JENCO 6311 Operation Manual Download

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OPERATION MANUAL

JENCO MODEL 6311
MICROCOMPUTER BASED
pH / ORP and Temperature
CONTROLLER

JENCO INSTRUMENTS, INC.

JENCO ELECTRONICS, LTD.

7968 ARJONS DR., SUITE C P.O. BOX LINKOU-117

SAN DIEGO, CA 92126 TAIPEI HSIEN, TAIWAN,R.O.C.

TEL: (858) 578-2828 TEL: (886-2) 2601-6191

FAX: (858) 578-2886 FAX: (886-2) 2601-7206

E-MAIL:[email protected] E-MAIL:[email protected]

SHANGHAI JENCO ELECTRONICS, LTD.

SHANGHAI

SONGJIANG

SIJING

TOWN

EAST ECONOMIC & TECHNOLOGY DEV. AREA (B)

SHANGHAI,

CHINA

TEL:

86-21-5761-9599

FAX:

86-21-5761-9598

E-MAIL:[email protected]

Summary of Contents for 6311

Page 1: ...KOU 117 SAN DIEGO CA 92126 TAIPEI HSIEN TAIWAN R O C TEL 858 578 2828 TEL 886 2 2601 6191 FAX 858 578 2886 FAX 886 2 2601 7206 E MAIL jencoi ix netcom com E MAIL jencoe ms2 hinet net SHANGHAI JENCO EL...

Page 2: ...85 ADDRESS SETTING xii PASSWORD SETTING 18 2 ACTIVE ABS mV 19 i TEMPERATURE PROBE SELECT ii 4mA SETTING 19 iii 20mA SETTING iv RELAY 1 RELAY 2 RELAY 3 RELAY 4 SETTING 20 v RELAY 5 WASH ON TIME SETTING...

Page 3: ...to 3 8 in 9 5mm 2 Remove the mounting assembly from the controller and insert the controller into the cutout 3 Replace the mounting bracket assembly onto the controller and secure the controller to th...

Page 4: ...y time you turn on the unit providing you with basic information on the stability of the instrument The model 6311 is equipped with 4 control relays and one wash relay All control relays are programma...

Page 5: ...seconds will leave the control setting and return the user to the MAIN display mode 2 The X RIGHT key 2a In CALibration mode where the user can change the settings and the setting is in decade number...

Page 6: ...ffer Calibration the user can press this key to repeat the buffer calibration 5 The OK key 5a In any mode where the user can change the settings this key will save the new settings If no change has be...

Page 7: ...ill BLINK before Buffer 1 or Buffer 2 calibration The respective annunciator will stay ON while BUFFER 1 or BUFFER 2 is being calibrated 5 HYST annunciator HYSTERESIS this annunciator will turn ON whi...

Page 8: ...KED 11 pH mV RmV annunciators this annunciators will indicate the unit of MAJOR LCD DISPLAY 12 LCD MINOR DISPLAY In MAIN mode the temperature will be displayed here with the centigrade unit In CALibra...

Page 9: ...he AC line to the rear of the instrument The model 6311 can be used with 115 or 230VAC 50 60 Hz Power consumption is 6 watts Make sure the EARTH connector is connected to the earth lead of the AC powe...

Page 10: ...to a correct AC voltage the unit will be ready for use There is no Power key so unplugging or plugging the unit will turn OFF or turn ON the unit respectively After the unit is turned on the unit wil...

Page 11: ...bubbles around the probes either Shaking or moving the probes vigorously before recording any measurement will dislodge any bubbles formed in the probes IV MODEL 6311 MODES A MAIN DISPLAY MODE Turning...

Page 12: ...a PASSWORD CHECK screen You will only see this screen if the unit is LOCKED To change any settings or calibration you need to unlock the system to remove the LOCK message You can use X or OK keys to...

Page 13: ...ult to the last CALIBRATION SETTING SELECT you chose so for most application you don t need to change this selection once you decide what reading to use If you need to change the CALIBRATION SETTING S...

Page 14: ...eys to choose your temperature probe then press OK to save your new selection The next two steps are for pH buffer select ii pH BUFFER I STAND SELECT screen This screen selects the buffer for standard...

Page 15: ...move to this screen The initial display will be the chosen buffer for pH BUFFER II SELECT The SLOPE annunciator will blink indicating that the unit is waiting for the user to continue the calibration...

