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OPERATION MANUAL JENCO MODEL 6309 PDTF MICROCOMPUTER BASED pH/ DO/ Temperature CONTROLLER JENCO ELECTRONICS,LTD MANUFACTURER OF PRECISION INSTRUMENTS...
CONTENTS Page INITIAL INSPECTION and ASSEMBLY GENERAL INTRODUCTION USING THE JENCO MODEL 6309PDTF • FRONT PANEL • NORMAL MODE DISPLAY • REAR CONNECTORS • TURNING ON/OFF THE INSTRUMENT MODEL 6309PDTF • NORMAL MODE • CALIBRATION/SETTING MODE • PASSWORD CHECK page •...
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INITIAL INSPECTION and ASSEMBLY Carefully unpack the instrument and accessories. Inspect for damages made in shipment. If any damage is found, notify your Jenco representative immediately. All packing materials should be saved until satisfactory operation is confirmed. MOUNTING PROCEDURE • Make a cutout on any panel, with a thickness of 1/16 in.
GENERAL INTRODUCTION The Jenco Model 6309PDTF (pH, DO and Temperature) System is a rugged microprocessor based instrument assembled in a watertight ¼ DIN case, designed for use in laboratories and process control applications. The model 6309PDTF microprocessor allows the user to easily recalibrate the parameters for the probes.
6309 PDTF may also be remotely controlled from main display mode to all calibration/setting modes. USING THE JENCO MODEL 6309 PDTF 6309PDT JENCO MODE CAL. VIEW CURSO pH RECAL. FRONT PANEL • The [MODE/‐( )] key.
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2b. During Calibration/Setting mode this key will switch to the next available Calibration/Setting page. Pressing this key at the last User/Calibration page will return the user to the normal display mode. • The [ ] UP key. During Calibration/Setting mode this key will increment the current blinking digit of the active parameter.
NORMAL MODE DISPLAY : ‐ This will be displayed if Calibration/Setting pages are password locked meaning the user can’t change the values unless the correct 4 digit number has been entered. RELAY: ‐ This will show the status of the relays. At Power‐ON a “DISABLED”...
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LINEAR or pH ANTILOG is selected) or less than 1.0 % (if DO LINEAR is selected and RELAY/mA is set at %) or 0.10 ppm (if DO LINEAR is selected and RELAY/mA is set at ppm) and that the current output is disabled. H, L: ‐...
no analog output is supplied. H, L: ‐ One of these annunciators will be displayed if the temperature reading triggered the temperature relay setting. The temperature relay setting can be configured to HIGH or LOW. H: High action relay and the relay is energized. L: Low action control and the relay is energized.
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A. Connect the AC line to the rear of the instrument. The model 6309 PDTF can be used with110VAC or 220VAC 50/60 Hz . Power consumption is 6 watts. Make sure the EARTH connector is connected to the earth lead of the AC power line. B.
D. TURNING ON/OFF THE INSTRUMENT By just plugging the unit to a correct AC voltage the unit will be ready for use. There is no Power key so unplugging and plugging the unit will turn OFF or turn ON the unit respectively.
MODEL 6309 PDTF A. NORMAL MODE Turning ON the unit will always display in normal mode. The position of pH and DO display switched depending selected analog output on the CURRENT OUT SETTING page of the Calibration/ Setting mode. (See mode) ALIBRATION ETTING...
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the next page until the last page, where pressing [CAL/VIEW] again will return the user to normal mode. You can change any blinking words or digit by pressing the [ ] or ] keys. For options in digit format you need to press the [MODE/‐( ] key to move to the next digit.
PASSWORD CHECK page ‐ You will only see this page if the unit is password locked. To change any settings or calibration you need to unlock the system to remove the “PASSWORD LOCKED” message. You need to enter the correct 4‐ digit number on the “ENTER PASSWORD”...
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THE RELAYS AND THE ANALOG OUT WILL MAINTAIN THEIR LAST STATUS UNTIL THE USER RETURNS TO NORMAL DISPLAY MODE. VII. pH CALIBRATION ATC TEMP. – The current page ‐ temperature of the solution. • BUFFER 1 ‐ In this option you can select which buffer to use for thestandardization calibration.
Step by step pH calibration 4. Press the [CAL/VIEW] key to go to pH Calibration page. If the unit is password locked, remove the password lock first. 5. Select buffer 1 (7.00 or 6.86), by using the [ ] or [ /pH‐Recal.] ...
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Clean the pH electrode and temperature probe with the de‐ ionized/distilled water. Place the pH electrode and Temperature probe into buffer 2. 13. Press the [ ] key. A “WAIT” message will blink indicating that the instrument is waiting for a stable reading. The display will be locked to the buffer value corresponding to the temperature of buffer 2 (See IX.
pH CONTROL SETTING page ‐ VIII. • RELAY1 ‐ The control type for this relay is changeable, you can choose “HI”‐type or “LO” type. (In HI‐type, relay1 will turn ON if the pH is greater than the RELAY1 setting, in LO‐type, relay1 will turn ON if than RELAY...
• HYSTERESIS (mode) ‐This is the hysteresis mode for pH RELAY1 and pH RELAY2. You can choose “CENTER” or “EDGE”. (See section V. CONTROLLING THE RELAYS) • HYSTERESIS (value) ‐ This is the actual value of the hysteresis. You can change this value from 0.01pH to 3.99pH. . (See section V.
