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H-3531 – Xylem H-3531 FlashLite User Manual

Page 53

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H-3531

SDI-12 Command and Response Protocol 5-15

5.14 Extended Read/Write 0-5V Output Enable
The H-3531 FlashLite™ scales the current Stage data to drive the 0-5V analog output. This
extended command is for reading/writing the 0-5V output enable. When the enable value is set to
a ‘1' then the 0-5V analog output is enabled and when it is set to a ‘0' then the 0-5V analog output
is disabled.

Command

Response

Description

“aXRVE!”

“a0011

Read 0-5V enable

“aXWVEd!” “a0021

Write 0-5V enable

Where:

a

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

XRVE

are upper case characters.

XWVE

are upper case characters.

d

is the new enable value(0/1)

Example of a H-3531 Extended "Read 0-5V Enable" command:
Command

Response

Time Values

Description

"aXRVE!"

"a0011"

1 sec

1

Read 0-5V Enable

Command

Response

Description

"aD0!"

"a+0"

0-5V out disabled

Example of a H-3531 Extended "Write 0-5V Enable" command:
Command

Response

Time Values

Description

"aXWVE1!"

"a0021"

2 sec

1

Enable 0-5V out

Command

Response

Description

"aD0!"

"a+1"

0-5V out enabled