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Instruction Manual

lpha-DO 1000

Dissolved Oxygen Controller/Transmitter

68X242101 Rev 3, 06/04

Содержание ?lpha-CON 1000

Страница 1: ...Technology Made Easy Instruction Manual αlpha DO 1000 Dissolved Oxygen Controller Transmitter 68X242101 Rev 3 06 04 ...

Страница 2: ...1000 Dissolved Oxygen controller transmitter If you have doubts in the use of the instrument please do not hesitate to contact the nearest Eutech Instruments Authorised Distributor The information presented in this manual is subject to change without notice as improvements are made and does not represent a commitment on part of Eutech Instruments Pte Ltd Eutech Instruments cannot accept any respon...

Страница 3: ...setup and operation of the instrument Before powering up the unit make sure that power source it is connected to is as specified in the top label Failure to do so may result in a permanent damage to the unit The unit has live and exposed parts inside If it has to be opened make sure that the power to the unit is off and disconnected The unit is Fuse protected In the event the fuse has to be replac...

Страница 4: ...rs in Advanced Setup mode 10 5 2 4 Clearing the Advanced Setup Security Code from the Display 11 6 CALIBRATION MODE 12 6 1 Dissolved Oxygen Calibration 12 6 2 Dissolved Oxygen Calibration in Saturation of Oxygen 13 7 ADVANCED SET UP MODE 15 7 1 Electrode Offest OFS Salinity and Pressure sub function 15 7 2 Setting the Salinity Value 16 7 3 Setting the Pressure Value mmHg or Pascal 16 7 4 Setting T...

Страница 5: ... l ppm or 27 7 8 3 Selecting the Alarm Time Lag 27 7 8 4 Selecting Steady or Pulse Contact for the Alarm Relay 27 7 8 5 Selecting Dissolved Oxygen Probe Type 28 7 8 6 Reverting to Factory Default Settings 28 7 9 Calibration CAL sub function 29 7 9 1 Entering Calibration mode from Advanced Set up mode 29 8 AUTO MANUAL MODE 30 8 1 Auto Mode Mode After Switch On 30 8 2 Manual Mode 30 9 TECHNICAL SPEC...

Страница 6: ... adjustable high and low set point hysteresis dead bands prevent chattering of relays around the set points Three control modes limit control proportional pulse length or proportional pulse frequency Large dual display LCD for easy reading with clear multiple annunciators alarm status and operational message annunciators Two switching contacts as set point triggering relays and an alarm output rel...

Страница 7: ...s assembly a final control element such as pump or valve and a chart recorder Power Mains 220 110 VAC lpha DO 1000 Controller Flow Assembly Measurement Cable DO Electrode Chart Recorder lpha DO 1000 Alarm Siren System 2 2 Unit Dimensions The field tested control panel housing is 96 x 96 mm with protection class IP 54 front max 175 max 45 Mounting Cut Out Flat Gasket 1mm To be Inserted By Customer ...

Страница 8: ...eparated from the power supply 3 1 Connection Diagram Signal Output Hold Input Alarm Relay 2 Relay 1 Power Mains DO mA PE S PE AC N L 1 2 5 4 3 6 7 8 9 10 11 12 13 14 15 17 15 16 indicated contact positions are for currentless or no error conditions Pt100 Signal Input DO ve ve V PE S DO 18 19 20 21 22 ...

Страница 9: ...ns protective earth wire 12 Alarm relay working position NC 4 Low set relay resting position NC 13 Hold function switch terminal 1 5 Low set relay common 14 Hold function switch terminal 2 6 Low set relay working position NO 15 No connection 7 High set relay resting position NC 16 0 4 20 mA for ve connection 8 High set relay common 17 0 4 20 mA for ve connection 9 High set relay working position N...

Страница 10: ...L N PE 100mA F FUSE 250VAC HOLD ALARM RELAY2 NC DO Probe J2 IMPORTANT The Alarm relay functions as an Active Low device i e it switches OFF under Alarm condition Therefore the Alarm display device should be connected to the NC contacts of the relay ...

Страница 11: ...peration mode Switch between RELAY A and RELAY B in MANUAL relay operation mode 4 1 2 Display The LCD display features two numerical displays that show status messages and measured values for easy quick reference The display provides short text information for setting parameters and configuration MEAS CAL SETUP HOLD ppmt mg l ATC C READY 8 8 8 8 1 8 8 8 HOLD Relay position and current output are f...

