LTI TruSense S300 Series Integration Manual 3nd Edition
Page 19
Copyright © [2016] Laser Technology, Inc. All Rights Reserved. Unauthorized duplication, in whole or in part, is strictly prohibited.
Set:
$FT,
<value for 4mA>,<value for 20mA>,<update period>, <error handling>,
<number of measurements>
<CR><LF>
Instrument Reply:
$FT,
<value for 4mA>,<value for 20mA>,<update period>, <error
handling>,
<number of measurements>,[n,n,n,n]
<CR><LF>
Get:
$FT<CR><LF>
Instrument Reply:
$FT,
<value for 4mA>,<value for 20mA>,<update period>, <error
handling>,
<number of measurements>,[n,n,n,n]
<CR><LF>
where:
$
= message identifier
FT
= mnemonic for
Current Loop Setting
Value for4 mA
= 4mA Boundary in
$MU Units
Value for20 mA
=20mA Boundary in
$MU Units
Update period
= always 0
Use $OS command 4
th
parameter.
Error handling
=0
distance is out of bounds, set current loop to 24mA
and sensor measurement error set current loop to
24mA.
=1
distance is out of bounds, set current loop to 3.5mA
and sensor measurement error, set current loop to
3.5mA.
=239
distance is out of bounds, keep the previous value
and sensor measurement error, set current loop to
3.5mA.
=240
distance is out of bounds 4mA, set 3.5mA. If it is out
of 20mA, set 24mA and sensor measurement error
set current loop to 3.5mA.
Number of
measurements
= Always 1
Used the $OS command fourth parameter.
[n,n,n,n]
=Not used
This functionality is not used in Liquid Measurement
mode.
*CRC16
= 16-bit CRC
<CR>
= carriage return
<LF>
= line feed
Example:
Input: Get
$FT<CR><LF>
Reply:
$FT,3.080,0.080,0.0,1,1,[0,3,4,5]*194A<CR><LF>
Input: Set
$$FT,3.080,0.080,0.0,1,1<CR><LF>
Reply:
$FT,3.080,0.080,0.0,1,1,[0,3,4,5]*194A <CR><LF>
$GO
Start Distance Measurement
This command starts the sensor measuring.
Note:
This command functions the same as using the trigger input connection based on the Ext-Trig
($TG,2 or 3) setting (Active high/Active low). This trigger input connection is only available in the
TruSense S300 and S310.
