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Burkert 8205, Руководство пользователя

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8205

E-15-

pH CONTROLLER 8205

!

Warning: Check the position of the power supply selection switch, before starting
the device (fig 3.3).

3 INSTALLATION

3.2.4  Electrical wiring 8205 wall-mounted 12-30 VDC

Open the cover to  access to the terminals. Wire according to the following figure.

Fig 3.9 115..230 VAC Power supply

RELAY

115/230 VAC

Rel Alarm

Rel Alarm

Output 1

Output 1

Output 2

Output 2

PE

N

L1

PLC

3.2.5 Electrical wiring 8205 wall-mounted 115-230 VAC

Open the cover  to access to  the terminals. Wire according to the following figure.

RELAY

SPARE

PLC

POWER 12/30VCC

Fig 3.8 12..30 VDC Power supply

Spare

Spare

Spare

Output (4-20 mA)

L+ (12-30 VDC)

L- (12-30 VDC)

Rel Alarm

Rel Alarm

Output 1

Output 1

Output 2

Output 2

Spare

Spare

Spare

Spare

Spare

Spare

Output (4-20 mA)

L+ (12-30 VDC)

L- (12-30 VDC)

Connect the pH sensor to the coaxial connector on the electronic board.
Use the cable gland reducer for the pH cable.

black

Pt1

brown

Pt2

white

쓔

blue

Pt1000

black

Pt1

brown

Pt2

white

쓔

blue

Pt1000

Содержание 8205

Страница 1: ... Controller Operating and Control Elements E 16 4 2 Operation Mode Display E 17 4 2 1 Working rates control E 17 4 2 2 HOLD Function E 18 4 2 3 Calibration of pH Electrode E 18 4 3 Calibration Mode E 19 4 3 1 Language E 19 4 3 2 Temperature Units E 20 4 3 3 Output Current E 21 4 3 4 Output Signal 1 E 22 4 3 5 Output Signal 2 E 23 4 3 6 Setpoint adjustment E 24 4 3 7 Control Mode Selection E 25 4 3...

Страница 2: ...ry Onlyproperly trainedstaffshouldinstalland or repair this product If difficulties should occur at the time of installation please contact your nearest Bürkert sales office for assistance 1 3 User s Responsibility for Safety Bürkert manufactures a broad range of pH controllers compact wall mountedorpanel versions While each of these products is designed to operate in a wide variety of application...

Страница 3: ... x PG 13 5 2 x G 1 2 Controller Gasket Electrode Worlwide Ident N N America Ident N 8205 FPM GLS 426440S 426470Y 8205 FPM STE 426441P 426471M 8205 FPM LEI 426442Q 426472N 8205 FPM SCH 426443R 426473P 8205 FPM HOL 426444J 426474Q 8205 EPDM GLS 426445K 426475R 8205 EPDM STE 426446L 426476J 8205 EPDM LEI 426447M 426477K 8205 EPDM SCH 426448W 426478U 8205 EPDM HOL 426449X 426479V pH controller compact...

Страница 4: ...y Order Nr 8205 Relays 12 30 VDC 427939K 8205 Triacs 12 30 VDC 427940Y 8205 Transistors 12 30 VDC 427941M pH controller type 8205 wall mounted version Type Pulse output Power Supply Order Nr 8205 Relays 12 30 VDC 427946J 8205 Triacs 12 30 VDC 427947K 8205 Transistors 12 30 VDC 427948U 8205 Relays 115 230 VAC 427951P 8205 Triacs 115 230 VAC 427952Q 8205 Transistors 115 230 VAC 427953R pH sensor for...

Страница 5: ...t signals The pulse output signals are provided by relays standard triacs or transistors Controlling Principle The pH controller type 8205 is designed for use in static or dynamic process of pH control The output signals control a valve e g Bürkert Type 2031 or a pump by means of impulses which times duration or frequency is computed according to users parameters and pH value of the fluid See 4 3 ...