Страница 12: ...nged by entering a security code See Section 5 2 for security code information 4 2 1 How to view operating parameters without access to change them 1 Press the ENTER key The display will prompt the user to enter a security code S Cd Leave the security code at 000 do not enter a security code 2 Press ENTER key again This allows you only to view not change any sub functions settings 3 Press the or k...

Страница 13: ...Calibrate Pt100 Pick up delay contact 1 Dropout delay contact 2 Reset to factory default settings Calibrate MIN MAX Function Hysteresis 1 Pick up delay contact 2 Dropout delay contact 1 Proportional range XP Cycle time bzw max frequency Alarm contact cont wiper contact Electrode Type The controller offers two levels of password protection 1 for direct access to calibration function and 2 for setti...

Страница 14: ...ffset values without changing them 1 Press the CAL key followed by the ENTER key without adjusting the security code leave code at 000 The upper display shows the condition of the probe The lower display reading shows the temperature reading 2 Press the ENTER key a second time to return to Measurement mode Note If security code is changed to a value other than 000 pressing the ENTER key will retur...

Страница 15: ...r full details on calibration 5 Press the or keys simultaneously escape to return to the Measurement mode NOTE To view not change the SETUP parameters push the ENTER key when the security code reads 000 5 2 2 Clearing the Calibration security code from the display The calibration security code automatically resets from 11 to 000 after you return to Measurement mode so you do not need to clear the ...

Страница 16: ...conceal the security code you must manually reset the code To clear the Advanced Setup security code from the display 1 Press the ENTER key in the Measurement mode 2 Set to any security code not 11 or 22 and complete by pressing ENTER NOTE When you enter the Calibration mode with code 11 or Advanced Setup mode with security code 22 the unit automatically enters into the HOLD mode until you return ...

Страница 17: ...le The probe is allowed to equilibrate in a solution containing 8 24 mg l of dissolved oxygen The CAL indicator flashes at the top right hand corner When reading is stable the READY annunciator comes on Use the or keys to adjust the displayed value to the correct value Press ENTER key to accept the value and the controller displays the status of the probe 4 For Two Point Calibration calibration is...

Страница 18: ...de from the Advanced Set up mode the controller will return to the sub function menu NOTE If there is a calibration error the controller displays ERR If this happens push both the or keys escape to restart the calibration beginning from Step 1 NOTE When calibrating with manual temperature compensation the controller automatically changes from the preset process temperature to the calibration tempe...

Страница 19: ...ot accept the high level calibration and retains the previous calibration values 6 After calibration to a second value this controller will automatically display condition of the probe in the upper display and the temperature in the lower display You can view these values without calibration see section 5 1 1 for instruction The probe condition is re determined after each calibration 7 Press the E...

Страница 20: ...cation type consider a full calibration or even electrode replacement 2 Take a sample from the system Record the controller s Dissolved Oxygen reading at the time the sample was taken 3 Measure the Dissolved Oxygen of your sample using a calibrated Dissolved Oxygen hand held meter or bench meter For a list of Eutech Instruments DO hand held meter refer to section on Accessories 4 Record the correc...

Страница 21: ...splayed 4 Press the or keys until the salinity value between 0 0 ppt and 50 0 ppt coincides with the correct salinity value 5 Press the ENTER key to accept the Salinity value The controller automatically corrects for the final Dissolved Oxygen measurement 6 Proceed to Section 7 3 to input the Pressure values or return to Measurement mode by pressing the or keys escape simultaneously 7 3 Setting th...

Страница 22: ... not ATC is selected 4 Press the or keys to toggle between ATC on and off 5 Proceed with additional Advanced Set up procedures press ENTER again or return to Measurement mode by pressing the or keys escape simultaneously 7 4 2 Temperature calibration ATC mode only 1 Select ATC on as described above in Section 7 4 1 2 Press the ENTER key The upper display indicates the current temperature offset Th...

Страница 23: ...icate process temperature 3 Press the or keys to adjust the process temperature value You can adjust the value from 9 9 to 125 C 4 After you set the process temperature value press the ENTER key The upper display shows the current calibration temperature and the lower display shows C C to indicate calibration temperature 5 Press the or keys to adjust the calibration temperature value You can adjus...

