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5.7

Appendix A: Register Mapping Tables

Input Registers

Address

Description

R/W

Type

0x0000

ODO Saturation (%) [3:0]

Float

0x0001

0x0002

ODO (mg/L) [3:0]

Float

0x0003

0x0004

ODO Local Barometer Compensated (%) [3:0]

Float

0x0005

0x0006

Temperature (C) [3:0]

Float

0x0007

0x0008

Reference Temperature (C) [3:0]

Float

0x0009

0x000A

Time Since Boot (ms) [3:0]

U32

0x000B

0x000C

Conductivity (us/cm) [3:0]

Float

0x000D

0x000E

Specific Conductivity (us/cm) [3:0]

Float

0x000F

0x0010

Salinity (ppt) [3:0]

Float

0x0011

0x0012

Conductivity nLF (us/cm) [3:0]

Float

0x0013

0x0014

Total Dissolved Solids (mg/L) [3:0]

Float

0x0015

0x0016

Reserved [3:0]

Float

0x0017

0x0018

Reserved [3:0]

U32

0x0019

0x001A

Reserved [3:0]

Float

0x001B

0x001C

Reserved [3:0]

Float

0x001D

0x001E

Reserved [3:0]

Float

0x001F

Modbus Configuration & Commands

Summary of Contents for ODO RTU

Page 1: ...ODO RTU User Manual OPTICAL DISSOLVED OXYGEN TEMPERATURE SENSOR USER MANUAL ITEM 627379 01 REVISION A...

Page 2: ...mages due to misapplication or misuse of this product including without limitation direct incidental and consequential damages and disclaims such damages to the full extent permitted under applicable...

Page 3: ...wer 3 Calibration 3 1 Calibration Setup 3 2 Conductivity 3 3 Dissolved Oxygen 4 Maintenance and Storage 4 1 Conductivity Sensor 4 2 Optical Dissolved Oxygen Sensor 5 Modbus Configuration Commands 5 1...

Page 4: ...the probe at the factory 1 Remove the metal probe guard from the probe by turning it counterclockwise 2 Remove the red storage cap which contains a moist sponge from the end of the probe by pulling i...

Page 5: ...e Red Power Green Ground White Modbus A Black Modbus B 2 2 Power ODO RTU requires 10 16 VDC with a maximum current of 15 mA The sensor will pull 0 12 W while powered Once power is supplied to the sens...

Page 6: ...nsor guard and all sensors are clean YSI strongly recommends installing the sensor guard before placing the sensors into the calibration cup For highest data accuracy thoroughly rinse the calibration...

Page 7: ...clean and dry or pre rinsed calibration cup 3 Carefully immerse the sensors into the solution Make sure the solution is above the vent holes on the side of the conductivity sensor If using the ODO CT...

Page 8: ...Commands for more details ODO mg L Calibration 1 Place the ODO and conductivity temperature sensor into a water sample that has been titrated by the Winkler method to determine the dissolved oxygen co...

Page 9: ...oring the instrument sensors and cables should be placed in long term storage YSI recommends cleaning and maintenance before long term storage The conductivity channels should be cleaned after each us...

Page 10: ...ion cup with a small amount of water is recommended Long term Storage Method 1 Submerge the sensing end of the sensor in a container of distilled or deionized water Periodically check the level of the...

Page 11: ...it with your fingers and rolling it up Do not use any tools to remove the o ring Clean the area of any debris with a lens cleaning tissue 3 Install the new o ring that is included with the replacemen...

Page 12: ...o feach cap coefficient K1 through KC can be written with the appropriate Modbus command see Modbus Configuration and Commands for more details If errors are made in entering the Sensor Cap Coefficie...

Page 13: ...unction code 0x06 of address 0x0000 Addresses in range of 1 to 247 are supported Devices will allow broadcast write access using address 0x255 The default address is 0x01 The slave address can also be...

