Endress+Hauser Liquisys M CCM223 Operating Instructions Manual Download Page 1

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BA00214C/07/EN/14.13

71212626
valid as of:

Software-version 2.40

Operating Instructions

Liquisys M CCM223/253

Transmitter for Free Chlorine, Chlorine Dioxide and Total

Chlorine

Summary of Contents for Liquisys M CCM223

Page 1: ...roducts Solutions Services BA00214C 07 EN 14 13 71212626 valid as of Software version 2 40 Operating Instructions Liquisys M CCM223 253 Transmitter for Free Chlorine Chlorine Dioxide and Total Chlorin...

Page 2: ...erious injury WARNING Cause consequences Consequences if safety message is not heeded Corrective action This symbol alerts you to a dangerous situation Failure to avoid the situation can result in a f...

Page 3: ...ay and operating elements 27 5 2 1 Display 27 5 2 2 Operating elements 28 5 2 3 Key assignment 29 5 3 Local Operation 31 5 3 1 Automatic manual mode 31 5 3 2 Operating concept 32 6 Commissioning 34 6...

Page 4: ...nting accessories 100 10 4 Measuring system 102 10 5 Software and hardware add ons 102 10 6 Calibration accessories 102 11 Technical data 103 11 1 Input 103 11 2 Output 104 11 3 Power supply 106 11 4...

Page 5: ...er Gas scrubbers Reverse osmosis Food processing Swimming pool and bathing pool water Any other use than the one described here compromises the safety of persons and the entire measuring system and is...

Page 6: ...ectrical symbols Direct Current DC A terminal at which DC is applied or through which DC flows Alternating Current AC A terminal at which sine form AC is applied or through which AC flows Ground conne...

Page 7: ...your supplier or your local sales center 2 2 Scope of delivery The delivery of the field instrument includes 1 transmitter CCM253 1 plug in screw terminal 1 cable gland Pg 7 1 cable gland Pg 16 reduce...

Page 8: ...of your device enter the order code indicated on the nameplate in the search screen at the following address www products endress com order ident 2 4 Certificates and approvals 2 4 1 CE mark Declarati...

Page 9: ...CCS140 141 for Cl2 or CCS240 241 for ClO2 or an open sensor 963 for Cl2 A flow assembly CCA250 not necessary for sensor 963 and optional A pH or ORP sensor An INS proximity switch for flow monitoring...

Page 10: ...ing 8 Measuring cable 4 Mounting place for pH redox sensor 9 Transmitter 5 Chlorine sensor a0001791 Fig 2 Measuring system with immersion assembly example 1 Junction box 4 Immersion assembly CYA611 2...

Page 11: ...during air freight dispatching Make sure no moisture penetrates the inside of the housing before the cable installation The housing is completely air tight after the cable installation CAL REL REL1 R...

Page 12: ...Mounting Liquisys M CCM223 253 12 Endress Hauser 3 2 2 Panel mounted instrument a0005735 Fig 5 Panel mounted instrument 90 3 54 139 5 47 96 3 78 6 0 24 mm inch 92 3 62 149 5 5 89...

Page 13: ...ions rain snow direct sun etc Impaired operation to complete transmitter failure When installing outside always use the weather protection cover accessory Transmitter wall mounting a0005736 Fig 6 Wall...

Page 14: ...see Accessories section a0005737 Fig 7 Post mounting field device to cylindrical pipes For post mounting the transmitter proceed as follows 1 Guide the two securing screws 1 of the mounting kit throu...

Page 15: ...acquired as accessories see Accessories section a0005738 Fig 8 Mounting field device with universal posts and weather protection cover For mounting the weather protection cover proceed as follows 1 S...

Page 16: ...nel mounted instrument 1 Wall of the cabinet 2 Seal 3 Clamping screws Required installation depth 3 4 Post installation check After installation check the transmitter for damage Check whether the tran...

Page 17: ...nsor If you are using the membrane covered sensor CCS140 141 240 241 or the open sensor 963 please read the instructions in the Electrical connection version 1 section If you are using the total chlor...

Page 18: ...native Signal output 1 chlorine chlorine dioxide Signal output 2 temperature pH or ORP Binary input 1 hold cleaning Proximity switch INS Binary input 2 Aux voltage output terminal 85 86 applicable I J...

