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Summary of Contents for Thermo Scientific Thermo Scientific AquaSensors RDO Pro-X
- Page 1 Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System UM-279765-001 • Revision A • January 2014...
- Page 2 Safety Information ® The Thermo Scientific AquaSensors 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.
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Page 3: Table Of Contents
Contents Section 1 Introduction ....................5 General Information ........................5 Intended Use ..........................6 Safety Instructions ........................6 Removal from Service/Correct Disposal of the System ............... 6 Removal from Service ......................6 Correct Disposal of System ....................7 Section 2 Product Description ................ - Page 4 Section 10 RDO Pro-X Optical Dissolved Oxygen System Order Matrix and Accessories ..................60 Accessories ..........................61 Section 11 Limited Warranty .................. 62 Warranty/Replacement Plan ...................... 62 Section 12 Terms and Conditions ................. 64 Terms and Conditions of Sale....................64...
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Page 5: Introduction
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. Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System... -
Page 6: Intended Use
The risk is borne entirely by the user. Removal from Service/Correct Disposal of the System Removal from Service Disconnect the cable wiring from the controller terminal block. • Remove the system from the mounting hardware. • RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors... -
Page 7: Correct Disposal Of System
Introduction Section 1 Correct Disposal of System 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... -
Page 8: Product Description
Cable (10 m standard, customizable to other lengths) with stripped and tinned ends • Black sensor body with removable nose cone • Optical DO sensing cap • Silver thermistor • Cable end, stripped and tinned Nose cone RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors... -
Page 9: Serial Numbers
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. Nose cone Dust cap Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System... - Page 10 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. RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors...
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Page 11: Mounting Hardware
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. 1¼–11½ 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. - Page 12 Attach air purge block to sensor body. Includes air Wash hardware MH5222-RD compressor; works with AV38 wash relay or PLC. For extension cables. Terminal strip included. DataStick JBOXX01 Junction box extension cable extension cable DSECxx; xx=ft RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors...
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Page 13: Wash Hardware
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. Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System... -
Page 14: Wiring
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) Ground/Return Black RS485 (−) Green RS485 (+) Blue Earth Shield RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors... -
Page 15: Modbus Master With Built-In Rs485
Modbus Master with Built-in RS232 (Converter Required) RDO Pro-X Signal Name RDO Pro-X Wire Color External Power (12 VDC, voltage limited by converter) Ground/Return Black RS485 (−) Green RS485 (+) Blue Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System... -
Page 16: Av38 As Modbus Master
Section 4 Wiring Note: Cable length must not exceed 20 ft. Converter AV38 as Modbus Master RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors... - Page 17 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. Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System...
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Page 18: Care And Maintenance
Do not wet the lens area with water or any solution. Remove the cap and gently wipe the window with the supplied lens wipe. Use only the supplied lens wipe for cleaning. Do not use any other wipe or material. RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors... -
Page 19: Cleaning The Sensor 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... -
Page 20: Av38 Local Display Interface
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”. RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors... -
Page 21: Measure Screen Overview
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. Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System... - Page 22 ►DataStick Comms ▲ ▲ ►Analog Output ►Analog Output 1 ►Help ►Analog Output 2 ENTE ◄ ► ENTE ◄ ► ►Reset AV38 ►Relay A ▼ ▼ ◄Exit ►Relay B ►Help ►Reset AV38 RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors...
- Page 23 Comms functions, press ENTER. To continue scrolling the list, press the down arrow. Press ESC to return to the measure screen. ≡Main Menu ►DataStick Comms ▲ MENU ENTER ◄ ► ▼ Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System...
- Page 24 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 ►Reset AV38 ▲ MENU ENTER ◄ ► ▼ RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors...
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Page 25: Analog Output Overview
– 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. Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System... - Page 26 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. RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors...
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Page 27: Calibration And Configuration
Do not allow the foil to rest completely on the bottom of the calibration chamber. Leave at least ½-inch between the surface of the foil and the bottom of the chamber. RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors... - Page 28 ≡Main Menu ►Calibrate ▲ MENU ENTER ◄ ► ▼ From the Calibrate Menu, use the up/down arrows to select Zero. Then press ENTER. ≡Calibrate ►Zero ▲ MENU ENTER ◄ ► ▼ RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors...
- Page 29 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. Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System...
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Page 30: Water-Saturated Air (Span) 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. RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors... - Page 31 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? ▲ MENU ENTER ◄ ► ▼ Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System...
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Page 32: 1-Point Sample (Span) Calibration
≡Calibrate ►Air ►1-Point Sample ►Temperature ▲ ◄Exit MENU ENTER ◄ ► ▼ From the measure screen, press MENU. 8.14 ppm 13.1 °C DS1: ▲ MENU ENTER ◄ ► ▼ RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors... - Page 33 After the calibration value is adjusted to the desired value, press the ENTER key. 1-Point Sample? ( 8.17) ppm ▲ MENU ENTER ◄ ► ▼ Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System...