Страница 6: ...CONTROLLER 8205 2 4 Dimensions of the pH controller type 8205 compact PG 13 5 Version STANDARD WORLWIDE See 2 1 Version NORTH AMERICA See 2 1 G 1 2 Fig 2 3 Dimensions pH controller type 8205 compact 2 SPECIFICATION ...

Страница 7: ...7 pH CONTROLLER 8205 2 SPECIFICATION covering strip covering strip Fig 2 4 Dimensions pH controller type 8205 panel version 1 cable gland reducer Fig 2 5 Dimensions pH controller type 8205 wall mounted version ...

Страница 8: ...quency and time duration adjustable outputs Relay Pulse Output 3 A 250 V max F 1 Hz Transistor Pulse Output 300 mA 30 V max F 17 Hz Triac Pulse Output 1 A 250 V max F 17 Hz Pt1000 SS 1 4571 Ti 316 Control Mode P PI or PID programmable Sensor housing PVDF O rings FPM EPDM Electronics housing PC front plate polyester Technical Data Electrodes GLS STE Housing glass shaft glass shaft Fluid pressure 0 ...

Страница 9: ...justable outputs Relay Pulse Output 3 A 250 V max F 1 Hz Transistor Pulse Output 300 mA 30 V max F 17 Hz Triac Pulse Output 1 A 250 V max F 17 Hz Control Mode P PI or PID programmable pH sensor type 8200 guide see pH sensor 8200 reference manual Ref 428937J Technical Data Electrodes Easycontrol Liq Glas PG Measuring range 0 14 1 12 Housing glass shaft glass shaft Fluid pressure 0 2 bar 0 2 bar Flu...

Страница 10: ...Mount the compact pH controller or pH sensor in vertical position max 75 into a horizontal pipe cf fig 3 1 The electrode must continuously be immersed into the measuring fluid in order toprotectitfromdryingout Thedevicemust be protected from constant heat radiation and other environmental influences such as direct exposure to sunlight 1 The fitting must be installed into the pipe according to the ...

Страница 11: ...panel cut away 2 Screw the spacer bolts on the panel fixing screws 3 Insert the cable clips to hold the different cables power supply outputs sensor of the controller into plate 4 If a PLC is connected to the device set the switch SW300 cf 3 2 5 Plug connector on socket and fasten plate with screws on bolts tightening the lockwashers 3 1 3 pH controller type 8205 panel installation Fig 3 2 Install...

Страница 12: ...signal andmustnotbeinstalledincombination with high voltage or high frequency carrying lines If a combined installation cannot be avoided either keep a min space of 30 cm approx 1 ft or use shielded cables When using shielded cables observe faultless grounding of the shield For normal operating conditions the 4 20 mA output and relays signals can be transmitted by a simple cable of 0 75 mm2 In cas...

Страница 13: ...or triac or transistor Position A 0V V 4 20 mA L 8205 L 8205 V L 4 20 mA 0V L Position B 9 8 10 9 8 10 SPS SPS 3 INSTALLATION 3 2 2 Connection pH controller type 8205 compact The electrical wiring ensues via 2 cable glands Remove the cover pull the cable through the cable gland and wire according to pin assignment Fig 3 3 and accordingtotransistorsignaloutput 1 Current output 4 20 mA 2 L 12 30 VDC...

Страница 14: ... connection Pulse Output relay standard or triac or transistor 3 2 3 pH controller type 8205 panel The electrical wiring ensues via 2 cable glands Remove the cover pull the cable through the cable gland and wire according to pin assignment Fig 3 6 and accordingtotransistorsignaloutput 1 Current output 4 20 mA 2 L 12 30 VDC 3 L GND 4 Earth earth lug 5 Output 1 Base 6 Output 1 Base 7 Output 2 Acid 8...

Страница 15: ... L1 PLC 3 2 5 Electrical wiring 8205 wall mounted 115 230 VAC Open the cover to access to the terminals Wire according to the following figure RELAY SPARE PLC POWER 12 30VCC Fig 3 8 12 30 VDC Power supply Spare Spare Spare Output 4 20 mA L 12 30 VDC L 12 30 VDC Rel Alarm Rel Alarm Output 1 Output 1 Output 2 Output 2 Spare Spare Spare Spare Spare Spare Output 4 20 mA L 12 30 VDC L 12 30 VDC Connect...

