Endress+Hauser CA76NA Operating Instructions Manual Download Page 47

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CA76NA

Diagnostics and troubleshooting

Hauser

10.2 Reset measuring device

The settings presented below are basic settings that are stored in the analyzer after

data have been deleted. These data are configured specifically for the device when the

device is delivered.

Maintenance/Calibration/pH Calibration

Parameter

Default value

pH1 pH ---

4.00

pH2 pH ---

7.00

S mV/D

25.0 °C

Parameters/Basic Settings

Parameter

Default value

Unit

µg/l (ppb)

Language

English

WaterTest

On ----

MBF-Channel

Autostart

Date

Current date

Scan Time

Current time

Parameters/Measurement Sequence

Parameter

Default value

Calibration

72 h

Channel 1

(per channel)

30 min

Regenerate

Parameters/Na Limits

Parameter

Default value

Channel 1

(per channel)

100 µg/l (ppb)

Parameters/Outputs/Measuring Range

Parameter

Default value

4 mA (per channel)

0 µg/l (ppb)

20 mA (per channel)

100 µg/l (ppb)

Parameters/Names of Meas.Points

Parameter

Default value

Channel 1

MST 1

...

Summary of Contents for CA76NA

Page 1: ...Products Solutions Services Operating Instructions CA76NA Analyzer for sodium BA01706C 07 EN 04 22 00 71578460 2022 04 01 Valid as of version V1 14 00...

Page 2: ......

Page 3: ...connection check 21 7 Operation options 22 7 1 Structure and function of the operating menu 22 8 Commissioning 23 8 1 Preliminaries 23 8 2 Setting up PROFIBUS communication 29 8 3 Function check 30 8...

Page 4: ...o a dangerous situation Failure to avoid the dangerous situation can result in a fatal or serious injury LCAUTION Causes consequences If necessary Consequences of non compliance if applicable Correcti...

Page 5: ...n sources of ignition and smoking are forbidden Eating and drinking are forbidden Wear eye protection goggles Wear safety gloves Reference to device documentation 1 2 Documentation The following instr...

Page 6: ...Quality assurance of demineralization systems and seawater desalination Quality assurance of the ultrapure water circuit in the semi conductor and electronics industry Use of the device for any purpos...

Page 7: ...ved Devices connected to the analyzer must comply with the applicable safety standards 2 6 IT security We only provide a warranty if the device is installed and used as described in the Operating Inst...

Page 8: ...Main components 1 Power switch 7 Bottle for lab sample 2 Electronics unit 8 Sample conditioning unit controls and filters the flow of sample 3 Amplifier 9 Measuring unit with supply vessel 4 Bottle w...

Page 9: ...ncluding measuring unit and supply vessel 1 Sample outlet circuit 7 Housing outlet 2 Outlet after alkalization pump 8 Sample outlet calibration 3 Inlet of alkalization pump 9 Temperature sensor 4 Inle...

Page 10: ...channel opens The sample flows to the overflow vessel The rest of the time the sample drains off via the bypass at the solenoid valve 4 Each channel needs a minimum overpressure of 0 5 bar 7 3 psi an...

Page 11: ...gm KCl electrolyte gel AgCl S Ag The potential of the sodium electrode is measured against the reference of the pH electrode 3 1 5 Calibration unit The calibration unit consists of the following main...

Page 12: ...y adding an alkalization reagent e g diisopropylamine The sensitivity of the measuring arrangement to interference ions is according to the following rule Ag H Na Li K 3 2 2 Sample conditioning Sample...

Page 13: ...ur supplier or your local Sales Center 4 1 1 Scope of delivery The scope of delivery comprises 1 analyzer 1 print version of the Brief Operating Instructions in the language ordered The sodium electro...

Page 14: ...ing glass symbol Enter valid serial number 3 Search magnifying glass The product structure is displayed in a popup window 4 Click the product overview A new window opens Here you fill information pert...

