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MLSS meter
HU-200SS SS-90

Instruction Manual

CODE:GZ0000230907

Summary of Contents for HU-200SS SS-90

Page 1: ...MLSS meter HU 200SS SS 90 Instruction Manual CODE GZ0000230907...

Page 2: ...of the following cases none of the warranties set forth herein shall be extended z Any malfunction or damage attributable to improper operation z Any malfunction attributable to repair or modification...

Page 3: ...gainst harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance...

Page 4: ...limited to the most extreme situations This indicates a potentially hazardous situation which if not avoided could result in death or serious injury This indicates a potentially hazardous situation w...

Page 5: ...t no power is supplied before starting work The air contained in the covered biological processing tank is of a low oxygen concentration so there is the danger of suffocation CAUTION If the instrument...

Page 6: ...ing of the product follow the related laws and or regulations of your country for disposal of the product Manual Information Description in This Manual Note This interprets the necessary points for co...

Page 7: ...source 13 Connecting the contact output terminal 14 Connecting the transmission output terminals 15 Connecting the contact input terminal 15 Connecting the communication terminal 16 Connecting the det...

Page 8: ...ro calibration data 43 Span calibration 44 Maintenance of the detector 46 Troubleshooting 47 Troubles with measurement 47 Measurements exceeding the measurable range 48 Error code 49 Reference data 50...

Page 9: ...in the gap of about 7 mm is converted to a concentration The amount of light from a light source is monitored by an optical detector for a reference purpose and variations in the amount of light are...

Page 10: ...capability provides high stability Content Q Items included A SS 90 Detector is packed separately Components included with a detector z Detector adaptor and 10 m cable z Operational check board z Zero...

Page 11: ...ith diameter from 9 mm to 11 5 mm can be used Purge air is sent through this inlet to prevent internal corrosion normally requiring no connection Cable gland Cover Hood for outdoor installation Front...

Page 12: ...block Status display Indicator Status display Measured value display Auxiliary display Detector connection terminal Power connection terminal Transmission output terminal Contact input terminal RS 485...

Page 13: ...The change that has been previously made to any setting is canceled Hold down Holding down this key in the Hold mode will enter the Meas mode HOLD key hold Hold down Holding down this key in the Meas...

Page 14: ...comes active EXT1 Lights up while the cleaning directive contact signal is input CLN Lights up when the cleaning output contact is output FAIL Lights up when the contact of a FAIL signal is output The...

Page 15: ...e and the Hold mode have the following menus in the lower tier For selecting each mode or item see the corresponding paragraph Meas mode Cal Control Value Setting menu This menu allows you to check th...

Page 16: ...wn the CAL key See page 41 Cal mode Hold down the HOLD key Hold mode key Setup menu key Cal menu key User Check menu Key Cal Control Value Setting menu See page 34 See page 32 See page 27 See page 24...

Page 17: ...Overview 9 Hold down Hold down Setting Menu Calibration Menu User Check Menu Meas mode Hold mode or Check the contact output Check the calibration data Adjust a moving average...

Page 18: ...necting work z The location should be free from dust and corrosive gas z The location should be minimally affected by an electromagnetic fields z The altitude should be no more than 2000 m z The range...

Page 19: ...ed on a pole 50 A or on a wall Q Installation on a pole Q Installation on a wall Note Provide a service area for the converter Unit mm View of the HU 200SS mounted on a pole Maintenance area 120 50 26...

Page 20: ...ecting work pull forward and raise the black resin made terminal cover that is covering the power terminal or remove the terminal cover by detaching a hinge Note z The screws on the front case and the...

Page 21: ...eep this grounding separate from any other grounding for electric equipment such as a motor WARNING If there is a possibility of a lightning strike install an arrester on the output side of the conver...

Page 22: ...output is an active voltage output of the same potential as the power source not a no voltage contact Empty terminals are connected in the inside Do not connect anything As illustrated below connect t...

Page 23: ...J Connecting the contact input terminal z The applicable electric wire is of 0 14 mm2 to 2 5 mm2 AWG26 to AWG14 z For a cable for contact input use a twist pair shielded wire z If lighting might stri...

Page 24: ...e length is 500 m z To terminate the cable strip the covering at the end by 11 mm and then connect the stripped end to the terminal z For the terminating device on the RS 485 communication line use a...

