beautypg.com

H-3531 – Xylem H-3531 FlashLite User Manual

Page 51

background image

H-3531

SDI-12 Command and Response Protocol 5-13

5.12 Extended Read/Write Stage Digits
This is for reading or writing the stage digits to the right of the decimal point. The stage digits by
default is set to 2.

Command

Response

Description

“aXRSD!”

“a0011

Read Stage Digits

“aXWSDd!” “a0021

Write Stage Digits

Where:

a

is the sensor address ("0-9", "A-Z", "a-z", "*", "?").

XRSD

are upper case characters.

XWSD

are upper case characters.

d

is the new enable value(0-9)

Example of a H-3531 Extended "Read Stage Digits" command:
Command

Response

Time Values

Description

"aXRSD!"

"a0011"

1 sec

1

Read Stage Digits

Command

Response

Description

"aD0!"

"a+2"

Stage digits = 2

Example of a H-3531 Extended "Write Stage Digits" command:
Command

Response

Time Values

Description

"aXWSD3!"

"a0021"

2 sec

1

Set Stage digits to 3

Command

Response

Description

"aD0!"

"a+3"

Stage digits = 3