Ltech LT-903-DIP Bedienungsanleitung
Product introduction
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3. With RDM remote management protocol, the operations can be completed via the
RDM master console, such as parameters browsing & settings, DMX address settings,
equipment recognition, etc.
1. Designed with 3 channels output, and Max. 8A current per channel, up to 576W output
power.
1
Short circuit
protection
RDM Over current
protection
Photoelectric
isolation
Overheat
protection
2. 3-pin XLR, RJ45 DMX interface with photoelectric isolation, improve signal
transmission efficiency and anti-interference ability.
4.
when a fault occurs.
With short circuit, over current and overheat protection, as well as warning function
5-Year
Warranty
E500585
RJ45
3-pin XLR
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Technical specs
LT-903-DIP
DMX512/RDM
3-pin XLR, RJ45
~
×
× 3CH Max. 576W
12 24Vdc
8A 3CH Max. 24A
(0~96W...192W)
2
Protection:
Working temperature:
:
:
:
Dimensions
Package size
Weight (G.W.)
Model
Input signal
Input voltage
Current load
:
:
DMX interfaces:
:
:
Output power:
Unit: mm
Short circuit / Overheat / Over current protection,
recover automatically.
-30°C~65°C
122×110×37mm(L×W×H)
127×123×41mm(L×W×H)
550g
110
86 37
122
110
Photoelectric isolation: Yes
Product size
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3
Main component description
Power
indicator
Signal
indicator
Dip switch
RJ45
3-pin XLR
DMX/RDM
input & output
DMX/RDM
input & output
12-24Vdc
input voltage
LED lamp
connection
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4
1
1
1
2
2
2
3
3
3
4
4
4
5
5
5
6
6
6
7
7
7
8
8
8
9
9
9
10
10
10
ON
ON
ON
0
0
0
1
1
1
OFF
OFF
OFF
ON
ON
ON
11 22 33 44 55 66 77 88 99 1010
ONON
OFFOFF
ONON
12345
ON
DIP switch
RDM mode: The DIP switch 1-10 are OFF.
FUN=ON (the 10th DIP switch = ON)
Self-testing mode:
FUN=OFF (the 10th DIP switch = OFF)
DMX mode:
Setting DMX addresses with dip switch 1-9
FUN=OFF (the 10th DIP switch ) mode=OFF DMX
How to set DMX address via DIP switch:
E.g.1: Set initial address to 32. E.g.2: Set initial address to 37. E.g.3: Set initial address to 178.
DMX address value = the total value of (1-9), to get the place value when in “on”
position, otherwise will be 0.
001+004+032=37 002+016+032+128=178
When DIP switch 1-9 are OFF, the defaulted initial DMX address is 1.
*
6 7 8 9 10
OFF
ON
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OFF
ON
12345678910
Self-testing mode
FUN=ON (the 10th dip switch=ON) Self-testing mode
1=on 4=on 7=on 8=on 9=on2=on 5=on
3=on 6=on
Self-test
function
1-9=off
DIP switch
Static
black Static
red Static
green Static
blue Static
yellow
Static
purple Static
cyan Static
white 7 color
junping 7 color
gradient
Static
red
Static
green
Static
blue
Static
yellow
Static
purple
Static
cyan
Static
white
7 color
jumping
7 color
gradient
For changing effects ( Switch 8 9=on): DIP /
DIP switch 1-7 is used to realize 7 speed
levels. (7=on, the fastest level)
[Attn] When several switches are on, subjected to the highest switch value.
As the figure above shows, the effect will be 7 color gradient at 7 speed level.
DIP
DMX dimming instruction
CH1 0-255
CH2 0-255
CH3 0-255
PWM 0-100% (LED R)
PWM LED G)0-100% (
PWM LED B)0-100% (
CH1
CH2
CH3
DMX Console DMX Decoder
Each LT-903 DIP DMX decoder occupied 3 DMX
addresses when connecting the DMX console.
-
E.g., the defaulted initial address is 1, please
find their corresponding relationships in the form.
5
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DMX
RDM
DMX
RDM
Wiring diagram
1 Connecting LED lights:
signal signal
LED
driver
12-24Vdc
RGB LED
RGB LED
LT-903-DIP
V+
1
2
3
6
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DMX
console
2. DMX console onnectionc :
DMX signal DMX signal
12-24Vdc 12-24Vdc 12-24Vdc
Resistor
terminal
An amplifier is needed if more than 32 decoders are connected ,
signal amplification should not be more than 5 times continuously.
or use overlong signal line
If the recoil effect occurs because of longer signal line or bad line quality, please try to
connect 0.25W 90-120Ω terminal resistor at the end of each line.
LT-903-DIP is equipped with 2 kinds of DMX
terminals for users’ selection. The following
diagram takes 3-pin XLR as an example,
same connecting method for RJ45.
*
*
DMX signal
LT-903-DIP LT-903-DIP LT-903-DIP
1
3
2
PUSH
1
3
2
PUSH
GND
DATA+
DATA-
7
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These 2 terminals can be connected in a mixed way.
Rj45 connected in parallel
3-pin XLR connected in parallel
Resistor
terminal
Resistor
terminal
3. The connection diagram of 2 kinds of DMX/RDM terminals:
*
Installation attentions: please reserve enough ventilation distance between decoders (>20mm),
be sure not to block the vent, or it will affect lifetime of decoder for .poor heat dissipation
Installation distance > 20mm
Vent
LT-903-DIP LT-903-DIP LT-903-DIP
LT-903-DIP LT-903-DIP LT-903-DIP
8
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9Update time: 13/01/2021_A2
Attentions
Warranty agreement
Warranty exclusions below:
No any contract signed by LTECH.
Warranty labels and barcodes have been damaged.
Damage caused by natural disasters and force majeure.
Products with severe physical damage.
Beyond warranty periods.
Warranty periods from the date of delivery : 5 years.
Free repair or replacement services for quality problems are provided within warranty periods.
Any artificial damage caused by high voltage, overload, or improper operations.
1. Repair or replacement provided is the only remedy for customers. LTECH is not liable for any incidental
or consequential damage unless it is within the law.
2. LTECH has the right to amend or adjust the terms of this warranty, and release in written form shall
prevail.
This manual is subject to changes without further notice. Product functions depend on the goods.
Please feel free to contact our official distributors if you have any question.
1. Products shall be installed by qualified professionals.
2. LTECH products are non-waterproof (special models excepted). Please avoid the sun and rain. When
installed outdoors, please ensure it is mounted in a water proof enclosure.
3. Good heat dissipation will extend the working life of products. Please ensure good ventilation.
4. Please check if the working voltage used complies with the parameter requirements of products.
5. The diameter of wire used must be able to load the light fixtures you connect and ensure the firm wiring.
6. Before you power on products, please make sure all the wiring is correct in case of incorrect connection
that causes damage to light fixtures.
7. If a fault occurs, please do not attempt to fix products by yourself. If you have any question, please contact
your suppliers.
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