JUMO ecoTRANS Lf 03 Operating Manual Download Page 49 | Manualshive

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49

Note

Possible errors: 2 identical calibration points or temperature
coefficient larger than 5.5%

- The instrument indicates an error.

✱

After pressing the

key or EXIT, the selected calibration

procedure is shown.

8.6 Calibrating the relative cell constant

General

Because of manufacturing variations, each conductivity cell has a
real cell constant which deviates slightly from the ideal nominal cell
constant. The real cell constant may drift due to dirt accumulating
on the cell.
This deviation of the real from the nominal cell constant is reflected
by the relative cell constant. The relative cell constant is determined
through calibration.

or

P

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Summary of Contents for ecoTRANS Lf 03

Page 1: ...ecoTRANS Lf 03 Transmitter Switching Device for Conductivity Type 202732 B 20 2732 0 Operating Manual 02 05 00429233...

Page 2: ......

Page 3: ...ling level RIGHT 19 6 8 The calibration level CALIB 20 7 Setting ranges 21 8 Configurable parameters 23 8 1 Inputs 24 8 1 1 Measurement input for conductivity submenu CON 24 8 1 2 Measurement input fo...

Page 4: ...lay 54 10 2 Manual operation of the relay outputs 54 10 3 Response of the relay during calibration 56 10 4 Pulse function of the relay output 56 10 5 Fault output 56 11 The USP contact for high purity...

Page 5: ...anipulations on the unit You could endanger your rights under the instrument warranty Please contact the nearest subsidiary or the head office in such a case Please read this operating manual before s...

Page 6: ...tter switching device for conductivity freely programmable ranges 2 Output I conductivity resistivity 888 analog signal output freely programmable 3 Output II temperature 888 analog signal output free...

Page 7: ...ibility conforms to the standards and regulations cited in the technical data The instrument is not suitable for use in areas with an explosion hazard Ex areas Apart from faulty installation incorrect...

Page 8: ...ified in the connection diagram may result in the destruction of the instrument Run input output and supply cables separately and not parallel to one another Probe leads must be implemented as twisted...

Page 9: ...ment Outputs Terminals Symbol I Analog signal output for conductivity electrically isolated 5 6 II Analog signal output for temperature electrically isolated 7 8 P K1 EXIT 4 3 2 1 5 8 7 6 13 L L 14 9...

Page 10: ...Terminals Symbol Conductivity cell 14 13 outer electrode on coaxial cells inner electrode on coaxial cells Resistance thermometer in 2 wire circuit 9 12 temperature sensor Resistance thermometer in 3...

Page 11: ...erminals Symbol Supply voltage with reverse polarity protection L L Conductivity cell JUMO types JUMO ecoTRANS Lf 03 Plug in head Attached cable Outer electrode white 14 Inner electrode 2 brown 13 Tem...

Page 12: ...nductivity of a solution depends on temperature i e the conductivity of a solution increases with rising temperature The temperature coefficient of the solution describes the dependence of conductivit...

Page 13: ...in the alternating mode Static display default setting Compensated conductance with current unit Alternating display fixed rhythm approx 3 seconds Compensated conductance with Current temperature wit...

Page 14: ...e user 1 In the factory default setting all parameters are set to READ which means that all parameters can only be read at the operator level but not altered 2 The codes for the administrator and enab...

Page 15: ...it must be enabled at the enabling level set from rEAd to Edit Press the UP or DOWN key to increase or decrease the value Accept the value by pressing the P key Use the EXIT key to cancel the entry an...

Page 16: ...return after 60 sec without operator action see Chapter 6 5 The operator level USER page 17 see Chapter 6 6 The administrator level ADMIN page 18 see Chapter 6 7 The enabling level RIGHT page 19 see C...

Page 17: ...17 6 5 The operator level USER...

Page 18: ...18 6 6 The administrator level ADMIN...

Page 19: ...19 6 7 The enabling level RIGHT Parameters at the operator level USER Value is shown can be altered EDIT X X READ X...

Page 20: ...ating the temperature coefficient using automatic temperature measurement page 44 or Chapter 8 5 Calibrating the temperature coefficient using manual temperature entry page 47 3 see Chapter 8 6 Calibr...

Page 21: ...mho cm 1 10 0 1000 S cm 0 1000 mho cm 3 11 0 2 00 mS cm 0 2 00 mmho cm 2 12 0 10 00 mS cm 0 10 00 mmho cm 3 4 13 0 20 00 mS cm 0 20 00 mmho cm 2 14 0 100 0 mS cm 0 100 0 mmho cm 3 4 31 cm 15 0 30 00 m...

