Thermo Scientific AquaSensors
Contents
1. 48 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Modbus Register Map Section 8 Data Type USHORT Access Read Write Default Value 0 Supported Values 0 to 1 This register specifies the units of measure of the probe s temperature sensor Units of measure are assigned using the integer value in the following table 0 C 1 F Temperature Filter Register Address 43020 Register Size 1 Data Type USHORT Access Read Write Default Value 1 second Supported Values 0 to 100 seconds This register specifies the filter constant of the probe s temperature sensor This is the number of seconds required to reach 9096 of the final value when the reading changes A setting of zero seconds specifies unfiltered readings Calibration Registers Calibration Status Register Address 41002 Register Size 1 Data Type USHORT Access Read only The calibration status can contain the following values No sensor calibration Calibration in progress Calibration OK Calibration failed parameter failed to stabilize T Cco n50 e Calibration failed user entered value too low DO only 10 Calibration failed slope too high DO only Thermo Scientific AquaSensors RDO Pro X Optical Dissolved Oxygen Measurement System 49 Section 8 Modbus Register Map 12 Calibration failed offset too high temperature only 14 Calibration failed DO o2. 43002 1 SHORT R Temperature value 43003 1 SHORT R W Cal sensor 1 Point sample value mg L 43005 1 SHORT R W Cal temperature 1 Point sample value C 43009 1 USHORT R W Cal sensor in air 43010 1 USHORT R W Cal sensor zero 43011 1 USHORT R W Cal abort 43012 1 SHORT R W DO salinity mS cm 43013 1 SHORT R W DO barometric pressure mmHg 43017 1 USHORT R W Sensor units 43018 1 USHORT R W Sensor filter 43019 1 USHORT R W Temperature units 43020 1 USHORT R W Temperature filter 43022 1 USHORT R W Modbus slave address 43023 1 USHORT R W Modbus baud rate 43024 1 USHORT R W Modbus parity 43025 1 USHORT R W PLC data type 44001 1 USHORT R Sensor value scale factor 44002 1 USHORT R Temperature value scale factor 44003 1 SHORT R Cal sensor 1 Point sample value SF 44005 1 SHORT R Cal temperature 1 Point value SF 44012 1 USHORT R DO salinity scale factor 44013 1 USHORT R DO barometric pressure scale factor 45001 16 STRING R W Main serial number 45017 4 STRING R DataStick code version 45021 1 USHORT R W Node address 45022 1 USHORT R Sensor type 45023 1 USHORT R Calibration type 45024 1 USHORT R Comms adapter code version 47001 2 ULONG R Cap expiration time 47003 1 USHORT R Cap condition state 40 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Thermo Scientific AquaSensors Modbus Register Map Section 8 Note Registers 48580 48589 and 49000 49199 are reserved for factory use
3. RDO Pro X Optical Dissolved Oxygen Measurement System UM 279765 001 RevisionA January 2014 Safety Information The Thermo Scientific AquaSensors RDO Pro X Optical Dissolved Oxygen System shall be installed and operated only in the manner specified Only a skilled trained or authorized person should carry out installation setup and operation of the system Before using the system make sure that it is connected as specified Failure to do so may result in permanent damage to the system or its components Protection against electric shock will be achieved only by observance of the corresponding installation rules Contents Section 1 MM OCUGTION svc seii uaa ian Fa crac aaa rac 5 General Information setenta 5 Intended Use ce 6 Safety Instructions 6 Removal from Service Correct Disposal of the System sss 6 Removal from Service 6 Correct Disposal of SVSTBTIasulaseinehdatux eas Din dieu bue esed b aranira iR 7 Section 2 Product Description i ierra hne noci to cin cra retener 8 Serial Numbers sss tne retten snae teta tnter Aana a anaa 9 Unpacking the e ERE E TQ E T ET 9 Section 3 Mounting Hardware eene 11 Immersion Hardware eeeeeeeneeenenennenn nennen trente netten tne tt 11 WashiHardwate tete eiecti rete Le Hin te E bem E DELL REEL ENERO 13 Section 4 Wiring cnm 14 Modbus Ma
4. B ELM From the Main Menu use the up down arrows to select Calibrate Then press ENTER zMain Menu Calibrate T e From the Calibrate Menu use the up down arrows to select Air Then press ENTER Calibrate Air B onc The current sensor value is dynamically displayed and the user is prompted to be sure the measurement is ready for calibration before proceeding When ready press the ENTER key 8 17 ppm Sensor in air a 7 Thermo Scientific AquaSensors RDO Pro X Optical Dissolved Oxygen Measurement System 31 Section 7 Calibration and Configuration Once the actual air calibration has been initiated the display will indicate that a calculation is progressing During the calculation it is important that nothing disturb the measurement sample To abort the calibration during this calculation press ESC Air Calibrating When the calibration calculation is complete the result will be displayed on the second line of the display If the calibration is successful the message will be CAL OK If the calibration is not successful the message will be CAL FAIL In either case press ENTER to continue Air Cal OK EE 7 If the calibration is successful pressing ENTER will return to the measure screen If the calibration is not successful pressing ENTER will return to the beginning of the 1 point sample calibration Reasons for calibration failure include a sample that is not in the correct measurement
5. The value must be scaled by the sample value scale factor specified in register 44005 RDO Pro X Optical Dissolved Oxygen Measurement System 51 Section 8 Modbus Register Map Cal Temperature 1 Point Sample Value Scale Factor Register Address 44005 Register Size 1 Data Type SHORT Access Read only This register specifies the scale factor of the Calibrate Temperature 1 Point Sample Integer Value This register returns 10 Float 7 Integer 10 Cal Sensor In Air Register Address 43009 Register Size 1 Data Type USHORT Access Read Write Writing any value to this register initiates an air calibration of the DO sensor The probe must be placed in a 10096 water saturated air environment The reference concentration is computed as the theoretical concentration of oxygen in a 10096 saturated environment at the current barometric pressure value and zero salinity Always returns 0 Cal Sensor Zero Register Address 43010 Register Size 1 Data Type USHORT Access Read Write Writing any value to this register initiates a zero calibration of the DO sensor resulting in a zero offset correction The sensor shall be placed in a 0 oxygen environment at the current barometric pressure value and zero salinity The measured DO value must be less than 0 3 ppm Always returns 0 Cal Abort Register Address 43011 Register Size 1 Data Type USHORT Access Read Write Writing any value to this register aborts the current cali
6. and barometric pressure The DO sensor value is filtered according to the DO sensor filter parameter If the value is not ready the Communications Status Register returns 0 the probe returns NAN not a number DO Sensor Integer Value Register Address 43001 Register Size 1 Data Type SHORT Access Read only This register returns the current DO sensor value as a 16 bit signed integer The integer value is calculated by multiplying the floating point sensor value by the DO sensor value scale factor If the value is not ready the Communications Status Register returns 0 the probe returns 0 DO Sensor Value Scale Factor Register Address 44001 Register Size 1 Data Type USHORT Access Read only This register specifies the scale factor of the DO Sensor Integer Value If mg L units are specified this register returns 100 Integer Float 0 005 100 If percent saturation units are specified this register returns 10 Integer Float 0 05 10 DO Sensor Units Register Address 43017 Register Size 1 Data Type USHORT Access Read Write Default Value 0 Supported Values 0 to 1 This register specifies the DO units of measure Units of measure are assigned using the integer value in the following table 0 mg L ppm 1 saturation RDO Pro X Optical Dissolved Oxygen Measurement System 43 Section 8 Modbus Register Map DO Sensor Filter Register Address 43018 Register Size 1 Data Typ
7. Byte 0 Byte 1 Long A 32 bit two s complement signed integer contained in two register data addresses MSB SXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX LSB Byte 0 Byte 1 Byte 2 Byte 3 Where S 7 sign bit Unsigned Long A 32 bit unsigned integer contained in two register data addresses MSB XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX LSB Byte 0 Byte 1 Byte 2 Byte 3 Float A 32 bit IEEE 754 floating point value with 1 sign bit S an 8 bit exponent X and a 23 bit mantissa M MSB SXXX XXXX XMMM MMMM MMMM MMMM MMMM MMMM LSB Byte 0 Byte 1 Byte 2 Byte 3 String A string consists of a field of 2 N consecutive characters For example a 16 register string contains 32 ASCII encoded characters A termination character is not required When reading or writing a string all registers in the string must be transmitted If the string to be written does not require the full field length the extra characters must be padded with the value 0x00 to reach the full length DO Sensor Registers DO Sensor Floating Point Value Register Address 42001 Register Size 2 Data Type FLOAT Access Read only 42 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Thermo Scientific AquaSensors Modbus Register Map Section 8 This register returns the current DO sensor value as a floating point number The value is reported in the selected sensor units and adjusted for the current value of temperature salinity
