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• If an offset calibration has been

made, the instrument will turn to
“slope” calibration (as indicated
by the “SLO” message on the
secondary display . The slope value
is shown on the primary LCD and
the first digit is blinking to permit
modifications) .

• Press the





key to modify the value or



key to

move to the next digit .

• Once selected the desired value, press CFM to confirm .
• After confirmation the instrument will turn back to normal

mode .

• If the slope is invalid, the ”WRONG” indicator will blink

on the LCD .

Note

Press LCD or CAL DATA key to exit calibration . The slope

will be set to the default value (57 .5 mV/pH) .

After direct selection of offset and slope, calibration data

can be viewed by pressing the CAL DATA key while in normal
mode, but no pH-buffer values will be displayed during the
data scrolling on the LCD .

Содержание HI 504

Страница 1: ...HI504 Panel mounted Microprocessor based pH ORP Process Controller Instruction Manual...

Страница 2: ...MODE 53 HOLD MODE 54 ANALOG OUTPUT 56 PC COMMUNICATION 57 SHORT MESSAGING SERVICE SMS 71 MODEM CONNECTION 79 pH ORP PROBE CHECK 82 SOLUTION COMPENSATION 83 TEMPERATURE COMPENSATION 84 LAST CALIBRATIO...

Страница 3: ...Instruments Office If under warranty report the model number date of pur chase serial number and the nature of the problem If the repair is not covered by the warranty you will be notified of the cha...

Страница 4: ...this instrument This manual will provide you with the necessary information for the correct use of this instrument as well as a precise idea of its versatility If you need additional technical inform...

Страница 5: ...f a case inside which the signal conversion circuitry the microprocessor circuitry and the output power drivers are contained MAIN FEATURES Configurations for measure and control of pH or ORP with two...

Страница 6: ...10 which can be connected up to 1 2 km 0 75 miles far away Output 0 20 or 4 20 mA one analog output for record ing of pH ORP or controlling only for models with PID RS485 communication with Short Mess...

Страница 7: ...scrolling mode Increases the temperature setting when temperature probe is not inserted 7 key decreases the blinking digit letter by one when selecting a parameter Reverts backward while in last calib...

Страница 8: ...d Cleaning input optional 9 Power supply input 10 Alarm terminal 11 Relay 2 second dosing terminal optional 12 Second analog output optional 13 Relay 1 first dosing terminal 14 First analog output 15...

Страница 9: ...Temperature compensation Automatic or manual from 30 to 130 C Temperature probe With 3 wire or 2 wire Pt100 Pt1000 sensor with automatic recognition and damage test Installation Category II Power Sup...

Страница 10: ...22 mA configuring as 0 20 mA or 4 20 mA Analog Output Resolution 0 1 f s Analog Output Accuracy 2 f s Data logging 6000 pH C or ORP samples Environment 0 to 50 C max 85 RH non condensing Casing IP20 h...

Страница 11: ...9 Input power Connect a 3 wire power cable to the terminal strip line L earth PE and neutral N terminal connections Power 100VAC 120mA 115VAC 100mA 230VAC 50mA Line Contact 400mA fuse inside PE must b...

Страница 12: ...compensation of pH measurement In the case of shielded wire connect the shield to pin 4 In the case of a 2 wire sensor connect the Pt 100 Pt 1000 to pins 1 and 3 and short pins 2 and 3 with a jumper...

Страница 13: ...pH reading offset adjustment and pH offset and slope are not available If the meter is selected as a pH controller no ORP calibration can be selected Note Any calibration procedure can be aborted at a...

Страница 14: ...to individual beakers If possible use plastic beakers to minimize any EMC interference For accurate calibration use different beakers for each buf fer solution the first one for rinsing the electrode...

Страница 15: ...e as possible to the pH electrode Note When it is not possible to immerse the Potential Matching Pin together with the pH electrode in the solution disable the differential input by setting setup item...

Страница 16: ...the offset is between 30 and 30 mV and the slope between 53 5 and 62 mV pH If the values are not within these ranges the message OLd ProbE scrolls twice across the LCD The electrode is still working b...