Страница 24: ...oller will activate at the value you select 4 Press the ENTER key to confirm your selection 5 Proceed to 7 5 3 or return to Measurement mode by pressing the or keys simultaneously escape 7 5 3 Choosing High or Low Set points Select low activate controller when the dissolved oxygen value undershoots the set point select high activate controller when the value overshoots the set point Using both SP1...

Страница 25: ...value and the lower display shows HYS 3 Press the or keys to enter your hysteresis value for Set point 1 Set point 2 Your controller will activate at the value you select Note All settings for SP1 and SP2 are completely independent of each other 4 Press the ENTER key to confirm your selection 5 Proceed to 7 5 5 or return to Measurement mode by pressing the or keys simultaneously escape NOTE Please...

Страница 26: ...ur relay deactivates 1 Follow directions in 7 5 1 to enter Control Relay mode If you are in this mode skip to step 2 2 Press the ENTER key Scroll with the or keys until the upper display shows 0 time and the lower display shows OF d 3 Press the or keys to enter on delay time for Set point 1 Set point 2 Your controller will delay activation for the number of seconds 0 to 1999 you select 4 Press the...

Страница 27: ...E EE EE FF PLC 100 100 10 0 60 PF C HOLD SETUP f pf 7 6 2 Choosing the controller type limit or proportional This mode lets you choose your controller type limit control pulse length proportional control pulse frequency proportional control or control off Use limit control with pumps or values for fast response Use pulse frequency proportional control to operate your pumps smoothly Use pulse lengt...

Страница 28: ...or energised EN 3 Press the or keys to choose de energised or energised relay state 4 Press the ENTER key to confirm your selection 5 Continue with Advanced Set up mode procedures or return to Measurement mode by pressing the and keys simultaneously escape 7 6 4 Selecting Proportional Range Value Xp Note If the controller type oFF is set the parameters listed in 7 6 3 7 6 4 and 7 6 5 are blanked o...

Страница 29: ...pper display shows your current pulse length You can select any value from 0 5 to 20 seconds 4 In PFC pulse frequency mode The lower display shows F PF to indicate pulse frequency The upper display shows your current maximum pulse rate You can select any value from 60 to 120 pulses per minute When the measured value exceeds the Proportional Band in 7 4 4 the controller will pulse the relay at this...

Страница 30: ...low directions in 7 7 1 to enter Current Output mode 2 Press the or keys to select your output type 0 20 or 4 20 mA 3 Press the ENTER key to confirm your selection 4 Proceed to 7 6 3 or return to Measurement mode by pressing the and keys simultaneously escape 7 7 3 Selecting Dissolved Oxygen Value at 0 4 mA This parameter lets you choose the Dissolved Oxygen value at which the transmitter output w...

Страница 31: ...lt is 8 00mg l or 100 4 Press the ENTER key to confirm your selection and return to Advanced Set up mode or return to Measurement mode by pressing the and keys simultaneously escape 7 8 Configuration ConF sub function This group of parameters lets you configure the controller to suit your requirements HOLD HOLD HOLD mg l HOLD HOLD HOLD SETUP SETUP SETUP SETUP SETUP SETUP C F 0 u S Y 0 40 Al o Al C...

Страница 32: ... to 1999 seconds 1 Follow directions in 7 8 1 to enter Configuration mode 2 Press the ENTER key Scroll with the or keys until the upper display shows a numerical value in seconds and the lower display shows AL d 3 Press the or keys to select how long of an alarm delay 0 to 1999 seconds you want 4 Press the ENTER key to confirm your selection 5 Proceed to 7 8 4 or return to Measurement mode by pres...

Страница 33: ...ge 0 40 0 5 to 40 ppm measurement range 3 Press the or keys to select 0 10 or 0 40 ppm range 4 Press the ENTER key to confirm your selection 5 Proceed to 7 8 6 step 3 or return to Measurement mode by pressing the or keys simultaneously escape 7 8 6 Reverting to Factory Default Settings Use this parameter to reset all settings to factory default Changing from no to YES and pressing the ENTER key re...

Страница 34: ...is identical to the procedure in the Calibration mode The only difference is that the controller will revert back to Set up mode instead of Measurement mode after calibration is completed 7 9 1 Entering Calibration mode from Advanced Set up mode 1 Enter Advanced Set up mode Push the ENTER key and scroll to Advanced Set up security code 22 Push the ENTER key again 2 Press the or keys to scroll unti...