8. Configuration choices are automatically available for the installed sensor head Configure Station Number Enter the MENU from the measure display of interest station in lower right DataStick Comms Set the station address baud rate and parity for the Modbus DataStick of interest RDO Pro X Optical Dissolved Oxygen Measurement System 21 Section 6 AV38 Local Display Interface AV38 Main Menu Functions Main Menu Option Function Chlorine Configure Select free or HOCL concentration for output Select pH compensation user guide set or active measure Only when Chlorine DataStick Present Hold Outputs Holds the 4 20 mA and Relay outputs Analog Output 1 Set 4 mA and 20 mA values Calibrate and test the current output with a meter Analog Output 2 option Set 4 mA and 20 mA values Calibrate and test the current output with a meter PID Controller Set up PID control functions for analog outputs Available with pH or Conductivity Relay A option Set timer alarm or control functions Optional Relay B option Set timer alarm or control functions Optional Help Indicates AV38 software version and sensor type Reset AV38 Resets AV38 configuration to default current output relay and PID settings Exit Returns to the measure screen The main menu is navigated using the up down arrows to display a desired function The symbol is used to indicate main menu choices To sele
9. Data Formats The Modbus protocol defines 8 bit byte and 16 bit register fields within messages and commands however it does not define the format of more complex data types Defined below are the data types used by the probe All multiple register formats must be read or written within a single command BYTE 1 8 bit unsigned integer SHORT 1 2 16 bit 2 s complement signed integer USHORT 1 2 16 bit unsigned integer LONG 2 4 32 bit 2 s complement signed integer ULONG 2 4 32 bit unsigned integer FLOAT 2 4 32 bit IEEE floating point value STRING N 2 N 2 N consecutive characters All data types in this section are shown in the default big endian format most significant byte first The byte order within the registers of the FLOAT data type may be changed by writing to the PLC Data Type register Byte An 8 bit unsigned integer contained in a single byte Used within command and response messages Not used as a register format MSB XXXX XXXX LSB Byte 0 Short A 16 bit two s complement signed integer contained in a single register data address MSB SXXX XXXX XXXX XXXX LSB Byte 0 Byte 1 Where S sign bit RDO Pro X Optical Dissolved Oxygen Measurement System 41 Section 8 Modbus Register Map Unsigned Short A 16 bit unsigned integer contained in a single register data address Individual bits can be manipulated with the mask write register command MSB XXXX XXXX XXXX XXXX LSB
10. Fisher Scientific Inc All rights reserved Modbus is a registered trademark of Schneider Electric Delrin is a registered trademark of E Du Pont De Nemours amp Company Alconox is a registered trademark of Alconox Inc RDO is a registered trademark of In Situ Inc All other trademarks are the property of Thermo Fisher Scientific Inc amp its subsidiaries Water Analysis Instruments North America Toll Free 1 800 225 1480 Tel 1 978 232 6000 UM 279765 001 0114 RevA Netherlands Tel 31 020 4936270 info water uk thermo com China Tel 86 21 68654588 wai asia thermofisher com India Tel 91 22 4157 8800 wai asia thermofisher com Singapore Tel 65 6778 6876 wai asia thermofisher com Japan Tel 81 045 453 9175 wai asia thermofisher com Australia Tel 613 9757 4300 in Australia 1300 735 295 InfoWaterAU thermofisher Thermo SCI ENTIFIC Part of Thermo Fisher Scientific
11. Oxygen DO Sensor 0 to 20 0 ppm 0 to 200 saturation range Delrin sensor body and polystyrene sensor cap Robust process design Temperature measurement included Precalibrated Reserved Category Sensor Communications 4 Modbus RTU Required for use with AV38 Local Display Sensor Cable Length 3 30 Feet 10 meters RD6 A 4 3 RDO Pro Optical DO Sensor Part Number Interface Components Description Part Number aay RDO PTOX g Data Stick Sensor Modbus RTU Sensors connect to Profibus DP CA26R Thermo Scientific AquaSensors RDO Pro X Optical Dissolved Oxygen Measurement System 60 RDO Pro X Optical Dissolved Oxygen System Order Matrix and Accessories Section 10 Part Number Local Interface Description Suggested Configurations AV38 NEMA 4X Display Controller One 4 20mA output 24VDC AV38BBOA1 Two 4 20mA outputs 2 Relays 90 240 VAC AV38CB0C2 Immersion assembly 7 ft PVC extension with junction box RDO Sensors MH3083 RD Immersion assembly w swivel rail 7 ft PVC extension with junction box RDO Sensors MH1242 RD mounting With swivel hand rail mount Immersion assembly w swivel and 7 ft PVC extension with junction box RDO Sensors MH1252 RD ball float With swivel hand rail mount and inflatable float Ball float platform Float Platform for up to 4 RDO Pro X Sensors or MHFB02 RD DataSticks Wash hardware A
12. S Bo BiTs BoT 2 BT CoS Bo 6 246090 x 10 B 7 423444 x 10 B 1 048635 x 10 Bs 7 987907 x 10 Co 4 679983 x 10 T is the scaled temperature Ts In 298 15 t 273 15 t tis temperature in degrees C S is the salinity in PSU ko is Henry s constant In ko 3 71814 5596 17 T 1 049 668 T T is temperature in Kelvin is the negative of the second pressure coefficient 0 000975 1 426 x 10 6 436 x 10 t tis temperature in degrees C pis the density of water in g cm In p 0 589581 326 785 T 45 284 1 T T is the temperature in Kelvin Molar mass of water M 18 0152 g mole 1 PSU Practical Salinity Units the conductivity ratio of a sea water sample to a standard KCI solution References Benson and Krause Jr 1980 The concentration and isotopic fractionation of gases dissolved in freshwater in equilibrium with the atmosphere Limnol Oceanogr 25 4 662 671 Gordon and Garcia 1992 Oxygen Solubility in Seawater Better Fitting Equations Limnol Oceaongr 37 6 1307 1312 Dissolved Oxygen Saturation Equations 02 Sat O2Reading 02100 Sat Where O Reading is the mg L reading from the RDO sensor O2 100 Sat is the theoretical saturation value in mg L and is derived as 46 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Thermo Scientific AquaSensors Modbus Register Map Section
13. for each output is identical Note During calibration the analog output is held at its present value Refer to the AV38 258479 001 User guide for detailed current output operation and setup Relay Function Overview Relay A and Relay B are optional features on the AV38 Relays are Form C with normally open and normally closed contacts 120 Volts 3 Amps Connections are made with the optional terminal block on the left side of the back panel When installed configuration of relay action is accessed through the Relay A and Relay B in the main menu RDO Pro X Optical Dissolved Oxygen Measurement System 25 Section 6 AV38 Local Display Interface Top level configuration of the relays is as follows e Set Function Sets the relay function for alarm control or wash operation e Parameter Assigns either sensor DO or temperature to the relay function e Activation Configures the relay activation setpoints deadbands and on off delays settings e The activation parameters depend on which function is selected e When set for ALARM the relays will activate based on the settings of low and high limits e When set for CONTROL the relays will activate based on the settings of phase and a single setpoint e When set for WASH the relay will activate based on programmed interval duration and off delay Alarm and Control settings allow fine tuning of activation criteria with deadband and delay functions Activation paramet
14. information in this user manual is not followed Therefore the operating instructions and specifications must be read and understood by all persons involved in installation and operation of this equipment This user manual identifies safety instructions and additional information by means of the following symbols This symbol draws attention to safety instructions and warnings of potential danger which if neglected could result in injury to persons and or damage to property ce This symbol identifies additional information and instructions which if neglected could lead to inefficient operation and possible loss of production It is recommended that this user guide be made accessible to everyone who may need it as a reference RDO Pro X Optical Dissolved Oxygen Measurement System 5 Section 1 Introduction Please contact Thermo Fisher Scientific or an authorized representative with any questions Intended Use The RDO Pro X Optical Dissolved Oxygen System is used for continuous monitoring dissolved oxygen in applications where the range of measurement is between 0 ppm and 20 ppm The sensor also measures temperature Any other use or use not mentioned here that is incompatible with the technical specifications is deemed inappropriate The operator is solely responsible for any damage arising from such use Other prerequisites for appropriate use include 1 Observing the instructions notes and requirements set out in this