Страница 17: ...king waiting for confirmation of a valid value Note If SETUP key is pressed instead of CFM the calibration value selection is aborted and the meter reverts back to a two point calibration ORP CALIBRAT...

Страница 18: ...the calibration mode is exited by pressing the CAL key For the second calibration point it is possible to choose between 350 mV or 1900 mV Pressing the or key the value on the secondary LCD will switc...

Страница 19: ...confirmed the range for the analog output the secondary LCD shows the first point of calibration 1 or 4 mA and the primary LCD displays the range of the actual calibration With the tester check the r...

Страница 20: ...libration the primary LCD will display the current temperature measure and the secondary LCD will show the first calibration point 0 C When the reading becomes stable if the temperature value is close...

Страница 21: ...ring pH measurements the instrument reads a mV value from the electrode and then converts it into a pH value Set item I 04 to OFF to disable the Matching Pin Connect a HI931001 or HI8427 simulator to...

Страница 22: ...calibration point inadvertently Pressing again CFM the secondary LCD will display the second calibration point Set the HI931001 or HI8427 simulator to 350 mV and follow the same procedure as for the f...

Страница 23: ...gits setup code which is entered and displayed on the secondary LCD The first character identifies the group of setup items while the two digits identify the particular item within that group The setu...

Страница 24: ...group Once a group is selected it is pos sible to choose an item manually Pressing the key the first digit of the setup code will start blinking Now it is possible to change its value by pressing the...

Страница 25: ...epted and the instrument will not switch to the next item until a correct value will be confirmed Instead of selecting the item manually it is possible to cycle through all the items of a selected gro...

Страница 26: ...RP GENERAL GEnE G 00 pH ORP input PH OrP see note 10 PH yes G 01 Temperature compensation AtC Automatic USEr Manual see notes 9 25 AtC no G 02 Manual or probe error temperature 30 to 130 0 C see notes...

Страница 27: ...to 4000 mV 1 pH or 50 mV yes C 23 Deviation for setpoint 2 D2 see note 1 0 50 to 18 00 pH or 25 to 4000 mV 1 pH or 50 mV yes C 24 Reset time for setpoint 2 0 1 to 999 9 minutes 999 9 mins yes C 25 Rat...

Страница 28: ...setpoint 1 SEt2 Control setpoint 2 SCLE Simple cleaning HOLd Energized in hold mode SEt1 yes 0 02 Relay 2 mode see notes 19 21 OFF Disabled SEt1 Control setpoint 1 SEt2 Control setpoint 2 SCLE Simple...

Страница 29: ...terval 7 00 pH or 0 mV 6 yes ANALOG OUTPUT 2 Out2 0 20 Analog output 2 mode see notes 21 26 rECO Recorder temperature SEt Control setpoint 2 pH or OFF Disabled SEt Control setpoint 2 ORP rECO pH or OF...

Страница 30: ...OFF yes I 12 Minimum pH probe slope see note 25 45 to 75 mV pH 45 mV pH no I 13 pH electrode impedance test enable see note 25 OFF disabled On enabled On no I 14 Reference electrode imped ance test en...

Страница 31: ...200 mV measured value yes F 01 pH or ORP reading offset adjustment see note 25 1 00 to 1 00 pH or 200 to 200 mV 0 00 pH or 0 mV yes F 10 Temperature actual value for ATC only see notes 18 25 measured...

Страница 32: ...EVEL ALARM tEMP U 00 Max temperature level see note 32 30 to 130 C 130 0 C no U 01 Min temperature level see note 32 30 to 130 C 30 0 C no ERROR CONFIGURATION Erro E 00 Alarm for setpoint 1 error conf...

Страница 33: ...ote 13 LE Level PULS Pulse LE yes TEST tESt t 00 Display test OFF To skip without testing GO To start the display test OFF yes t 01 Keyboard test OFF To skip without testing GO To start the keyboard t...