Page 15: ...suitable protective gloves to protect against mechanical risks Comply with minimum spacing requirements when mounting Use the spacers provided when mounting 5 1 Mounting requirements 5 1 1 Mounting op...

Page 16: ...to very dusty environments 4 Install the device in a dry environment 5 Make sure that the wall has sufficient load bearing capacity and is fully perpendicular 6 Make sure that the device is horizonta...

Page 17: ...zer on a vertical surface 10 0 39 200 7 87 10 0 39 560 22 4 ESC A0049178 5 Analyzer CA76NA spacing requirements in mm in Observe the required distances when mounting 5 3 Post mounting check After moun...

Page 18: ...tention to the polarity and maximum load 500 6 If floating relay outputs are used provide an appropriate backup fuse for these relays at the installation location 7 Observe the values for maximum cont...

Page 19: ...yzer is operated with 100 to 130 V AC replace the fuse with the T 2 5 A fuse supplied The fuse is located in the cover of the electronics unit 1 Guide the cables through the cable entries on the back...

Page 20: ...2 NO1 COM1 NC1 X 100 X12A X23 CH1 CH2 X3 X1 F01 PROFIBUS X5 B A GND SH X12B X7 X8 A0041292 L1 N PE NO1 CO M1 NC1 NO2 CO M2 NC2 A CO M B CO M B A GND SH X100 Power supply 100 to 240 V AC 50 60 Hz X1 Re...

Page 21: ...ot sufficiently tightened must be tightened with 2 Nm for the confirmed level of IP protection Cables cable ends are loose or insufficiently secured Conductive cable strands are left in the device 6 4...

Page 22: ...bmenu Input menu Input menu Entry mode Entry mode Input menu input value is accepted Key Entry mode Input menu input value is not accepted Input menu Submenu Submenu Main menu Main menu Measured value...

Page 23: ...e electrical connection is established as described 18 Power supply and medium supply are available Push in couplings All hydraulic connections with hoses feature push in couplings by design Hoses mus...

Page 24: ...ary pressure SL Standard solution C Overflow level monitor LS Laboratory sample D Alkalization vessel P1 Dosing pump DP Diisopropylamine DIPA P2 Circuit pump E Supply vessel P3 Alkalization pump Conne...

Page 25: ...medium discharged from the sample conditioning unit and overflow vessel can be directly re introduced into the power plant circuit As alkalization reagent is used the water discharged at the general...

Page 26: ...the packaging The sodium electrode is marked Na on the shaft The pH electrode has no marking 3 Remove the lower sealing cap with the saline solution If there are any salt crystals on the electrode rin...

Page 27: ...lectrode as far as it will go into the left hand chamber sodium or right hand chamber pH 6 Tighten the screw connection by hand 8 1 3 Connecting reagent bottles LWARNING Contact of chemicals with eyes...

Page 28: ...bottles made of solid material e g glass for alkalization reagent There is space for a 2 5 liter bottle on the analyzer 0 66 US gal An empty bottle is supplied as a protective measure 10 Bottle for a...

Page 29: ...so that the sample flows off evenly at the overflow 1 12 Control valve Set the sample flow to 5 to 10 l h 1 32 to 2 64 gal h at the control valve 2 Wait until sample flows off evenly via the overflow...

Page 30: ...ing device Switch on the analyzer at the mains switch 8 5 Configuring the measuring device The following steps must be performed once the analyzer has been switched on 1 Wait for a run in period of 4...

Page 31: ...lect the Mode function and confirm with 5 Select the AUTOMATIC option and confirm with 6 Navigate to the Parameters menu 7 Enter the factory password 2222 or a new password that has been assigned 8 De...

Page 32: ...te measuring interval Channel 1 Read only Indicates the channel whose measured value is shown on the display MST 1 Read only Displays the name of the channel The channel name can be edited pH C Read o...

Page 33: ...ogbook contains up to 5600 events The last row contains a filter option which allows the user to perform a simplified search for events Entry No Number of the entry displayed The entries are in chrono...