Page 19: ...voltage output Signal output 1 total chlorine Signal output 2 temperature pH or ORP Binary input 1 hold cleaning Proximity switch INS Binary input 2 Aux voltage output terminal 85 86 applicable J K L...

Page 20: ...ance could cause incorrect measurement Make sure to protect the connectors cable ends and terminals against moisture Terminals marked NC may not be wired Unmarked terminals may not be wired a0002276 F...

Page 21: ...and terminals against moisture Terminals marked NC may not be wired Unmarked terminals may not be wired Please label the sensor terminal block with the sticker provided REL1 REL2 REL3 REL4 4 20mA 24 2...

Page 22: ...lorine dioxide sensors CCS140 141 240 241 3 m 9 8 ft CMK fixed cable VBC junction box CMK Chlorine sensor 963 VBC junction box MK Temperature sensor for sensor 963 CPK1 Total chlorine sensor CCS120 CP...

Page 23: ...emperature sensor to the terminals 11 and 12 of the transmitter Chlorine sensor Connect the red wire to terminal 92 cathode and the blue wire to the terminal 91 anode Connection of pH or ORP sensors C...

Page 24: ...excess material 5 There is a semi conductor layer 14 conductive foil between the inner insulation and the braided screen 8 Strip this semi conductor layer to the braided screen a0005745 Fig 17 Termin...

Page 25: ...8 4 ft with cable CMK Chlorine sensor 963 max 30 m 98 4 ft with cable MK Total chlorine sensor CCS120 max 15 m 49 2 ft with cable CYK71 pH or ORP measurement max 50 m 164 ft with cable CYK71 2 x Pg 7...

Page 26: ...atus B Alarm condition Normal operating status Device in operation and no error message present alarm LED off Relay energized Contact 42 43 closed Alarm condition Error message present alarm LED red o...

Page 27: ...read the relevant sections in the additional Operating Instructions PROFIBUS PA DP field communication for Liquisys M CXM223 253 BA00209C 07 EN HART field communication for Liquisys M CXM223 253 BA00...

Page 28: ...5 6 7 Indicator for measuring mode normal operation Indicator for calibration mode Indicator for setup mode configuration Indicator for Hold mode current outputs remain at last current state Indicator...

Page 29: ...wing functions Selection of function groups Press the MINUS key to select the function groups in the order given in the System configuration section Configuration of parameters and numerical values Op...

Page 30: ...30 s AUTO key You can use the AUTO key to switch between automatic mode and manual mode Escape function If you press the PLUS and MINUS key simultaneously you return to the main menu or are taken to t...

Page 31: ...l mode enter the code 22 via the PLUS and MINUS keys 4 Select the relay or the function You can use the REL key to switch between the relays The relay selected and the switch status ON OFF are display...

Page 32: ...een different codes Key CAL Code 22 access to Calibration and Offset menu Key ENTER Code 22 access to the setup menus Keys PLUS ENTER locks the keyboard Keys CAL MINUS unlocks the keyboard Key CAL or...

Page 33: ...3xx 19 06 00 xx 002 eps Fig 27 Diagram of the menu structure 1 Functions parameters selected numbers entered 2 Function groups scroll backwards and forwards with the PLUS and MINUS keys 3 Switch from...

Page 34: ...ring commissioning the sensor must be calibrated so that the measuring system can return precise measurement data Then perform the first configuration in accordance with the instructions in the Quick...

Page 35: ...he functions in the individual groups are counted from the top to the bottom and from the left to the right Function Factory setting Type of measurement Content of free chlorine or total chlorine in m...

Page 36: ...u get to the Setup 1 function group 8 Press F to be able to make your settings for Setup 1 9 In A1 select the desired type of sensor Press F to confirm 120 CCS120 140 CCS140 141 CCS141 240 CCS240 241...

Page 37: ...ning trigger 15 If you need to stabilise the display enter the required damping factor in A7 Press F to confirm The display returns to the initial display of Setup 1 1 1 to 60 16 Press PLUS and MINUS...

Page 38: ...connected A4 Enter delay for controller switch off by sample stream 0 s 0 to 2000 s Enter a delay time to suppress controller switch off in case of short term flow rate undershoots A5 Enter delay for...

Page 39: ...lays assigned to PID controllers or cleaning functions revert to normal position for the three point step controller the closing contact closes Dosing and cleaning resume once the switch on delay time...