Страница 16: ... working rates are displayed in the normal function mode The HOLD function and electrode calibration function PH CALIB can be accessed in this menu see 4 2 Calibration Menu The calibration mode allows adjustments of language units 4 20 mA output output frequencies and impulse durations pH setpoint adjustment regulation principle P PI PID alarm thresholds manual display selection temperature compen...

Страница 17: ...unction HOLD HOLD function quick blincking PH CALIB Calibration of the pH electrode signal PH 12 60 10 32 mA Output signal 4 20 mA proportional to the pH or temperature value 4 2 1 Working rates control function Allow the current working rates to be checked for output 1 Base and output 2 Acid If the HAND option is enabled see 4 3 9 the change of percentage rates is allowed in this sub menu by pres...

Страница 18: ...electrode 1 or 2 measuring points calibration methods are available 1 measuring point method enables a quick control calibration with pH 7 buffer solution 2 measuring points method enables a precise calibration of zero and slope of the pH electrode 2 buffer solutions are required The first solution is usually pH 7 Use the second buffer solution as close as possible of the assumed final pH value Be...

Страница 19: ...alibration values are kept The message WARNING at the end of calibration indicates a buffer solution error or advanced ageing of the electrode In this case a change of electrode must be foreseen The message ERROR at the end of calibration indicates a buffer solution error or that the electrode is out of tolerances In this case values of previous calibration are kept The electrode must be changed o...

Страница 20: ... Selection of output signal 1 impulse duration or frequency Selection of output signal 2 impulse duration or frequency Adjustement of 2 setpoint for pH control high low or high very high CONTROLL Selection of the pH control mode P PI PID Adjustement of 2 alarm thresholds for pH or temperature high low or high very high Manual operation selection Back to the operation mode and storage of new parame...

Страница 21: ...iated to 4 20 mA The beginning of the measuring range might be larger than the end of it e g 2 to 12 pH corresponds to 20 4 mA inverted output signal CURRENT RELAY Enter the beginning of the measuring range End of the measuring range 0 9 0 9 ENTER ENTER m A PH m A C 4 00 00 4 02 00 20 00 00 20 12 00 ENTER ENTER If the beginning of the measuring range equals the end of it there will be no display o...

Страница 22: ...uency selection PWM1 Set the frequency of the logic output signal activation OUTPUT 1 OUTPUT 2 PWM 1 T1 000 0S OUTPUT 2 000 MIN 012 MIN T1 012 3S T1 000 0S T1 001 5S T1 s 0 02 s x F1 60 Internal checking of this condition is provided If this is not the program returns to T1 selection until complying with the required condition Impulse Duration T1 Impulse Frequency F1 Impulse Duration T1 PULSE 1 4 ...

Страница 23: ...am returns to T2 selection until complying with the required condition Impulse Duration T2 s Impulse Frequency F2 Impulse Duration T2 s 4 3 5 Output 2 Acid Select the controller output 2 logic signal Impulse time selection PULSE 2 Set the duration of each impulse and the maximum frequency of the output signal Impulse frequency selection PWM2 Set the frequency of the logic output signal activation ...

Страница 24: ...etpoint 2 S2 Set the high limit of the pH regulation curve Limit 2 L2 Set the high bow of the pH curve 4 OPERATION If the condition 1 is not fullfilled the menu points on L1 3 00 Valuble values have to be selected before leaving the menu ENTER ENTER 0 9 ENTER ENTER 0 9 L1 S1 S2 L2 pH L1 03 00 L1 03 50 L2 11 00 L2 10 50 Volume 0 9 S1 06 0 S1 06 50 ENTER 0 9 S2 07 00 S2 07 50 SETPOINT REACTIVE CONTR...

