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Hanna Instruments HI 700 Series, Instruction Manual

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Hanna Instruments HI 700 Series Instruction Manual Download Page 7

7

REAR PANEL

 

 

1.  6-pin RS485 terminal 

 (

HI700222 

and

 HI710222 

only)

 

2.  Analog Output

              (

HI700221

 and 

HI710221

 

only

)

 

3.  Power Supply

 

4.  Alarm Terminal

 

5.  Contact 2 - Second Dosing Terminal

  6. Timer 

  7. Hold

  8.  Contact 1 - First Dosing Terminal

  9.  Pt 100 Temperature Sensor connector

  10.  EC/TDS probe connector

  11.  Power supply output for external transmitter

  12.  4-20 mA input from external transmitter

 

Unplug the meter before any electrical connection.

MECHANICAL DIMENSIONS

FRONT VIEW

SIDE VIEW

Summary of Contents for HI 700 Series

Page 1: ...HI700 HI710 Series Process Panel mounted Microprocessor based Conductivity and TDS Controllers www hannainst com...

Page 2: ...Ccontrollerwithdualsetpoint ON OFFandPIDcontrols RS485 port HI710221 ECandTDScontrollerwithdualsetpoint ON OFFandPIDcontrols analog output HI710222 ECandTDScontrollerwithdualsetpoint ON OFFandPIDcontr...

Page 3: ...ONS 7 SPECIFICATIONS 8 INSTALLATION 9 SETUP MODE 12 CONTROL MODE 18 IDLE MODE 25 ANALOG OUTPUT 26 RS 485 COMMUNICATION 28 CALIBRATION 35 LAST CALIBRATION DATA 43 FAULT CONDITIONS AND SELFTEST PROCEDUR...

Page 4: ...ed communication link HI700222 and HI710222 only Calibration and Setup procedures allowed only through an unlock password Calibration 2 points with Hanna Instruments EC and TDS calibration solutions F...

Page 5: ...C 1 K minimum load optional isolated 1 5 VDC 1 K minimum load optional isolated 0 10 VDC 1 K minimum load optional Real time clock Temperature compensation of the EC and TDS reading with temperature c...

Page 6: ...enters and exits 7 key decreases the blinking digit letter by one when selecting a parameter Reverts backward while in last calibration data viewing mode Decreases the temperature setting when temper...

Page 7: ...al 5 Contact 2 Second Dosing Terminal 6 Timer 7 Hold 8 Contact 1 First Dosing Terminal 9 Pt 100 Temperature Sensor connector 10 EC TDS probe connector 11 Power supply output for external transmitter 1...

Page 8: ...C with adjustable temperature coefficient from 0 00 to 10 00 C TDS Factor HI710 only Adjustable from 0 00 to 1 00 Outputs Analog isolated 0 1 mA 0 20 mA and 4 20 mA 0 5 Vdc 1 5 Vdc and 0 10 Vdc or di...

Page 9: ...isolated outputs with user selectable zoom bi directional RS485 recorder outputs in mAmps and Volts Use the 3 wire Pt 100 temperature sensor to compen sate for the cable resistance and have a precise...

Page 10: ...measurement The HI7639 EC TDS probe has a built in 3 wire Pt 100 sensor to be connected according to the following table Color Pin GRAY 6 BROWN 7 YELLOW 8 If using a different Pt 100 separated from th...

Page 11: ...to the selected control parameters mA Input to switch to mA input signal from a conductivity transmitter e g HI8936 HI98143 or HI98144 series see setup procedure code 6 Connect the two signal wires fr...

Page 12: ...d confirmed Eachsetupparameter orsetupitem isassignedatwo digitsetupcodewhichisentered and displayed on the secondary LCD The setup codes can be selected after password and CFM are pressed When CFM is...

Page 13: ...r a wrong password is confirmed the display will only show the previously memorized value without blinking read only mode In this case the value cannot be set Press LCD and start again Enter the desir...

Page 14: ...TC no 08 TDS Factor HI710 only 0 00 to 1 00 0 50 no 11 Relay 1 mode M1 0 disabled 1 ON OFF high setpoint 2 ON OFF low setpoint 3 PID high setpoint 4 PID low setpoint 0 no 12 Relay 1 setpoint S1 0 5 to...

