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BA 174C/07/en/01.98
No. 50088699
Software version 1.0 or later

liquisys

CUM 252
Transmitter
for Turbidity and
Solids Content

Operating Instructions

Hauser

Endress

Nothing beats know-how

Содержание Liquisys CUM 252

Страница 1: ...BA 174C 07 en 01 98 No 50088699 Software version 1 0 or later liquisys CUM 252 Transmitter for Turbidity and Solids Content Operating Instructions Hauser Endress Nothing beats know how...

Страница 2: ...ment The required steps are described in these chapters Installation First start up You wish to operate or reconfigure the instrument The operating concept is explained in these chapters Operation Ins...

Страница 3: ...ace 16 6 2 Display elements 16 6 3 Key functions 18 6 4 Operating concept 19 6 5 Operation example 21 6 6 Auto manual operating mode 23 7 Instrument configuration 25 7 1 Measuring point configuration...

Страница 4: ...s to possible malfunction due to operator error Note This symbol indicates important items of information 1 2 Conformity statement The Liquisys CUM 252 measuring transmitter has been developed and man...

Страница 5: ...personnel must have read and understood these operating instructions and must adhere to them 2 3 Safety devices Access code Unauthorised access to the calibration and configuration data of the measuri...

Страница 6: ...water monitoring Drinking water Surface water rivers lakes dams ocean Service water Indirect discharge Water recycling 3 2 Measuring system UM252SYS CDR Universal suspension assembly CYH 101 Sensor CU...

Страница 7: ...ected by access code Quick calibration using the CAL key Two switched outputs which can be configured as limit contacts One contact which can be configured as a spray cleaning contact One switched out...

Страница 8: ...wer supply 230 V AC 1 Power supply 115 V AC 2 Power supply 200 V AC 3 Power supply 24 V AC 5 Power supply 100 V AC 8 Power supply 24 V DC 9 Special version to customer specifications Measurement outpu...

Страница 9: ...holder Installation for immersed operation e g in activated sludge basins CYA 611 Immersion assembly CUA 250 Flow assembly Installation for flow operation CUA 461 Retractable assembly Installation fo...

Страница 10: ...rsion according to the nameplate see chapter 3 4 Accessories Operating instructions Included in delivery 1 set of plug in screw terminals 1 cable gland Pg 7 1 cable gland Pg 16 reduced 2 cable gland P...

Страница 11: ...ries Install the post mounting kit on the rear of the instrument Installation is possible on horizontal or vertical piping The maximum pipe diameter is 60 mm see figure 4 2 pm252wan cdr 115 157 154 17...

Страница 12: ...wall or post mounting Weather protection cover CYY 101 Weather protection cover for outdoor use of instrument to be installed on field housing Dimensions 320 300 270 mm H W D Material stainless steel...

Страница 13: ...mains disconnecting device must be installed close to the instrument Before connecting the instrument to the mains make sure the mains voltage matches the voltage rating on the nameplate Instrument c...

Страница 14: ...49 48 47 59 58 57 43 42 41 L N L L 96 S S S 81 82 mA 32 31 TU mA 34 33 gn wt bn 10 50 V ye UM252A3E CDR Sensor CUS 31 CUS 41 Contact status shown no current fault present Hold input Signal output 1 TU...

Страница 15: ...ance terminals and Pg 13 5 cable glands for cable entry Material painted aluminium protection type IP 65 Order no 50003987 Extension cable 2 2 wire shielded twisted pair cable 4 5 Packaging and dispos...

Страница 16: ...e power up make sure that there is no risk of damage to the system the instrument is a part of for example due to valves or pumps that might operate in an uncontrolled manner etc Power up test After p...

Страница 17: ...Contact function limit contactor 2 MAX contact without delay switches when limit 2 is exceeded Current outputs 1 and 2 4 20 mA Current output 1 TU value for 4 mA signal current 0 FNU Current output 1...

Страница 18: ...indication for continuous limit violation sensor process alarm sensor error AD converter overflow or system error Liquid crystal display for display of measured values and configuration data 4 main c...