Page 34: ...increments for a sodium calibration including the measured mV values S E0 mV Read only Slope standard electrode potential C0 C Read only Initial concentration average calibration temperature Error Re...

Page 35: ...ed normal device operation is guaranteed If ON is selected all the information output by the device is frozen Measured values errors and alarms are not forwarded Switch on this function if performing...

Page 36: ...Temp Displays the zero point shift S mV D Enter the average temperature of the buffer solutions deactivatable temperature compensation E0 mV Displays the slope Meas pot mV Displays the measuring poten...

Page 37: ...are possible for relay 2 OFF No message Test Relay test function Warning The relay reports all warnings all calibration errors E1 to E7 No Sample E10 Limit E20 Limit The relay reports only when the c...

Page 38: ...gain in the defined time which must be configured under WaterTest MBF Channel Select the channel for the supply of MBF water MBF mixed bed filter Select a channel where medium is available continuousl...

Page 39: ...ter that is low in sodium In contrast to calibrations the regeneration process requires significantly less time thereby minimizing the time when the analyzer is not available for measurements If the o...

Page 40: ...us 1 126 Factory setting 126 Configure the slave address of the analyzer Names of Meas Points You can assign customized measuring point names to the individual channels 1 Select a maximum of 7 letters...

Page 41: ...n 20 2 INT16 Time until next Na regeneration Displays the time until the next Na regeneration min Status 2 22 4 REAL S Na Slope of the last Na calibration mV dec 26 4 REAL E0 Na E0 value from the last...

Page 42: ...dium concentration of channel 5 ppb g l 86 1 BYTE Status C5 Assignment of channel status 44 87 1 BYTE Reserve C5 88 2 INT16 Measuring time C5 Set measuring time in automatic mode 2 min Channel 6 90 4...

Page 43: ...r C0 value of the Na calibration is too high 2 Delta U too large Delta U value of the Na calibration is too high 3 STABW too large Standard deviation of Na calibration is too high 4 S Na too low Slope...

Page 44: ...nnel 5 no time limit switched off by off 6 Start meas ch 6 Starts measurement of channel 6 no time limit switched off by off 7 Start regeneration Starts the automatic regeneration of the Na electrode...

Page 45: ...CA76NA Operation Endress Hauser 45 Index calibration interval Value Calibration interval Unit 0x00 Off 0x01 4 h 0x02 12 h 0x03 24 h 0x04 48 h 0x05 72 h 0x06 120 h 0x07 168 h...

Page 46: ...ccurs after a calibration E6 S pH too small Slope of the pH electrode outside the permitted limits only occurs after a calibration E7 S pH too large Slope of the pH electrode outside the permitted lim...

Page 47: ...00 S mV D 25 0 C Parameters Basic Settings Parameter Default value Unit g l ppb Language English WaterTest On MBF Channel 1 Autostart On Date Current date Scan Time Current time Parameters Measuremen...

Page 48: ...d W 1111 Password P 2222 10 3 Firmware history Date Version Changes to firmware Documentation 06 2022 V1 14 00 Complete revision BA01706C 04 22 10 2019 V1 13 02 Extension to include PROFIBUS function...

Page 49: ...de As needed approx Once a month Cleaning the flow through cell As needed approx every 2 months Replace the alkalization reagent Every 6 months Check the lines for leaks As needed every 6 months at th...

Page 50: ...er cartridge while paying attention to the flow direction indicated on the adhesive label on the filter 4 Fit the medium supply hose with the quick release coupling back on 11 2 3 Cleaning the measuri...

Page 51: ...om the measuring unit 2 Loosen the Allen screws AF4 of the cover and then remove the cover 3 Empty the measuring unit e g with a pipette 4 Untighten the hose connections of the measuring unit To do so...

Page 52: ...ose the O ring fitted in the measuring unit 6 Loosen the 2 PH2 Phillips screws on the cover of the liquid control unit and open the cover 7 Unscrew the hose to the circuit pump 8 Hold the measuring un...

