Sutron 8800-1205 Operation & Maintenance Manual Download Page 17 | Manualshive

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Sutron

Corporation

SDI

‐

TB

Users

Manual

Rev.

1.1

5/24/2018

pg.

17

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Summary of Contents for 8800-1205

Page 1: ...SDI TB SDI 12 Tipping Bucket Interface with Smart Compensation Operations Maintenance Manual Part No 8800 1205 Revision 1 1 25 May 2018...

Page 2: ...Quick Start 3 2 1 Unpacking 3 2 2 Operation 4 2 3 Connections 7 2 4 Sensor Configuration 7 3 Command Reference 8 3 1 Standard SDI 12 commands 8 3 2 Extended SDI 12 commands 11 Appendix A Specificatio...

Page 3: ...et The SDI TB sensor has a backup power source that permits un interrupted operation for up to 10 hours in case SDI 12 power is lost 2 Quick Start 2 1 Unpacking Remove SDI TB sensor from the shipping...

Page 4: ...ly has been configured A user programmable debouncing duration can be configured to filter out noise during the voltage transitions as the switch makes breaks contact The SDI TB uses a configurable Bu...

Page 5: ...et size is used The SDI TB has an internal Real Time Clock RTC that is used to keep time and can be programmed to perform daily and annual rainfall resets The SDI TB has a built in rechargeable backup...

Page 6: ...c_last raw_ tip_year acc_year acc_daily acc_yest acc_last total accumulations since the last M command was issued Every time an M command is issued this parameter will be reset raw_ tip_year The SDI T...

Page 7: ...the address if needed The SDI TB has a default debouncing of 15ms If the bucket has a switch close time other than 15ms the appropriate debounce duration can be set using the XDBNC command If the tip...

Page 8: ...se Notes Query SDI Address A where a address Only one SDI 12 device should be connected to the bus since all will respond Acknowledge Active a A I Send Identification aI For a master the expected resp...

Page 9: ...mulation this year acc_daily Total accumulation today acc_yest Total accumulation Yesterday Ex 0 0 01 12 0 12 0 03 0 02 Returns the current accumulation values and resets the accumulated rainfall sinc...

Page 10: ...Sutron Corporation SDI TB Users Manual Rev 1 1 5 24 2018 pg 10...

Page 11: ...the XDT command is issued without any arguments eg aXDT the current time is returned without modifying the existing time Default 2012 01 01 00 00 0 hrs XDR Read Write daily rainfall reset time aXDR or...

Page 12: ...he compensation coefficients XCOMP are not provided then each tip is equal to bucket size If coefficients are provided then a 3rd order polynomial is used to convert tips into rainfall Default value 0...

Page 13: ...milliseconds This is used to filter out noisy tipping bucket outputs so that the switching noise is not counted as a tip The TB IN input must be held in the active state for atleast debounce_duration...

Page 14: ...e SDI TB implements a 3rd order polynomial to compensate for heavy rainfall rates If no coefficients are provided each tip bucket_size The polynomial is of the form Where inches of rain per hour XYA R...

Page 15: ...tor 5 pin screw less connector POWER Input Voltage DC 4v 20v Initial capacitor discharged Power up delay 2 minutes Internal backup power run time 10 hours Internal backup power charge time 18 hours In...

Page 16: ...estion on an interface we will work with you until we find a solution Sometimes a problem is application related Although we pride ourselves on handling 95 of application related questions over the ph...

Page 17: ...Sutron Corporation SDI TB Users Manual Rev 1 1 5 24 2018 pg 17...

Page 18: ...itions Sutron requires the return of the defective electronic products or parts to the factory to establish claim under this Warranty The customer shall pre pay transportation charges to the factory S...

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