Страница 25: ...OPERATION CONTROLL STATIC DYNAMIC CONTRL2 Proportional factor Proportional factor Respectively KP2 TN2 TV2 if CONTRL2 selected Derivative factor Integral factor BASE BASE ACID If TV1 0 0 then control mode is PI CONTRL2 CONTRL1 ACID CONTRL1 CONTROLL 0 9 ENTER ENTER 0 9 0 9 TN1 1 0 TN1 2 0 TV1 1 1 ENTER ENTER 0 9 KP1 1 00 KP1 7 00 KP1 1 00 KP1 27 00 0 9 ENTER ENTER ENTER TV1 1 1 CONTROLL ...

Страница 26: ...s with agitator If the pH or T exceeds a threshold the controller awaits the delay before activating the relay No alarm will be provided if the measured pH or T returns to a normal value before the delay is elapsed Caution The following condition must be maintained MIN MAX and pH 0 2 or T 2 C OPEN MANUAL Delay Delay Delay closed open ALARM ENTER ENTER 0 9 ENTER ENTER ENTER 0 9 ENTER 0 9 pH T min m...

Страница 27: ...lection Select the Hand display mode to allow the manual entry of percentages values of base and acid outputs 4 3 10 Temperature CompensationMode If the Pt1000 is not used for temperature acquisition select SENSOR NO and enter the temperature of the fluid NO FILTER FILTER SENSOR T NO YES SENSOR T YES HAND ...

Страница 28: ...alue to be simulated The outputs are reacting according to this input Electrode voltage display 0 9 ENTER T ADJUST OFFSET Zero point compensation 4 mA Span compensation 20 mA Return to the operation mode and storage of new parameters for OFFSET and SPAN and T adjustment If one of the values is erroneous the device points on OFFSET and new values must be entered 4 4 Test Menu Press simultaneously f...

Страница 29: ...es 20 mA if the ENTER key is pressed when OFFSET is displayed Correct the span value by entering the measured value if necessary Enter the measured value 0 9 ENTER ENTER SPAN T ADJUST The temperature adjustment remains active until another value is entered The temperature adjustment is not valid with manual temperature compensation mode 4 4 3 Temperature adjustment The temperature value issued fro...

Страница 30: ... electrode voltage 5 MAINTENANCE 5 1 Replacement of the pH electrode compact controller only pH electrodes have a limited service life depending upon many parameters such as the chemical composition of the handled fluid temperature pressure etc The electrode must be replaced if it shows visible damage broken glass fractures etc or if the messages WARNING or ERROR are displayed at the end of calibr...

Страница 31: ...sy or oily deposits must be removed with a tenside containing agent Chalky deposits and metal hydroxide layers require diluted hydrochloric acid 10 Sulphide containingdeposits purificationsystems areremovedwithadetergentmixture of diluted hydrochloric acid 10 and saturated pepsin For very slow pH electrodes dip the electrode for 1 minute into a 2 HF and 5 HCL solution and rinse thoroughly Observe ...

Страница 32: ...14 respectively pH 0 are fixed Electrode voltage 575 mV ou 575 mV PH and mV are displayed For the outputs current and relays pH 0 respectively pH 14 are fixed Power failure In case of power failure the display turns off 4 20 mA and pulse output to 0 alarm relays open When the power supply is turned on the controller is set to the previous configuration and the measure goes on Language English Temp...

Страница 33: ...are 426492B 3 PG 13 5 Worldwide version 418339Q 4 PG 13 5 North America version G 1 2 418340M 5 Ring 619205L 6 Union nut 619204K 7 pH electrode 0 90 C 0 6 bar LEI cf 2 4 418341A pH electrode 0 40 C 0 2 bar SCH 418343C pH electrode 0 90 C 0 6 bar HOL 420101Z 8 pH electrode 0 90 C 0 6 bar GLS 634505Y 9 pH electrode 0 130 C 0 3 bar STE 634506Z 10 Electrode housing with Pt 1000 stainless steel 418889Z...

Страница 34: ...E 34 8205 pH CONTROLLER 8205 5 MAINTENANCE Fig 5 2 Spare parts explosion drawing pH controller type 8205 compact version ...

