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Manual OPTISENS CAC 050 / IAC 050 

 

OPTISENS CAC 050 / IAC 050

 

 
 

 

2.

 

Electrical connection 

 
 

You will find a detailed connection diagram on the following pages.  
 
Before connecting the power supply check the information on the nameplate of the device! 

 

ATTENTION 

 
Input, output and control lines must be installed separate from each other and separate from power lines!  

 

For inputs and outputs use screened lines and connect the screen on one side only.  
 
The conductivity measurement is interference-sensitive. Use a special screened cable and over long 
distances or in humid atmosphere additionally an impedance converter.  
 
For the connection of the temperature sensor use a low-resistance cable with a large diameter.  
 
When using the relays, mind that with inductive loads, interference must be suppressed. If that is not 
possible, the relay must be protected at the terminal block in the converter by a resistance-capacitance filter 
or, in case of direct current, by a free- wheeling diode. 

 

 

Current up to 

Capacitor C 

Resistance R 

60 mA 

10 nF 260 V 

390 Ohm 2 Watt 

70 mA 

47 nF 260 V 

22 Ohm 2 Watt 

150 mA 

100 nF 260 V 

47 Ohm 2 Watt 

 

 

1.0 A 

220 nF 260 V 

47 Ohm 2 Watt 

 

 

Summary of Contents for OPTISENS CAC 050 R

Page 1: ...Installation and Operating Instructions OPTISENS CAC 050 IAC 050 Measuring and control device for conductivity measurements 07 2008...

Page 2: ...er 14 4 2 c value cell factor 15 4 2 1 Calibration via cell factor 15 4 3 Cable compensation and averaging 16 4 3 1 Cable compensation zero point correction 16 4 3 2 Averaging 16 4 4 Temperature compe...

Page 3: ...the user Improper installation and operation may lead to loss of warranty In addition KROHNE Group s Standard General Conditions of Sale and Delivery found on the back of the invoice and forming the b...

Page 4: ...ensure safe usage follow all instructions carefully and pay special attention to all warnings issued in this manual If the device is visibly damaged or has been stored inappropriately or if there are...

Page 5: ...ontroller 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 adju...

Page 6: ...r slot or by sliding the slot under a screw which is an alternative for limited space Either way you have to fix it additionally with two screws ATTENTION Install the device in a place where it is not...

Page 7: ...device upon the upper screw In that case drill the upper hole 120mm 4 7 above the lower two 2 Or you can slip the fixture on the back of the device under the upper screw In that case the upper hole h...

Page 8: ...interference sensitive Use a special screened cable and over long distances or in humid atmosphere additionally an impedance converter For the connection of the temperature sensor use a low resistanc...

Page 9: ...ement 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 R...

Page 10: ...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 1...

Page 11: ...ut storing With key Enter changes are stored For your convenience triangles in the display indicate the directions you can take from your position in the menu 3 1 How to adjust parameters Temp comp Ma...

Page 12: ...nsation Enter password Password function Set points Controller settings set points P ranges I functions Limit values Alarm function Basic settings Basic settings Cal Pt 100 NTC Service Contr settings...

Page 13: ...perature compensation and set points Code 86 gives access to all parameters and functions With any other number it is impossible to select view or change any parameter Main menu Basic settings Basic s...

Page 14: ...on Especially in the lower measuring ranges the measurement tends to get a bit unsteady due to the high resistance of the water The signal can be smoothed out by activating an averaging function Condu...

Page 15: ...actor c Cell factor c 0 050 Please make sure that the cell factor of the sensor is appropriate for the selected measuring range In contrast to the device which can be used for all ranges the sensor s...

Page 16: ...veraging over subsequent measurements When the averaging function is activated the average is displayed instead of the single measured values 4 4 Temperature compensation Main menu Automatic compensat...

Page 17: ...on delay For any type of controller you have to enter one or two set points and you have to tell the device whether these set points are reached by increasing or decreasing the measured value You can...

Page 18: ...P range 0 and integral time 0 3 Acting direction for S1 and S2 Select raise if the dosage raises the measured value Select lower if the dosage lowers the measured value 4 Optionally a hysteresis The...

Page 19: ...1 0 00 mS 00 100 l h Integral Time S1 Pulse Freq S2 000 sec 00 100 l h Set points S2 Direction S1 0 50 mS Raise P range S2 Direction S2 0 00 mS lower Integral time S2 000 sec Pulse Pause Basic setting...

Page 20: ...ay Contr settings Turn on delay OFF Turn on delay ON Turn on delay 180 s 5 5 Turn on delay Set a delay time which has to pass before the controller is activated after start up or power interrupt This...

Page 21: ...o flash 1 402 mS 25 0 C S1 S2 Man 6 Switch ON relay 2 with key The square to the left of S2 gets dark 1 402 mS 25 0 C S1 S2 Man 7 Switch OFF relay 2 again with key The square gets light 1 402 mS 25 0...

Page 22: ...arm issued under these circumstances you can adjust a turn on delay which has to pass before an alarm is issued If the turn on delay time is 0 then the alarm is issued only if the cause of alarm remai...

Page 23: ...Sensor check during measurement During measurement all connected sensors are checked If an analog input does not receive a correct signal for e g if a cable is broken or a sensor damaged an alarm is i...

Page 24: ...2 resp feeds with 100 for more than the defined period of time Please check the dosing especially the feeding tubes and connections Caution Carefully check for leaking chemicals Ext controller stop T...

Page 25: ...for readjustment If you want to have the device checked regularly you are welcome to send it to KROHNE Water Solutions Alternatively the device can be checked on site by one of our engineers 8 2 Disp...

Page 26: ...settings Erase settings Press simultaneously In this menu you will find information which is especially important for any inquiries updates or problems 8 7 1 Product info These figures allow a precis...

Page 27: ...und measured value and temperature with dimensions indication of relay status Current output 0 4 20 mA galvanically isolated max loading 500 Ohm Interface option RS485 Baud rate 9600 data format 8Bit...

Page 28: ...Manual OPTISENS CAC 050 IAC 050 OPTISENS CAC 050 IAC 050 28 9 2 Dimensions 9 2 1 Panel mounting enclosure 9 2 2 Wall mounting enclosure...

Page 29: ...cate confirming that the device is safe to handle If the device has been operated with toxic caustic flammable or water endangering products you are kindly requested to check and ensure if necessary b...

Page 30: ...perature coefficient C Analog output Output 0 20mA 4 20mA for conductivity Controller S1 Controller S2 Start End Controller Controller S1 Controller S2 Acting direction Acting direction raise lower ra...

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