Страница 19: ...etup calibr mode e g parameter setting Error indicator Setup mode indicator configuration Measuring mode indicator normal operation Calibration mode indicator In measuring mode main measurement value...

Страница 20: ...the data entered in setup mode starting calibration In measuring mode Relay wiper operation in manual mode In setup mode Function group selection setting of parameters and numerical values the setting...

Страница 21: ...t not changed Note If no key is pressed for 30 s the instrument returns to the measuring mode Quick calibration mode 3 pt calibration Execution of calibration routine followed by return to the measuri...

Страница 22: ...nd keys are used for option selection and editing Selections must be confirmed by pressing the E key Pressing the and keys at the same time terminates programming and accepts the changes made Note If...

Страница 23: ...tion Note If the hold function is to remain active even after a power failure the hold contact input is to be used 6 5 Operation example Note Cf menu structure on fold out back page Supposing the limi...

Страница 24: ...FNU to 120 0 FNU Confirm the entry The instrument advances to the next function Change the factory setting of Hi upper limit Max Function to Lo lower limit Min Function Confirm the setting The instrum...

Страница 25: ...instrument returns to the measuring mode 6 6 Auto manual operating mode Auto mode In this mode of operation the relays are controlled by the measuring transmitter The limit settings can also be displ...

Страница 26: ...urrent operating mode setting is retained even in the event of a power failure The manual mode has precedence over an external hold request um rel cdr Relay 1 can only be operated manually even though...

Страница 27: ...setting is merely displayed and cannot be changed Selection of configuration for relay 1 and relay 2 oFF no function of relays LC limit contact limit contactor SC spray cleaning spray cleaning contact...

Страница 28: ...t pause between the end and beginning of a cleaning interval 1 1440 min Default 119 min Entry of HOLD time after cleaning CL H clean HOLD time after cleaning during which the HOLD state is to remain...

Страница 29: ...imits 1 and 2 is the same and is therefore only described once Characteristic of limit contactors MIN function Lo MAX function Hi SP 1 SP 2 on off X HYS HYS diagr_gw cdr Fig 7 2 Characteristic of limi...

Страница 30: ...lt Limit 1 Lo Limit 2 Hi All possible combinations of the two contacts Lo Lo Lo Hi Hi Lo and Hi Hi can be selected Defines the hysteresis for limit contactor 1 2 in FNU ppm g l or depending on measure...

Страница 31: ...output 1 Entry of turbidity or solids concentration value for 20 mA r 20 value for 20 mA 0 9999 FNU 0 9999 ppm 0 300 g l 0 200 depending on meas range selected Default 9999 FNU 9999 ppm 300 0 g l 200...

Страница 32: ...closing time is approx 1 s Selection of calibration data set for measured quantity selected dAt data set 1 3 Default 3 See explanations below table Copy function used to copy a data set to another sto...

Страница 33: ...2 are programmed at the factory depending on the application range these cannot be modified read only The others are assigned standard characteristics at the factory which can be adapted by the user 3...

Страница 34: ...sample of a known turbidity or known solids concentration and the correct turbidity solids concentration value is entered Field Selection range Display Info Selection of 1 point adaptation method 1Pt...

Страница 35: ...in the transmitter thereby adjusting the characteristic Field Selection range Display Info Selection of reflection adaptation method 1Pt 1 point adaptation rEFL reflection adaptation 1Pt rEFL Default...

Страница 36: ...is procedure is that only the turbidity or solids concentration value of the original sample needs to be determined in the laboratory However this procedure is not a mandatory prerequisite for calibra...

Страница 37: ...he concentration values of the diluted samples are then computed automatically 3 point wet calibration function 1 Description Display Info Select function SEnS in first field of function group confirm...

Страница 38: ...ered the symbols Err and Sensor flash on the display Repeat entire calibration sequence Immerse the sensor in the sample with the highest concentration i e preferably the original sample A value of 10...

