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 10/79
Figure 3 below shows the external interfaces on the back side of the STM 550x module within
EMSIx. The orientation indicator points towards the side where the magnet contact is located.
Figure 3
–
STM 550x product interface (back side)
2.2.1
LRN button and LED
Most STM 550x device parameters can be configured using the NFC interface as described in
chapter 8. Some of the most common parameters or states can additionally be configured
using the LRN button.
Table 1 below lists those LRN button actions with the corresponding STM 550x response and
LED feedback.
Type
LRN Button Action
STM 550x Response
LED Feedback
Single
Short
Press LRN button once
(< 1s)
Exit from Sleep Mode
Send Learn Telegram
1 short blink
Double
Short
Press LRN button
twice within 1s
Start Function Test
(End after 2 min or upon
any button press)
Transmit sensor status
with highest possible update
rate
Triple
Short
Press
LRN
button
three times within 2s
Toggle LED indication
LED enabled: 2 short blinks
LED disabled: No feedback
Single
Long
Press LRN button once
for 3s
…
5s
Enter Sleep Mode
(Disable LED and Radio)
Error: No feedback
Success: 3 short blinks
Double
Long
Press LRN button
twice for 3s … 5s
Enter High Security Mode
(Encrypt and authenticate)
Error: No feedback
Success: 3 short blinks
Very
Long
Press LRN button for >
8s
Factory Reset
Error: No feedback
Success: 5 short blinks
Table 1
–
STM 550x user interface actions
