EUTECH INSTRUMENTS ALPHA CON 100 - REV 1.1 Instruction Manual Download Page 26 | Manualshive

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Appendix 1

Jumper Positions - Internal to the Controller

JP1

Selects the input voltage between 110 VAC or
220 VAC.

Fuse

Note that there is a fuse internal to the
Controller. Before opening the unit, ENSURE
that the power cable is physically separated
from the mains supply. Replace the fuse with
the one recommended by the manufacturer.

Front

Back

JP 1

Fuse

1 2

LED

Display

220VAC

110VAC

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Summary of Contents for ALPHA CON 100 - REV 1.1

Page 1: ... ph ha a C CO ON N 1 10 00 0 C C C CX X C Co on nd du uc ct ti iv vi it ty y C Co on nt tr ro ol ll le er r T Tr ra an ns sm mi it tt te er r INSTRUCTION MANUAL Technology Made Easy 68X103704 rev 1 1 Jan 2001 ...

Page 2: ... this manual is subject to change as improvements are made and does not represent a commitment of Eutech Instruments Pte Ltd This instruction manual is written to cover as many anticipated applications of the Alpha CON 100 C CX Conductivity Controller Transmitter as possible If there are doubts in the use please do not hesitate to contact the nearest Eutech Instruments Authorized Distributor Eutec...

Page 3: ...Setting the Controller Range Software 9 5 CALIBRATING THE CONTROLLER 10 5 1 The Lower Level Menus 10 5 2 Calibrating for Conductivity Measurement 10 5 3 Calibrating the Controller for Temperature Measurement 12 5 4 Setting the Alarm Feature 14 5 5 Setting Temperature Coefficient 18 6 SETTING TO FACTORY DEFAULT 19 7 USING THE CONTROLLER CURRENT LOOP FOR DATALOGGING FOR TRANSMITTER MODEL ONLY 20 8 A...

Page 4: ...this panel mounted on line controller provides many user friendly features desirable in conductivity Controllers This versatile conductivity controller can be used for measuring and controlling the Conductivity of a wide range of solutions in process streams Conductivity Ranges Range Resolution Cell Constant 0 99 9 uS 0 999 uS 0 999 uS 0 9 99 mS 0 99 9 mS 0 200 mS 0 200 mS 0 1 uS 1 uS 1 uS 0 01 mS...

Page 5: ...ssword feature to prevent unauthorized entry to change the calibration data hysteresis function high and low setpoints information Alarm and operational message annunciators Hysteresis function to prevent chattering of relays around the setpoint High end transmitter model with 4 20 mA current output for datalogging purposes Built in memory backup to ensure that calibration and other information wi...

Page 6: ...s is activated The MODE key allows you to select between Conductivity display the temperature display or the SETUP menu display While in one of the SETUP menus it also functions as an ESCAPE key For example while setting the Hi SET point you can press MODE key to return to the measurement mode You can confirm changes or enter into further levels of the lower menu by pressing the ENTER key The UP I...

Page 7: ...n 3 Conductivity input Inner core 4 Conductivity input Outer shield The connections for the 12 way screw terminals are from left to right 5 High Set Relay deactivated position 6 High Set Relay center pole 7 High Set Relay activated position 8 Low Set Relay deactivated position 9 Low Set Relay center pole 10 Low Set Relay activated position 11 4 20 mA ve connection for transmitter models only 12 4 ...

Page 8: ... selection Connect the Conductivity electrode to the 4 way screw terminal at the back panel and the PT 100 temperature probe to the PT 100 connections Power on the controller and the display automatically shows the Conductivity reading The uS mS annunciator lights up Once the reading is stable the READY annunciator lights up However if the PT 100 temperature probe is not connected automatic temper...

