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The BT light module at a glance:

For controlling lights, servos and motors at semitrailers and trailers Expansion module for SFR-1, USM-RC-2 and USM-RC-3 Supply voltage between 6 - 12 V 1:1 transmission of signals via Bluetooth 16 switching outputs for lights including special light effects 4 servo outputs 1 motor output Additional settings with the software LM-Teacher Expansion for road trains possible Small size: 58 x 44 x 17 mm

Description

The Bluetooth light module LM-BT-16-4 is an expansion for the modules:

Sound speed controller SFR-1 Sound module USM-RC-2 Sound module USM-RC-3

The light module can be used to control lights, servos and motors on a semitrailer or trailer. The signals are transmitted wirelessly via Bluetooth.

Light control
The LM-BT-16-4 has 16 switching outputs for connecting lights (e.g. lamps and LEDs). The light signals are passed on 1:1 from the main module to the light module. For the switching outputs 13 - 16 special functions such as a 1- and 4-channel all-round light, a 4-channel running light and different flashing effects can be selected.

Motor control
The motor output can be used for direct control of e.g. trailer supports, ramps or tipping movements. A switch for controlling the motor output manually can be connected to the module.

Servo control
There are 4 servo outputs on the light module, which can be used to control various movements. Applications for this are e.g. trailer supports, the locking and unlocking of a fifth wheel support, steerable axles or tilting movements. In order to control further motors, speed controllers can also be connected to the servo outputs.

Road train
With the Bluetooth transmitter LM-BT-S an additional light module can be connected. All Bluetooth signals are transmitted 1:1 to the next light module.

Using the function at the main module („LM: Activate road train ID X“), the servo and motor outputs can be controlled separately at each light module. This is how road trains with several trailers can be easily built. The trailers can be controlled together or separetely.

Additional settings with LM-Teacher
When delivered, the light module is ready for operation. With the software LM-Teacher, settings can be adjusted and additional options selected. For using the software, the light module is connected to a Windows PC with the data cable K-USB-2.

The LM-Teacher can be downloaded here for free: Download (4 MB)

For using the light module, at least version V1.30 of the SFR-1 Sound-Teacher, version V1.80 of the USM-RC-2 Sound-Teacher and version V1.00 of the USM-RC-3 Sound-Teacher are required.

For additional information: Operating manual (PDF).

Second place at the survey TRUCKMODELL-STAR 2022 regarding the best technical accessories in the magazine TRUCKmodell.

Optional light module supplies

Image	Name	Function
	LM-SW: Switch for manual motor control	To pin X5/6 a switch can be connected to control the motor manually without the radio. The speed of the motor can be set in the LM-Teacher.
	LM-MS: Magnetic sensor with magnet	Using the Bluetooth technology, the transmitter and receiver do not need visual contact with a range of several meters. Subsequently, even after decoupling, the outputs are still controlled and switched on. Using a magnetic sensor this drawback can be solved. In this case the Bluetooth connection is only built up, when a magnet is near the sensor. The magnetic sensor must be activated in the LM-Teacher. At a semitrailer the magnet is fixed below the fifth wheel.
	KB-BT-T: King pin with holding block for the magnetic sensor for Tamiya trucks	For an easy fixing of the sensor we offer a mouting for the magnetic sensor with a special 3D-print block. The sensor can be plugged into the block, which is srewed on top of the king pin. Attention: The king pin must be made of a material that conducts the magnetic field lines well! King pins made of stainless steel or aluminum are not suitable here.
	LM-BT-S: Bluetooth transmitter module	This can be used to equip other towing vehicles to control the LM-BT-16-4. One LM-BT-S is already included in delivery!

Video-Tutorials by customers

Technical data

Supply voltage (Ub):	6 – 12 V DC
Power consumption:	Standby current: approx. 25 mA
Switching outputs:	16 pieces, minus switching, the hight of the output voltage corresponds to the supply voltage. Continuous current: 1,5 A, Total current of all outputs max.: 3 A
Light functions:	• 1:1 copy of 16 outputs of SFR-1 or • 1:1 copy of 16 outputs of USM-RC-3 • 1:1 copy of 12 outputs of USM-RC-2 • 1-channel and 4-channel rotating beacon • 4 various flashing effects • 4-channel chaser light
Servo outputs:	4 pieces max. power consumption of servos: 1 A, short time 4 A
Motor output:	1 piece max. power consumption of motor: 2 A, short time 3 A
Additional connections:	• Magnetic sensor • Switch for manual motor control • Data cable / Bluetooth transmitter for road trains
Permissible ambient temperature:	0 – 60° C
Permissible relative air humidity:	Max. 85 %
Size:	58 x 44 x 17 mm
Weight:	26 g

Prices (incl. 19 % VAT.)

Included in delivery:

Light module LM-BT-16-4 BT transmitter module LM-BT-S for USM-RC-2, USM-RC-3 or SFR-1 1 x ribbon cable (40 cm) for connection of switching outputs Operating manual (German - additional languages can be downloaded)

Recommended accessory:

Data cable K-USB-2 Flat ribbon cable 10-pol. (1 x included in delivery) Terminal clamp AKL-8 or AKL-8-W for an easy connection of lights

Customer reviews for this product

14.04.2023 Florian aus Brechen:	Besser und ordentlicher geht es kaum. Überzeugte von der ersten Sekunde an! Kabelsalat an Trailer und Zugfahrzeug ade!
14.04.2022 Eike aus Verden :	Hardware Installation hat einfach funktioniert. Ich hatte Verbindungsprobleme, aber durch persönlichen Kundensupport konnte das tiefergreifende Problem gelöst werden. Respekt: hier werden die technischen Probleme aufgenommen und individuell gelöst!
31.12.2021 Rolf aus Winterthur:	Ich habe mir das BT-Modul bestellt und heute vorab mal versucht, die Software zu installieren. Beim Donwload hat mein Virenscanner Alarm geschlagen und beim späteren Installationsversuch wurde dauernd versucht Turbo CAD 2019 zu installieren in einer Endlosschlaufe. Im Moment scheint mir die Software nicht so wirklich Vertrauenerweckend. Entspricht absolut nicht meinen Erfahrungen mit Beier-Produkten.
29.08.2021 Peter aus Krailling:	Habe gestern das BT-Modul bekommen und heute gleich angeschlossen. Hat auf Anhieb funktioniert ohne jegliche Probleme. Ein super Teil um Auflieger auf einfache Weise ohne Kabel ebenfalls zu beleuchten. Kann man nur weiterempfehlen.
10.06.2021 Ronald aus Küstriner Vorland:	Das BT-Modul ist einfach süper, derade bei Aufliegern wo es nicht möglich ist das man immer 'sicht' zwischen BT Sender und Empfänger wie bei Innfarot hat. BT benötigt keine direkte Sicht und dadurch ist es überall einbaubar. Einfach nur SUPER das Teil!!!

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