Page 14: ...06 Register Address 2 bytes 0x0001 Register Value 2 bytes 0x0200 Request Function Code 1 byte 0x03 Register Address 2 bytes 0x0001 Register Value 2 bytes 0x0001 Response Function Code 1 byte 0x06 Regi...

Page 15: ...el 1 0 R U16 0x0001 CT 0x0002 T 0x1003 Firmware Major Revision 1 0 R U16 N A 0x1004 Firmware Minor Revision 1 0 R U16 N A 0x1005 Firmware Subminor Revision 1 0 R U16 N A 0x1006 Hardware Major Revision...

Page 16: ...000 ODO Saturation 3 0 R Float 0x0001 0x0002 ODO mg L 3 0 R Float 0x0003 0x0004 ODO Local Barometer Compensated 3 0 R Float 0x0005 0x0006 Temperature C 3 0 R Float 0x0007 0x0008 Reference Temperature...

Page 17: ...Count 1 byte 0x40 Register Values 64 bytes ODO Saturation 3 0 ODO mg L 3 0 ODO Local Barometer Compensated 3 0 Temperature C 3 0 Ref Temperature C 3 0 Time Since Boot ms 3 0 Conductivity us cm 3 0 Sp...

Page 18: ...es properly calibrated The last time must be maintained during calibrations by the user These registers do not support writes as the time is written in each calibration command This is only intended t...

Page 19: ...ntly be read to verify This calibration is done in 100 saturated water Barometric pressure is required to perform the calibration Request Function Code 1 byte 0x10 Register Address 2 bytes 0x0220 Numb...

Page 20: ...with the internal salinity calculation The user may just set this value to zero Request Function Code 1 byte 0x10 Register Address 2 bytes 0x0240 Number Registers 2 bytes 0x0006 Byte Count 1 byte 0x0C...

Page 21: ...0 RW U32 N A 0x0105 0x0106 ODO Cap Coefficient K4 3 0 RW U32 N A 0x0107 0x0108 ODO Cap Coefficient K5 3 0 RW U32 N A 0x0109 0x010A ODO Cap Coefficient K6 3 0 RW U32 N A 0x010B 0x010C ODO Cap Coeffici...

Page 22: ...acter ASCII string with a NULL character padding as the unused last byte returned Address Description R W Type Default 0x0120 ODO Cap Serial Number 0 8 pad R ASCII N A 0x0121 0x0122 0x0123 0x0124 Requ...

Page 23: ...e is a 32 bit two register value and is recommended to be set as epoch time The last calibration time and QC score are available as read only using a read holding registers command function code 0x03...

Page 24: ...R W Type Default 0x0320 Conductivity us cm Calibration Time s 3 0 W U32 N A 0x0321 0x0322 Conductivity us cm Calibration Value 3 0 W Float N A 0x0323 Address Description R W Type Default 0x0330 Salin...

Page 25: ...W U32 N A 0x0351 0x0352 nLF Conductivity us cm Calibration Value 3 0 W Float N A 0x0353 Request Function Code 1 byte 0x10 Register Address 2 bytes 0x0340 Number Registers 2 bytes 0x0004 Byte Count 1 b...

Page 26: ...sure In ODO CT probes water pressure is required for salinity calculations The water pressure value is set by writing an entire block of values non divisible using a write multiple registers command f...

Page 27: ...can be broadcast to all devices on the network and updated periodically The default is 760 0 or the last calibration value given if available Address Description R W Type Default 0x0404 User Barometr...

Page 28: ...can be modified by the user The value is set by writing an entire block of values non divisible using a write multiple registers command function code 0x10 This information can be broadcast to all dev...

Page 29: ...e 0x10 This information can be broadcast to all devices on the network The default value is 0 0191 and is saved over power cycles Valid values range from 0 to 0 04 Request Function Code 1 byte 0x10 Re...

Page 30: ...loat 0x0009 0x000A Time Since Boot ms 3 0 R U32 0x000B 0x000C Conductivity us cm 3 0 R Float 0x000D 0x000E Specific Conductivity us cm 3 0 R Float 0x000F 0x0010 Salinity ppt 3 0 R Float 0x0011 0x0012...

