Thermo Scientific ALPHA DO 2000 PG POLAROGRAPHIC DISSOLVED OXYGEN CONTROLLER TRANSMITTER Скачать руководство пользователя страница 51

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Instruction manual

Alpha

DO 2000

11.4 Appendix 4 – General Instructions Concerning

Controller Setting

Control characteristic of Controllers used as limit value switch

Xp = 0

50%

100%

-Xw

+Xw

SP 2

SP 1

MIN function

MAX function

Control characteristic of P-Controllers as proportional controller

50%

100%

-Xw

+Xw

Prop. band

SP 2

SP 1

MIN function

MAX function

Содержание ALPHA DO 2000 PG POLAROGRAPHIC DISSOLVED OXYGEN CONTROLLER TRANSMITTER

Страница 1: ...Alpha DO 2000 PPG Processor Transmitter Dissolved Oxygen ppm m L...

Страница 2: ...k ROSS Resolution SAOB SMART AVERAGING Smart CheK SMART STABILITY Stacked Star Navigator 21 Stat Face The Enhanced Lab ThermaSense Triode TRIUMpH Unbreakable pH Universal Access are trademarks of Ther...

Страница 3: ...f the Alpha DO 2000 as possible If you have any doubts concerning the use of the instrument please do not hesitate to contact your nearest Alpha Authorised Distributor The information presented in thi...

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Страница 5: ...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 su...

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Страница 7: ...n Mode 14 5 2 Calibration 15 5 2 1 One Point Calibration 15 5 2 2 Two Point Calibration 16 5 3 View Probe Condition 18 6 Setup Mode 19 6 1 Enter Setup Mode 19 6 2 Electrode Offset Settings OFS 20 6 3...

Страница 8: ...38 10 4 Guidelines for returning unit for repair 38 11 Appendices 39 11 1 Appendix 1 Replacing Fuse 40 11 2 Appendix 2 Dissolved Oxygen Values 41 11 3 Appendix 3 Simple Explanation on the Function of...

Страница 9: ...nal information and instructions which if neglected could lead to inefficient operation and possible loss of production The instruction manual must always be stored close at hand in a place accessible...

Страница 10: ...iar with the transmitter and who are qualified for such work Make sure the mains cable is separated from the power supply before opening the unit No modifications to the Alpha DO 2000 are allowed The...

Страница 11: ...Manual temperature compensation setting without the ATC probe with independent setting for calibration and process temperature Two galvanically isolated current outputs 0 4 20mA 0 to 1999 seconds tim...

Страница 12: ...itter a dissolved oxygen sensor with integrated or separate temperature sensor an appropriate measurement cable an immersion flow or process assembly a final control element such as pump or valve a ch...

Страница 13: ...Instruction manual Alpha DO 2000 2 3 Overview Wall mounting version Panel mounting version 5...

Страница 14: ...larm indicator 2 3 2 Key Functions Key Description Enter Calibration mode requires access code Enter Setup mode requires access code Access sub functions parameters within a function group of Setup mo...

Страница 15: ...red if measured value exceeds limit for Relay A LED lights green if measured value is within the limit for Relay B LED lights red if measured value exceeds limit of Relay B LED lights if cleaning cycl...

Страница 16: ...HOLD HOLD HOLD C Temperature settings see section 6 3 Relay A set point 1 settings see section 6 4 Relay B set point 2 settings see section 6 4 Controller settings see section 6 5 Current output 1 set...

Страница 17: ...94 57 8 2 28 For Pg13 5 cable glands Holes for wall mounting 2X 21 5 85 6 24 66 5 2 62 80 3 15 90 3 54 90 3 54 Holes for post mounting 4X Red Plugs for wall mounting holes enclosure 2X 175 6 88 175 6...

Страница 18: ...Instruction manual Alpha DO 2000 Panel mount version Flat gasket 1mm 04 to be inserted by customer Panel cut out Unit MM INCH Environmental protection class IP 54 front IP 40 housing 10...