15. point integer and ASCII measure calibrate and configure commands The probe register map is defined in the table below If an attempt is made to read or write a register that is not defined in the register map the probe returns an exception response with error code 0x02 illegal data address If the controller attempts to write to a read only register the probe returns an exception response with error code 0x82 read only register If the controller attempts to write an invalid register or field value the probe returns an exception response with error code 0x84 invalid write value 39 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Section 8 Modbus Register Map Register No Register Size Data Type eee Description 41001 1 USHORT R Communications status 41002 1 USHORT R Calibration status 41003 1 USHORT R Sensor memory status 41004 1 USHORT R Configuration memory status 41005 1 USHORT R Calibration memory status 41006 1 USHORT R Run status 42001 2 FLOAT R DO sensor value 42003 2 FLOAT R Temperature value 42005 2 FLOAT RIW Cal sensor 1 Point sample value mg L 42009 2 FLOAT R W Cal temperature 1 Point sample value C 42023 2 FLOAT R W DO salinity mS cm 42025 2 FLOAT R W DO barometric pressure mmHg 43001 1 SHORT R DO sensor value
16. range or is changing in value too quickly 1 Point Sample Span Calibration The complete calibrate menu for the RDO Pro X Optical Dissolved Oxygen system is shown below Calibrate mAir gt l Point Sample Temperature 4Exit B Das From the measure screen press MENU 8 14 ppm 13 1 C DS1 1 a mE IE EA 32 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Calibration and Configuration Section 7 From the Main Menu use the up down arrows to select Calibrate Then press ENTER Main Menu PCalibrate 1 B ENG From the Calibrate Menu use the up down arrows to select 1 Point Sample Then press ENTER Calibrate gt l Point Sample a ENG The current sensor value is dynamically displayed and asks the user to be sure the measurement is ready for calibration before proceeding When ready press the ENTER key 8 17 ppm Sensor ready ET The calibration value can be adjusted with the arrow keys Use the up down arrows for fine adjust and the left right arrows for coarse adjust After the calibration value is adjusted to the desired value press the ENTER key 1 Point Sample 8 17 ppm Fs pe psp 5 7 Thermo Scientific AquaSensors RDO Pro X Optical Dissolved Oxygen Measurement System 33 Section 7 Calibration and Configuration Once the actual 1 point sample calibration has been initiated the display will indicate that a calculati
17. user guide 2 Observing all local safety regulations 3 Observing all warnings and cautions in the documentation regarding all products used in this measurement system including the sensor mounting hardware AV38 electronics and cabling Observing the prescribed environmental and operational conditions 5 Observing chemical compatibility with all wetted materials Safety Instructions The system should be installed and operated only by personnel familiar with the system and qualified for such work A defective system should be returned to Thermo Fisher Scientific for repair or replacement Contact Thermo Fisher Scientific to obtain a Return Material Authorization RMA number No modifications to the system are allowed Thermo Fisher Scientific accepts no responsibility for damage caused by unauthorized modifications The risk is borne entirely by the user Removal from Service Correct Disposal of the System Removal from Service e Disconnect the cable wiring from the controller terminal block e Remove the system from the mounting hardware 6 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Introduction Section 1 Correct Disposal of System e When the system is taken out of service observe the local environmental regulations for correct disposal Thermo Scientific AquaSensors RDO Pro X Optical Dissolved Oxygen Measurement System 7 gt Product Description Your new RDO Pro
18. user is presented with a calibration value for editing Please note that it is best to calibrate temperature when the sensor and the process are at equilibrium Temperature 25 3 EI A When the value has been edited as desired the enter key is pressed and the calibration of the point is started Temperature 25 0 E ES E MENU ESC ENTER 1 5 During this time the calibration procedure can be aborted by pressing the escape key Temperature Calibrating pa gt Lv MENU ESC ENTER 1 Thermo Scientific AquaSensors RDO Pro X Optical Dissolved Oxygen Measurement System 35 Section 7 Calibration and Configuration After the calibration point has been stored the user is prompted to confirm a successful calibration procedure Temperature Confirm cal OK 5 7 When the enter key is pressed the analog output is placed into active mode and the monitoring of sensor and temperature values is resumed This successfully completes the temperature calibration procedure 8 17 ppm 25 0 G Del 1 E ai If an error occurs during calibration that causes the procedure to fail the reason for the failure will be shown When the enter key is pressed the calibrate menu is displayed This ends the temperature calibration procedure The user has the option of repeating the procedure if desired Calibrate Temperature PIE 2 36 RDO Pro X Optical Dissolved Oxygen M
19. 8 10 x p 0 20946 x P Py 02100 Sat 31 9988 x x 1 pP x S k9M Where p is the density of water in g cm In p 0 589581 326 785 T 45 284 1 T T is the temperature in Kelvin P is the atmospheric pressure in atm Pw is the partial pressure of water vapor at saturation in atm In Py 11 8571 3 840 70 T 216 961 T ko is Henry s constant In ko 3 71814 5596 17 T 1 049 668 T T is the temperature in Kelvin Molar mass of water M 18 0152 g mole is the negative of the second pressure coefficient Os 0 000975 1 426 x 10 t 6 436 x 10 t Where t is temperature in degrees C S is the salinity correction In S S Bo BiTs BT BsTs CoS Bo 6 246090 x 10 Bi 7 423444 x 10 B 1 048635 x 10 Bs 7 987907 x 10 Co 4 679983 x 10 Ts is the scaled temperature Ts In 298 15 t 273 15 t Where t is temperature in C S is the salinity in PSU References Benson and Krause Jr 1980 The concentration and isotopic fractionation of gases dissolved in freshwater in equilibrium with the atmosphere Limnol Oceanogr 25 4 662 671 Calibration Calculations Calibrated oxygen reading Oonc Co C1 X Oony Where C1 02100 Sat Oznus X Oznuz Co C1 X Oonz Where 02100 Sat is the theoretical 100 saturation point RDO Pro X Optical Dissolved Oxygen Measurement Sys
20. 8 Local Display Interface For detailed information on configuration of AV38 current outputs relays host communications please refer to the AV38 user guide 258479 001 This user guide describes basic calibration and configuration functions directly related to DO The AV38 is a universal display interface for DataStick sensor systems which includes the RDO Pro X Optical Dissolved Oxygen System The enclosure has 74 DIN dimensions for easy mounting and is rated NEMA 4X for outdoor use It uses a liquid crystal display LCD with a high contrast backlight for best readability and is powered with 24 volts DC or optionally with line power 90 VAC to 240 VAC 50 60 Hz The AV38 automatically recognizes the type of DataStick connected to the system and provides the appropriate calibration configuration and diagnostic menus It has options for two 4 20 current loops two alarm control wash relays and network communications to a host computer In addition the AV38 can address up to 247 DataStick sensors DataStick sensors connected to the AV38 communicate via Modbus RTU As such the AV38 can be used to select one of several DataStick sensors on the bus for display current output reporting and relay alarms by selecting the desired station address When there is no DataStick sensor connected at the selected network address the measure screen indicates DataStick Absent 20 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Sci
21. ESC to return to the measure screen zMain Menu gt Help ooo Pressing the down arrow from Help will display Reset AV38 To select Reset functions press ENTER To continue scrolling the list press the down arrow Press ESC to return to the measure screen Main Menu gt Reset AV38 EI A 24 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Thermo Scientific AquaSensors AV38 Local Display Interface Section 6 To return to the measure screen press ENTER when in the EXIT screen Pressing ESC from any screen will take the user up one level In this example ESC will also take the user to the measure screen Since this screen is at the bottom of the main menu list the down arrow will not work here The up arrow can be used to go back through the list Main Menu Exit GT 77 Analog Output Overview The analog output menu is used to setup the 4 milliamp to 20 milliamp analog output in the AV38 This function allows the following assignments e Parameter Assign either DO or temperature to the output e 4 mA Value Assign the lowest value of DO or temperature to be reported e 20 mA Value Assign the highest value of DO or temperature to be reported e Calibrate Use an external ammeter to calibrate the output for precise current readings When the AV38 is configured with two current outputs then the main menu list shows Analog Output 1 and Analog Output 2 The menu system