Page 31: ...nt K6 3 0 RW U32 N A 0x010B 0x010C ODO Cap Coefficient K7 3 0 RW U32 N A 0x010D 0x010E ODO Cap Coefficient KC 3 0 RW U16 N A 0x010F ODO Cap Replacement Time s 3 0 RW U32 N A 0x0110 0x0210 ODO Last Cal...

Page 32: ...3 0 W U32 N A 0x0331 0x0332 Salinity ppt Calibration Value 3 0 W Float N A 0x0333 0x0340 Specific Conductivity us cm Calibration Time s 3 0 W U32 N A 0x0341 0x0342 Specific Conductivity us cm Calibra...

Page 33: ...x0001 0x1002 Submodel 1 0 R U16 0x0001 CT 0x0002 T 0x1003 Firmware Major Revision 1 0 R U16 N A 0x1004 Firmware Minor Revision 1 0 R U16 N A 0x1005 Firmware Subminor Revision 1 0 R U16 N A 0x1006 Hard...

Page 34: ...00 Slave Address RW U16 0x0001 0x0200 Factory Reset ODO Calibration 0x0001 Reset W U16 N A 0x0300 Factory Reset Conductivity Calibration 0x0001 Reset W U16 N A 0x0001 Serial Configuration 1 Parity 0x0...

Page 35: ...YSI Incorporated 1725 Brannum Lane Yellow Springs OH 45387 USA Web Visit YSI com to order replacement parts accessories and calibration stolutions When placing an order please have the following avai...

Page 36: ...cessories YSI Item Description Replacement ODO Sensor Caps 627180 Replacement ODO Extended Warranty Sensor Cap only compatible with ODO T and ODO CT probe assemblies Calibration Standards 065270 Condu...

Page 37: ...37 767 7241 When returning a product for service include the Product Return form with cleaning certification The form must be completely filled out for a YSI Service Center to accept the instrument fo...

Page 38: ...rmonized Standards EN61326 1 2013 IEC 61326 1 2012 IEC 61000 3 2 2005 A1 2008 A2 2009 IEC 61000 3 3 2008 Supplementary Information All performance met the operation criteria as follows 1 ESD IEC 61000...

Page 39: ...tal Sampling System Instrument Model Numbers Instrument Accessory ODO RTU 627350 ODO RTU with Conductivity 627370 Probe Cable Assemblies 627350 1 627350 4 627350 10 627350 20 627350 30 627350 50 62735...

Page 40: ...local YSI representative or contact YSI Customer Service in Yellow Springs Ohio at 1 937 767 7241 800 897 4151 or visit www YSI com Support tab for a Product Return Form Send the product and proof of...

Page 41: ...21 922 06 90 26 93 684 0 91 19 911 93 89 26 63 676 4 90 18 901 79 88 26 33 668 8 89 17 891 66 87 26 03 661 2 88 15 881 53 86 25 73 653 6 87 14 871 40 85 25 43 646 0 86 13 861 26 84 25 13 638 4 85 11...

Page 42: ...11 44 10 78 10 16 9 58 9 02 8 0 11 84 11 17 10 53 9 93 9 36 8 83 9 0 11 56 10 91 10 29 9 71 9 16 8 64 10 0 11 29 10 66 10 06 9 49 8 96 8 45 11 0 11 03 10 42 9 84 9 29 8 77 8 28 12 0 10 78 10 18 9 62...

Page 43: ...6 42 6 11 5 82 5 55 35 0 6 95 6 62 6 31 6 02 5 73 5 46 36 0 6 84 6 52 6 22 5 93 5 65 5 38 37 0 6 73 6 42 6 12 5 84 5 56 5 31 38 0 6 62 6 32 6 03 5 75 5 48 5 23 39 0 6 52 6 22 5 98 5 66 5 40 5 15 40 0...

Page 44: ...central to our work Our products and services move treat analyze monitor and return water to the environment in public utility industrial residential and commercial building services settings Xylem a...

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