Страница 35: ...ou can manually turn on and off the control devices connected to Relay A or Relay B or both 1 Press the RELAY CONTROL auto manu key The upper display shows 000 the lower display shows S Cd to prompt you to enter the Advanced Set up code 2 Press the or keys to scroll the upper display until it reads 22 3 Press the ENTER key The manual indicator by the RELAY CONTROL key lights up Note Pressing ENTER...

Страница 36: ...h relays press the RELAY SELECTION key at this point and repeat step 5 for the second relay This first relay will remain under manual control while you are setting the second relay 8 Press the RELAY CONTROL key to return to Measurement mode The relays are now back under automatic control ...

Страница 37: ...utomatic correction Set point and Controller Functions Controller characteristics Limit proportional pulse or frequency controller Adjustable period with pulse length controller 0 5 to 20 sec Adjustable period with pulse frequency controller 60 to 120pulses min Pickup Dropout delay 0 to 1999 sec Switching D O hysteresis 0 1 to 1 0 mg l or 0 to 10 0 Contact outputs controller 2 potential free chang...

Страница 38: ... Accessories Product Description Code No General Purpose DO probe 0 20 ppm with integrated Pt 100 ECDOGEN S Maintenance Kit for ECDOGEN S consisting of 480 ml of electrolyte for DOGEN membranes Set of 5 tool for membrane housing and O rings Set of 5 ECDOGENKIT S 60 ml electrolyte for DOGEN S 01X211239 Membranes Set of 5 for DOGEN S 01X241605 Low Oxygen concentration DO probe 0 10 ppm with integrat...

Страница 39: ...acle cable lug 1 unit rubber gasket 1 unit 11 3 Return of Goods Authorisation must be obtained from Eutech Instruments Customer Service Dept to issue a RGA Return of Goods Authorisation number before returning items for any reason When applying for authorisation please include data requiring the reason of return Items must be carefully packed to prevent damage in shipment and insured against possi...

Страница 40: ...volts Jumper Positions Internal to the controller JP 1 Selects the input voltage 220 VAC JP 2 Selects the input voltage 110 VAC Fuse Note that there is a fuse slow blow 100mA internal to the controller Replace fuse with the recommended type only View from the top of Main PCB Jumper setting for 110 or 230 volts Front with LCD Rear 110 VAC JP2 230 VAC Transformer JP1 Fuse ...

Страница 41: ... 9 8 9 2 10 50 0 11 3 10 7 10 1 9 6 9 0 11 51 8 11 0 10 5 9 9 9 4 8 8 12 53 6 10 7 10 3 9 7 9 2 8 6 13 55 4 10 5 10 1 9 5 9 0 8 5 14 57 2 10 3 9 9 9 3 8 8 8 3 15 59 0 10 1 9 7 9 1 8 6 8 1 16 60 8 9 8 9 5 9 0 8 5 8 0 17 62 6 9 6 9 3 8 8 8 3 7 8 18 64 4 9 4 9 1 8 6 8 2 7 7 19 66 2 9 2 8 8 8 5 8 0 7 6 20 68 0 9 1 8 7 8 3 7 8 7 4 21 69 8 8 9 8 6 8 1 7 7 7 3 22 71 6 8 7 8 4 8 0 7 6 7 1 23 73 4 8 6 8 3 ...

Страница 42: ...Y OFF HYSTERESIS BAND FORWARD DIRECTION REVERSE DIRECTION SP1 SP2 RELAY ON SP2 Set to HI mS The controller relay activates when the set point is reached In the reverse direction it does not de activate when the value reaches the set point Instead it continues to be active till the value reaches the amount set by the Hysteresis band ...

Страница 43: ...Functions MIN Function MAX Function Xp Prop Band Xp Prop Band SP 1 SP 2 Xw Xw Yh 0 50 100 Control characteristic of P Controllers as proportional controller MIN Function MAX Function Xp 0 Xp 0 SP 1 SP 2 Xw Xw Yh 0 50 100 Control characteristic of P Controllers as limit value switch ...

Страница 44: ...Eutech Instruments distributor or visit our website listed below Manufactured by Eutech Instruments Pte Ltd Blk 55 Ayer Rajah Crescent 04 16 24 Singapore 139949 Tel 65 6778 6876 Fax 65 6773 0836 E mail marketing eutechinst com Web site http www eutechinst com DISTRIBUTED BY ...

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