22. N 4 Wiring A printed label affixed near the end of the cable indicates the wiring chart The standard cable length is 30 feet 10 meters with the idea that the cable will terminate in a junction box It is however possible to order additional cable up to a total maximum of 4000 ft The sensor has six wires and a shield The RED and BLACK wires are for power the BLUE and GREEN wires are for communications the BROWN and WHITE wires are unused and a bare shield wire is connected to EARTH GROUND for safety and electromagnetic immunity and emissions Any Class 2 DC power supply that provides 24 VDC can be used RDO Pro X Signal Name RDO Pro X Wire Color External Power 12 to 36 VDC Red Ground Return Black RS485 Green RS485 Blue Earth Shield 14 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Wiring Section 4 Modbus Master with Built in RS485 RDO Pro X Signal Name RDO Pro X Wire Color External Power 12 to 36 VDC Red Ground Return Black RS485 Green RS485 Blue Modbus master with RS485 built in EXT PWR RED GND RETURN BLACK RS485 GREEN RS485 BLUE To Modbus slave Note Cable length must not exceed 4000 ft Modbus Master with Built in RS232 Converter Required RDO Pro X Signal Name RDO Pro X Wire Color External Power u Red 12 VDC voltage limited by converter Ground Return Black R
23. O Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Thermo Scientific AquaSensors Mounting Hardware The cable end of the sensor is internally threaded 174 11 NPT and can be attached to a male threaded pipe When deployed make sure that the nose cone and thermistor are completely submerged The sensor is 9 inches long and 1 75 inches in diameter 14 1172 NPT For immersion mounting Thermo Scientific AquaSensors immersion mount hardware with hand rail mounting and ball float is available Immersion Hardware For immersion mounting applications the sensor is threaded on to the end of a pipe and wired into a junction box at the other end An extension cable is then wired from the junction box to the controller The standard pipe length is 7 feet and the assembly is often mounted onto a hand rail assembly for easy repositioning of the sensor in a pond or tank RDO Pro X Optical Dissolved Oxygen Measurement System 11 Section 3 Mounting Hardware TMa JUNCTION BOX A 1 1 2 PIPE A 1 1 2 TO 1 1 4 REDUCING COUPLING SENSOR This immersion assembly can be ordered by itself with a hand rail mounting assembly or with a ball float that keeps the sensor a fixed distance below the surface of the water Part numbers for the mounting assemblies are shown in the following table Immersion assembly T ft PVC extension with junction box RDO sensors MH3083 RD Immersion assembly w T ft PVC
24. S485 Green RS485 Blue Thermo Scientific AquaSensors RDO Pro X Optical Dissolved Oxygen Measurement System 15 Section 4 Wiring Modbus master with RS232 built in converter required Digital PLC EXT PWR RED 12 VDC voltage limited by converter GND RETURN BLACK RS232 TXD ios RS485 GREEN RS232 RXD m RS485 BLUE Converter To Modbus slave Note Cable length must not exceed 20 ft Port powered RS485 EXT PWR RED converter such as B amp B Electronics Model 485SD9TB GND RETURN BLACK RS485 4 BLUE RS485 GREEN Pin 5 GND Pin 3 TXD Pin 2 RXD Converter Required if port power is not available AV38 as Modbus Master J AV38 Universal Display A Max Operating Temp 60 C a 2 la m g E Hi z PIR JG z o RE o 9 gt amp F bl 7 E Jg 16 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Thermo Scientific AquaSensors Wiring Section 4 RDO Pro X Signal Name RDO Pro X Wire Color AV38 Terminal Number External Power Red 8 Ground Return Black 9 RS485 Blue 10 RS485 Green 11 Earth Clear 12 Note that the Blue wire from the RDO Pro X must be connected to terminal 10 White on the AV38 and the Green wire from the RDO Pro X must be connected to terminal 11 Blue on the AV38 for proper operation RDO Pro X Op
25. X Optical Dissolved Oxygen System is a rugged reliable system designed to deliver accurate dissolved oxygen DO data across a wide measuring range while reducing maintenance costs It features the latest optical technology for DO measurement The system consists of the following e Cable 10 m standard customizable to other lengths with stripped and tinned ends e Black sensor body with removable nose cone e Optical DO sensing cap e Silver thermistor Cable end stripped and tinned Nose cone 8 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Thermo Scientific AquaSensors Product Description Section 2 The System is used for continuous monitoring of dissolved oxygen from 0 ppm to 20 ppm The system also measures temperature from 0 C to 100 C The optical sensor head is pre calibrated and the zero is factory set The sensor retains calibration values and does not require a new calibration when the system is connected to a new AV38 Display Unit AquaPro PC or PLC The communications supports measurement calibration configuration and diagnostics functions which can be accessed locally or remotely without an analyzer or controller electronics box Product Highlights e 0 to 20 ppm Measurement Range e Calibration stored in Sensor Does not require recalibration after connection to Analyzer Controller e Immersion and Float Mounting Options e 0 01 ppm Resolution e Fa
26. allation Store in factory supplied container Installed Keep or store in the calibration chamber with the storage cap attached see section 2 1 1 and a few drops of clean water Replacing the Sensor Cap The sensor cap has a 2 years life after the sensor takes its first reading Replacement caps are available from Thermo Fisher Scientific or your authorized distributor 1 Remove the sensor nose cone 2 Pull the used sensor cap off of the sensor without twisting 3 Remove the existing o rings from the sensor 4 Use a lint free cloth to remove any moisture from the sensor body Ensure that there is no moisture in the o ring grooves Avoid touching or cleaning the lens with anything other than the supplied lens wipe 5 Use your finger to apply a layer of lubricant around the o ring grooves 6 Place the o rings on the sensor Apply another thin layer of lubricant to the o rings and grooves A Note Do not transfer grease to the lens or sensor pins 7 Clean the lens on the sensor with the wipe provided in the kit and allow to dry thoroughly Inspect for scratches or dirt 8 Remove the new cap from its sealed packaging and attach it to the sensor being careful to press firmly without twisting until it seals over the probe body Make sure that the o rings are not pinched or rolled between the cap and sensor 9 Perform a 1 point calibration Thermo Scientific AquaSensors RDO Pro X Optical Dissolved Oxygen Measurement System 19 AV3
27. axes shall be included on the invoice unless a valid tax exemption certificate is supplied Thermo Scientific AquaSensors Terms and Conditions Section 12 Return Material Authorization Contact Thermo Fisher Scientific Customer Service for a Return Material Authorization RMA number Items returned without an RMA number will be rejected All returned merchandise must be in unused resalable condition and must not be contaminated with hazardous materials Cancelled orders must be returned within 30 days of the date on the invoice and shall be subject to expenses incurred that may include but are not limited to inspection and restocking fees Items returned within 60 days shall be subject to a restocking charge that is equal to 15 of the purchase price Items returned after more than 60 days shall be subject to a restocking charge equal to 25 of the purchase price Thermo Fisher Scientific reserves the right to reject any return that is not under warranty after 60 days Non stock items are normally not returnable Transportation Orders are shipped FOB Thermo Fisher Scientific or factory by the most efficient means available Appropriate charges such as freight and insurance will be added to invoices All shipments will be insured Goods damaged in shipment must be reported by the recipient to the freight carrier for claims RDO Pro X Optical Dissolved Oxygen Measurement System 65 thermoscientific com processwater 2014 Thermo
28. bration and restores the previous calibration If no calibration is in progress the calibration status register is not 1 the write is ignored Always returns 0 52 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Thermo Scientific AquaSensors Modbus Register Map Section 8 Entering Calibration Registers The sensor is calibrated using the following procedure 1 Write to the appropriate calibration register 2 Read the Calibration Status register While the value is 1 the calibration is in progress When the value changes from 1 to 2 the calibration is complete If the value changes from 1 to 3 or greater the calibration failed and the value in the Calibration Status register explains why 3 To stop the calibration before it completes write to the Cal Abort register Communication Registers Communication Status Register Address 41001 Register Size 1 Data Type USHORT Access Read only On power up and until the first sensor values are available this register returns 0 to indicate that communication is OK After the first sensor values are available this register returns 2 to indicate that data is valid If the sensor cap is not installed or is expired this register returns 0 Modbus Slave Address Register Address 43022 Register Size 1 Data Type USHORT Access Read Write Default Value 1 Supported Values 1 to 247 This register specifies the probe address on the Modb