Page 53: ...ting Mode Mode AUTOMATIC 11 2 4 Calibrating the pH electrode You can obtain good results with buffers with pH values of 4 and 7 The pH value of buffer pH1 should be lower than that of buffer pH2 Both...

Page 54: ...Automatically calibrating the sodium electrode The analyzer has a built in function for automatic calibration Set the calibration interval for automatic calibration for this function 1 Navigate in th...

Page 55: ...to remove the bubbles Do not allow the glass bulbs of the electrodes to become dry Fit protection caps on the electrodes Remove electrodes from the left sodium and or the right pH chamber 5 NOTICE The...

Page 56: ...left hand chamber sodium or right hand chamber pH 6 Tighten the electrode coupling finger tight 11 2 7 Measuring the laboratory sample The measurement of a laboratory sample makes it is possible to C...

Page 57: ...goggles protective gloves and a lab coat when working with chemicals Avoid any skin contact with chemicals Do not inhale any vapors Ensure the area is well ventilated Comply with further instructions...

Page 58: ...op up the bottle with 0 5 liter 16 9 fl oz of standard solution 5100 g l ppb Na and screw it back into the holder 6 Under Maintenance Reagent Exchange select the Yes option 7 After replacing execute t...

Page 59: ...adapter required for connection to the analyzer the bottle connection including thread adapter nut and seal are ready to use Bottles with alkalization reagent with GL45 thread A different union is sup...

Page 60: ...Ensure the area is well ventilated Measuring unit If the analyzer has not been in operation for more than 3 days it must be taken out of service to avoid any damage to the device Proceed as follows to...

Page 61: ...uote the serial number of the device when ordering spare parts 12 3 Return The product must be returned if repairs or a factory calibration are required or if the wrong product was ordered or delivere...

Page 62: ...f the analyzer is mounted or disassembled incorrectly Two people are needed to mount and disassemble the analyzer Wear suitable protective gloves to protect against mechanical risks Comply with minimu...

Page 63: ...alyzer order the sodium electrode pH electrode and standard solution as a starter kit accessory pH electrode Sodium electrode Standard solution Order No 71358762 13 1 2 Electrode kit Sodium electrode...

Page 64: ...6NA 64 Endress Hauser Sodium standard solution Standard solution 5100 g l ppb Na 500 ml 16 9 fl oz Order No 71358761 13 1 7 Other accessories Threaded adapter for alkalization bottle GL45 IG S40 AG Or...

Page 65: ...liant acc to IEC 61158 Data transmission rate 9 6 kbit s 12 Mbit s Galvanic isolation Yes Connectors M12 socket as per IEC 61072 2 101 5 pin b coded For version with PROFIBUS DP Maximum of two analog...

Page 66: ...to 240 V AC voltage level If the analyzer is operated with 100 to 130 V AC replace the fuse with the T 2 5 A fuse supplied The fuse is located in the cover of the electronics unit Power consumption 4...

Page 67: ...Ambient temperature range 5 to 45 C 41 to 113 F Storage temperature 0 to 50 C 32 to 122 F Alkalization reagent and electrodes Store the alkalization reagent and electrodes at temperatures above 5 C 41...

Page 68: ...ressure regulator regulates pressure to approx 0 8 bar 11 6 psi additional lab sample pH regulation to pH 11 14 7 Mechanical construction Dimensions 15 Weight Approx 23 kg 50 7 lbs Hose specification...

Page 69: ...aintenance Maintenance schedule 49 Maintenance tasks 49 Menu 35 Taking out of service 60 Measured value display 32 Measured variables 65 Measuring range 65 Measuring system 10 Measuring the laboratory...

Page 70: ...ching on 30 Symbols 4 5 T Taking out of service 60 Technical data Environment 67 Input 65 Mechanical construction 68 Output 65 Performance characteristics 66 Process 67 Relay outputs 65 Technical pers...

Page 71: ......

Page 72: ...www addresses endress com 71578460 71578460...

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