Page 40: ...group SETUP 2 B1 Select operating mode Off pH ORPmV Field only exists in EP version ORPmV redox potential in mV Oxidation Reduction Potential If the operation mode changes all user settings are automa...

Page 41: ...s acid in amperometric measurement They do not measure the amount of hypochlorite ions because these ions do not permeate through the sensor membrane Measurement of total chlorine with the sensor CCS1...

Page 42: ...onnected pH electrode EP version or manually ES version by entering the current pH value in field B3 Measuring chlorine dioxide is not pH dependent therefore it requires no pH compensation Accuracy of...

Page 43: ...his permits signalling of an alarm condition in the main stream flow too low or has completely stopped and triggers dosing switch off even if the sample flow is retained due to the method of installat...

Page 44: ...edforward control oft the flow rate in the main stream to the PID controller s Feedforward control is a multiplying function as illustrated in the figure below example with factory setting a0005970 Fi...

Page 45: ...ed period Z4 Enter the switch off limit value for the current input 50 0 to 100 0 to 100 corresponds to 4 to 20 mA at the current input Observe measured value assignment to the current output of the f...

Page 46: ...current output characteristic for this current output In addition you can simulate a current output value O3 2 to check the current outputs a0002021 Fig 35 User defined current output characteristic...

Page 47: ...uration into the following blank table with a pencil Calculate the resulting signal distance per mA to observe the necessary minimum slope Then enter the values in the device Current output 1 Current...

Page 48: ...orresponds to an increasing actuating variable O311 Select current range 4 to 20 mA 0 to 20 mA O312 0 4 mA value Enter corresponding measured value 0 ppb 0 to 20000 ppb 0 00 ppm 0 to 20 ppm 0 00 mg l...

Page 49: ...e value pair 1 1 to No elem assign The function chain O333 to O335 will run through as many times as correspond to the value in O332 Assign appears as the last step After confirmation the system jumps...

Page 50: ...t be made even if all error reporting is switched off in F5 If 0 20 mA was selected in O311 2 4 mA may not be used F5 Select error 1 1 255 Here you can select all the errors which should trigger an al...

Page 51: ...cess medium In particular in case of controlled water disinfection there is a process related risk that chemical dosing is not switched on due to a permanently high measured value This causes consider...

Page 52: ...d or exceeded lower and upper AT lower AT reached or dropped below or upper AT reached or exceeded Controller monitoring CC Controller Check P115 to P118 P125 to P128 Switch on period monitoring Switc...

Page 53: ...or low limit violation causes an alarm as per field P113 P114 P113 Enter lower alarm threshold 0 ppb 0 to 20000 ppb 0 00 ppm 0 to 20 ppm 0 00 mg l 0 to 20 5 mg l Omitted when P111 Off P114 Enter uppe...

Page 54: ...on causes an alarm as per field P123 P124 P123 Enter lower alarm threshold pH 4 00 pH 4 to 8 9 0 mV 0 to 1490 mV Omitted when P121 Off P124 Enter upper alarm threshold pH 9 00 pH 4 1 to 9 1500 mV 10 t...

Page 55: ...actor In addition you can configure an alarm threshold to output an error message and to start a cleaning function in conjunction with this These functions can be used for chlorine chlorine dioxide me...

Page 56: ...used for processes where a P PI or PD controller does not control sufficiently Configuration options of the PID controller The following configuration options are available for a PID controller Change...

Page 57: ...uit further Increase the control gain Kp until the controlled variable just starts to overshoot Reduce Kp slightly and then reduce the integral action time Tn so that the shortest possible correction...

Page 58: ...with pulse frequency modulation are used to activate directly controlled solenoid dosing pumps Constant controller Via the current output 2 the minimum actuating variable 0 of the controller is output...

Page 59: ...sible to clean irregularly with different repeat cycles and to separately set the cleaning times with post rinse times Pay attention to the following To use the Chemoclean function the transmitter has...

Page 60: ...easured value is inside of the set point window B Measured value is smaller than the set point C Measured value is larger than the set point W Set point X Measured value a0006793 Fig 41 Sequence of a...

Page 61: ...Cl2 ClO2 4 PID controller pH 5 Timer 6 Clean Chemoclean 7 3PSt step controller 8 PV process value If Rel4 is selected in the R1 field Clean Chemoclean cannot be selected By confirming with ENTER anoth...

