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
DMX512
OUT
DMX512
OUT
DMX512
OUT
DMX512
IN
DMX512
IN
DMX512
IN
DATA
CLK
LAT
GND
DC5V
24V
96
CHANNEL
DMX512
DECODER
LT
SYSTER
8020
DC5V
24V
96
CHANNEL
DMX512
DECODER
LT
SYSTER
8020
DC5V
24V
96
CHANNEL
DMX512
DECODER
LT
SYSTER
8020
DATA
CLK
LAT
GND
DATA
CLK
LAT
GND
SPI
（
TTL
）
SPI
（
TTL
）
SPI
（
TTL
）
Power adapter
Input
Power
DC5V
-
24V
Output
Signal
Output
Power adapter
Input
Power
DC5V
-
24V
Signal
Output
Input
Output
Input
Output
Power adapter
Input
Power
DC5V
-
24V
Signal
Output
DMX Data Input
DMX
Signal
Output
DMX512
CONTROL SYSTEM
IP-DMX
DMX512
PC SOFTWARE
USB-DMX
Data Convertor
Data Convertor
p
ixel lamp
p
ixel lamp
p
ixel lamp
CONNECT POWER
SUPPLIER
CONNECT POWER
SUPPLIER
CONNECT POWER
SUPPLIER
LT- 8020 DMX512 Decoder Manual
LT- 8020 DMX512 Decoder Manual
3
2. T esting function:
5. Configuration Diagram
1. LED point source conjunction diagram
The 10th DIP switch is FUN, acting as the function key.
DMX512 Decoder works when FUN is at OFF, receiving DMX512 signals.
Decoder testing mode works when FUN is at position” ON” as Figure 3:
SWITCH1-9 OFF: BLACK
SWITCH1 IS ON: lighten 6 channels
SWITCH2 IS ON: lighten 12 channels
SWITCH3 IS ON: lighten 18 channels
SWITCH4 IS ON: lighten 24 channels
SWITCH5 IS ON: lighten 30 channels
SWITCH6 IS ON: lighten 36 channels
SWITCH7 IS ON: lighten 42 channels
SWITCH8 IS ON: lighten 48 channels
SWITCH9 IS ON: the ground color is dark, then light from the 1st channel individually to
all until lighten all channels.
4
1 2 3 4 5 6 7 8 9 10
ON
0
1
OFF
ON
Figure 3
See Figure 4, if multi dip switches are on, the function is subject to the last switch.
4
1 2 3 4 5 6 7 8 9 10
ON
0
1
OFF
ON
Figure 4
4
2. LED wall washer conjunction diagram
24V
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
DMX512
OUT
DMX512
OUT
DMX512
OUT
DMX512
IN
DMX512
IN
DMX512
IN
output
input
output
power DCSV
DATA
CLK
LAT
GND
DC5V
24V
128
CHANNEL
DMX512
DECODER
LT
SYSTER
8020
DC5V
24V
128
CHANNEL
DMX512
DECODER
LT
SYSTER
8020
DC5V
24V
128
CHANNEL
DMX512
DECODER
LT
SYSTER
8020
DATA
CLK
LAT
GND
DATA
CLK
LAT
GND
SPI
（
TTL
）
signal output
SPI
（
TTL
）
SPI
（
TTL
）
DMX
signal input
DMX signal input
DMX512 console
IP-DMX
DMX512
PC software
power
USB
hi-power floodlight
hi-power floodlight
power
adapdter
power adapdter
24V
power DCSV
signal output
power
hi-power floodlight
hi-power floodlight
power
hi-power floodlight
hi-power floodlight
signal output
24V
power DCSV
input
output
power adapdter
NOTE: Acoording to DMX512 protocol, in order to ensure a steady data transmission, you should add a
metalster(Metal Thin Film resistor
，
90-120Ω 1/4 W )at the end of each layout of DMX data
cable(between Foot 2 and Foot 3, Data + and Data -), please also refer to your dmx console manual to
select a correct resistor
ZHUHAI LTECH ELECTRONIC TECHNOLOGY CO., LTD.
Tel: +86 756 620 8823
Fax: +86 756 620 8833
5. Attention
6. Warranty Agreement
1. The product shall be installed and serviced by a qualified person.
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.
3. Good heat dissipation will prolong the working life of the controller. Please ensure good ventilation.
4. Please check if the output voltage of any LED power supplies used comply with the working voltage of the product.
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 to avoid the accidents due to overheat and
poor contact on the wire.
6. Ensure all wire connections and polarities are correct before applying power to avoid any damages to the LED lights.
7. If a fault occurs please return the product to your supplier. Do not attempt to fix this product by yourself.
1. We provide lifelong technical assistance with this product:
A 3 year warranty is given from the date of purchase. The warranty is for free repair or replacement and covers
manufacturing faults only.
For faults beyond the 3 year warranty we reserve the right to charge for time and parts.
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.
3. Repair or replacement as provided under this warranty is the exclusive remedy to the customer.
Ltech shall not be liable for any incidental or consequential damages for breach of any stipulation in this warranty.
4. Any amendment or adjustment to this warranty must be approved in writing by Ltech only.
★
This manual only applies to this model. Ltech reserves the right to make changes without prior notice.
