A.5.1 special – x commands – Campbell Scientific CS700 Tipping Bucket Rain Gage and CS700H Heated Rain Gage User Manual

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Appendix A. CS700H Operation

Notes:

(1) Identification has the following syntax:

a12HydrServTBHeat4.112345<CR><LF>
-- ------------ --------- --- ------
| | | | | |
| | | | | ----- 5 digit Sensor ID (eg 12345)(as set in aX4 command)
| | | | ----------- S/W Revision (eg 4.1)
| | | ----------------- Manufacturer’s Model Name (TBHeat)
| | ----------------------------- Manufacturer’s ID (HydrServ)
| ------------------------------------- SDI-12 Version V1.2 Compliant
--------------------------------------- Unit Address


(2) The measurement command “M” and the concurrent command “C” will both return a time “ttt” of 000
indicating that the measurement will be ready in 0 seconds (immediately).

(3) With the initiate verification command (aV!), the CS700H returns a0001<CR><LF> indicating that there
is 1 measurement available and it will be ready in 0 seconds. When the Data command aD0! is issued the
CS700H will reply with:

a+0<CR><LF>


(4) Data Command Reply has the following syntax

0-06.5+33.3+0+1+1+0+0+0+05<CR><LF>
-- ---- ------ -- -- -- -- -- -- --
| | | | | | | | | |
| | | | | | | | | ------------- Heater Cycle Time Left
| | | | | | | | |

(5 mins in this example) (only in Automatic Control mode)

| | | | | | | | ---------------- Cycle 0=> Disabled : 1=> Enabled (only in Manual Control)
| | | | | | | |

(Only in S/W Rev 4.1 and above See X29 Command)

| | | | | | | -------------------- Control 0=> Automatic : 1=> Manual (See X20 Command)
| | | | | | ------------------------ Heater Elements 0=> Power Off : 1=> Power On
| | | | | --------------------------- Snow Sensor 0=> Disabled : 1=> Enabled (See X22 Command)
| | | | ----------------------------- Snow 0=>No Snow : 1=> Snow Detected
| | | --------------------------------- Units 0=> °C : 1=> °F (See X28 Command)
| | ------------------------------------- Block Temperature +33.3°C
| -------------------------------------------- Ambient Temperature –6.5°C
------------------------------------------------- Unit Address (0 in this example)

A.5.1 Special – X Commands

The SDI-12 X commands allow device specific data to be read and set. The
following commands are unique to the CS700H.

In the following commands “a” is the address of the CS700H –
set to “0” at the factory

NOTE

A-7

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