Page 25: ...te that is adequately separated from the vicinity of any equipment that may cause induction in the motors etc and power cables of said equipment Q Connections The following terminals are available for...

Page 26: ...product J For an immersion type holder Even if there are variations in the water surface levels of measured liquid be sure to set up an immersion type holder while the tip of a detector is always soak...

Page 27: ...at a location where a typical concentration of sludge in a tank can be measured When the detector is pulled up measured liquid might be concentrated and adhered to the detector If the detector is pull...

Page 28: ...mation is stored on the sensor side and is called up to the screen under energized conditions Q Wiring check Check the following points z The power cable transmission cable and the sensor cable are co...

Page 29: ...act output delay time when a contact output type is set to AL or HoLd 0 29 1 CLnt Set a cleaning output type when a contact output type is set to CLn CLn 29 FAIL output setting FAiL F SC Set the FAiL...

Page 30: ...Operation 22 Note Before starting operation be sure to make settings for the following items Select a working curve type Selectable from MLSS Clay and Kaolin...

Page 31: ...ements will be automatically started and measured values will be displayed on the screen This state is the Meas mode 2 The on screen display is changed by pressing the key Pressing the ENT key allows...

Page 32: ...ed with the key and the ENT key is pressed the changes will be confirmed If the use of cleaning contacts is enabled the countdown of the cleaning cycle timer can be checked Cleaning contacts are outpu...

Page 33: ...en The numeral at the lower left indicates the relay number Settings for the upper and lower limits of a set value MLSS etc are displayed The set value can be changed Input range 0 mg L to 20000 mg L...

Page 34: ...ght for zero calibration This screen displays a ratio of the factory configured amount of transmitted light for zero calibration to the amount of transmitted light for the latest zero calibration You...

Page 35: ...red item on the auxiliary display 5 Press the ENT key to display the settings for any selected items After entering the Hold menu a measured value changes while a transmission signal is held in a spec...

Page 36: ...sary to return to the Meas mode Select a working curve type Type MLSS Kaolin Clay PtnA For measuring activated sludge if MLSS is selected when a sample is white or if Kaolin is selected when a sample...

Page 37: ...from the time an alarm is raised until a contact is output If the alarm contact point is released an alarm will be immediately released without delay Set a cleaning output type when a contact output t...

Page 38: ...ing the transmission hold common to transmission output current hold HoLd PrES HoLd Define transmission output during the HOLD mode z HoLd The last value is output while being held z PrES The preset v...

Page 39: ...bles the capabilities of the internal timer Cleaning contact is output in response to only an external directive trigger for 2 s or longer during specified cleaning time After the end of cleaning a Ho...

Page 40: ...es of a sample An operational check board is not a benchmark Span calibration cannot be performed by attaching an operational check board Entering the calibration menu Calibration can be performed by...

Page 41: ...have become stable press the ENT key and complete zero calibration by targeting at as low a value as possible Span Span calibration The coefficient of the auxiliary indicator blinks It can be adjusted...

Page 42: ...n the HOLD key until the HOLD indicator lights up 2 Press the key to display USr on the display part for the measured value 3 Press the ENT key 4 Press the key to display a desired item on the auxilia...

Page 43: ...elay is turned OFF Cleaning output confirmation screen This screen allows you to check that CLn turns ON OFF Screen to check transmission output to check output of 3 8 mA 3 8 mA is output to transmiss...

Page 44: ...data and span calibration data Select yES with the key and press the ENT key to initialize data z Note that the setting values and span calibration value revert to default values z Upon completion of...

Page 45: ...ecified vary depending on the selected output type The items marked with a circle will be displayed as options Screen Description Selected type nor AL HoLd CLn Specifies a contact output type r1 r2 Se...

Page 46: ...alue is in the HOLD state an alarm is output after delay time When the hold mode is canceled the output is immediately turned OFF dt Delay time setting 0 to 600 s z CLn Cleaning in progress output Thi...

Page 47: ...Measurement When normal Enabled Enabled Closed Output Over FS Occurs during Enabled Enabled Opened Closed Output when FAIL output is ON HOLD Output Burnout when FAIL output is ON E 80 to E 84 OFF ON E...

