HERMOS LFM LP Reader - Power Supply M12-A Connector; Tuning and Test Push Buttons

Protocol description ASCII, SECS/HSMS
Customer manual
Version 1.2
LFM LP Reader 15.01.2019
Page 27 of 119
HERMOS AG
Gartenstrasse 19 Tel. +49(9279) 991-0
D-95490 Mistelgau Fax. +49(9279) 991-100
7.5.3 Connecting the antenna
Connect the antenna at the antenna connection at the rear of the reading unit.
Use the antennas and antenna cable from the manufacturer to ensure
optimum reading and writing ranges.
Tune antenna after a new antenna installation!
The tuning function can be started with the tuning button.
Power Supply M12-A connector
The device can be connected to the system's internal power supply or an external power supply.
If the device is connected to the power supply, the Status LED lights green (->parameter 35).
7.6.1 Tuning push button
If the pushbutton is held down for a defined time (->parameter 54+55), the status of the pushbutton is
changed and an automatic antenna tuning is initiated when enabled (->parameter 33 and 36).
If the Reader is in test mode, the test mode for the automatic antenna tuning is briefly interrupted when
enabled (->parameter 33).
PIN
Signal
1
+24V DC
2
0 V
3,4,5
NC
There are risks if the device is supplied with the incorrect voltage.
Only use cables, plugs and adapters from the manufacturer.
Observe power ratings provided in the technical data.