29. ct a menu choice press the ENTER key when the desired choice is displayed To return to the measure screen press the ESC key Whenever there is a value to be entered or a choice to be made the second line of the display will be surrounded by parentheses The name of the value being entered or choice being made will appear on the upper line of the screen and be appended with a question mark to indicate that the user is to provide input Figure 6 3 shows the list of standard menu choices and optional menu choices in the context of the AV38 display presentation Main Menu Main Mnu Standard Optional Features Main Menu Main Menu Calibrate Calibrate Figure 6 3 The main menu standard boonfigure koonfigure and optional feature lists DataStick Comms PDataStick Comms 4 FAnalog Output PAnalog Output gt Help gt MEN PAnalog Output gt gt Reset AV38 PRelay A PRelay B gt Help gt Reset AV38 Exit 22 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Thermo Scientific AquaSensors AV38 Local Display Interface Section 6 To illustrate navigation through the main menu the following sequence of down arrow key presses is shown The up arrow can always be used to scroll up through the list A pressed key is identified by a gray background e g From the measure screen press MENU to display the list of options Generally Calibration will be the first op
30. e USHORT Access Read Write Default Value 1 second Supported Values 0 to 100 seconds This register specifies the filter constant of the DO sensor This is the number of seconds required to reach 90 of the final value when the reading changes A setting of zero seconds specifies unfiltered readings DO Salinity Floating Point Value Register Address 42023 Register Size 2 Data Type FLOAT Access Read Write Default Value 0 mS cm Supported Values 0 to 999 9 mS cm This register specifies the salinity compensation for the DO sensor in terms of specific conductivity using the floating point format DO Salinity Integer Value Register Address 43012 Register Size 1 Data Type SHORT Access Read Write Default Value 0 Supported Values 0 to 999 9 mS cm This register specifies the salinity compensation for the DO sensor in terms of specific conductivity using the integer format The value is read and written as the floating point value multiplied by the DO Salinity Scale Factor DO Salinity Scale Factor Register Address 44012 Register Size 1 Data Type USHORT Access Read only This register specifies the scale factor of the DO Salinity Integer Value This register returns 10 Integer Float 0 05 10 44 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Thermo Scientific AquaSensors Modbus Register Map Section 8 DO Barometric Pressure Floating Point Value Regi
31. easurement System Thermo Scientific AquaSensors Calibration and Configuration Section 7 Configuration The complete configure menu is shown below Configure mSensor Filter gt Sensor Units gt Temp Filter gt Temp Units edge f b Pressure 4Exit From the measure screen press MENU 8 17 ppm 14 3 C ice m1 From the Main Menu use the up down arrows to select Configure Then press ENTER Main Menu Configure jx gt MENU ESC ENTER D n From the Configure menu use the up down arrows to select Sensor Filter Then press ENTER Configure FSensor Filter Thermo Scientific AquaSensors RDO Pro X Optical Dissolved Oxygen Measurement System 37 Section 7 Calibration and Configuration Edit the sensor filter with the up down arrows Press ENTER to select a new filter value Press ESC to abort the new sensor value The temperature filter edit screen works the same way Sensor Filter 1 seconds a ENG The Temperature units selection offers C and F in the edit screen 38 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Modbus Register Map When a RDO Pro X Optical Dissolved Oxygen System is connected directly to a PLC all measurement calibration configuration and diagnostic functions are accessible by any user interface that is also connected to the network Modbus uses a register map of floating
32. entific AquaSensors Figure 6 1 The elements of the measure screen Figure 6 2 The measure screen when the RDO Pro X is absent Thermo Scientific AquaSensors AV38 Local Display Interface Section 6 There are seven keys for menu navigation The MENU key is used to toggle between the menu and the measure screen Pressing the Menu key provides options for calibration configuration communications outputs and relays Measure Screen Overview The AV38 user interface is shown in Figure 6 1 It consists of an LCD module that contains two lines of 16 alphanumeric characters and seven keys to navigate the menu The contrast of the LCD module can be adjusted by simultaneously pressing the escape and up arrow keys for more contrast or the escape and down arrow keys for less contrast 8 17 ppm AB 30 8 C DS1 mn E cL When the RDO Pro X Optical Dissolved Oxygen System is not connected to the AV38 display the measure screen indicates the fault as shown in Figure 6 2 DataStick Absent E ENG Menu Structure Pressing the menu key while a measure screen is displayed accesses the main menu The following table shows all accessible functions including optional features AV38 Main Menu Functions Main Menu Option Function Sensor calibration choices are automatically available for installed sensor head Calibrate Station Number Enter the MENU from the measure display of interest station in lower right
33. ers for Alarm Control and Wash functions are listed in the table below Set Low Alarm Set Phase Set Interval Set High Alarm Set Setpoint Set Duration Set Low Deadband Set Deadband Set Off Delay Set High Deadband Set Off Delay Exit Set Off Delay Set On Delay Set On Delay Exit Exit Refer to the AV38 User guide for detailed relay operation and setup 26 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Calibration and Configuration Zero Calibration Offset Note For the most accurate measurements perform a zero calibration followed by an air calibration To calibrate the zero offset for the RDO Pro X Dissolved Oxygen System 1 Remove the water saturated sponge from the calibration chamber and fill the chamber to the fill line with approximately 60 mL of fresh sodium sulfite solution Place calibration cap cap with vent hole onto the top of the calibration chamber eco 9 2 Completely submerge the foil of the sensor making sure that the temperature thermistor is also completely submerged under the surface of the solution Do not allow the foil to rest completely on the bottom of the calibration chamber Leave at least 72 inch between the surface of the foil and the bottom of the chamber 27 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Section 7 Calibration and Configuration 3 Allow at least five mi
34. extension with junction box RDO sensors with A f i MH1242 RD swivel rail mounting swivel hand rail mount Immersion assembly w T ft PVC extension with junction box RDO sensors with MH1252 RD swivel and ball float swivel hand rail mount and inflatable float Ball float platform Float platform for up to 4 RDO Pro X Sensors or MHFBO2 RD DataSticks Attach air water purge block to sensor body Works with Wash hardware compressor amp AV38 wash relay or PLC MURERE Attach air purge block to sensor body Includes air Wash hardwate compressor works with AV38 wash relay or PLC NHS222 B For extension cables Terminal strip included DataStick JBOXX01 Junction box extension cable n extension cable DSECxx xx ft 12 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Mounting Hardware Section 3 Wash Hardware In applications where the sensor cap is quickly fouled a wash head assembly can be attached The head slips over the body of the sensor A single lock screw is tightened to secure the wash head to the sensor A hose is connected from the wash head to an air compressor or water source valve that is controlled by an AV38 wash relay that is programmed with a wash interval and duration y HOSE INLET WASH HEAD SENSOR LOCK SCREW WASH NOZZLE Thermo Scientific AquaSensors RDO Pro X Optical Dissolved Oxygen Measurement System 13 SECTIO
35. f the display If the calibration is successful the message will be Confirm cal OK If the calibration is not successful the message will be CAL FAIL In either case press ENTER to continue Zero Confirm cal OK 4 77 If the calibration is successful pressing ENTER will return to the measure screen and the analog outputs and relays will be returned to the active mode If the calibration is not successful pressing ENTER will return to the beginning of the zero calibration If the measured DO is greater than 0 3 ppm during the zero calibration then it will fail Add more sodium sulfite to the solution to consume the remaining dissolved oxygen After a zero calibration a very thorough soaking and rinsing of the RDO Pro X in distilled water is required to remove all of the sodium sulfite solution and restore the sensor performance Soak the RDO Pro X in distilled water for 30 minutes and blot it dry with a lint free tissue If the RDO Pro X is sluggish or inaccurate after a zero calibration not all of the sodium sulfite was removed from the sensor Soak the sensor for another 30 minutes in fresh distilled water and blot it dry with a lint free tissue RDO Pro X Optical Dissolved Oxygen Measurement System 29 Section 7 Calibration and Configuration Water saturated Air Span Calibration To calibrate the span for the RDO Pro X Optical Dissolved Oxygen System in water saturated air 1 Remove storage cap from top of calibra
