Hanna-instruments HI 504 Instrukcja Użytkownika

HI 504Panel-mounted,Microprocessor-basedpH/ORP Process ControllerInstruction Manual

1918• When the reading becomes stable, if the ORP value isclose to the calibration point, the “CFM” indicator startsblinking; otherwise the “WRONG” in

2120TEMPERATURE CALIBRATION• Prepare a beaker containingcrushed ice and water at 0°C (32°F)and another one with hot water at25°C (77°F) or 50°C (122°F

2322is exited (by pressing the CAL key).• When performing the second calibration point, it is pos-sible to choose between two values, 25°C and 50°C. P

2524• When the whole password has been in-serted, press CFM to confirm it.Note The default password is set at “0000”.ENTERING SETUP ITEMSAfter confirm

2726Note While in the setup mode, if no activity is performed for about5 minutes after entering the setup mode, the mode is auto-matically exited and

2928Code Valid Values Default Present for ORPC.51 Monday hold mode “OFF”: Disabled “OFF” ye

3130Code Valid Values Default Present for ORPO.24 Analog output 2 value upon “USEr”: User s

3332Code Valid Values Default Present for ORPSOLUTION COMPENSATION (“SOLC”)S.00 Solution co

3534Code Valid Values Default Present for ORPTEST (“tESt”)t.00 Display test “OFF”: To skip

3736if M2 = “PIdL” then D2 R A2 and -2.00 pH or -2000 mV R S2-A2;if M1 = “OOHI” and M2 = “OOLO” then S1-H1S S2+H2;if M1 = “OOLO” and M2 = “OOHI

3TABLE OF CONTENTSWARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4MODEL IDENTIFICATION . . . . . . . . . . . . . . . . . . . .

3938lecting “LE” for “level”) or with a pulse (by selecting “PULS”for “pulse”). The pulse length is fixed to about 5 seconds.(14): When the instrument

4140(29): Every SMS sent by the instrument requires a receptionconfirmation from the user (phone call to the instrument). Ifthis confirmation does not

4342In the first two cases the configuration of Setpoint (1 or 2)determines the operating mode of the relay. Once enabled,the control relay can be con

4544The following graph describes the pH process controller be-havior. Similar graph may apply to the mV controller.During proportional control the pr

4746TUNING A PID CONTROLLERThe proportional, integrative, derivative terms must be tuned,i.e. adjusted to a particular process. Since usually the pro-

4948An hysteresis will eliminate the possibility of continuous se-quences ‘energizing/de-energizing’ of the alarm relay whenthe measured value is clos

5150IN-LINE CLEANINGThe cleaning feature allows an automatic cleaning action ofthe electrodes. To perform cleaning, the controller activatesan externa

5352Note If a cleaning session is being performed, it is possible to stopit by pressing and holding the  and  keys together (key first) or throu

5554HOLD MODEThis function is started by:• calibration;• setup;• cleaning in place;• the hold digital insulated input1 when it is on; normally,the sig

5756ANALOG OUTPUTThe meter is provided with two insu-lated current outputs.It is possible to configure the operating mode of each outputthrough setup

5© 2003 Hanna InstrumentsAll rights are reserved. Reproduction in whole or in part is prohibited without thewritten consent of the copyright owner.Dea

5958CONNECTIONSThe connections for the 6-pin RS485 terminal provided areas follows:There is an internal short between the two A pins and be-tween the

6160Following is the complete list of commands available:Command Parameter RemarksNNMDR not available Requests firmware code(always available)NNHOP no

6362Following are examples for setup item format:• item C.32, maximum relay ON time: parameter value =15, format = “+015◊◊“, where ◊ indicates a blan

6564where S means “status” and can be equal to “A” (control andalarm ON), “C” (control ON and alarm OFF), “N” (controlOFF).The NNHOP request produces

6766a 1-point calibration is performed) it is indicated with a “N” letter.2) Process controller configured for ORP:If mV is not calibrated: “NN<STX

6968Here is the format for answer to NNEVN<CR>:“NN<STX>0<ETX>” if there is no new event, otherwise:“NN<STX>new_events_no event

7170SHORT MESSAGING SERVICE (SMS)It is possible to connect the Hanna HI 504900 GSM mod-ule to the RS485 port of the instrument. This connection enable

