KROHNE OPTISENS CAC 050 EN - Manual (Page 5)

Manual OPTISENS CAC 050 / IAC 050
5 OPTISENS CAC 050 / IAC 050
0.4 Features
0.4.1
Device
Cell factor (recommendation)
0.00…20.00 MΩ/cm c = 0.05/cm
0.000…2.000 µS/cm c = 0.05/cm
0.00…20.00 µS/cm c = 0.05/cm
0.0…200.0 µS/cm c = 0.05/cm
0.000…2.000 mS/cm c = 0.2/cm
0.00…20.00 mS/cm c = 1/cm
Measuring ranges
conductive
0.0…200.0 mS/cm c = 10/cm
0.00…2.00 mS/cm c see measuring cell
0.,0…200.0 mS/cm c see measuring cell
Measuring ranges
inductive
0…2000 mS/cm c see measuring cell
Measuring range temperature -30.0…+140.0°C
Display Measured value with dimension
Temperature with dimension
Status display sensor, controller & alarm
Temperature compensation manually or automatically with Pt100 or NTC
0.4.2 Controller
Set points
2 set points with adjustable direction
Controller types ON/OFF controller with hysteresis
P controller as Pulse-Pause-, Impulse-Frequency- or steady controller
PI controller as Pulse-Pause-, Impulse-Frequency- or steady controller
Hysteresis adjustable within the measuring range
P range X
P
adjustable within the measuring range
Integral time T
N
0…2000 s
Least pulse 0.1…9.9 s
Pulse+ pause time 02…99 s
Impulse frequency 00…72 equiv. to 0...7200 pulses/h
Turn-on delay 0…200 s
Alarm function min. and max. limit and onset delay, power failure alarm,
Dosage control 0…2000 s
0.4.3
Connections
Relays
3 potential-free contacts (2x controller, 1x alarm)
6 A, 250 V, max. 550 VA
Analog outputs 2x 0/4…20 mA galvanically isolated
max. loading 500 Ohm
Analog inputs 1 measuring input for conductivity sensor
1 measuring input for Pt100 or NTC
Digital input external controller stop or lack-of-water indication
Serial interface (Option) RS485, Baud rate 9600, data format 8 Bit,
1start and 1stop bit, no parity