36. ister Size 4 Data Type STRING Access Read only This register returns the string representation of the application code version in the form RX XX Node Address Register Address 45021 Register Size 1 Data Type USHORT Access Read Write Default Value 0 Supported Values 0 to 255 This is a general purpose register intended to hold a user programmed tracking number Sensor Type Register Address 45022 Register Size 1 Data Type USHORT Access Read only This register always returns the value 13 Comms Adapter Code Version Register Address 45024 Register Size 1 Data Type USHORT Access Read only This register returns the major part of the application code version in the upper byte of the register and the minor part in the lower byte of the register For example version 1 23 is represented as 0x0117 or decimal 279 RDO Pro X Optical Dissolved Oxygen Measurement System 57 Section 8 Modbus Register Map Cap Expiration Time Register Address 47001 Register Size 2 Data Type ULONG Access Read only This register returns the number of seconds remaining until the sensor cap reaches its recommended life If the sensor cap is not present or is past its recommended service life zero is returned Cap Condition State Register Address 47003 Register Size 1 Data Type USHORT Access Read only This register indicated the cap condition state according to the following table 0 Erro
37. ite Default Value 1 Little Endian Word Swap Supported Values 0 to 3 54 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Thermo Scientific AquaSensors Modbus Register Map Section 8 This register specifies the byte order used to represent the floating point data type The sign exponent and mantissa of a 32 bit IEEE 754 floating point number are organized into a 32 bit field as follows Byte 0 Byte 1 Byte 2 Byte 3 Bits 31 24 Bits 23 16 Bits 15 8 Bits 7 0 SXXX XXXX XMMM MMMM MMMM MMMM MMMM MMMM The byte order is assigned using the integer value in the following table Register N Register N 1 d Data Type ELT MB LSB MSB LSB 0 Little Endian Byte 0 Byte 1 Byte 2 Byte 3 1 Little Endian Word Swap Byte 2 Byte 3 Byte 0 Byte 1 2 Big Endian Byte 3 Byte 2 Byte 1 Byte 0 3 Bit Endian Word Swap Byte 1 Byte 0 Byte 3 Byte 2 Status Registers Sensor Memory Status Register Address 41003 Register Size 1 Data Type USHORT Access Read only This register returns the sensor memory status The register can contain the following values Description 0 Sensor memory not functional 1 Sensor memory not valid 2 Sensor memory valid Configuration Memory Status Register Address 41004 Register Size 1 Data Type USHORT Access Read only This register returns the configuration memory status The registe
38. nly By default or after a write to the Cal Abort register this register reports 0 After any type of calibration is initiated the register reports 1 After a calibration completes successfully the register reports 2 If a calibration fails the register reports the appropriate value The register is volatile and returns to zero if power is cycled Calibration Type Register Address 45023 Register Size 1 Data Type USHORT Access Read only This register returns the calibration type of the calibration in progress or the type of the last successful calibration The register can contain the following values 0 No sensor calibration 4 1 point sample calibration 7 Air calibration 8 Zero calibration 10 Temperature calibration The register is volatile and returns to zero if power is cycled Cal Sensor 1 Point Sample Float Value Register Address 42005 Register Size 2 Data Type FLOAT Access Read Write Default Value 0 00 Supported Values 1 00 to 10 00 mg L Writing a value to this register initiates a 1 point sample calibration of the DO sensor resulting in a slope correction The units are always mg L regardless of the units set for the DO sensor output This register is volatile and returns to zero if power is cycled 50 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Thermo Scientific AquaSensors Modbus Register Map Section 8 Cal Sens
39. nutes for the temperature to stabilize prior to calibration 4 Perform a zero calibration as shown in the following procedure 5 The complete calibrate menu for the RDO Pro X is shown below Calibrate gt l Point Sample Zero Temperature Exit MENU ESC ENTER EN gt M P H From the measure screen press MENU 8 14 ppm isc Yep Ma DSi 1 EI 7 From the Main Menu use the up down arrows to select Calibrate Then press ENTER zMain Menu F Calibrate 1 z E Aa ka From the Calibrate Menu use the up down arrows to select Zero Then press ENTER Calibrate Zero pemq E3 28 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Thermo Scientific AquaSensors Calibration and Configuration Section 7 The current sensor value is dynamically displayed and the user is prompted to be sure the measurement is ready for calibration before proceeding The analog outputs and relays are held in their current state When ready press the ENTER key 0 01 ppm Sensor ready eo 5 7 Once the actual zero calibration has been initiated the display will indicate that a calculation is progressing During the calculation it is important that nothing disturb the measurement sample To abort the calibration during this calculation press ESC Zero Calibrating When the calibration calculation is complete the result will be displayed on the second line o
40. on is progressing During this calculation it is important that nothing disturb the measurement sample To abort the calibration during this calculation press ESC 1 Point Sample Calibrating When the calibration calculation is complete the result will be displayed on the second line of the display If the calibration is successful the message will be CAL OK If the calibration is not successful the message will indicate the reason for the failure In either case press ENTER to continue 1 Point Sample Cal OK S e If the calibration is successful pressing ENTER will return to the measure screen If the calibration is not successful pressing ENTER will return to the beginning of the 1 point sample calibration Reasons for calibration failure include a sample that is not in the correct measurement range or is changing in value too quickly Temperature Calibration Press the ENTER key from the TEMPERATURE calibration menu to initiate the calibration process Calibrate Temperature 34 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Calibration and Configuration Section 7 When the temperature calibration procedure is started the analog output is placed into hold mode The user is prompted to prepare the sensor The temperature value is dynamically updated during this step 25 3 6 Sensor ready B EE When the sensor is ready the ENTER key is pressed and the
41. or 1 Point Sample Integer Value Register Address 43003 Register Size 1 Data Type SHORT Access Read Write Default Value 0 Supported Values 1 00 to 10 00 mg L Writing a value to this register initiates a 1 point sample calibration of the DO sensor in the same manner as a write to the float value The value must be scaled by the sample value scale factor specified in register 44003 Cal Sensor 1 Point Sample Value Scale Factor Register Address 44003 Register Size 1 Data Type SHORT Access Read only This register specifies the scale factor of the Calibrate Sensor 1 Point Sample Integer Value This register returns 100 Float Integer 100 Cal Temperature 1 Point Sample Float Value Register Address 42009 Register Size 2 Data Type FLOAT Access Read Write Default Value 0 0 Supported Values 5 to 50 C Writing a value to this register initiates a 1 point sample calibration of the temperature sensor resulting in an offset correction The units are always C regardless of the units set for the temperature sensor output This register is volatile and returns to zero if power is cycled Cal Temperature 1 Point Sample Integer Value Register Address 43005 Register Size 1 Data Type SHORT Access Read Write Default Value 0 Supported Values 5 to 50 C Writing a value to this register initiates a 1 point sample calibration of the temperature sensor in the same manner as a write to the float value
