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JUMO 202610.0, Operating Instructions Manual, Page: 61 / 68

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JUMO 202610.0 Operating Instructions Manual Download Page 61

61

13 Eliminating faults and malfunctions

Fault / malfunction

Possible cause

Elimination

Precautionary 
measures

No reading

No sensor reaction

No supply

Check supply voltage.

➩

 "Installation”, page 

30ff.

Check electrical 
connection.

➩

 "Installation”, page 

30ff.

Jumper is missing.

Check electrical 
connection.

➩

 Chapter 7 “Installa-

tion”, page 30

No flow

Check flow and 
restore, if necessary.

➩

 Chapter 5.1 

“Technical data of the 
two-wire transmitter”, 
page 15.

Deposits on 
membrane

Clean membrane.

➩

 "Cleaning”, page 

58.

Sensor damaged

Replace sensor.

➩

 "Replacing the 

sensor module”, page 
59.

Then recalibrate.

➩

 "Calibration”, page 

42ff.

Indicated value is too 
high

Clean cell membrane

➩

 "Cleaning”, page 58

and / or:

wait for stable output 
signal, then
recalibrate.

➩

 "Calibration”, page 

42ff.

Sensor damaged

Replace sensor.

➩

 "Replacing the 

sensor module”, page 
59.

Then recalibrate.

➩

 "Calibration”, page 

42ff.

Summary of Contents for 202610.0

Page 1: ...Type 202610 0 Two wire Transmitter for dissolved oxygen DO and terminal box operating unit B 20 2610 0 Operating Instructions 12 05 00394433...

Page 2: ......

Page 3: ...eplate 14 4 2 Type designation 14 5 Instrument description 15 5 1 Technical data of the two wire transmitter 15 5 2 Technical data for the terminal box operating unit 16 6 Assembly 17 6 1 Two wire tra...

Page 4: ...brating 42 11 Operation 45 11 1 Function 45 11 2 Display in measurement mode 46 11 3 Principle of operation 47 11 4 Configuration level 47 11 5 Parameter level 49 11 6 Special functions 56 11 7 CODE 5...

Page 5: ...s symbol is used when your special attention is drawn to a remark Reference This symbol refers to further information in other chapters or sections abc1 Footnote Footnotes are remarks that refer to sp...

Page 6: ...e described in this manual However if any difficulties should still arise during start up please do not carry out any unauthorized manipulations You could endanger your rights under the instrument war...

Page 7: ...ibration function can be initiated locally An optional setup program is available for configuring the transmitter The two wire transmitter is powered by a separate power supply optional e g JUMO TN 22...

Page 8: ...8 is a suitable indicator controller for the basic version This instrument is recommended where there is no requirement for a direct connection to a PLC or recorder The JUMO dTRANS Az 01 can also prov...

Page 9: ...for temperature The instrument is operated from the membrane keypad and operator prompting in plain text ensures that operation is straightforward The instrument is configured via the operating unit P...

Page 10: ...addition this version comes with two freely programmable relays for alarm generation and limit monitoring The display features backlighting PLC Visualization or similar Supply 110 240 V or 20 30 V AC...

Page 11: ...s reservoirs etc O2 enrichment of drinking water 3 2 Construction of the dTRANS O2 01 The oxygen transmitter consists of the housing 1 with the transmitter electronics and the connecting cable 2 the s...

Page 12: ...working resistance a current will flow that is linearly proportional to the reduced oxygen and therefore to the oxygen dissolved in the sample liquid The cell has no zero current which means that when...

Page 13: ...c pressure only slightly influence the measurement variable they do not have to be automatically taken into account or the present atmospheric pressure is measured and entered on the transmitter The d...

Page 14: ...S O2 01 Bedieneinheit Typ 202610 80 500 2000 08 28 F Nr 12345678 00 0 0051 0004 DC 19 31V 1 Basic type 202610 Two wire transmitter for dissolved oxygen DO 2 Basic type extensions 80 Basic version1 81...

Page 15: ...A Measurement units mg liter or saturation standard setting mg liter Accuracy 1 of range end 20 mg liter Temperature compensation 0 to 50 C Atmospheric pressure compensation via direct input of atmosp...

Page 16: ...hics display visible area 56 x 21 mm background lighting on maximum version Permissible ambient temperature basic version 10 to 70 C standard and maximum version 10 to 50 C Electrical connection plugg...

Page 17: ...o enable easy access for calibration at a later time Care has to be taken that the support columns and fittings are safely secured and largely free from vibration For submerged operation in activation...

Page 18: ...e to allow regular maintenance and cleaning of the transmitter or the fitting itself Bypass measurements are recommended Shut off valves should be provided so that the transmitter can be removed Where...

Page 19: ...ssembly Flow through fitting hose connection Material housing PVC pipe clip PP Permissible temperature 5 to 50 C Safe pressure up to 1 bar Connection G1 4 1 4 pipe for 8 x 6 mm hose dia Sales No 20 00...

Page 20: ...stage The fitting must be easily accessible to allow regular maintenance and cleaning of the transmitter or the fitting itself The suitability of the materials of the fitting and the transmitter e g c...