Страница 35: ...ware 2 Cover with screws front panel and electronic card with triacs 426491A and software 2 Cover with screws front panel and electronic card with transistors 426492B and software 3 Gasket 419350Q 4 Protective plate 427100X 5 Mounting accessories screws lockwashers spacer bolts cable clips 418388A Instruction manual 426493C Fig 5 3 Spare parts explosion drawing pH controller type 8205 panel versio...

Страница 36: ...tware 426987B 7 Electronic card 8205 wall mounted with transistors and software 426488L 7 Electronic card 8205 wall mounted with triacs and software 426989M 8 Power card 12 30 VDC 426976P Power card 230 115 VAC 426975N 9 Connection cable between power card and electronic card 420403Y 10 Complete IP65 enclosure 418389B Instruction manual 426493C 5 5 3 Spare parts pH controller type 8205 wall mounte...

Страница 37: ...nge Characteristic Step response Characteristics Theoretically a pure P controller operates without delay i e it is fast and therefore dinamically favorable It has a lasting system deviation i e it does not balance out the effects of disturbances completely and is therefore relatively unfavorable from the static point of view I component Function Y ƒ Xd dt Ti ist the integration or manipulating ti...

Страница 38: ... P controller and tends to oscillate Therefore it is relatively unfavorable from the dynamic point of view D component Function Y Kd Kd ist the derivative action coefficient The higher Kd is the stronger the D influence is APPENDIX Step response Characteristics A controller with a D component reacts to changes in the controlled variable and is accordingly capable of dissipating occurring deviation...

Страница 39: ...set time the time needed to achieve the same manipulated variable change by the I component as is produced as the result of the P component Tv Derivative action time the time to achieve a specific manipulated variable on the basis of the D component earlier than when using a pure P controller APPENDIX 1 Ti d Xd dt 1 Tn d Xd dt Kd Kp t t X Y Xd Tn Reset time D component I component P component Step...

Страница 40: ...ow whether it is intented to balance out a disturbance change or a command variable change Adjustment rules according to Ziegler and Nichols oscillation method When using this method controller parameters are adjusted on the basis of the control loop s response at the stability limit In doing so the controller parameters are adjusted so as to ensure that the control loop begins to oscillate A conc...

Страница 41: ...pulated variable methode When using this method the controller parameters are adjusted on the basis of the control system s transition response A 100 change in the manipulated variable is output The time Tu and Tg are derived from the progression of the actual value of the control variable following figure Ks is the proportional action coeffficient of the control system APPENDIX t X Tu Tg KS Y X t...

Страница 42: ...ation with 20 overshoot They apply to systems with a P response with a dead time and with a delay of the 1st order Parameter settings according to Chien Hrones and Reswick Parameter settings Controller type Aperiodic control operation Control operation with 0 overshoot 20 overshoot Command Disturbance Command Disturbance P controller KP 0 3 Kp 0 3 Kp 0 7 Kp 0 7 PI controller Kp 0 35 Kp 0 6 Kp 0 6 ...

Страница 43: ...1453 73 13 53 Fax 44 0 1453 73 13 43 Hong Kong Burkert Contromatic China HK Ltd Unit 708 Prosperity Centre 77 81 Container Port Road Kwai Chung N T Hong Kong Tel 852 248 012 02 Fax 852 241 819 45 Italy Bürkert Contromatic Italiana S p A Centro Direzionale Colombirolo Via Roma 74 I 20060 Cassina De Pecchi MI Tel 39 02 959 071 Fax 39 02 959 07 251 Japan Bürkert Contromatic Ltd 3 39 8 Shoan Suginami ...

Страница 44: ...otte North Carolina 28270 Tel 1 704 367 11 73 Fax 1 704 367 11 74 USA North East Burkert Contromatic Corp 7173 Thermal Road Charlotte North Carolina 28211 Tel 1 704 366 21 41 Fax 1 704 366 24 28 USA West Burkert Contromatic Corp 4449 East Bradford Orange CA 92867 Tel 1 714 637 26 39 Fax 1 714 637 21 62 USA Mid West Burkert Contromatic Corp 6245 Kincora Court Cincinnati OH 45233 Tel 1 513 941 34 78...

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