Page 15: ...no 40 Analog output selection 0 0 1mA 1 0 20 mA 2 4 20 mA 3 0 5 VDC 4 1 5 VDC 5 0 10 VDC 2 no 41 Analog output lower limit O_VARMIN 0 to 100 full scale O_VARMIN T O_VARMAX 5 f s 0 no 42 Analog output...

Page 16: ...lftest 0 off 1 on 0 yes 99 Unlock password 0000 to 9999 0000 yes Note The process controller automatically checks to ensure that the entered data matches other related variables If a wrong configurati...

Page 17: ...e the minimum deviation D1 or D2 is 0 5 of the maximum range value Note When a wrong setup value is confirmed the controller does notskiptothenextsetupitembutremainsinthecurrentitem displaying a flash...

Page 18: ...ssing SETUP or CAL and confirming the password Note thatthiscommandgeneratesatemporaryexit Todeactivatethecontrolmodedefinitively set CONTROL ENABLE to 0 item 02 RELAY MODES Once enabled the relays 1...

Page 19: ...as can be seen from the following graphs is energized when the EC value is below the setpoint and is de energized when the EC value is above the sum of setpoint and the hysteresis The low setpoint rel...

Page 20: ...dependent not only on the error amplitude but even on the previous measurements DefinitelyPIDcontrolprovidesmoreaccurateandstablecontrolthanON OFFcontrollers and it is best suitable in system with a f...

Page 21: ...l be the reset time and the rate time for setpoint2 TUNING A PID CONTROLLER Theproportional integrative derivativetermsmustbetuned i e adjustedtoaparticular process Since the process variables are not...

Page 22: ...lay the EC or TDS willreachamaximumrateofchange slope Notethetimethatthismaximumslope occurs and the EC or TDS value at which it occurs Note the maximum slope in EC or TDS per minute Turn the system p...

Page 23: ...nergizing of the alarm relay when the measured value is close to the alarm setpoint The alarm hysteresis amplitude is 1 5 of full scale Moreover the alarm signal is generated only after a user selecta...

Page 24: ...sed for too long a period In both cases the red LED s will also provide a visual warning signal The Fail Safe mode is accomplished by connecting the external alarm circuit between the FS C Normally Op...

Page 25: ...g output remains activated When the instrument is in idle mode the red and green status LEDs are on Idle mode is useful to disable control actions when the external devices are not installed or when t...

Page 26: ...d via software by entering the setup mode and selecting code 40 see Setup Mode section for exact procedure Factory default is switches 1 and 3 closed ON and switches 2 and 4 open OFF i e 0 20 mA 4 20...

Page 27: ...calibration procedure as explained in the following It is recommended to perform the output calibration at least once a year Note Analog output resolution is 1 5 f s with 0 5 f s accuracy Note The an...

Page 28: ...heet programs Excel Lotus 1 2 3 etc Simply run your favorite spread sheet and open the file downloaded by HI92500 It is then possible to elaborate the data with your software e g graphics statistical...

Page 29: ...5 line with a total line length of up to 1 2 Km using 24AWG cable To minimize electromagnetic interferences use shielded or twisted pair cable to connect the units Each unit is identified by its proce...

Page 30: ...two consecutive characters of a command It is possible to send commands to change the controller settings or to simply ask information on the controller status Following is the complete list of comman...

Page 31: ...me as key MDR null Request firmware code ECR null Request EC reading in control or idle mode only TDR null Request TDS reading HI710 models only available in control or idle mode only RNG null Request...

Page 32: ...ss ID number 03 to the 12 00 mS value 2 01 SET 33 005 CR Thiscommandsetsthesetupitem33 max relayONtime ofacontroller identified by the process ID number 01 to 5 minutes The character means blank Once...

Page 33: ...wing values A control and alarm are ON B control and alarm are ON and need update controller setup GET commands C control is ON and alarm is OFF D control is ON and alarm is OFF and need update contro...

Page 34: ...he answer has the following format 1 Date Time CellCostant Date DDMMYY e g 170400 for April 17 2000 Time HHMM e g 1623 for 4 23 pm Cell Costant ASCII string e g 1200 The items in the Data field are se...

Page 35: ...The temperature probe should also be connected to the process meter The meters are equippedwithastabilityindicator Theuserisalsoguidedwithindicationsonthedisplay during the calibration procedure Initi...

Page 36: ...thecalibrationpoint theprimary LCD will display the second expected buffer value If the zero calibration cannot be performed ERROR will blink Cell constant calibration Select the solution value on the...