Page 21: ...21 6 Assembly...

Page 22: ...o allow regular maintenance and cleaning of the transmitter or the fitting itself The fitting and with it the transmitter must not strike the side of the basin as a result of pendular movements The su...

Page 23: ...23 6 Assembly...

Page 24: ...be noted at the design stage The fitting must be easily accessible to allow regular maintenance and cleaning of the transmitter or the fitting itself When the depth of water fluctuates it must be ens...

Page 25: ...to 50 C Fitting mounting 40 mm Sales No 20 00397483 Suitable immersion fitting Immersion length 500 mm Sales No 20 00398131 Immersion length 1500 mm Sales No 20 00398135 850 ca 330 Immersion fitting w...

Page 26: ...ly accessible to allow regular maintenance and cleaning of the transmitter or the fitting itself The fitting and with it the transmitter must not strike the side of the basin as a result of pendular m...

Page 27: ...her protection canopy Terminal box or operating unit Pedestal base approx 1700 approx 1500 Suspended fitting for two wire transmitter for dissolved oxygen Pipe mounting assembly Support column or vert...

Page 28: ...uded in delivery Screw the four fixing brackets onto the terminal box operating unit The fixing brackets can be rotated in 90 steps Mount the terminal box operating unit to a wall or plate by the fixi...

Page 29: ...nting For panel mounting only the the top of the housing is installed Remove four screws 2 and open cover 3 Lift spring 1 with screwdriver and push it sideways Tilt cover 3 to one side and push it off...

Page 30: ...o not run them close to current carrying components or cables Ground shielding at one end to the TE terminal on the instrument The TE terminal on the instrument must be earthed This cable must have at...

Page 31: ...rsion terminal box Connection diagram To connect the single conductors pull off the pluggable screw terminals 1 in the terminal box operating unit Feed the connection cables through the Pg glands 2 2...

Page 32: ...w 3 TXD White 4 b Pt1000 Brown 5 a Pt1000 Red 6 e I Blue 7 e I Screen 8 Gray 11 start CAL Connection Screw terminals Supply 19 31 V DC 10 L 12 L Input from two wire transmitter for dissolved oxygen 1...

Page 33: ...Setup Two wire transmitter for dissolved oxygen Outside area Supply voltage 24 V DC Input 4 20 mA dissolved oxygen PLC PC Indicator Controller Input for meas point temperature 4 20 mA optional Termin...

Page 34: ...ole connection cable to O2 transmitter O2 e l TE Temp E l Color Terminal in operating unit Signal Pink 1 RXD Green 2 GND Yellow 3 TXD White 4 b Pt1000 Brown 5 a Pt1000 Red 6 e I Blue 7 e I Screen 8 Gr...

Page 35: ...2 L Output measurement point temperature Proportional 4 20 mA current in supply 14 15 Connection Screw terminals 1 8 14 15 10 12 Setup Two wire transmitter for dissolved oxygen Outside area Supply vol...

Page 36: ...8 pole connection cable to O2 transmitter O2 e l TE Temp e l 21 20 19 18 17 16 N L1 common NC NC make common make Contact 1 Contact 2 Supply Color Terminal in operating unit Signal Pink 1 RXD Green 2...

Page 37: ...rding instrument or similar or a jumper between the terminals 10 and 11 10 L 11 L Output measurement point temperature 4 20 mA 2 wire 13 L 14 L Connection Screw terminals 1 8 14 13 10 11 Setup L1 N Tw...

Page 38: ...7 Installation 38 Connection stand alone 1 8 14 13 10 11 Setup L1 N Two wire transmitter for dissolved oxygen Outside area Supply Operating unit Control room Jumper...

Page 39: ...ta transmission from or to the transmitter can only take place when it is connected to the supply Chapter 7 Installation page 30ff The setup interface and the analog output are electrically isolated W...

Page 40: ...rried out in an area of low oxygen concentration the run in time may be considerably longer since the excess oxygen in the electrolyte of the cell has to be used up first The transmitter has been test...

Page 41: ...a sensor slope of more than 150 is calculated an error message will be generated and the calibration canceled Depending on the age pretreatment and storage conditions the oxygen cells in their origin...

Page 42: ...two ways in vapor saturated air i e in close proximity to the water surface The sensor must however remain dry in air saturated water For this the water is aerated until it is saturated with air Air c...

Page 43: ...transmit ter for dissolved oxygen goes into the measurement mode mg l At a water temperature of 20 C an oxygen content of about 9 mg l will be displayed The output signal for the measurement range wh...

Page 44: ...he old calibration data Standard and maximum versions The LC display signals ERROR Keep the pressed down The old calibration data will be restored and the two wire transmitter for dissolved oxygen wil...

Page 45: ...t calibration 1 1 PGM key Confirm entries step on with parameters 5 LC display 2 EXIT key cancel entry without saving cancel calibration 6 SERVICE key call up service function 3 DOWN key decrease valu...

Page 46: ...o communication between transmitter and operating unit In the SETUP or DATA status the measurements are not updated in the LC display 4 The instrument is in the service mode The output current for dis...