Страница 19: ...C 23 DO input Cathode 7 Wash relay 24 Temperature T2 8 Wash relay 25 Temperature N C 9 Relay B SP 2 26 Temperature T1 10 Relay B SP 2 28 4 20 mA temperature output ve 11 Relay A SP 1 29 4 20 mA temper...

Страница 20: ...ut Cathode 7 Wash relay 24 Temperature T2 8 Wash relay 25 Temperature N C 9 Relay B SP 2 26 Temperature T1 10 Relay B SP 2 28 4 20 mA temperature output ve 11 Relay A SP 1 29 4 20 mA temperature outpu...

Страница 21: ...he temperature value in C or F MEAS C ATC 100 0 READY 25 0 The annunciators mg l or ppm at the upper right side of the display indicate the current measurement mode setting whether the transmitter is...

Страница 22: ...ou to enter the calibration security code CCD Press or key to set the calibration security code to 11 and then press ENT key to confirm the calibration security code If ENT key was pressed The display...

Страница 23: ...ult If 2 PT CAL is shown use or keys to select one point 1 PT CAL Press ENT key to confirm the 1 point selection 3 Press or key to set the relative humidity Press ENT key to confirm 4 Press or key to...

Страница 24: ...rocess temperature see section 6 3 5 2 2 Two Point Calibration SETUP CAL HOLD 0 0 Y e s 7 ENT SETUP CAL HOLD N O 7 SETUP SETUP SETUP SETUP HOLD HOLD HOLD CAL HOLD 1 PT 2 PT CAL CAL Rh 1 0 0 DO CAL ENT...

Страница 25: ...r air The temperature compensated sensor current in nA for the second point will be displayed The CAL and electrode symbol start flashing Once the reading stabilizes the flashing symbols disappear and...

Страница 26: ...T CAL DO CAL 3 CAL ENT 1 While in Measurement mode press CAL key 2 The display prompts you to enter the calibration security code CCD Leave the security code at 000 view only mode Press ENT key 3 The...

Страница 27: ...ection 6 6 Current output 2 settings see section 6 7 Wash relay settings see section 6 8 Calibration see section 6 10 SETUP HOLD Configuration settings see section 6 9 OFS 13 0 DO Offset settings ENT...

Страница 28: ...or key to select NO or YES for offset adjustment Select NO OFS to skip offset adjustment and move to the next step Select YES OFS to perform offset adjustment Press ENT key to confirm your selection I...

Страница 29: ...mperature Press or key to adjust the process temperature in the upper display value setting range 9 9 to 125 C 15 to 257 F Press ENT key to confirm process temperature 5 Setting the calibration temper...

Страница 30: ...e relay when the dissolved oxygen value undershoots the low set point select HI to activate the relay when the value overshoots the high set point SP1 and SP2 can be selected as Lo Lo Lo Hi Hi Lo or H...

Страница 31: ...ay time for set point 1 The controller will delay deactivation of the relay for the number of seconds 0 to 1999 seconds you select Press ENT key to confirm your setting NOTE You can set a time delay f...

Страница 32: ...DO controller SETUP SETUP HOLD HOLD SETUP HOLD SETUP SETUP SETUP SETUP SETUP SETUP SETUP SETUP HOLD HOLD HOLD HOLD HOLD HOLD HOLD SETUP SETUP SETUP HOLD HOLD HOLD SETUP HOLD SETUP HOLD SETUP HOLD SET...

Страница 33: ...n Alarm condition REL Press or key to choose the desired relay status de energized DEEN or energized EN Press ENT key to confirm your selection If the controller is set to proportional control P PI 4...

Страница 34: ...range setting range 10 to 500 Press ENT key to confirm your setting 11 Setting the pulse frequency F PF Press or key to set the pulse frequency setting range 60 to 120 pulses per minute Press ENT key...

Страница 35: ...ey to set the dissolved oxygen value to be equivalent to 4 mA or 0 mA respectively Press ENT key to confirm your setting 4 Setting the dissolved oxygen value at which the transmitter output will be 20...