Page 37: ...ay Press LCD again to return to calibration buffer visualization Note To interrupt the calibration procedure press SETUP to restart the procedure or CAL to exit to normal operational mode Note If the...

Page 38: ...offsetbeforeenteringthecalibrationbufferdirectselection TEMPERATURE CALIBRATION The controller is factory calibrated for temperature However the user may also perform a one point temperature calibrati...

Page 39: ...th CFM CAL will blink on the LCD The secondary LCD will display 4 for the first calibration point The primary LCD will display the conductivity reading Set the mA simulator to 4 mA and wait for the re...

Page 40: ...which parameter is being calibrated Press and hold in sequence CFM first then and then CAL to enter the Analog Output Calibration mode Calibration procedure may be interrupted by pressing CAL again at...

Page 41: ...er that will stop blinking on the primary display The secondary display shows the HI931002 or multimeter input value as lower limit of the interval Execute the password procedure The primary display w...

Page 42: ...ointvalue whileprimarydisplay indicates the current calibration type OUTPUT CALIBRATION CALIBRATION CALIBRATION TYPE CODE POINT1 POINT2 0 1 mA 0 0 mA 1 mA 0 20 mA 1 0 mA 20 mA 4 20 mA 2 4 mA 20 mA 0 5...

Page 43: ...ear IfthemeterhasneverbeencalibratedoranEEPROMresethasoccurred nocalibration data are shown when CAL DATA is pressed The no CAL message will blink for a few seconds then the meter skips back to normal...

Page 44: ...s detected when the I2C transmission is not acknowledged or a bus fault occurs for more than a certain number of attempts this can be due for example to damage sustained by one of the ICs connected to...

Page 45: ...are lit for a few seconds and then switched off before exiting the selftest procedure KEYBOARD SELFTEST Thekeyboardselftestprocedurebeginswiththemessage Buttontest press LCD CAL and SETUP together to...

Page 46: ...aneously to be properly recognized To exit the keyboard test procedure press LCD CAL and SETUP simultaneously EEPROM SELFTEST The EEPROM selftest procedure involves verifying the stored EEPROM checksu...

Page 47: ...with the relay contacts disconnected from external plant devices If is pressed the EEPROM selftest procedure terminates with no other action Otherwise EEPROM is reset with default values from ROM as w...

Page 48: ...s to the Hld indication PRESETTABLE TIMER CLEANING FUNCTION A timer is presettable by software to close a digital insulated contact terminals 5 on page 7 after a user programmable time interval with a...

Page 49: ...ether the EEPROM should be reset IfEEPROMresetisrequested defaultvaluesfromROMarestoredintoEEPROMaswould happen with a new EEPROM NotethatEEPROMdataiscomposedofsetupdataandcalibrationdata Asforthesetu...

Page 50: ...00 4063 16 60 8 10720 1173 70 67200 94400 4155 17 62 6 10950 1199 71 68500 96300 4245 18 64 4 11190 1225 73 69800 98200 4337 19 66 2 11430 1251 74 71300 100200 4429 20 68 11670 1278 76 72400 102100 45...

Page 51: ...ust be intact and there must be no points of broken insulation on the cable Connectors must be perfectly clean and dry CLEANING PROCEDURE Rinse the probe with tap water If a more thorough cleaning is...

Page 52: ...on 500 mL bottle HI8033L 84 S cm calibration solution 500 mL FDA bottle HI7034M 80000 S cm calibration solution 230 mL bottle HI7034L 80000 S cm calibration solution 500 mL bottle HI8034L 80000 S cm c...

Page 53: ...eral cleaning solution 230 mL bottle HI8061M General cleaning solution 230 mL FDA bottle HI7061L General cleaning solution 500 mL bottle HI8061L General cleaning solution 500 mL FDA bottle PROBE CLEAN...

Page 54: ...01 5 Stainless steel Pt100 probe with standard 1 2 external threads at both ends for in line and immersion installation 5 m 16 5 cable BL PUMPS Dosing pumps with flow rate from 1 5 to 20 lph HI98501 C...

Page 55: ...reusingthisproduct makesureitisentirelysuitableforyourspecificappli cationandfortheenvironmentinwhichitisused Anyvariationintroducedbythe usertothesuppliedequipmentmaydegradethemeters performance Fory...

Page 56: ...Printed in ROMANIA World Headquarters Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com MANHI700 06 19...

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