Mipex MIPEX-04, User Manual, Page: 33 / 41

Optosense LLC USER MANUAL
Design department MIPEX-04 ULTRA-LOW POWER INFRARED GAS SENSOR
ESAT.100000.00.02 UM Revision 02 December 12th, 2016 Page 33 of 41
THE SOLE PROPERTY OF OPTOSENSE LLC. ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED.
Request syntax
USER
mode
OEM
mode
Response description Command description
USERDATA?
yes yes
Contains 59 bytes of
information and
“0D”
symbol.
Returns all the ten
numbers contained in
user section of sensor
memory separated from
each other with “0D”
symbol.
USERDATAXX?
yes yes
Contains 5 bytes of
information and
“0D”
symbol
Returns a number
contained in cell XX
(00…09)
of sensor
memory user section.
USERDATAXX YYYYY no yes USERDATAXX YYYYY OK
Writes a number YYYYY
(00000…99999) to cell
XX (00...09) of sensor
memory user section.
Table 12. Status word displaying in concentration field while "INDSIG" mode is active
Concentration
value in ASCII
format
Concentration
value in hex
format
Status word
compliance
(see Table 16)
Description Recommendations
-0001 8001 10
Sensor is warming up.
After power up, meas-
ured
concentration
value is displayed after
40 s, but sensor metro-
logical properties are
provided only after 120
s.
Do not perform span
calibration.
-0002 8002 31
Zero shifts to nega-
tive value.
Possibility of condensed
moisture
on optical
elements. Dry sensor.
After drying, if this status
lasts longer than for 20
minutes
at stable
conditions, perform
zeroing (see Appendix
D.1
for procedure
description).
-0003 8003 24
Dynamic temperature
mode; zero shifts to
negative value.
Do not perform span
calibration or zeroing.