Страница 34: ...M2 OOLO then S1 H1S S2 H2 if M1 OOLO and M2 OOHI then S2 H2S S1 H1 if M1 PIdH and M2 OOLO then S1S S2 H2 if M1 OOLO and M2 PIdH then S1 H1R S2 if M1 PIdL and M2 OOHI then S1R S2 H2 if M1 OOHI and M2...

Страница 35: ...t changed accordingly first e g to set a pH high set point to 10 00 the high alarm must be set to a value greater than 10 00 first 4 The hardware identifier is a read only value 5 When the controller...

Страница 36: ...36...

Страница 37: ...hile working with the Digital Transmitter this item must be equal to the correspondent one in the Digital Transmitter If the two values do not coincide a Digital Transmitter error is generated 11 A li...

Страница 38: ...ue with a null reading offset adjustment 18 if the device is set for MTC item G 01 to USEr then items F 10 and F 11 cannot be modified nor seen When item G 01 is changed from AtC into USEr item F 11 i...

Страница 39: ...mitter is in use the correspon dent setting in the digital transmitter is used and this item is not visible 26 This item is not visible for models without PID or without the second setpoint 27 An SMS...

Страница 40: ...weeks before one week before and the day before If the user sets the item P 04 to 222 then no check will be made on the SIM expiration date 32 A temperature level error is generated whenever the meas...

Страница 41: ...t calibration data setup configuration also from a remote workstation event data In a normal situation during control mode the green LED is ON and the error LED red is OFF The red LED is never fixed O...

Страница 42: ...option for relays 3 and 4 can be configured to opera tions in three modes 1 simple cleaning 2 advanced cleaning 3 hold mode ON OFF CONTROL MODE Once a relay is enabled set 1 set 2 the setpoint can be...

Страница 43: ...alue is above the sum of setpoint and the hysteresis This operational mode may be used to control an alkaline dosing pump P I D CONTROL MODE PID control is designed to eliminate the cycling associated...

Страница 44: ...trol than with the ON OFF or proportional action only The derivative function rate action compensates for rapid changes in the system reducing undershoot and overshoot of the pH value During PID contr...

Страница 45: ...of the input range and is related to Kp according to the following Kp 100 PB The proportional action is set directly as Deviation in pH and mV units respectively Relation between Deviation D and PB is...

Страница 46: ...sponse curve to a step input Note This procedure allows only a rough setting of the PID pa rameters and could not fit all the processes It is suggested that I and D parameters be set by technical pers...

Страница 47: ...ding in the figure aside was obtained continuously dosing an alkaline solution to a weak acid solution in a tank The initial settings will be Max slope 3 pH 5 mins 0 6 pH min Time delay Tx approx 7 mi...

Страница 48: ...s against critical errors arising from power interruptions surges and human errors This sophisticated yet easy to use system resolves these predicaments on two fronts hardware and software To eliminat...

Страница 49: ...n varying the proportion of ON and OFF times duty cycle control The output signal range can be selected through setup items O 11 output 1 and O 21 output 2 A device with analog input e g a pump with a...

Страница 50: ...ernal digital input disables the cleaning setup item L 15 set to tiEM error for which a cleaning action is configured i e a Reference electrode broken or dirty error The type of cleaning action is sel...

Страница 51: ...me relay 4 is energized and relay 3 continues to be energized If the device is in normal measurement mode the dEtErGEnt message scrolls on the LCD It is possible to configure some cleaning without det...

Страница 52: ...gether key first or through RS485 by sending the appropriate command When the advanced cleaning is aborted in any case a complete rinsing phase is performed before the actual termination of the cleani...

Страница 53: ...happens or not depends on the customized alarm configuration see Alarm section for more details Nevertheless the error due to alarm thresh old overtaking does never generate an alarm during idle mode...

Страница 54: ...ms C 41 through C 57 an error event see also the Alarm Error Configuration section the hold start stop RS485 command the service hold Calibration and Setup in the Digital Transmitter During hold mode...