Page 9: ...y shows current measured temperature with ATC or the temperature that was set in MTC mode Press MODE key again and the display toggles to the SEt for SETUP menu Press ENTER key to go into the lower level setup menus while the display shows SEt These lower level menus allow calibration of Conductivity Temperature and other parameters including set password Hi or Lo Setpoints Hi and Lo Hysteresis va...

Page 10: ...CREMENT key to enter 1 on the 1st digit of the password Press ENTER once and the second digit will blink Similarly enter the second digit of the password 2 and press ENTER key again Repeat with the third digit accordingly 5 Press ENTER key and the display shows CAL and COn alternately Use or key to get into the SEt and id menu press ENTER and set your desired password by following the above steps ...

Page 11: ...to 000 CAL COn immediately displays after you press ENTER key while you are in the SEt menu NOTE The user set password is a protection code Thus it is very important to keep this password strictly confidential to authorized personnel You are advised to remember the password that you have set in order to protect the controller settings and prevent any unauthorized tampering to the system IMPORTANT ...

Page 12: ...the appropriate Conductivity measurement range Press ENTER key to confirm Value scrolls from uS to mS indicating the measurement range or uS mS MODE ENTER CLr uS mS MODE ENTER 999 uS mS MODE ENTER 1 0 uS mS MODE ENTER uS uS mS MODE ENTER 100 Cell Constant either 0 1 or 1 0 blinks when the 999 uS range is selected uS mS MODE ENTER nnS uS mS MODE ENTER 100 ...

Page 13: ...from the measurement mode 2 Press ENTER key If the password has been set earlier key in the password using the method described in section 4 1 Press ENTER once to confirm After you set the correct password you can see the CAL and COn display blink alternately 3 Press ENTER key to enter the Conductivity calibration mode Dip both the Conductivity electrode and temperature probe in the standard solut...

Page 14: ...ly blinks to indicate out of calibration range 7 Press ENTER key to complete the calibration and you will return to CAL and COn menu 8 Press MODE key and it brings you to the Measure mode NOTE Gently stir the electrode in a container filled with calibrating standard and ENSURE that no bubble is trapped during the calibration process to avoid erroneous reading IMPORTANT The correct Temperature Coef...

Page 15: ... and the display alternatively shows Atc and On or Atc and OFF Use and keys to choose between both ATC ON and ATC OFF ATC ON If a PT 100 is connected use and keys to adjust the temperature offset of the PT 100 by 5 C Dip the probe into the sample liquid Make sure that the display is set to ATC ON press ENTER and the display now shows the actual temperature reading blinking Use and keys to adjust t...

Page 16: ...he default of 25 o C or the last set value blinking Use and keys to set your desired value Press ENTER to confirm and the display shows CAL Con Note For ATC OFF you can adjust the set temperature values from 0 0 to 99 9 o C This value will be used for its temperature compensation e g Conductivity in the MTC mode SETUP MODE ENTER Atc SETUP MODE ENTER OFF SETUP MODE ENTER 25 0 ...

Page 17: ... using the method described in section 4 1 Press ENTER once to confirm 3 After you set the correct password you see the CAL and COn display blinks alternately Press key twice the display shows Hi SEt blinking alternately 4 Press ENTER key to access the Hi SET menu and the display shows the last Hi SET value or default 90 of Full Scale Use and keys to change the value of the Hi SET point 5 Press EN...

Page 18: ...3 Press ENTER key to access the Hi HYS menu and the display shows the last Hi HYS value or default 2 of Full Scale Use and keys to change the value of the Hi HYS point 4 Press ENTER to confirm the value of the Hi HYS 5 Press MODE key to exit to measurement mode You can press MODE key as an ESCAPE key to revert to the measurement value if ENTER is not pressed the set value is not stored into memory...

Page 19: ...Press ENTER key to access the Lo SET menu and the display shows the last Lo SET value or default 5 of Full Scale Use and keys to change the value of the Lo SET point 5 Press ENTER to confirm the value of the Lo SET point 6 Press MODE key to exit to measurement mode You can press MODE key as an ESCAPE key to revert to the measurement value if ENTER is not pressed the set value is not stored into me...