Page 62: ...dy switched on is switched off and its settings are reset to the factory settings R221 Switch function of R2 2 off or on Off On Settings made for the limit contactor are not deleted by switching the f...

Page 63: ...point and the switch off point to the same value R233 Enter switch off temperature 50 0 C 0 to 50 0 C Entering a switch off point selects either a Max contact switch off point switch on point or a Min...

Page 64: ...0 0 no D component 0 0 min 0 0 to 999 9 min See P ID controller section R246 Select controller characteristic inv inverted default for sodium hypochlorite dir direct The setting is required depending...

Page 65: ...controller section R254 Enter integral action time Tn 0 0 no I component 0 0 min 0 0 to 999 9 min See P ID controller section With every Hold the I component is set to zero Although Hold can be deacti...

Page 66: ...57 len Fmax at R257 freq field R259 20 mA at R257 curr R2 6 Configure cleaning function timer Timer Cleaning only takes place with one cleaning agent usually water By confirming with ENTER another rel...

Page 67: ...ession is required for irregular time intervals e g weekends R273 Enter pre rinse time 20 s 0 to 999 s Rinsing with water takes place R274 Enter cleaning time 10 s 0 to 999 s Cleaning with cleaning ag...

Page 68: ...mg l 0 to 20 5 mg l The set point is the value which the controller has to hold The controller will restore this value if there is a deviation up or down R283 Enter control gain Kp 1 00 0 01 to 20 00...

Page 69: ...to 9999 The code is located on the nameplate If an incorrect code is entered you are taken back to the measurement menu The number is edited with the PLUS or MINUS key and confirmed with the ENTER key...

Page 70: ...ing Field Setting range Factory settings bold Display Note E E H SERVICE function group Information on the device version E1 Select module Contr controller 1 Trans transmitter 2 Main power unit 3 Rel...

Page 71: ...d Setting range Factory settings bold Display Info I INTERFACE function group Communication settings only for device version HART or PROFIBUS I1 Enter bus address Address HART 0 to 15 or PROFIBUS 0 to...

Page 72: ...bration The instrument is automatically switched to Hold during calibration factory setting After calibration the system jumps back to the measuring mode During the dwell period the Hold symbol is dis...

Page 73: ...he ENTER key again as soon as the measuring value has approximated the buffer value C23 Calibration takes place Stability control Adopt if stability pH 0 05 for more than 10 s C24 Enter pH value of se...

Page 74: ...play the current measuring value Press the ENTER key again as soon as the measuring value has approximated the buffer value C32 Calibration takes place Stability control Adopt if stability 1 mV for mo...

Page 75: ...end non chlorinated water through the assembly 2 Wait 10 min 3 Adopt by selecting ENTER C14 Calibration status is displayed o k E xxx C15 Store calibration result yes no new If C14 E xxx then no or ne...

Page 76: ...service tool section 3 Load measurement parameter specific device software 4 If the error persists send in the device for repair to your local service organisation or replace the device Yes No 2 0C 0...

Page 77: ...ClO2 measuring range exceeded Check measurement and connections if necessary check instrument and measuring cable using simulator Yes No No 80 E056 Lower pH mV measuring range exceeded Yes No No 80 E...

Page 78: ...m manual comparison measurement if necessary Service sensor Recalibrate measuring system Check flow rate Check chemical supply Check dosing devices Yes No No 3 E155 Cl ClO2 above upper alarm threshold...

Page 79: ...ts personnel No instrument function Instrument fuse defective Replace fuse Fine wire fuse M 250 V 3 15 A No power supply Establish power supply Check with voltmeter Display flashes Automatic controlle...

Page 80: ...w sensor Measuring chain slope not adjustable Slope too low Connection not at high impedance humidity dirt Test cable connector and junction boxes pH simulator insulation tester Instrument input defec...

Page 81: ...pter Instrument specific error Fixed current output signal Current simulation active Switch off simulation See field O3 Impermissible operating state of processor system Switch instrument off and back...

Page 82: ...veral devices set to same address No PROFIBUS communication No central PA DP module Verify by looking at nameplate PA xxx3xx DP xxx4xx Upgrade to LSCP module see chapter Spare parts Incorrect instrume...

