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 30 of 41
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Appendix C.2.2. Commands for controlling operating mode
Request syntax
USER
mode
OEM
mode
Response description
Command description
OEM XXXX
yes
no
Response contains of word
“OEM” or, if the password is
incorrect, word “USER” in
ASCII format and “0D” symbol.
Switches commands level from
“USER” to “OEM”;
XXXX
stands for current password.
Default password is 0000.
PASS?
no
yes
Response contains of 4 bytes
in ASCII format and “0D” sym-
bol.
Returns current password for
switching commands level from
“USER” to “OEM”.
PASS XXXX YYYY
no
yes
PASS XXXX YYYY OK
or
PASS XXXX YYYY FAULT
Intended for changing current
password for switching com-
mands level from “USER” to
“OEM”.
XXXX
stands for old
password and
YYYY
stands for
new
one.
New
password
should contain only digits 0…9
in ASCII format.
UART?
yes
yes
USER
or
OEM
Returns active access level.
USER
no
yes
Response contains of word
“USER” in ASCII format and
“0D” symbol.
Switches commands level from
“OEM” to “USER”.
Appendix C.2.3. Commands for requesting factory settings and properties
Request
syntax
USER
mode
OEM
mode
Response description
Command description
ID?
yes
yes
Contains the summary info in
ASCII format about sensor type, its
serial number, characteristics and
firmware version.
Returns sensor ID.
RT?
yes
yes
5 bytes in ASCII format and “0D”
symbol (the codes list is available
upon query).
Returns sensor type.
RX?
yes
yes
2 bytes in ASCII format and “0D”
symbol. See Table 5 for details.
Returns
sensor
characteristics
(temperature
class,
calibration
range and accuracy).
SRAL?
yes
yes
8 bytes in ASCII
format and “0D”
symbol.
Returns sensor serial number
(SN).
SREV?
yes
yes
Sensor firmware version.
Returns the firmware version.