LTI TruSense S300 Series Integration Manual 3nd Edition
Page 18
Copyright © [2016] Laser Technology, Inc. All Rights Reserved. Unauthorized duplication, in whole or in part, is strictly prohibited.
The measurement output represents the distance to the strongest valid target the unit identifies.
Last Target
The measurement output represents the distance to the last valid target the unit identifies. If
only one target is found, it will report this target. This is useful when installed in a stilling well
or close to a side wall of containment vessel.
Set:
$DM,
n
<CR><LF>
Instrument Reply:
$DM,
n
*CRC16
<CR><LF>
Get:
$DM<CR><LF>
Instrument Reply:
$DM,
n
*CRC16
<CR><LF>
where:
$
= message identifier
DM
= mnemonic for Display Mode
n
= target mode
5
= First Target
6
= Strongest Target
7
= Last Target
*CRC16
= 16-bit CRC
<CR>
= carriage return
<LF>
= line feed
Example:
Input:Get
$DM<CR><LF>
Reply:
$DM,5*3058<CR><LF>
Input:Set
$DM,6<CR><LF>
Reply:
$DM,6*3118<CR><LF>
$DT
Display Time
When in $MM,4 (Liquid Measurement mode) the time stamp counts from 0 to 9.999 seconds before
rolling back to zero.
Set:
$DT,
n
<CR><LF>
Instrument Reply:
$DM,
n
*CRC16
<CR><LF>
Get:
$DT<CR><LF>
Instrument Reply:
$DM,
n
*CRC16
<CR><LF>
where:
$
= message identifier
DT
= mnemonic for Display Mode
N
= Display Time
0
= Do not Display Time
1
= Display Time
*CRC16
= 16-bit CRC
<CR>
= carriage return
<LF>
= line feed
Example:
Input: Get
$DT<CR><LF>
Reply: if off
$DT,0*F449<CR><LF>
Reply: if on
$DT,2*35C8<CR><LF>
Input: Set
$DT,0<CR><LF>
Reply:
DT,0*F449<CR><LF>
Input: Set
$DT,1<CR><LF>
Reply:
$DT,2*35C8<CR><LF>
$FT 4-20
Current Loop Setting
This command is to set all functionality of the 4-20mA current loop.