Page 22: ...1 00 50 00 k cm 3 11 cm 9 2 00 99 99 k cm 1 10 1 00 50 00 k cm 3 11 0 50 25 00 k cm 2 12 0 10 5 00 k cm 3 4 13 2 14 3 4 31 cm 15 3 4 101 cm 16 3 4 17 3 not recommended not possible The deviations from...

Page 23: ...r it may be necessary to adjust other parameters as well because some parameters are affected by others Example When altering the measuring range the display format setpoints and other parameters will...

Page 24: ...20 S cm K 0 01 1 cm 05 0 5 S cm K 0 1 1 cm 06 0 20 S cm K 0 1 1 cm 07 0 200 S cm K 0 1 1 cm 08 0 1000 S cm K 0 1 1 cm 09 0 500 S cm K 1 1 cm 10 0 1000 S cm K 1 1 cm 11 0 2 mS cm K 1 1 cm 12 0 10 mS c...

Page 25: ...C 0 S cm or mS cm 1 mho cm or mmho cm 2 k cm 3 M cm Filter constant for conductivity 2nd order filter DF CON 0 2 99 seconds Relative cell constant CELL C 20 00 100 500 0 Parameter Display Setting ran...

Page 26: ...nation Note If compensation is activated the USP contact or USP pre alarm functions are deactivated See also Chapter 11 The USP contact for high purity water page 57 Temperature coefficient of liquid...

Page 27: ...S cm can be compensated by entering the lead resistance Actual value correction for conductivity offset OF CON Setting range and representation of numbers depend on the measuring range 0 00 mS cm Note...

Page 28: ...0 Manual temperature entry 1 Pt100 2 Pt1000 3 NTC 2 k 4 KTY 10 11 6 5 NTC 2 25 k 6 customer specific Connection type of temperature sensor WIRE 2 2 wire 3 3 wire 4 4 wire Filter constant temperature...

Page 29: ...setting depends on the selected temperature unit UNIT T Actual value correction for temperature offset OFF TE 20 00 to 0 to 20 00 C or 36 to 0 to 36 F Note The default setting depends on the selected...

Page 30: ...tion 1 MAX contact conductivity make similar to LK7 2 2 MIN contact conductivity break similar to LK8 2 3 MAX contact temperature make similar to LK7 2 4 MIN contact temperature break similar to LK8 2...

Page 31: ...5 C or 9 F Pull in delay T ON1 0 2 999 seconds Drop out delay T OFF1 0 1 999 seconds Note The parameter is only active if pulse time T PUL1 0 Pulse time T PUL1 0 999 seconds see Chapter 10 Relay outp...

Page 32: ...1 OFF no manual mode 0 inactive 1 active USP pre contact S USP1 0 20 100 Note If the USP contact or the USP pre contact is activated temperature compensation FCT TC is deactivated See also Chapter 11...

Page 33: ...X contact conductivity make similar to LK7 2 2 MIN contact conductivity break similar to LK8 2 3 MAX contact temperature make similar to LK7 2 4 MIN contact temperature break similar to LK8 2 5 USP co...

Page 34: ...5 C or 9 F Pull in delay T ON2 0 2 999 seconds Drop out delay T OFF2 0 1 999 seconds Note The parameter is only active if pulse time T PUL2 0 Pulse time T PUL2 0 999 seconds see Chapter 10 Relay outp...

Page 35: ...2 OFF no manual mode 0 inactive 1 active USP pre contact S USP2 0 20 100 Note If the USP contact or the USP pre contact is activated temperature compensation FCT TC is deactivated See also Chapter 11...

Page 36: ...isplay Setting range 1 Type of standard signal OUT CO 0 0 20 mA 1 4 20 mA 2 20 0 mA 3 20 4 mA 4 0 10 V 5 2 10 V 6 10 0 V 7 10 2 V Note If the standard signal type OUT CO is changed manual operation of...

Page 37: ...e End value for scaling SCH CO According to measuring range in configured unit 2 00 mS cm Note Between the scaling start value SCL CO and the scaling end value SCH CO there must be a difference of at...

Page 38: ...or 0 10 7 V Parameter Display Setting range 1 Type of standard signal OUT TE 0 0 20 mA 1 4 20 mA 2 20 0 mA 3 20 4 mA 4 0 10 V 5 2 10 V 6 10 0 V 7 10 2 V Note If the standard signal type OUT TE is chan...

Page 39: ...TE there must be a difference of at least 10 of the measuring range End value for scaling SCH TE 16 to 250 0 C or 59 to 482 F Note Setting range and default setting depend on the selected temperature...

Page 40: ...1 current state is retained Response to fault ERR TE 0 LOW e g 0 V 1 HIGH e g 10 V Manual operation of analog output for temperature SIM TE OFF no manual mode 0 22 mA or 0 10 7 V Parameter Display Se...