Page 48: ...s 4 Measured value no No setting No setting 4 Measured value 1 Cleaning output is output in accordance with a specified method when the settings for cleaning time of cleaning output of the Setup menu...

Page 49: ...ero calibration handle the bucket in the shade out of direct sunlight Q Zero calibration procedure Perform the following steps from the Meas mode Zero calibration can be performed for any working curv...

Page 50: ...m the Meas Mode hold down the HOLD key to establish the HOLD mode When the key is pressed the Setup menu appears 2 From the Setup menu press the ENT key and the key When the ENT key is pressed the wor...

Page 51: ...e zero calibration is performed Q Procedure for checking the calibration data 1 Put the converter into the calibration data check screen From the Meas mode press the S T to display CAL dAt 2 Check the...

Page 52: ...a measured value to an analyzed value The default value of a coefficient is 1 It can be adjusted from 0 5 to 2 Moreover a wing curve can be selected according to sample properties Measured value Span...

Page 53: ...calibration mode 1 From the Meas mode hold down the CAL key press the ENT key and press the key The span calibration screen appears on screen 2 Press the ENT key to display the span coefficient input...

Page 54: ...le pouring tap water over the detector 3 Clean microbial dirt by spraying the detector with a chlorine base sterilizer 4 After cleaning wash off the detergent with clean water Note z Wipe off all dirt...

Page 55: ...s There were causes that decreased transmitted light during the previous zero calibration z The sensor head was dirty z The zero water had turbidity z The water temperature was different z Perform zer...

Page 56: ...Symptom Possible cause Remedial action Blinking display out of the measurable range A concentration of the sample is high If the measured value of zero water is not abnormal this trouble is out of mea...

Page 57: ...If they are connected under normal conditions an error disappears See Connecting the detector cable page 17 E 81 Sensor memory error Lloss of the contents of memory inside the detector Turn OFF the p...

Page 58: ...10 mg L whichever is larger sensor connecting sludge measured value Transmission output Number of output points 1 Output type DC 4 mA to 20 mA input output insulation type Load resistance 900 maximum...

Page 59: ...n circuit voltage 24 V DC Short circuit current 12 mA DC maximum Contact capability Can be selected from cleaning directives and transmission hold Communication capability Type RS 485 Signal type Two...

Page 60: ...ounted Protection class IP65 Material of case Aluminum alloy coated with epoxy modified melamine resin Material of mounting brackets SUS304 Material of hood SUS304 epoxy glue degeneration melamine res...

Page 61: ...tion with the converter Self check Water immersion detection Operating temperature range 5 C to 50 C without freezing Storage temperature 25 C to 65 C Measured liquid pressure 0 MPa to 0 2 MPa Materia...

Page 62: ...rized as T0 R0 and T R T0 R0 is computed to obtain the transmittance T of a sample Since transmittance decays in relation to concentration in terms of indexes a logarithm of the transmittance is compu...

Page 63: ...30 Circuit board cover 4 PC 5 Operation information plate PET 31 Lower terminal ID plate PET 6 Warning plate PET 32 Spacer C3604BD 7 Key sheet PET 33 Terminal ID plate TT PET 8 Protective sheet PVC 34...

Page 64: ...n printed circuit board 44 6 Remove spacer 32 in four places 7 Remove two screws used to secure terminal cover 4 Printed circuit board 35 is exposed in the assembled state 8 Remove two flat cables con...

Page 65: ...Clear Curr Current C HoLd Current hold C rng Current range CyCLE Cycle of cleaning 1 dt Delay time of relay 1 2 dt Delay time of relay 2 dt Deray time diSP Display dF Dumping factor FAiL Fail F SC Fai...

Page 66: ...Preset rng C Range cut rng S Range span rng 0 Range zero rLy Relay r1 Relay 1 r2 Relay 2 rEt t Return time rS RS485 SenSor Sensor SEt Setting menu SPAn Span calibration S diSP Sub display trg Trigger...

Page 67: ...75 321 7184 FAX 81 75 321 7291 Tokyo Office 4F Higashikanda Fukoku Seimei Building 1 7 8 Higashikanda Chiyoda ku Tokyo 101 0031 TEL 81 3 3851 3150 FAX 81 3 3851 3140 Nagoya Office 6F Sumitomo Seimei C...

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