42. r cap is excessively worn and must be replaced DO cannot be measured 1 Warning cap is becoming excessively worn and should be replaced 2 Normal operating condition If the sensor cap is not present zero is returned 58 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors CO section 9 Specifications Luminescent dissolved oxygen sensor Optional not required 0 to 20 mg L ppm concentration 0 to 200 saturation 0 1 ppm up to 8 ppm 0 2 ppm from 8 to 20 ppm T90 30 sec T95 37 sec 25 C 0 01 mg L 2 years from the first instrument reading No predetermined shelf life requirements 0 to 50 C 32 to 122 F IP 67 with cap off IP 68 with cap installed Heavy industrial IEC 61000 6 2 2005 1 to 60 C 33 to 140 F in factory container 5 to 60 23 to 140 F 0 to 42 PSU fixed or real time capable 2 to 10 pH 507 to 1115 mbar fixed or real time capable 14 1172 NPT Modbus RTU RS485 10 m fixed stripped and tinned 3 years from date of manufacture 2 years from date of manufacture 0 93 Ibs without cable 59 RDO Pro X Optical Dissolved Oxygen Measurement System 8 inches long 203 2 mm Thermo Scientific AquaSensors section 10 RDO Pro X Optical Dissolved Oxygen System Order Matrix and Accessories Model Number RD6 RDO Pro Luminescent Dissolved
43. r can contain the following values RDO Pro X Optical Dissolved Oxygen Measurement System 55 Section 8 Modbus Register Map Description Configuration initialized Configuration valid Configuration valid and new sensor Configuration valid but new version oO FI M A O Configuration initialized Calibration Memory Status Register Address 41005 Register Size 1 Data Type USHORT Access Read only This register returns the calibration memory status The register can contain the following values Description 0 Calibration initialized 1 Calibration valid 2 Calibration valid but new version Run Status Register Address 41006 Register Size 1 Data Type USHORT Access Read only This register returns the calibration memory status The register can contain the following values Description 0 System error 1 Sensor installation required 2 System OK Main Serial Number Register Address 45001 Register Size 16 Data Type STRING Access Read Write 56 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Thermo Scientific AquaSensors Modbus Register Map Section 8 This is a general purpose string register intended to hold a user programmed device serial number By default this register is the string representation of the factory serial number DataStick Code Version Register Address 45017 Reg
44. r consequential damages This warranty is the sole and complete warranty for Thermo Fisher Scientific No person is authorized to make any warranties or representations on behalf of Thermo Fisher Scientific Thermo Fisher Scientific reserves the right to change or modify this warranty at any time RDO Pro X Optical Dissolved Oxygen Measurement System 63 Terms and Conditions Terms and Conditions of Sale The following terms and conditions will be presumed acceptable unless changes are made in writing and accepted by both parties in a reasonable amount of time Any standard or boilerplate terms and conditions supplied with a written purchase order will not be applicable unless accepted in writing by both parties Quotations All quotations shall be in writing Written quotations shall be valid for 30 days from the date issued Verbal quotations or price lists are not valid Pricing All pricing is in US Dollars Thermo Fisher Scientific reserves the right to change pricing without notice Terms Payment terms are net 30 days from the date of invoice with approved credit Thermo Fisher Scientific reserves the right to deny credit or revoke previously extended credit Past due accounts are subject to interest charges Other acceptable payment terms are cash certified check money order credit card or letter of credit confirmed by any United States of America bank Other payment terms are not valid unless accepted in writing Sales t
45. st Response e Provides measurement calibration configuration and diagnostic functions without Analyzer Controller e Works with AV38 AquaPro for local display current output data reporting and relay control with sensor wash e Temperature measurement included Serial Numbers The system s serial number is engraved on the side of the unit The cap serial number is programmed into the cap s memory chip Unpacking the Sensor 1 Remove the sensor from the box and other packaging materials 2 Unscrew the nose cone from the sensor and remove the red protective dust cap from the sensor Save the dust cap for later use Dust cap Nose cone RDO Pro X Optical Dissolved Oxygen Measurement System 9 Section 2 Product Description 3 Remove the RDO sensor cap from its shipping storage sleeve Thermo SCIENTIFIC AquoSensors ROOD censor cor 4 Align the arrow on the cap with the index mark on the sensor and firmly press the cap onto the sensor without twisting until it seals over the probe body fap i Avoid allowing moisture including atmospheric humidity inside the cap Keep the cap in its sealed packaging until you are ready to install it Install promptly Make sure that o ring grooves are dry and the o ring is not rolled or pinched inside the cap The cap s lifetime is 2 years after the first reading has been taken Install by the date printed on the packaging 5 Reattach the nose cone 10 RD
46. ster Address 42025 Register Size 2 Data Type FLOAT Access Read Write Default Value 760 mmHg Supported Values 539 2 to 792 4 mmHg This register specifies the barometric pressure compensation for the DO sensor in millimeters of Mercury mmHg using the floating point format DO Barometric Pressure Integer Value Register Address 43013 Register Size 1 Data Type SHORT Access Read Write Default Value 760 mmHg Supported Values 539 2 to 792 4 mmHg This register specifies the barometric compensation for the DO sensor in millimeters of Mercury mmHg using the 16 bit signed integer format The value is read and written as the floating point value multiplied by the DO Barometric Pressure Scale Factor DO Barometric Pressure Scale Factor Register Address 44013 Register Size 1 Data Type USHORT Access Read only This register specifies the scale factor of the DO Barometric Pressure Integer Value This register returns 10 Integer Float 0 05 10 Dissolved Oxygen Concentration Equations DO concentration is internally calculated in mg L Conversion to other units is as follows ug L 1000 mg L Oxygen concentration C mg L is calculated as C 31 9988 x 1E6 x pPo koM 1 G x Sc Where P is the partial pressure of O2 in atmospheres Pior 759 999876 x Pan RDO Pro X Optical Dissolved Oxygen Measurement System 45 Section 8 Modbus Register Map S is the salinity correction In Sc
47. ster with Built in RS485 ssseeeeeennnnntntnn tnnt 15 Modbus Master with Built in RS232 Converter Required sss 15 AV38 as Modbus Master sseseeeeneennennennnnnnn nennen nennen trennen enne 16 Section 5 Care and Maintenance eres 18 Cleaning the Sensor Cap eese eene tenerte tn tnter tute tn ntn annaa sntas inta 18 Cleaning the Optical WindOw sse 18 Cleaning the Sensor Body iuis Ede i ssl PILIS 19 MEAL SUOMI M 19 Replacing th Sens r CDs cueste bnciplas nad fuco Deis ur sumit Hone ARE UU 19 Section 6 AV38 Local Display Interface see 20 Measure Screen Overview sse trennen tt tnt 21 Menti Structure essi ers ra Um EP 21 Analog Output DUBIVIBWLS dioses ccn mt ausi etl aa aaea eaa i I hdd cad 25 Relay Function Overview ssssssesseseeenen entente tn ttn nn tette ttnt ettet nette tenente 25 Section 7 Calibration and Configuration sess 27 ZH Gallbratibnd COMM cssc bcati eie ile acon ctu URN ud Mna Led 27 Water saturated Air Span Calibration ssssscscsccitssasissidencsasiisasscsndanahastahasdiesansstbenshisnientnashessncontatan 30 1 Point Sample Span Calibration sse 32 Temperature Calibration 2 rtrarccos rites trapka kc bosttheptnpnk bu kEhE pF EK daba E Ra
48. tem 47 Section 8 Modbus Register Map Orus is the un calibrated reading at 100 saturation O nuz is the un calibrated reading at 0 saturation References Standard Methods for the Examination of Water and Wastewater 20th Ed 2008 4500 0 C Azide Modification American Public Health Association USA Temperature Registers Temperature Floating Point Value Register Address 42003 Register Size 2 Data Type FLOAT Access Read only This register returns the current temperature value as a floating point number The value is reported in the selected temperature units and filtered according to the temperature filter parameter If the value is not ready the Communications Status Register returns 0 the probe returns NAN not a number Temperature Integer Value Register Address 43002 Register Size 1 Data Type SHORT Access Read only This register returns the current temperature value as a 16 bit signed integer The integer value is calculated by multiplying the floating point temperature value by the temperature value scale factor If the value is not ready the Communications Status Register returns 0 the probe returns 0 Temperature Value Scale Factor Register Address 44002 Register Size 1 Data Type USHORT Access Read only This register specifies the scale factor of the temperature value This register returns 10 Integer Float 0 05 10 Temperature Units Register Address 43019 Register Size 1