Страница 36: ...m your selection 3 Setting the temperature value at which the transmitter output will be 4 mA or 0 mA Press or key to set the temperature value setting range 9 9 to 115 C or 15 to 237 F to be equivale...

Страница 37: ...Press or key to choose desired relay status de energized DEEN or energized EN Press ENT key to confirm your selection 4 Setting the wash interval in hours Press or key to set the desired wash interval...

Страница 38: ...isplay backlight Press or key to switch display backlight on BKLT ON or off BKLT OFF Press ENT key to confirm your selection 3 Setting the backlight intensity appears only If backlight is on Press or...

Страница 39: ...ettings to factory defaults when confirmed with ENT key CAL DEF resets all calibration settings to factory defaults when confirmed with ENT key Press ENT key to confirm your selection If NO DEF was se...

Страница 40: ...tch on relay mode LED Auto lights While in Measurement mode press the REL key The display shows the relay set point value for Relay A and LED A lights The mode of the relay set point will be with resp...

Страница 41: ...ol The display shows the current measured value in upper display and OFF or ON in lower display depending on the relay status of the currently selected relay If you selected Pulse length control The d...

Страница 42: ...matic correction Pressure Compensation 0 740 to 3 000 bar 555 to 2250 mmHg 10 73 to 43 51 PSI Manual setting and automatic correction Set point and Control Function Function Switchable Off Limit Contr...

Страница 43: ...max 3A Switching power max 600 VA Display LCD UV coat backlit 14 segments display with symbols for status information Back light On Off selectable with four levels of brightness control EMC Specificat...

Страница 44: ...hanical Specifications Dimensions L x H x W 144 x 144 x 110 mm Weight 950 g Material PBT Insulation NEMA 4X IP 65 8 3 Specifications for Panel Mount Version Electrical Data and Connections Power requi...

Страница 45: ...ccessories Product Description Order Code Amperometric Dissolved Oxygen Probe EC237150 Fermentation Dissolved Oxygen Probe EC237450 Membrane Kit for EC237450 EC237140 Electrolyte for EC237450 EC237118...

Страница 46: ...ulting from Improper or inadequate maintenance by customer Unauthorized modification or misuse Operation outside of the environment specifications of the products 10 2 Packaging Scope of delivery The...

Страница 47: ...he right to make improvements in design construction and appearance of products without notice 10 4 Guidelines for returning unit for repair Use the original packaging material if possible when shippi...

Страница 48: ...ppendix 1 Replacing Fuse Caution Before opening the unit to replace the unit fuse make sure the mains cable is separated from the power supply Wall mount version view from the backside Fuse 250V Left...

Страница 49: ...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...

Страница 50: ...00 mg l Set to LO SP2 6 00 mg l Set to HI Mg l 4 20 5 80 6 00 HYSTERESIS BAND Default 0 2 mg l HYSTERESIS BAND Default 0 2 mg l The controller relay activates when the set point is reached In the reve...

Страница 51: ...er Setting Control characteristic of Controllers used as limit value switch Xp 0 Xp 0 0 50 100 Yh Xw Xw SP 2 SP 1 MIN function MAX function Control characteristic of P Controllers as proportional cont...

Страница 52: ...following applies tON tOFF T Const greater divergence greater tON Xp exceeded tON T relay remains picked up Control signal of Pulse Frequency Controllers Relay ON tON tOFF Pulse Length T OFF Time s Th...

Страница 53: ...portional range Con Concentration PSI Ponds per square inch CU22 Out of range current 22mA REL Relay CUR 1 Output current 1 RH Relative humidity CUR 2 Output current 2 R 0 0 mA Output current DEEN Dee...

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Страница 56: ...ax 978 232 6031 Europe P O Box 254 3860 AG Nijkerk Wallerstraat 125K 3862 CN Nijkerk Netherlands Tel 31 033 2463887 Fax 31 033 2460832 Asia Pacific Blk 55 Ayer Rajah Crescent 04 16 24 Singapore 139949...

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