5.4.8 VGET

Syntax

<address>VGET:<var_index><CR>

Description

Returns value of an internal configuration variable (VAR.)

Data Parameters Sent

var_index is index number for internal VAR as follows:

Var

Name

Description

 

Allowable Range

Index

 

 

 

 

0

analog_range

Full-Scale concentration

5.0 – 400.0 (Units are

 

 

range for Analog Output

current unit of measure,

 

 

scaling

wt% or g/Nm3)

1

azero_enable

Auto-Zero Enable VAR.

0

= Off

 

 

(only valid if Auto-Zero

1

= On

 

 

hardware is installed)

 

 

2

azero_period

Period for Auto-Zero

5.0 - 86400.0 Seconds

 

 

Calibration timer

 

 

3

carrier_weight

Mol weight of carrier gas

27.0 – 32.0 mol weight

 

 

for wt% calculations (32.0

 

 

 

 

= O2)

 

 

4

comm_mode

Not Used

N/A

5

iir_filt

Digital Concentration

0.05 – 1.0

 

 

filter

(1.0 = No Filtering, lower

 

 

 

values increases filtering)

6

conc_units

O3 Concentration

0

= wt%

 

 

measurement units

1

= g/Nm3

Response

<address>:<var_value>#<checksum><CR>

Example

Command:

1VGET:0<CR> - Request analog_range value

Response:

1:15.0#303 - analog_range returned as 15.0 (wt%)

P/N 03662D Teledyne API Model 460H O3 Monitor Operator Manual - Page 30

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Teledyne 460H Vget, Allowable Range, Index, addressvarvalue#checksumCR, Syntax, Description, Data Parameters Sent, Name