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USER MANUAL
STM 550X / EMSIX
–
ENOCEAN MULTI-SENSOR
© 2020 EnOcean | www.enocean.com F-710-017, V1.0
STM 550x / EMSIx User Manual | v1.0 | February 2020 | Page 7/79
1.2
Product variants
EMSIx is a finished product combining STM 550x with a wall mount, a design frame, a magnet
(for magnet sensor functionality) and an adhesive mounting tape into a ready to use product.
STM 550x is the functional module within EMSIx using the PTM 21x form factor intended to
be integrated into an OEM housing (e.g. a switch frame). STM 550x and EMSIx are shown in
Figure 1 below.
Figure 1
–
STM 550x and EMSIx
1.3
Technical data
Antenna
Integrated helix antenna
Transmission frequency / power
STM 550 / EMSIA: 868.300 MHz / +5 dBm
STM 550U / EMSIU: 902.875 MHz / + 99 dBµV
STM 550J / EMSIJ: 928.350 MHz / 0 dBm
Transmission data rate
125 kbit / s
Communication range (for guidance only)
200 m free field
30 m indoor environment
Temperature measurement range / accuracy
-
20 °C … +60 °C / +
- 0.3 K
(1)
Humidity measurement range / accuracy
0 … 100 % r.h. / +
- 3% r.h.
(1)
Illumination measurement range / accuracy
0 … 65000
lux / +-10 %
Acceleration measurement range / accuracy
+- 2 g / +-0.03 g
Acceleration threshold for immediate report
0.03 g (default, configurable via NFC)
Update rate (excl. random offset)
Every 60 seconds (configurable via NFC)
Device configuration
LRN button and NFC interface
Supported EEP (selectable via NFC)
D2-14-41 (default)
D2-14-40, A5-02-05, A5-04-01, A5-04-03
A5-06-02, A5-06-03, A5-14-05, D5-00-01
Power supply
Integrated solar cell
Operating time in darkness
4 days (after full charge)
Backup power supply (optional)
CR1632
Dimensions (STM 550x Module)
40 mm x 40 mm x 13 mm
Dimensions (EMSIx Finished product)
49 mm x 49 mm x 13 mm
Note 1: STM 550x / EMSIx is designed for indoor use only and should only be used in the environmental
conditions specified below