Page 47: ...ditional parameters that can be selected 3 Arrow pointing up appears when the UP key can be used to select additional parameters above the ones shown 2 Configuration parameter whose settings can be se...

Page 48: ...nfiguration level or time out about 25 sec EXIT PGM Measurement mode 2 s O2 INPUT EXIT EXIT EXIT EXIT EXIT ANALOG OUTPUT RELAY 2 SERVICE TEMPERATURE INPUT RELAY 1 EXIT OPERATION Page 50 Page 51 Page 5...

Page 49: ...selected at the configuration level 2 The parameter that can be altered at the parameter level Step on to the next parameter with 3 Selection option between different settings or alterations of values...

Page 50: ...T MEMBRANE or time out EXIT PGM O OFFSET 2 or time out EXIT PGM FILTER TIME or time out EXIT PGM SLOPE O 2 or time out EXIT PGM Configuration level O2 INPUT O2 UNIT or time out PGM Selection value ran...

Page 51: ...PUT TEMPERATURE UNIT or time out EXIT PGM TEMPERATURE OFFSET or time out EXIT PGM FILTER TIME SEC or time out EXIT PGM T COMPENSATION or time out EXIT PGM MANUAL TEMPERATURE or time out Selection valu...

Page 52: ...esistance signal Pt1000 or fixed setting 0 to 50 C corresponding to 4 20 mA EXIT PGM Configuration level ANALOG OUTPUT SCALING 4 mA or time out EXIT PGM SCALING 20 mA or time out EXIT PGM ON OVERRANGE...

Page 53: ...t EXIT PGM PULL IN DELAY or time out EXIT PGM DROP OUT DELAY or time out EXIT PGM FUNCTION K1 K2 or time out EXIT PGM K1 K2 ON OVERRANGE or time out EXIT PGM CONTACT TYPE K1 K2 or time out Selection v...

Page 54: ...l SERVICE EXIT PGM Configuration level SERVICE ANALOG OUTPUT mA or time out EXIT PGM K1 WITH SERVICE or time out EXIT PGM K2 WITH SERVICE or time out Selection value range Standard 3 6 21 0 18 0 ACTIV...

Page 55: ...el OPERATION or time out EXIT PGM CODE FUNCTION or time out EXIT PGM LCD LIGHTING or time out CODE Selection value range Standard 0 999 9 0 ACTIVE or INACTIVE INACTIVE ALWAYS ON ALWAYS OFF IN OPERATIO...

Page 56: ...at the parameter level SERVICE page 54 Deactivate by pressing the SERVICE key again CALIBRATION Pressing the key for more than 2 seconds will start the calibration procedure The output signal will be...

Page 57: ...on to the parameter CODE Use the UP or DOWN key to select the value 300 Confirm the value 300 with the key Full operation is now possible Switch back to the measurement mode by repeatedly pressing the...

Page 58: ...f necessary Immerse transmitter in drinking water or in a 1 5 hydrochloric acid solution only for up to 10 minutes Then rinse thoroughly with drinking water Simple testing of the measurement function...

Page 59: ...years A grayish white deposit may form on the anode of the sensor module This deposit does not affect the functioning of the measuring cell After the sensor module has been replaced the two wire tran...

Page 60: ...e 60 Installation Screw on protection basket 1 1 3 cw turn to the notch Insert sensor module 3 into transmitter 5 keeping it straight Make sure that the seal 4 is seated correctly Screw on union nut 2...

Page 61: ...ge 30 No flow Check flow and restore if necessary Chapter 5 1 Technical data of the two wire transmitter page 15 Deposits on membrane Clean membrane Cleaning page 58 Sensor damaged Replace sensor Repl...

Page 62: ...maged Replace sensor Replacing the sensor module page 59 Then recalibrate Calibration page 42ff Noise interference on measurement cable Route measurement and control cables separately from supply cabl...

Page 63: ...ops unexpectedly after calibration The run in time was too short The electrolyte in the cell still contains excess oxygen that is used up at the cathode during the run in phase Extend the run in time...

Page 64: ...ting see page O2 INPUT O2 UNIT mg l or mg l 48 PRESSURE COMPENS HEIGHT AMSL or ATMOSPH PRESSURE HEIGHT AMSL HEIGHT AMSL 0 3000 m 300 ATMOSPH PRESSURE 500 1500 hPa 976 SALINITY 0 100 0 PROTECT MEMBRANE...

Page 65: ...RVICE ANALOG OUTPUT 3 6 21 0 18 0 52 K1 WITH SERVICE ACTIVE or INACTIVE ACTIVE K2 WITH SERVICE ACTIVE or INACTIVE ACTIVE OPERATION CODE 0 999 9 0 53 CODE FUNCTION ACTIVE or INACTIVE INACTIVE LCD LIGHT...

Page 66: ......

Page 67: ...108 6 4 5 Note 1 Fix template to appropriate surface 2 Drill holes 4 5 mm and 10 mm dia as marked 3 Use a piercing saw or similar tool to cut out the template along the inside of the marked line 4 Deb...

Page 68: ......

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