Page 16: ...mperature probe into buffer 1 9 Press the OK key to start the STANDardization calibration A WAIT message will blink indicating that the instrument is waiting for a stable reading The display will be l...

Page 17: ...chapter VIII ERROR DISPLAYS AND TROUBLESHOOTING is displayed or a blinking SAVE does not show after more than few minutes then something is wrong with your buffer 2 or electrode Be sure your buffer 2...

Page 18: ...Y 5 WASH ON TIME SETTING This screen set the ON TIME delay in MINUTES SECONDS for the RELAY 5 The user can use X or OK keys to input the new ON time You can only turn ON the WASH relay if the unit is...

Page 19: ...the user selected REL please see the next section 3 ACTIVE REL at page 21 i TEMPERATURE PROBE SELECT screen This screen will let the user select what temperature probe 10K thermistor Balco 3K resisto...

Page 20: ...his value is used for scaling the 4 20mA ANALOG OUTPUT For detailed explanation see chapter VI 4 20 mA OUTPUT iv RELAY 1 RELAY 2 RELAY 3 RELAY 4 SETTING This screen is essentially the same for the fou...

Page 21: ...er can use or X keys to input the new password Pressing the OK key will save the password number and LOCKS the unit You will not be able change any setting or turn on the wash relay unless a correct 4...

Page 22: ...temperature probe If the user needs to change the temperature probe type press the or keys to choose your temperature probe then press OK to save your new selection ii OFFSET SETTING screen This scree...

Page 23: ...user has to input the SET POINT first then the HYSTERISIS and finally the RELAY ACTION See chapter V CONTROLLING THE RELAYS vi RELAY 5 WASH ON TIME SETTING This screen selects the ON TIME delay in MIN...

Page 24: ...ing their password number otherwise you would no be able to calibrate or change the settings V CONTROLLING THE RELAYS A ISOLATION VOLTAGE The maximum isolation voltage of the relay output contacts is...

Page 25: ...n is set to LOW the relay will turn ON at SET POINT and will turn OFF at SET POINT HYSTERISIS There are four Independent relays the user can bind to pH ABSOLUTE mV or RELATIVE mV mode The user can onl...

Page 26: ...B OUTPUT LOAD The maximum load is 500 Output current inaccuracies may occur for load impedance in excess 500 C LINEAR ANALOG OUPUT The analog output will produce a linear analog output The user can o...

Page 27: ...to 6499 mV 4 The absolute difference of U4mA and U20mA for pH ABS mV REL mV must be greater or equal to 0 20 pH 20 mV 20 RmV respectively VII RS485 INTERFACE OPERATION A INTRODUCTION This section ass...

Page 28: ...e now ready to program a simple routine to read data from the instrument Read the file Model 6311 protocol doc to understand the implementation in the demo program VIII ERROR DISPLAYS AND TROUBLESHOOT...

Page 29: ...E a Offset 100mV b Offset 91 7 mV c Slope ideal slope by 30 Use a new buffer solution Replace electrode OVEr don t care ORP ABS or REL a ORP ABS display 2500 mV Bring solution to a lower ORP reading M...

Page 30: ...rA bAd During power on Unit has failed its RAM test Turn instrument OFF and back to ON again Return for service see Warranty IX pH BUFFERS The temperature characteristics of pH calibration buffers pH...

Page 31: ...4 50 1 71 4 06 6 83 9 02 4 06 6 97 9 83 11 71 55 1 72 4 07 6 83 8 99 4 08 6 97 9 80 11 57 60 1 72 4 09 6 84 8 97 4 10 6 98 9 78 11 45 Note The actual reading of the instrument can differ from the valu...

Page 32: ...5 4 20 mA Output Current output range 4 to 20 mA isolated Current output scale user programmable Maximum load 500 Accuracy 0 02mA Isolation voltage 500VDC Controller Control type five ON OFF control R...

Page 33: ...m is due to deviations or customer misuse Out of warranty products will be repaired on a charge basis RETURN OF ITEMS Authorization must be obtained from one of our representatives before returning it...

Page 34: ...34 B ABSOLUTE mV...

Page 35: ...35...

Page 36: ...36 C RELATIVE mV Updated May 28 2003...

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