Page 20: ... change the value of the Lo HYS point 5 Press ENTER to confirm the value of the Lo HYS Press MODE key to exit to the measurement mode You can press MODE key as an ESCAPE key to revert to the measurement value if ENTER is not pressed the set value is not stored into memory IMPORTANT The Lo SET Lo HYS should be less than Hi SET Hi HYS i e Hi SET and Lo SET value in consideration of the hysteresis ba...

Page 21: ...e MODE key to the SEt display if you are in the measurement mode 2 Press ENTER key to access the SETUP menu Press key twice to enter the SEt tc menu If you do not wish to effect any change and keep the Temperature Compensation as the previous value press MODE key This will take you out of this mode and back to its measurement mode 3 Press ENTER and the display shows the current value of Temperatur...

Page 22: ...ay will show CLr Press ENTER to confirm The display will blink briefly the password is reset to its factory default and toggles to its measurement mode The Master Password is 555 and default user set password is 000 The Master Password can be used even if any other password was set previously Key the master password 555 after entering into the Ënt id display you will see Usr and Clr display altern...

Page 23: ...0 mA current loop can drive a load resistance of no more than 200Ω If the calculated Conductivity is less than 0 uS due to incorrect TC and temperature setting the current will be set to approximately 0 mA If Conductivity exceeds the value that can be measured in the range current will be set to approximately 21 mA In this way the remote data logger can detect when out of range conditions arise Pl...

Page 24: ...esis band allows you to set an allowable range of fluctuations to prevent the relays from activating and deactivating too quickly See below It is not possible to set the high set point lower than the low set point and vice versa taking the hysteresis band into consideration For example when the high set point is 8 50 mS and the high hysteresis band is set at 0 40 mS then the low setpoint cannot be...

Page 25: ...een Hi SET Hi HYS the Hi Set relay remains inactivated D Reading reaches above Hi SET Hi HYS and the Hi Set relay is activated E The Hi Set relay is inactivated only when the reading falls below Hi SET Hi HYS F Reading reaches between Lo SET Lo HYS the Lo Set relay remains inactivated G Reading reaches below Lo SET Lo HYS the Lo Set relay is activated H The Lo Set relay remains activated until the...

Page 26: ...ween 110 VAC or 220 VAC Fuse Note that there is a fuse internal to the Controller Before opening the unit ENSURE that the power cable is physically separated from the mains supply Replace the fuse with the one recommended by the manufacturer Front Back JP 1 Fuse 1 2 LED Display 220VAC 110VAC ...

Page 27: ...rom the factory However if the Temperature Coefficient is known to be different from the default the user can set this value Temperature Coefficient can also be determined by taking 2 uncompensated readings at known temperatures Uncompensated readings can be taken by setting TC to 0 0 or setting the temperature to 25 o C by changing ATC ON to ATC OFF If G1 and G2 are the conductivity measured at t...

Page 28: ...pensation Automatic Manual 0 to 100 0 o C Temperature 0 to 100 o C Resolution 0 1 o C Relative Accuracy 0 5 o C Sensor PT 100 Output 4 20 mA screw terminals non isolated Max load 200 Ω Display LED 3 digits Inputs screw terminals Recommended Input Cable Length Less than 5 meters Relays No Of Relays Maximum Voltage Maximum Current High Hys Band Low Hys Band 2 High set Low set SPDT 240 VAC 3A 4 of Fu...

Page 29: ...26 NOTES ...

Page 30: ......

Page 31: ...t Eutech Instruments distributor or visit our website listed below Manufactured by Eutech Instruments Pte Ltd Blk 55 Ayer Rajah Crescent 04 14 24 Singapore 139949 Tel 65 778 6876 Fax 65 773 0863 E mail marketing eutechinst com Website http www eutechinst com Distributed by ...

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