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Page 34: Temperature Calibration
Temperature Calibration Press the ENTER key from the TEMPERATURE calibration menu to initiate the calibration process. ≡Calibrate ►Temperature ▲ MENU ENTER ◄ ► ▼ RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors... - Page 35 ( 25.0) °C ▲ MENU ENTER ◄ ► ▼ During this time, the calibration procedure can be aborted by pressing the escape key. Temperature Calibrating... ▲ MENU ENTER ◄ ► ▼ Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System...
- Page 36 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 ▲ MENU ENTER ◄ ► ▼ RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors...
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Page 37: Configuration
▲ MENU ENTER ◄ ► ▼ From the Configure menu, use the up/down arrows to select Sensor Filter. Then press ENTER. ≡Configure ►Sensor Filter ▲ ◄ MENU ENTER ► ▼ Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System... - Page 38 ESC to abort the new sensor value. The temperature filter edit screen works the same way. Sensor Filter? 1) seconds ▲ MENU ENTER ◄ ► ▼ The Temperature units selection offers °C and °F in the edit screen. RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors...
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Page 39: Modbus Register Map
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). RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors... - Page 40 DataStick code version 45021 USHORT Node address 45022 USHORT Sensor type 45023 USHORT Calibration type 45024 USHORT Comms adapter code version 47001 ULONG Cap expiration time 47003 USHORT Cap condition state RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors...
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Page 41: Data Formats
XXXX XXXX Byte 0 Short A 16-bit two’s-complement signed integer contained in a single register data address. SXXX XXXX XXXX XXXX Byte 0 Byte 1 Where: ‘S’ = sign bit. Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System... -
Page 42: Do Sensor Registers
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 RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors... - Page 43 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. Integer Value Units mg/L (ppm) % saturation Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System...
- Page 44 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). RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors...
- Page 45 Oxygen concentration C = 31.9988 × 1E6 × (ρP M) (1 − Θ ) × S Where: is the partial pressure of O in atmospheres. = 759.999876 x P torr Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System...
- Page 46 Dissolved Oxygen, % Saturation Equations %Sat = O Reading/ O 100%Sat Where: Reading is the mg/L reading from the RDO sensor. 100% Sat is the theoretical saturation value in mg/L and is derived as: RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors...
- Page 47 Limnol, Oceanogr, 25(4), 662-671. Calibration Calculations Calibrated oxygen reading: Where: = (O 100%Sat)/( O 2RUS 2RUZ = -c 2RUZ Where: 100%Sat is the theoretical 100% saturation point Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System...
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Page 48: Temperature Registers
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 RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors... -
Page 49: Calibration Registers
Description No sensor calibration Calibration in progress Calibration OK Calibration failed, parameter failed to stabilize Calibration failed, user-entered value too low (DO only) Calibration failed, slope too high (DO only) Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System... - Page 50 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. RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors...
- Page 51 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. The value must be scaled by the sample value scale factor specified in register 44005. Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System...
- Page 52 Writing any value to this register aborts the current calibration 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. RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors...
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Page 53: Communication Registers
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 Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System... - Page 54 0 (default) None Even PLC Data Type Register Address: 43025 Register Size: 1 Data Type: USHORT Access: Read/Write Default Value: 1 (Little Endian Word Swap) Supported Values: 0 to 3 RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors...
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Page 55: Status Registers
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 register can contain the following values. Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System... - Page 56 This register returns the calibration memory status. The register can contain the following values. Value Description System error Sensor installation required System OK Main Serial Number Register Address: 45001 Register Size: 16 Data Type: STRING Access: Read/Write RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors...
- Page 57 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. Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System...
- Page 58 Error: cap is excessively worn and must be replaced. DO cannot be measured. Warning: cap is becoming excessively worn and should be replaced. Normal operating condition. If the sensor cap is not present, zero is returned. RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors...
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Page 59: Specifications
10 m fixed stripped and tinned Warranty Sensor 3 years from date of manufacture Warranty Cap 2 years from date of manufacture Weight 0.93 lbs (without cable) Dimensions 8 inches long (203.2 mm) RDO Pro-X Optical Dissolved Oxygen Measurement System Thermo Scientific AquaSensors... -
Page 60: Section 10 Rdo Pro-X Optical Dissolved Oxygen System Order Matrix And Accessories
3 30 Feet (~10 meters) RDO Pro Optical DO Sensor Part Number Interface Components Description Part Number Profibus / RDO Pro-X & DataStick Sensor Modbus RTU Sensors connect to Profibus DP CA26R Gateway Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System... -
Page 61: Accessories
Replacement RDO Pro-X Optical DO Sensing Cap; includes o-rings and Sensor Cap 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... -
Page 62: Section 11 Limited Warranty
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. Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System... - Page 63 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. Thermo Scientific AquaSensors RDO Pro-X Optical Dissolved Oxygen Measurement System...
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Page 64: Section 12 Terms And Conditions
Terms and Conditions S E C T I O N 1 2 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. - Page 65 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.
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