Страница 55: ...o a user selected value through the setup item O 15 or O 25 when item O 14 or O 24 is set to USEr or frozen to the last value i e the output value just before entering the hold mode when item O 14 or...

Страница 56: ...s When set to recorder setup item O 10 or O 20 set to rECO the output 1 gives a current signal proportional to the actual pH value while the output 2 gives a signal proportional to the temperature val...

Страница 57: ...00 HI92500 makes it possible for you to use the powerful means of the most diffused spreadsheet programs Simply run your favorite spreadsheet program and open the file downloaded by HI92500 It is then...

Страница 58: ...e devices and are monitored and controlled by a single master station typi cally an industrial PLC or PC Each HI504 unit is identified by its Process ID number included in the 00 to 99 interval which...

Страница 59: ...ses com mand identifier parameter end of command Some commands are used when the master is requesting information from the controller other when the master wants to set a parameter in the process memo...

Страница 60: ...available Requests all last calibration data always available NNGET CNN Requests setup item C NN Use the NNSNR command if hardware identifier is needed NNGET command is answered with ProcessID CAN fo...

Страница 61: ...it as follows P1 if 0 P1 if 0 P2 0 if most significant digit is not used P2 1 if most significant digit is used When an item is shorter than 4 digits the Ci characters are filled with blanks Following...

Страница 62: ...to configure the hardware identifier setup item G 12 The NNSET and NNGET commands when used for password items baud rate hardware identifier F 00 and F 10 items P 00 through P 09 items are answered w...

Страница 63: ...aracter long ASCII string rep resenting hardware identifier ETX e g 29 STX 1234567 ETX if the Process ID alias RS485 address is 29 and the hardware identifier is 1234567 The NNGET command is answered...

Страница 64: ...B2 bit 1 Digital Transmitter input 1 available 0 not available B2 bit 2 PID control 1 available 0 not available B2 bit 3 free for future use and set to 0 B2 bit 4 free for future use and set to 0 B2...

Страница 65: ...relay 3 1 energized 0 de energized B2 bit 6 relay 4 1 energized 0 de energized B2 bit 7 hold digital output 1 ON 0 OFF B1 bit 0 control 1 ON 0 OFF B1 bit 1 2 setup mode bit 2 0 and bit 1 0 not in set...

Страница 66: ...for example buf2 when a 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 0 ETX If calibration has been performed...

Страница 67: ...format for a number 1 2 99 100 The meaning of start_datei and start_timei is for errors date and time at which the error was generated for setup events date and time of a setup item change for calibr...

Страница 68: ...in chronological order i e record number 1 refers to the oldest event When the event log file is full the oldest event is replaced with the oncoming one In order to speed up the updating of a remote...

Страница 69: ...CR command is needed A small subset of the event log file with information about the active errors can be downloaded through the NNAER CR command always available even during controlling The answer is...

Страница 70: ...6 free for future use and set to 0 B1 bit 7 free for future use and set to 0 Each bit is equal to 1 if the correspondent error is ON and equal to 0 if the correspondent error is OFF Note After issued...

Страница 71: ...ter the PIN of the SIM card of the GSM module setup item P 01 and one or two phone numbers associated with the service setup items P 02 and P 03 to which the messages will be sent The phone numbers ha...

Страница 72: ...not the first four ones anymore By pressing the or key it is possible to modify the value of the blinking digit and pressing the key it is possible to skip to the next digit When the end of the phone...

Страница 73: ...numbers CELL and the MEM tag will blink alternatively on the LCD Note The numbers are saved on the first two locations of the phonebook area in the SIM card If there are other phone numbers previously...

Страница 74: ...dule connection Normally there is no need to modify the default baud rate 19200 Note It is important to set the desired baud rate before enabling the SMS service The GSM cellular mode will automatical...

Страница 75: ...ong ring which is more likely to be heard The phone call advises the user that something happened on the HI504 and a SMS is going to be received It is not necessary for the user to answer the phone ca...

