
5. Wiring Diagram:
LT-840-6A is equipped with 3 types DMX terminals for users’ selection.
The diagram takes XLR-3 terminal as a example, same connecting method
for the rest two: green terminal (with amplifier function) & RJ45 terminal.
DMX IN DMX OUT
ABNNNNGG
DMX IN
G
DMX AMP
G
DC V
DC CH1 CH2 CH3 CH4
12345678910
ON
DMX IN
DMX OUT
LT 840 6A- -
DMX IN DMX OUT
ABNNNNGG
DMX IN
G
DMX AMP
G
DC V
DC CH1 CH2 CH3 CH4
12345678910
ON
DMX IN
DMX OUT
LT 840 6A- -
DC +
DC +
DC
-
DC
-
5-24Vdc5-24Vdc
Input PowerInput Power
R
RG
GBW
W
R
3R
3
R
3R
2R
1
R
1
DMX/RDM Signal DMX/RDM Signal
DMX IN DMX OUT
ABNNNNGG
DMX IN
G
DMX AMP
G
DC V
DC CH1 CH2 CH3 CH4
12345678910
ON
DMX IN
DMX OUT
LT 840 6A- -
DMX/RDM Signal
DC +
DC
-
5-24Vdc
Input Power
RGB
R
3
R
2
R
1
DMX/RDM signal
1
3
2
PUSH
1
3
2
PUSH
DMX Console
B
R
3
R
2
GND
DATA+
DATA-
Terminal resistor
W
R
3
*
resistor at the end of each line.
If the recoil effect occurs because of longer signal line or bad line quality, please try to connect 0.25W 90-120Ω terminal
3
5.1 Decoder can be connected to a variety of standard DMX512 devices:
*
An amplifier is needed when more than 32 decoders are connected, signal amplification should not be more than 5 times
continuously.
5.2 The connection diagram of three DMX terminals:
5.3 The connection diagram of :AMP signal amplifier terminal
XLR-3 Connected in Parallel
Green Terminal Connected in Parallel
RJ45 Connected in Parallel
These 3 terminals can be connected
in a mixed way.
Terminal Resistor
DMX signal input
*
signal amplification
should be no more than 5 times continuously.
Amplified the signal by AMP interface which connecting too many decoder and in overlong signal line,
Update Time: 2016.06.22
6. Attention:
7. Warranty Agreement:
6.1 The product shall be installed and serviced by the qualified person.
6.2 This product is non-waterproof. Please avoid the sun and rain. When installed outdoors please ensure
it is mounted in a water proof enclosure.
6.3 Good heat dissipation will prolong the working life of the controller. Please ensure good ventilation.
6.4 Please check if the output voltage of the LED power supply used comply with the working voltage of
the product.
6.5 Please ensure that adequate sized cable is used from the controller to the LED lights to carry the current.
Please also ensure that the cable is secured tightly in the connector.
6.6 Ensure all wire connections and polarities are correct before applying power to avoid any damages to
the LED lights.
6.7 If a fault occurs, please return the product to your supplier. Do not attempt to fix this product by yourself.
7.1 We provide lifelong technical assistance with this product:
A 5-year warranty is given from the date of purchase. The warranty is for free repair or replacement
if cover manufacturing faults only.
For faults beyond the 5-year warranty, we reserve the right to charge for time and parts.
7.2 Warranty exclusions below:
Any man-made damages caused from improper operation, or connecting to excess voltage and
overloading.
The product appears to have excessive physical damage.
Damage due to natural disasters and force majeure.
Warranty label, fragile label and unique barcode label have been damaged.
The product has been replaced by a brand new product.
7.3
7.4 Any amendment or adjustment to this warranty must be approved in writing by our company only.
★ This manual only applies to this model. reserve the right to make changes without
We prior notice.
Repair or replacement as provided under this warranty is the exclusive remedy to the customer.
We shall not be liable for any incidental or consequential damages for breach of any stipulation
in this warranty.
4
LT-840 6A DMX/RDM 4CH CV Decoder- LT-840-6A DMX/RDM 4CH CV Decoder
www.ltech-led.com