1 = screen, 2 = core cable #3
Voltage supply = cable #1
3 = screen, 4 = core cable #1
Integrated NTC = cable #2
5 = screen, 6 = core cable #2
Pt 100 (CAC) / NTC (IAC) 5 + 6
Analog output 11 + 12 9 = + , 10 = - , max. burden 500 Ohm
Relay 1 18 + 19
Relay 2 20 + 21
Relay 3 22 + 23 Alarm relay
Power supply 24 – 26 check information given on name plate
RS485 (option) Sub-D 3 = +, 8 = -
4/7 bridged activates terminating resistance
NOTE When using different sensors or cables refer to the instructions for connection and cable color specifications
given there.