Page 83: ...tive Check ribbon cable renew if necessary See Spare parts section Display dark light emitting diode active Central module defective module LSCH LSCP Renew central module note variant On site diagnosi...

Page 84: ...ther serial number on the nameplate matches SNR in LSCH LSCP field S8 The serial number of the device is definitive for the Plus package Additional functions Plus package and or Chemoclean missing aft...

Page 85: ...process control system or on the process itself NOTICE Electrostatic discharge ESD Risk of damage to electronic components Take personal protective measures to avoid ESD such as discharging beforehand...

Page 86: ...ation or maintenance activities Risk of injury due to medium or cleaning agent If a cleaning system is connected switch it off before removing a sensor from the medium If you are not switching off the...

Page 87: ...65 to the horizontal is allowed Not permitted horizontal installation or installation with the plug in head pointing downwards a0006203 Fig 43 Permitted installation angle of glass electrodes Check fo...

Page 88: ...re in the measuring cable the cable must be replaced A shunt in the cable of 20 M can no longer be measured with normal multimeters but is damaging for the pH measurement A reliable test can be carrie...

Page 89: ...ensor of the chlorine sensor to measure the temperature Due to the relatively high sensor resistance a two wire connection is sufficient Simulation can take place with a normal decade resistor The tab...

Page 90: ...t the pH terminal the Ref terminal and the PM terminal For pH the reading must be about 7 for ORP about 0 mV Test with DC voltage source 8 2 4 Flow monitoring Flow is monitored by an inductive proximi...

Page 91: ...is taken out of service Please refer to the following diagram for the item numbers 1 Disconnect the terminal blocks items 150 to 180 from the rear of the device to de energise the device 2 Press in t...

Page 92: ...rts of the panel mounted instrument You can see the spare parts and the corresponding order number in the following section using the item numbers a0001912 Fig 44 Exploded view drawing of panel mounte...

Page 93: ...put 51502498 100 Kit CCM2x3 Central module PROFIBUS DP LSCP DP Central module PROFIBUS DP Relay module 2 relays Current input and terminals valid of hardware version 2 10 71134731 110 Cl transmitter M...

Page 94: ...ush the entire box backwards and remove it from above Make sure that module locks do not open Loosen the ribbon cables item 250 Bend the module locks out and remove the modules 6 To remove the docking...

Page 95: ...the field device You can see the spare parts and the corresponding order number in the following section using the item numbers a0001915 Fig 45 Exploded view drawing of field instrument A B C D 370 5...

Page 96: ...5 100 Central module controller LSCP DP PROFIBUS DP no current output 51502498 100 Kit CCM2x3 Central module PROFIBUS DP LSCP DP Central module PROFIBUS DP Relay module 2 relays Current input and term...

Page 97: ...asic functions e g measured value and temperature display operation via keyboard 6 Enter the serial number Read the serial number ser no on the nameplate of the device Enter this number in the fields...

Page 98: ...y is required to follow certain procedures when handling returned products that are in contact with medium To ensure swift safe and professional device returns please read the return procedures and co...

Page 99: ...sensor for chlorine dioxide Measuring range 0 01 to 5 mg l Ordering acc to product structure www products endress com ccs241 Technical Information TI00114C 07 EN 10 2 Connection accessories CYK71 mea...

Page 100: ...Cable entries 2 x Pg 13 5 or 2 x NPT Material aluminum Ingress protection IP 65 i NEMA 4X Order numbers cable entries Pg 13 5 50003987 cable entries NPT 51500177 10 3 Mounting accessories CYY101 weat...

Page 101: ...0005742 Fig 47 Universal post Post mounting kit For mounting of field housing on horizontal or vertical pipes max 60 mm 2 36 Material stainless steel 1 4301 order no 50086842 a0005676 Fig 48 Post moun...

Page 102: ...l number of the device in question Plus Package Order no 51502242 Chemoclean Order no 51502871 Two relay card Order no 51500320 Four relay card Order no 51500321 Two relay card with current input Orde...

Page 103: ...1 to 10 mg l 0 05 to 20 mg l 0 01 to 5 mg l 0 05 to 5 mg l Temperature compensation range CCS140 240 141 241 and 963 CCS120 2 to 45 C 36 to 113 F 5 to 45 C 41 to 113 F pH compensation range for free...