6309 PDTF/6309PDTF‐1 you will need the following information: • The approximate pressure (in mbar) of the region (See section X. DO ALTITUDE/PRESSURE TABLE) in which you plan to take your dissolved oxygen measurements. • The approximate salinity of the water you will be analyzing.
satisfied with the ppm setting, you need to press the [ ] ENTER key to save the new calibration. If the DO input within calibration range then the new calibration will be saved and move to the next page, otherwise an error message will be displayed. f.
to change the blinking digit; use the [MODE/‐] key to select another digit and the [ ] key to save the new a. HYSTERESIS (mode) ‐This is the hysteresis mode for RELAY3 and RELAY4. You can choose “CENTER” or “EDGE”. (See section V.
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ppm (if DO LINEAR is selected and RELAY/mA is set at ppm) then the CURRENT OUT will display “ERROR” indicating that the output is disabled. h. TEMP. CONTROL SETTING 1. RELAY 5 ‐ The temperature has only one relay to control you need to set what control type it will use, HIGH or LOW type.
2. RS 485 ID – this is the unique ID/Address for the unit. If you are connecting multiple model 6309PDTF/6309PDTF‐1 or other Jenco models for logging purposes then this ID/Address must be unique for each connected unit. This ID/Address is the same address that must be used by the PC program to communicate with this unit.
hysteresis value)], and will turn OFF at [(RELAY SETPOINT) ‐ (0.5 * hysteresis value)]. If the relay control type is set to HI and the hysteresis mode is EDGE, the relay will turn ON at (RELAY SETPOINT), and will turn OFF at [(RELAY SETPOINT ‐ (hysteresis value). If the relay control type is set to LO and the hysteresis mode is CENTER, the relay will turn OFF at [(RELAY SETPOINT) + (0.5 * hysteresis value)], and will turn ON at [(RELAY SETPOINT) ‐...
The action of the pH relays is dependent on set point, relay control type (HIGH or LOW), hysteresis mode (Center or Edge), hysteresis value and the current pH display (See figure 1.) Note: The user can set the RELAY1 and RELAY2 from 0.00 to 19.99 pH, but be reminded that the range of pH is –2.00 to 16.00 pH.
6.TEMPERATURE RELAY One relay channel is available for temperature display which has independent set point and HIGH or LOW action (see figure 1) setting, hysteresis mode (center or edge) and hysteresis value. The action of the Temperature relay is dependent on set point, relay action type (HIGH or LOW), hysteresis mode (Center or Edge), hysteresis value and the current Temperature display.
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pH Antilog 20mA 20mA 12mA 12mA 20mA 20mA Point Point Point Point 20mA 20mA output 12mA 12mA Figure 2 pH/DO pH/DO 20mA 20mA Point Point Point Point The pH The The PH LINEAR analog output is based on the following equation: = 4mA+(16mA)*(D ‐...
D.DO LINEAR OUTPUT The analog output will produce a linear analog output if the user selects this option. The analog output will be dependent on the DO_4 mA setting, DO_20 mA setting and the current DO display. The DO LINEAR analog output is based on the following equation: = 4mA+(16mA)*(D ‐...
Where: = analog output (pH) = current pH display (pH) pH(4) = pH user setting for 4 mA pH(2) = pH user setting for 20 mA. Note: • The user can set the 4mA and 20 mA OUT to 0.00 to 19.99pH but be reminded that the range of pH is –2.00 to 16.00 pH.
2. PREPARING THE METER This meter comes equipped with a 2‐wire RS485 interface. Just connect each terminal to the respective RS485 terminal on your PC. (If the DEMO program is not working, try reversing the connections of the terminals.) After you have connected correctly the meter (or multiple meters with unique ID number) and turned on both the meter(s) and the computer, you are now ready to program a simple routine to read data from the instrument.
ERROR DISPLAYS AND TROUBLESHOOTING DISPLAY Possible cause(s) display displa unit "OVER" "OVER Temperature > 120.0°C. " [Bring buffer/solution [Replace temperature probe.] No temperature sensor. [Use a temperature probe.] "UNDR" T>50.0 a. Temperature > 50.0°C. % or °C [Bring solution ppm ‐DO lower temperature.] % or "OVER"...
During power‐ Unit has failed its ROM test. ROM: BAD [Turn instrument OFF and back to ON again.] [Return for service. (See During power‐ Unit has failed its RAM test. RAM: BAD [Turn instrument OFF and back to ON again.] [Return for service.
Note: The actual reading of the instrument can differ from the values shown by ±0.01 pH. DO ALTITUDE/PRESSURE TABLE TABLE 2 Calibration values for a range of pressures and altitudes. Pressu Pressu Altitu Altitu Calibrati re mm- on Value 1023 -276 1013 1003...
SPECIFICATIONS Range Resolution Accuracy ‐2.00 to 16.00 pH 0.01 pH ±0.01 pH ± 1 LSD Display Range Accuracy Resolution ±0.2 % of span 0.01 ppm Dissolved O (ppm) 0.00 to 60.00 ppm (if DO% is OVER UNDER then DOppm will be OVER Dissolved O % (air‐...
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Hysteresis range 0.01ppm ‐ 9.99ppm GENERAL Audio feedback in all keys Keys 4‐digit password Security protect RS485 Communication 115VAC(6309PDTF‐1) or Power: 230VAC(6309PDTF) 50/60Hz 6 watts Power consumption 315mA/250V fast acting glass tube Fuse 0.0 to 50.0 °C Ambient temperature range...
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