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Serial Interface RS422
optoNCDT 22xx
Format:
Response:
31
24 23
16 15
8 7
0
hex
31
24 23
16 15
8 7
0
hex
“+“
“+“
“+“
0x0D
0x2B2B2B0D
“I“
“L“
“D“
“1“
0x494C4431
“I“
“L“
“D“
“1“
0x494C4431
0xA0
0x7d
0x00
0x02
0xA07D0002
0x20
0x7d
0x00
0x03
0x207D0003
0x20
0x20
0x0D
0x0A
0x20200D0A
0x00
0x00
0x00
0x0X
0x0000000X
Value for X (0, 1, 2)
Reset Command
7.8
Name
RESET
Description:
The sensor makes a software reset. The standard settings for averaging and zero are
used. The response is sent before the reset is done.
Format:
Response:
31
24 23
16 15
8 7
0
hex
31
24 23
16 15
8 7
0
hex
“+“
“+“
“+“
0x0D
0x2B2B2B0D
“I“
“L“
“D“
“1“
0x494C4431
“I“
“L“
“D“
“1“
0x494C4431
0xA0
0xF0
0x00
0x02
0xA0F00002
0x20
0xF0
0x00
0x02
0x20F00002
0x20
0x20
0x0D
0x0A
0x20200D0A
Start Command
7.9
Name
START
Description:
Output of data via serial output is started.
Format:
Response:
31
24 23
16 15
8 7
0
hex
31
24 23
16 15
8 7
0
hex
“+“
“+“
“+“
0x0D
0x2B2B2B0D
“I“
“L“
“D“
“1“
0x494C4431
“I“
“L“
“D“
“1“
0x494C4431
0xA0
0x77
0x00
0x02
0xA0770002
0x20
0x77
0x00
0x02
0x20770002
0x20
0x20
0x0D
0x0A
0x20200D0A
Note:
When switching the sensor on Stop (data output) is on. The „stop“ command is transient and will
be lost when switching off the power supply or when sending the reset command.