49. tical Dissolved Oxygen Measurement System 17 Care and Maintenance Cleaning the Sensor Cap 1 2 3 Leave the cap and nose cone on the sensor Rinse the sensor with clean water from a squirt bottle or spray bottle Gently wipe with a soft bristled brush or soft cloth if biofouling is present Use Alconox to remove grease If extensive fouling or mineral build up is present soak the cap end in vinegar for 15 min then soak in deionized water for 15 min Do not use organic solvents they will damage the foil Do not remove the cap from the sensor prior to brushing After cleaning the sensor perform a 1 point user calibration or calibration check Cleaning the Optical Window Perform only when changing the cap See full instructions in the sensor replacement cap kit A Do not wet the lens area with water or any solution Remove the cap and gently wipe the window with the supplied lens wipe A Use only the supplied lens wipe for cleaning Do not use any other wipe or material 18 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Care and Maintenance Section 5 Cleaning the Sensor Body With the sensor cap installed on sensor gently scrub sensor body with a soft bristled brush or nylon dish scrubber Use Alconox to remove grease or other matter Soak in vinegar and deionized DI water to remove mineral deposits or extensive fouling as in step 4 above Cap Storage Prior to inst
50. tion To select a calibration function press ENTER Press the down arrow to scroll through the list Press ESC to return to the measure screen From the measure screen press MENU to display the list of options Generally Calibration will be the first option To select a calibration function press ENTER Press the down arrow to scroll through the list Press ESC to return to the measure screen Main Menu mCalibrate a onc Pressing the down arrow from Calibration will display Configure To select Configure functions press ENTER To continue scrolling the list press the down arrow Press ESC to return to the measure screen Main Menu Configure E cL rd Pressing the down arrow from Configure will display DataStick Comms To select DataStick Comms functions press ENTER To continue scrolling the list press the down arrow Press ESC to return to the measure screen zMain Menu PDataStick Comms a ono RDO Pro X Optical Dissolved Oxygen Measurement System 23 Section 6 AV38 Local Display Interface Pressing the down arrow from DataStick Comms will display Analog Output To select analog output functions press ENTER To continue scrolling the list press the down arrow Press ESC to return to the measure screen Main Menu PAnalog Output ENG Pressing the down arrow from Analog Output will display Help To select Help functions press ENTER To continue scrolling the list press the down arrow Press
51. tion chamber and replace with the calibration cap cap with vent hole Calibration cap Storage cap 2 Place the sponge wafer in the bottom of the calibration chamber and fill it with approximately 10 mL of water Note The water temperature should be similar to the sample temperature Nd Paco amp Gently dry the sensor and foil with a paper towel making sure there is no water on the body of the sensor and that the sensing foil is free of water and fouling 3 Place the sensor in the calibration chamber so that the sensing foil is about 1 inch above the surface of the water Note Make sure there are no water droplets on the surface of the foil when in the calibration chamber 4 Allow five to ten minutes for temperature stabilization prior to calibration Do not leave the sensor in the calibration chamber for more than 30 minutes This can allow condensation to form on the surface of the foil giving false low readings after calibration If condensation does occur remove sensor dry the foil place in the chamber and calibrate 5 Perform an air calibration as shown in the following menu tree 30 RDO Pro X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors Calibration and Configuration Section 7 The complete calibrate menu for the RDO Pro X is shown below m1l Point Sample gt Temperature Exit B Ema From the measure screen press MENU 8 14 ppm T3 1 6 DS1s 1
52. ts and salt bridges Products may not be returned without authorization from Thermo Fisher Scientific To obtain authorization please call Thermo Fisher Scientific for a return material authorization number Limitations This warranty does not cover 1 Damage caused by misuse neglect lack of appropriate maintenance alteration accident or improper application or installation 2 Damage caused by any repair or attempted repair not authorized by Thermo Fisher Scientific 3 Any product not used in accordance with the instructions furnished by Thermo Fisher Scientific RDO Pro X Optical Dissolved Oxygen Measurement System 62 Thermo Scientific AquaSensors Limited Warranty Section 11 4 Damage caused by acts of God natural disaster acts of war declared or undeclared acts of terrorism work actions or acts of any governmental jurisdiction 5 Freight charges to return merchandise to Thermo Fisher Scientific 6 Travel fees associated with on site warranty repair This warranty is the sole expressed warranty made by Thermo Fisher Scientific in connection with its products All other warranties whether expressed or implied including without limitation the warranties of merchantability and fitness for a particular purpose are expressly disclaimed The liability of Thermo Fisher Scientific shall be limited to the cost of the item giving rise to the claim In no event shall Thermo Fisher Scientific be liable for incidental o
53. ttach air water purge block to sensor body Works MH1222 RD with compressor amp AV38 wash relay or PLC Wash hardware Attach air purge block to sensor body Includes air MH5222 RD compressor works with AV38 wash relay or PLC Junction box For extension cables Terminal strip included JBOXX01 Extension cable DataStick Extension cable DSECxx xx ft Note RDO Pro X Sensor Body carries a 3 year warranty Sensor caps 2 years Accessories Sensor Cap Replacement RDO Pro X Optical DO Sensing Cap includes o rings and RDC1X silicone grease Replaced bi annually 2 year warranty Nose Cone Replacement RDO Pro X Sensor Nose Cone RDN1 O ring Kit Replacement RDO Pro X Sensor O ring Kit RDG1 Thermo Scientific AquaSensors RDO Pro X Optical Dissolved Oxygen Measurement System 61 Thermo Scientific AquaSensors Limited Warranty Warranty Replacement Plan Thermo Fisher Scientific warrants its products against material and workmanship defect for a period of one year from the date of shipment In the event that a defect is discovered during the warranty period Thermo Fisher Scientific agrees at its option to repair or replace the defective product Any product repaired or replaced under this warranty will be warranted only for the remainder of the original product warranty period This warranty does not apply to consumable products associated with this product including but not limited to chemical reagen
54. ub Lua KE ERE REIR R Epig 34 bro Te T 2 LUCO PRIN m 37 Section 8 Modbus Register Map een 39 Data FOMA O oraa 41 DO Sensor Registers de 42 Temperature Registers asus cua iau cteecet cea etree reed ig tees eeteasdigemeactncacan Sins GIA Geanenctaseecegeccneas 48 Calibration Registers REO cacao tt 49 Communication RegIS ers e qo a lieta ute etae cus Reha rnc uen 53 Status RegiSterS e S 55 Section 9 Specifications mmc eesti aids 59 Section 10 RDO Pro X Optical Dissolved Oxygen System Order Matrix and ACCOSSOMIOS iei veni ern Do d eie rg bed NE ed deo 60 ACCeSSO OS 1s tete idutete EE OREN A urine erem eteiier te dede vet utra 61 Section 11 Limited Warranty eoe ertet trennen cnn sn ec ceinins 62 Warranty Replacement Plate o erect oett doces ia tcs deiade ieu 62 Section 12 Terms and Conditions eee nnns 64 Terms and Conditions of Sale seen ene 64 Thermo Scientific AquaSensors Introduction General Information Thank you for purchasing the RDO Pro X Optical Dissolved Oxygen System The product is designed for continuous use in industrial process applications and complies with safety regulations currently in force Improper use could lead to hazards for the user or a third party and or adverse effects to the plant or other equipment Thermo Fisher Scientific does not accept any liability for damage that may arise if
55. us network The address must be unique from all other devices on the network The new address does not take effect until power to the probe is cycled Modbus Baud Rate Register Address 43023 Register Size 1 Data Type USHORT Access Read Write Default Value 0 19 2 kbps Supported Values 0 to 9 The baud rate specifies the communication speed at which data is transferred between the controller and the probe When this register is written the response is provided using the old RDO Pro X Optical Dissolved Oxygen Measurement System 53 Section 8 Modbus Register Map baud rate The new baud rate does not take effect until power to the probe is cycled Baud rates are assigned using the integer value in the following table Integer Value Baud Rate kbps 0 default 19 2 1 1 2 24 4 8 9 6 144 19 2 28 8 38 4 51 6 o o oco m c5 no Modbus Parity Register Address 43024 Register Size 1 Data Type USHORT Access Read Write Default Value 0 Odd Supported Values 0 to 3 This register specifies the communication parity generation and checking between the controller and the probe The new parity does not take effect until power to the probe is cycled Parity is assigned using the integer value in the following table 0 default Odd 1 None 2 Odd 3 Even PLC Data Type Register Address 43025 Register Size 1 Data Type USHORT Access Read Wr
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