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USER MANUAL
STM 550 / EMSI
–
ENOCEAN MULTISENSOR FOR IOT APPLICATIONS
© 2020 EnOcean | www.enocean.com F-710-017, V1.0
STM 550 / EMSI User Manual | v1.3 | September 2020 | Page 65/97
9.5.17
SOLAR_THRESHOLD
If reduction of the reporting interval based on the solar cell light level has been enabled
then the light level threshold is defined by SOLAR_THREHOLD register as shown in Figure
44 below.
SOLAR_THRESHOLD
Bit 15
Bit 14
…
Bit 1
Bit 0
SOLAR CELL THRESHOLD
Figure 44
–
SOLAR_THRESHOLD register
The encoding used by the SOLAR CELL THRESHOLD bit field is shown in Table 29 below.
SOLAR CELL THRESHOLD
Threshold
0x0000
0 lux (minimum setting)
…
…
0x00C8 (Default)
200 lux seconds (default setting)
…
…
0xFFFF
65535 lux (maximum setting)
Table 29
–
SOLAR CELL THRESHOLD bit field encoding
The default setting for the solar cell threshold is 200 lux which corresponds to good availa-
bility of ambient light for harvesting.