7372When the desired phone number is entered, press CFM toconfirm.The WRONG tag will blink if the user tries to confirm anincorrect number (the first

7574to the activated error.Here is reported a list of all the possible error strings:• “Alarm for setpoint 1”• “Alarm for setpoint 2”• “Max relay ON t

7776The information about SIM charge and expiration date arenot saved in the SIM card but are managed by the networkoperator; the instrument can not g

76• Calibration and Setup procedures are password protected.• Calibration: pH calibration at 2 points with two possible setsof buffers (either 7.01 -

7978MODEM CONNECTIONA modem connection can be established between HI504and a remote computer over telephone line. It is possible tomake two different

8180The modem connection (both with HI504900 and HI504902)allows the user to ask the controller from a remote positionabout its status, measurements a

8382SOLUTION COMPENSATIONThe instrument is provided with a solution compensation func-tion which can be enabled through setup menu (setup itemS.00). T

8584For quickly changing the temperature value press and holddown the æ (or  ) key: the temperature will be incremented(decremented) of 0.1°C until

8786Pressing the  key, the meter will cycle through the followingsteps in reverse order, i.e. beginning from last buffer.Note At any time pressi

8988• If an offset calibration has beenmade, the instrument will turn to“slope” calibration (as indicated bythe “SLO” message on the second-ary displa

9190• for cleaning events:• start date• start time• type of cleaning (“AdCL” for advancedcleaning; “SICL” for simple cleaning).Once entered the log ev

9392If the error is due to impossible communication with theEEPROM or the RTC, all the pH/ORP controller tasks arestopped, the alarm relay is de-energ

9594 For example, if SETUP and æ keys are pressed together theLCD will look like this:Note A maximum of two keys may be pressed simultaneously tobe p

9796• Some keys are used to toggle relays and LEDs ON andOFF:- the LCD key toggles the alarm relay and the alarm LED;- the CAL DATA key toggles the re

98REAR PANEL1. BNC Socket for pH or ORP electrode2. Connection for Potential Matching Pin3. Connection for electrode reference4. Connections for Pt 10

9998a blinking “GO”.• Press CFM key to confirm or the æ (or  ) key again toreturn to the previous status.• If confirmation is given when the “OFF” m

101100ALARM - ERROR CONFIGURATIONThis section is dedicated to all the possible error causes foralarm generation, and to the actions performed accordin

103102with the cellular engine (for example because the serialcable is broken or because the cellular engine is not pow-ered), if the number of availa

105104ELECTRODE CONDITIONING AND MAINTENANCEPREPARATIONRemove the electrode protective cap.DO NOT BE ALARMED IF ANY SALT DEPOSITS AREPRESENT.This is n

107106- Make sure cable and connections are not damaged norlying in a pool of water or solution.• Slow Response/Excessive Drift: soak the tip in Hanna

109108ACCESSORIESpH CALIBRATION SOLUTIONSHI 7004M or HI 7004L pH 4.01 Buffer Solution, 230 or 500 ml bottleHI 7006M or HI 7006L pH 6.86 Buffer Solutio

111110pH AND ORP ELECTRODE HOLDERSHI 60545 Bypass loop electrode holderHI 60542 In-line electrode holder for direct pipe installationHI 7611 Stainless

113112pH AND ORP ELECTRODESHanna Instruments produces a wide range of pH and ORP electrodes specifically de-signed for needs of industrial uses. For a

115114CE DECLARATION OF CONFORMITYRecommendations for UsersBefore using these products, make sure that they are entirely suitable for theenvironment i

116MAN504R5 05/05SALES AND TECHNICAL SERVICE CONTACTSAustralia:Tel. (03) 9769.0666 • Fax (03) 9769.0699China:Tel. (10) 88570068 • Fax (10) 8857

1110Alarm Relay Electromechanical Relay SPDT contact output,5A - 250 VAC, 5A - 30 VDC (resistive load)Fuse protected: 5A, 250V Quick Blow FuseAnalog O

1312• Electrode: Connect the pH or ORP electrode to the BNCsocket (#1 at page 9).To benefit from the differential (symmetrical) input, connectthe prop

1514The pH and ORP calibrations can not be initiated while theprocess controller is configurated to take measurements fromthe Digital Transmitter.pH C

1716• In the second case (pH value not close to the buffer) themeter will remain in the same state until the reading be-comes unstable or the calibrat