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Digital Interfaces
optoNCDT 2300
Exposure time
The exposure time is transmitted with each displacement value.
Bit 31 ... 17 16 ... 0
Reserved
Exposure time, step size 12.5 ns
Value range: 12.5 ns ... 1.3107 ms
If the exposure time is transmitted via the RS422, only bit 0 ... 16 is transmitted.
Measured value counter
The measured value counter allows the assignment of the video signal.
Bit 31 ... 24 23 ... 0
In case of the measured value counter is transmitted via the RS422, only bit
0 ... 17 is transmitted; so the counter is limited to 262143 values. Then the mea-
sured value counter starts again with 0.
Reserved Counter
Time stamp
Transmission of the time stamp as a 32 bit value. The resolution is 1 µs.
Bit 31 ... 0
In case of the time stamp is transmitted via the RS422, only bit 8 ... 25 are transmitted.
The resolution is then 0.25 ms.
Time stamp
Temperature
10-bit integer with the correct sign extended to 32 bits, resolution 0.25 ° C.
Temperature DB9 . . . DB0
–128 °C 10 0000 0000 –50 °C 11 0011 1000 +0.25 °C 00 0000 0001 +75 °C 01 0010 1100
–125 °C 10 0000 1100 –25 °C 11 1001 1100 +10 °C 00 0010 1000 +100 °C 01 1001 0000
–100 °C 10 0111 0000 –0.25 °C 11 1111 1111 +25 °C 00 0110 0100 +125 °C 01 1111 0100
–75 °C 10 1101 0100 0 °C 00 0000 0000 +50 °C 00 1100 1000 +127 °C 01 1111 1100
The temperature range is limited to -55 ° ... +127 °C. The operating temperature of the sensor is 0 ... +50 °C.
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