Page 104: ...l Data transfer rate 1200 Baud Galvanic isolation yes PROFIBUS PA Signal coding Manchester Bus Powered MBP Data transfer rate 31 25 kBit s voltage mode Galvanic isolation yes IO Module PROFIBUS DP Sig...

Page 105: ...y controller 60 to 180 min 1 Basic load 0 to 40 of max set value Motor run time for three point step controller 10 to 999 s Neutral zone for three point step controller 0 to 40 Function switchable Lat...

Page 106: ...re or software HART Supply voltage n a active current outputs Integrated reverse voltage protection n a active current outputs PROFIBUS PA Supply voltage 9 V to 32 V max 35 V Polarity sensitive no FIS...

Page 107: ...CS120 140 240 and 963 CCS141 241 0 01 mg l 0 001 mg l Measurement deviation1 display pH T const CCS140 141 240 241 CCS120 and 963 max 0 5 of measured value 4 digits max 1 of measured value 4 digits Re...

Page 108: ...145 mm 3 78 x 3 78 x 5 71 inches Installation depth approx 165 mm 6 50 Field instrument 247 x 170 x 115 mm 9 72 x 6 69 x 4 53 inches Panel mounted instrument max 0 7 kg 1 5 lb Field instrument max 2...

Page 109: ...Liquisys M CCM223 253 Technical data Endress Hauser 109...

Page 110: ...value Delay for contr swi on sam stream 0 2000 s 0 s Delay for cont sw on current input 0 2000 s 0 s Enter simulation 0 22 0 mA val current value Select table options edit read Enter no of table pair...

Page 111: ...0 100 50 Enter y value current 0 20 00 mA 4 00 mA Table status o k no yes Enable error current error just entered yes for no Automatic start of cleaning function yes no Select next error or return to...

Page 112: ...switch off point of contact 0 20 5 mg l 20 5 mg l Set upper alarm threshold 0 1 20 5 mg l 20 00 5 00 mg l Enter pre rinse time 0 999 s 20 s Chlorine ClO2 Switch function R2 7 on or off On Off Clean Ch...

Page 113: ...repeat times 0 5 0 Chemoclean assigns 2 contacts only permitted for contacts 3 4 3 p step contr assigns 2 contacts only permitted for contacts 3 4 Enter max pulse frequency 60 180 1 min 120 1 min Ente...

Page 114: ...for contr sw off by sample stream 0 2000 s 0 s Delay for controller sw off current input 0 2000 s 0 s Tab Table sim simulation Manual pH compensation pH 4 00 9 00 last comp value Delay for contr sw on...

Page 115: ...ero point is displayed pH 5 00 9 00 pH 7 00 Enter x value meas val 0 20 5 mg l pH 4 9 0 1500 mV 0 50 C 0 00 pH 4 00 0 mV 0 C Enter y value current 0 20 00 mA 4 00 mA Table status o k no yes Only LCD s...

Page 116: ...Appendix Liquisys M CCM223 253 116 Endress Hauser a0002639 en...

Page 117: ...Select control characteristic inv dir Select freq pulse frequency curr current output 2 len pulse length Select freq pulse frequency curr current output 2 len pulse length Enter pulse period 0 5 999 9...

Page 118: ...le is displayed identification Module is displayed identification Serial number is displayed Serial number is displayed Serial number is displayed Hardware version HW Version Hardware version HW Versi...

Page 119: ...ppendix Endress Hauser 119 a0002642 en S8 S7 S6 S9 S10 Control SW upgrade release code Chemocl 0 9999 0 Reset instrument sens factory no Start instrument test display no Order number is displayed Seri...

Page 120: ...Appendix Liquisys M CCM223 253 120 Endress Hauser...

Page 121: ...ed use 5 Diagnosis code 76 Dimensions 108 Dismantling Field instrument 94 Panel mounted instrument 91 Display 27 Disposal 98 E E H Service 70 Electrical safety 107 Electrical icons 6 Electrical symbol...

Page 122: ...ic data 105 Q Quick commissioning 36 Quick setup 36 Quick start up 27 36 R Relative humidity 107 Relay contact configuration 55 Replacing the central module 97 Requirements for the personnel 5 Resolut...

Page 123: ...Liquisys M CCM223 253 Endress Hauser 123...

Page 124: ...www addresses endress com 71212626...

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