Страница 39: ...concentration with and Accept the value with E The display advances to let you enter the 2nd calibration value A maximum concentration value of up to 80 of the upper measuring range value is permissib...

Страница 40: ...bration result data After calibration the characteristics of the current calibration data set are displayed in this function group and can be read out Relative calibration results The relative calibra...

Страница 41: ...lay of relative calibration result for calibration point3 Pt 3 calibration point3 10 0 500 0 Display of calibration characteristic parameter slope1 s1 slope1 2 0 999 9 1000 3000 Only exists for g l an...

Страница 42: ...hich exceeds the alarm delay setting specified in the ConF menu Effect Alarm LED is on Alarm contact 41 42 is closed 8 2 Errors Editing error If values outside of the permissible value range are enter...

Страница 43: ...1 EEPROM error 2 Internal communication error Effect Alarm LED is on Alarm contact 41 42 is closed Hold function is activated If the system error cannot be eliminated by switching the power supply to...

Страница 44: ...on in pipeline pipe filled only partially Install in a vertical pipe with upward flow Electrical screen Connect screen Display value too high Sensor soiled Clean Incorrect calibration Recalibrate Refl...

Страница 45: ...four screws on the connection space cover and remove the cover The fuse is located in the upper right corner of the connection space in the black upright fuse holder To change the fuse loosen the fuse...

Страница 46: ...range 0 4 20 mA Measurement deviation max 0 75 of MR Load max 500 Output range adjustable 0 1 FNU 1g l 0 1 10 ppm Temperature measurement Temperature sensor NTC 30 k at 25 C Display range 5 0 70 C Mea...

Страница 47: ...contacts Switching current With ohmic load cos 1 max 5 A With inductive load cos 0 4 max 3 A Switching voltage max 250 V AC 30 V DC Switching power With ohmic load cos 1 max 1250 VA AC 150 W DC With...

Страница 48: ...ENV 50142 1994 Nominal operating conditions Ambient temperature 10 55 C Relative humidity 10 95 non condensing Limit operating conditions Ambient temperature 20 60 C Storage and transport temperature...

Страница 49: ...utput assignment 29 Current output range 29 D Delivery included in 8 Diagnostics 40 42 Dimensions 46 Display 16 17 Display range 44 Disposal 13 Dropout delay 28 E Electrical connection 11 13 Electrica...

Страница 50: ...tion 45 Power supply 6 Power up 14 Programming 25 39 Protection type 46 Q Quick calibration 18 19 R Read mode 19 Reflection adaptation 33 Relative humidity 46 Relay operating modes 23 Repair 43 S Safe...

Страница 51: ...conversion to user unit 38 concentration Solids concentration in ppm g l or 25 configuration Function group Configuration 30 correction Correction point 3 37 correction Correction selection point 3 34...

Страница 52: ...ors 1 and 2 25 limit contact spray cleaner Relay selection limit contactor and spray cleaning contact 25 low Min contact limit monitoring with lower threshold 22 28 no Do not set defaults 30 off delay...

Страница 53: ...Measuring range 29 range 0 mA Display value at 0 mA 0 20 mA 29 range 4 mA Display value at 4 mA 4 20 mA 29 range 20 mA Display value at 20 mA 0 4 20 mA 29 setup code Setup code 19 21 23 spray cleaner...

Страница 54: ...store defaults 30 Selection of output range 0 20 mA 29 Selection of output range 4 20 mA 29 3 point calibration Function group 3 point wet calibration 33 Sensor CUS 31 25 Sensor CUS 41 25 Relay 1 off...

Страница 55: ...ction group configuration Entry of alarm delay Entry of filter time Function group meas value adapt Selection of adaptation 1 point adaptation Reflection adaptation Alarm contact steady fleeting Selec...

Страница 56: ...otron SACIFI Buenos Aires Tel 01 7021122 Fax 01 3340104 Australia GEC Alsthom LTD Sydney Tel 02 6450777 Fax 02 96450818 Brazil Servotek Sao Paulo Tel 011 5363455 Fax 011 5363067 Canada Endress Hauser...

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