Page 41: ...cient of the solution being measured must be known The temperature can either be measured automatically with a temperature sensor or set manually by the user The temperature coefficient can be determi...

Page 42: ...rcuit of the transmitter is electrically isolated from ground If this is not assured then one of the following safety measures should be taken 1 Use a computer without electrical coupling to ground e...

Page 43: ...h continue with Chapter 8 4 Calibrating the temperature coefficient using automatic temperature measurement page 44 or Chapter 8 5 Calibrating the temperature coefficient using manual temperature entr...

Page 44: ...re is displayed WORK T shows you that the working temperature that will be used later on has to be entered Note The reference and working temperatures must differ by at least 5 C Enter the working tem...

Page 45: ...king temperature The LC display shows the temperature in the upper line and the uncompensated conductivity in the line below The conductivity value will be accepted automatically on reaching the worki...

Page 46: ...uctivity the actual value Note Possible errors 2 identical calibration points or temperature coefficient larger than 5 5 The instrument indicates an error After pressing the key or EXIT the selected c...

Page 47: ...measured WORK T shows you that the working temperature that will be used later on has to be entered Note The reference and working temperatures must differ by at least 5 C Enter the working temperatur...

Page 48: ...conductivity is shown in the bottom line in the LC display The current value can be accepted immediately by pressing for less than 1 second The temperature coefficient that was calculated is displayed...

Page 49: ...ng the relative cell constant General Because of manufacturing variations each conductivity cell has a real cell constant which deviates slightly from the ideal nominal cell constant The real cell con...

Page 50: ...isplayed is stable press for less than 1 second Enter the actual conductivity of the reference solution setpoint with the or key Press for less than 1 second The relative cell constant that was calcul...

Page 51: ...ument indicates an error After pressing or EXIT the selected calibration procedure is shown see Chapter 8 3 Selecting the calibration procedure page 43 The latest valid measurement continues to be act...

Page 52: ...al can adopt the LOW or HIGH condition in the event of a fault The analog outputs are configured at the operator level USER or the administrator level ADMIN in CO OUT conductivity output and TE OUT te...

Page 53: ...log output The JUMO ecoTRANS Lf 03 can output a constant analog signal for test purposes or commissioning see also Chapter 10 2 Manual operation of the relay outputs page 54 Below scaling range Within...

Page 54: ...the relay outputs The transmitter can output a constant signal for test purposes or commissioning a system The parameter USER BIN 1 or BIN 2 SIM 1 or SIM 2 can be used to set manual operation to OFF...

Page 55: ...e logic output 1 4th place logic output 2 if available In the example above the analog temperature output is in manual mode all other outputs are not On leaving the manual mode the output signal immed...

Page 56: ...ter an adjustable pulse time The parameter available for this purpose is USER BIN 1 or BIN 2 T PUL1 or T PUL2 It can be set from 0 0 seconds no pulse function to 999 999 seconds The LED K1 is lit up r...

Page 57: ...e the conductivity of the water is higher than specified in the USP table the USP contact of the JUMO ecoTRANS Lf 03 will switch The limits are defined in steps at 8 C for example a value of 5 C is ap...

Page 58: ...e configured contact will switch 11 1 USP pre alarm The USP pre alarm switches before the water quality reaches the set limit The parameter USER BIN 1 S USP1 0 100 can be used to define a margin betwe...

Page 59: ...wo LEDs indicate the operating states 12 2 Underrange Below measuring range 12 3 Overrange Above measuring range 12 4 Probe break Device status LED red top LED yellow bottom Normal operation off on wh...

Page 60: ...her dependent parameters are altered automatically 12 7 Calibration timer has run down In accordance with the specifications of the plant manufacturer for example calibration of the cell constant and...

Page 61: ...this is not assured then one of the following safety measures should be taken 1 Use a computer without electrical coupling to ground e g battery operated notebook The computer must not be connected to...

Page 62: ...UMO ecoTRANS Lf 03 1 Navigation tree The navigation tree allows quick access double click to the individual setting options 2 Diagnosis window A soon as a connection with a device has been established...

Page 63: ...on the cell constant see Chapter 7 Setting ranges page 21 for details Deviation from characteristic conductivity see Chapter 7 Setting ranges page 21 Reference temperature for temperature compensatio...

Page 64: ...eristic with 30 calibration points Zero point calibration temperature input Zero point errors caused by the system can be compensated within the range 20 to 20 C Analog outputs freely configurable 0 2...

Page 65: ...conductivity input out of range short circuit temperature input out of range probe short circuit probe break In a fault condition the outputs adopt a defined configurable state Data backup EEPROM Supp...

Page 66: ...ution degree 2 Electromagnetic compatibility to EN 61 326 interference emission Class B interference immunity to industrial requirements Housing housing for DIN rail mounting PC polycarbonate Mounting...

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