Страница 76: ...truncated To avoid this problem a coded notation is used to identify the active errors Here is the list of the error strings coded notation Alarm for setpoint 1 Alr set1 Alarm for setpoint 2 Alr set2...

Страница 77: ...e SMS reception is waited In this case the user is supposed to extract the SIM card from the cellular module as soon as possible and to check the remaining credit using its own cellular phone and call...

Страница 78: ...t be present the remaining messages information Rem_msg xxx Note It is possible to ask information about the current pH ORP and temperature readings and active errors to the HI504 also from a cellular...

Страница 79: ...is installed for example 049 for Germany or 001 for United States The HI504902 modem module must be connected to HI504 RS485 port not necessary to telephone line and switched on while the previous con...

Страница 80: ...igured through O 31 to answer to modem calls That device will be the one control ling the modem or the cellular module To avoid conflicts the following must never be done put more than one modem or ce...

Страница 81: ...nection is up the RS485 protocol for a remote connection is all the same as for a local network see the previous section An automatic disconnection takes place if no character is received in the RS485...

Страница 82: ...r the reference electrode or the matching pin are not immersed in the solution An automatic cleaning procedure can be triggered by this error see the Alarm Error configuration section for more details...

Страница 83: ...With this kind of compensation formula the pH value with solution compensation will be the same i e pH1 pH2 T1 T2 x 25 T2 pH2 at point 1 and point 2 This solution compensation feature is useful for e...

Страница 84: ...sing The setup item G 01 is automatically changed back to AtC when the Pt100 Pt1000 error is closed During error condition if the user decides to start working in manual mode and so manually close the...

Страница 85: ...until the total amount is 0 4 C and then the increment decrement will turn to 1 C During these operations both the temperature value dis played and setup item G 02 are updated the last one is updated...

Страница 86: ...n data mode press the CAL DATA key If the meter has never been calibrated or an EEPROM reset has occurred no calibration data is shown when CAL DATA is pressed The no CAL message will blink for a few...

Страница 87: ...ion The secondary display will show SLO to indicate slope Press the or key again to view the first memorized buffer at the time of last calibration The sec ondary display will show BUF1 to indicate fi...

Страница 88: ...econdary LCD shows OFF to indicate offset while the primary one shows offset default value The first digit on the primary LCD is blinking and it is possible to change it by pressing or key Pressing th...

Страница 89: ...next digit Once selected the desired value press CFM to confirm After confirmation the instrument will turn back to normal mode If the slope is invalid the WRONG indicator will blink on the LCD Note...

Страница 90: ...imary display will show the code of the last logged event while the secondary LCD will show the number index of the event For each event the following is reported in any case error code displayed Er f...

Страница 91: ...ts If the event is an error still active the error code on the primary LCD will blink otherwise it will be fixed To have a look at the additional information of a selected event press the key it will...

Страница 92: ...d the scrolling message EEPROM reset needed Press up button to reset stored data or right button to ignore will appear on the primary LCD If the key is pressed the process controller restarts opera ti...

Страница 93: ...topped the alarm relay is de energized the red LED blinks and the Serial bus error slides forever repair can not be postponed A software watchdog is provided in order to detect dead loop conditions or...

Страница 94: ...the display segments together To start the procedure select setup item t 00 and an OFF blinking message will appear on the primary LCD Press the or key once and the message will switch to a blinking...

Страница 95: ...he previous state If confirmation is given when the OFF message is blink ing no action is performed and it will move to the next setup item t 02 Once confirmed the keyboard selftest procedure begins w...

Страница 96: ...lftest procedure involves verifying the stored EEPROM checksum To enter the EEPROM test procedure select the setup item t 02 and an OFF blinking message will appear on the LCD Press the or key once an...

Страница 97: ...If the key is pressed all the data stored in the EEPROM are erased and the default values loaded Once performed the selected action the instrument will remain in the setup menu and move to the next s...

Страница 98: ...To exit the test press the CFM key and the previous con figuration of the relays is reestablished The instrument will remain in the setup menu and move to the next setup item t 04 ANALOG OUTPUT TEST...

Страница 99: ...by the selected output and no confirmation is required The minimum and maximum values let out are 3 6 22 mA for the 4 20 mA output and 0 22 mA for the 0 20 mA output This depends on the possibility of...

Страница 100: ...rocedure select the setup item t 07 and an OFF blinking message will appear on the LCD Press the or key once and the message will switch to a blinking GO Press CFM key to confirm or the or key again t...

Страница 101: ...causes a watch dog reset signal to be generated To enter the test procedure select the setup item t 08 and an OFF blinking message will appear on the LCD Press the or key once and the message will swi...

Страница 102: ...Alarm relay de energized 2 Auto cleaning control actions are stopped during auto cleaning mode can be enabled only for the Reference electrode broken or dirty error 3 3 6 or 22 mA fault current for th...

Страница 103: ...ondent tests are not enabled through setup items I 13 and I 14 The Reference electrode test can not be made if the Potential matching pin is not in use see setup item I 04 The 3 6 mA fault current is...

Страница 104: ...tands for level and PULS for pulse If pulse is configured a new pulse will be let out upon every new error no matter whether the red LED is already blinking i e some error is active or not When the pu...

Страница 105: ...6 90 7 04 9 27 10 12 20 68 4 00 6 88 7 03 9 22 10 06 25 77 4 01 6 86 7 01 9 18 10 01 30 86 4 02 6 85 7 00 9 14 9 96 35 95 4 03 6 84 6 99 9 10 9 92 40 104 4 04 6 84 6 98 9 07 9 88 45 113 4 05 6 83 6 9...

Страница 106: ...aced TEST MEASUREMENT Rinse the electrode tip with distilled water Immerse the tip bottom 4 cm 1 in the sample and stir gently for approx 30 seconds For a faster response and to avoid cross contaminat...

Страница 107: ...norganic Cleaning Solution for 15 minutes Oil grease Rinse with Hanna Instruments Office HI7077 Oil and Fat Cleaning Solution IMPORTANT After performing any of the cleaning procedures rinse the electr...

Страница 108: ...30 minutes rinse thoroughly in distilled water and then follow the Cleaning Procedure above For ORP Electrodes polish the metal tip with a lightly abrasive paper paying attention not to scratch the s...

Страница 109: ...Technology PID Proportional Integrative Derivative control POTENTIAL MATCHING PIN Pin for connection of the potential matching or grounding steel bar which must be immersed into the measured fluid and...

Страница 110: ...3 5M KCl Electrolyte 4x50 mL ELECTRODE CLEANING SOLUTIONS HI7061M or HI7061L General Cleaning Solution 230 or 500 ml bottle HI7073M or HI7073L Protein Cleaning Solution 230 or 500 ml bottle HI7074M or...

Страница 111: ...ectrode holder HI60545 0 1 set of O rings for HI60545 electrode holder HI60501 0 1 set of O rings for HI60501 electrode holder HI605011 PVC mounting flange for HI60501 electrode holder HI8427 pH ORP E...

Страница 112: ...112 pH AND ORP ELECTRODE HOLDERS HI60545 Bypass loop electrode holder HI60542 In line electrode holder for direct pipe installation...

Страница 113: ...channels Specifications HI60542 HI60545 HI60501 Electrode Holder Material PVC PVC PVC O Ring Material NBR NBR NBR Min Max Temperature 10 C 14 F 60 C 144 F Min Immersion Length Max Immersion Length 10...

Страница 114: ...ailable electrodes visit our web site at www hannainst com or contact your local Hanna Instruments Office The below table lists all the Combination Flat tip PVDF body polymer filled electrodes with Ma...

Страница 115: ...Any variation introduced by the user to the supplied equipment may degrade the instruments EMC performance To avoid electrical shock do not use these instruments when voltage at the measurement surfac...

Страница 116: ...ANIA MAN504 10 17 Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA Technical Support for Customers Tel 800 426 6287 Fax 401 765 7575 E mail tech hannainst com...

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