SKYDANCE D4-P 4 Channel Constant Voltage DMX512 & RDM Decoder Instruction Manual

June 4, 2024
SKYDANCE

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SKYDANCE D4-P 4 Channel Constant Voltage DMX512 & RDM Decoder

SKYDANCE-D4-P-4-Channel-Constant-Voltage-DMX512-&-RDM-Decoder-
product

Features

  • Comply with the DMX512 standard protocols.
  • Digital numeric display, set DMX decode start address by buttons.
  • RDM function can realize intercommunication between DMX master and decoder. For example, DMX decoder address can be set by DMX master console.
  • 1/2/4 DMX channel output selectable.
  • 16bit (65536 levels) /8bit (256 levels) grey level selectable.
  • PWM frequency 250/500/1000/2000/4000/8000/16000Hz selectable.
  • Logarithmic or linear dimming curve selectable.
  • Over-heat / Over-load / Short circuit protection, recover automatically.
  • D4-P have Green terminal DMX signal ports, D4-E have RJ-45 DMX signal ports.

Technical Parameters

Input and Output

Input voltage| 12-48VDC
Input current| 32.5A
Output voltage| 4 x (12-48)VDC
Output current| 4×8A@12/24V

4×6A@36/48V

Output power

| 4×96W @12V 4×192W@24V

4×216W@36V 4×288W@48V

Output type| Constant voltage
Safety and EMC

EMC standard (EMC)| ETSI EN 301 489-1 V2.2.3

ETSI EN 301 489-17 V3.2.4

Safety standard(LVD)| EN 62368-1:2020+A11:2020
Certification| CE,EMC,LVD| Environment

Operation temperature| Ta: -30 OC ~ +55 OC
Case temperature (Max.)| T c: +75OC
IP rating| IP20

Warranty and Protection

Warranty| 5 years

Protection

| Reverse polarity

Over-heat Over-load Short circuit

Weight|
---|---
Net weight| 276g
Gross weight| 295g

Mechanical Structures and Installations

SKYDANCE-D4-P-4-Channel-Constant-Voltage-DMX512-&-RDM-Decoder-
fig-1

DIMENSIONS

SKYDANCE-D4-P-4-Channel-Constant-Voltage-DMX512-&-RDM-Decoder-
fig-2

Wiring Diagram

SKYDANCE-D4-P-4-Channel-Constant-Voltage-DMX512-&-RDM-
Decoder-fig-3

Note:

  1. An DMX signal amplifier is needed if more than 32 decoders are connected, or use overlong signal line, signal amplification should not be more than 5 times continuously.
  2. 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 DMX signal line.

Operation

System parameter setting

  • Long press M and ◀ key in the same time for 2s, prepare for setup system parameter: decode mode, grey level, output PWM frequence, output brightness curve, default output level, automatic blank screen. short press M key to switch six item.

  • Decode mode: short press ◀ or ▶ key to switch 1/2/4 channel decode mode(“d-1″,”d-2” or “d-4”). When set as 1 channel decode, the decoder occupy only 1 DMX address, and four channel output the same brightness of this DMX address.

  • Grey level: short press ◀ or ▶ key to switch 8bit(“b08”) or 16 bit(“b16”). choose 16 bit if the DMX master support 16 bit.

  • Output PWM frequency: short press ◀ or ▶ key to switch 250Hz(“F02”), 500Hz(“F05”), 1000Hz(“F10”), 2000Hz(“F20”), 4000Hz(“F40”), 8000Hz(“F80”) or 16000Hz(“F16”).
    Higher PWM frequency, will cause lower output current, higher power noise, but more suitable for camera(No ickers for video).

  • Output brightness curve: short press ◀ or ▶ key to switch linear curve(“C-L”) or logarithmic curve(“C-E”).

  • Default output level: press ◀ or ▶ key to change default 0-100% level (“d00” to “dFF” ) when no DMX input signal.

  • Automatic blank screen: short press ◀ or ▶ key to switch enable (“bon”) or disable(“boF”) automatic blank screen.

  • Long press M key for 2s or timeout 10s, quit system parameter setting.

DMX mode

  • Short press M key, when display 001~512, enter DMX mode.
  • Press ◀ or ▶ key to change DMX decode start address(001~512), long press for fast adjustment.
  • If there is a DMX signal input, will enter DMX mode automatically.
  • DMX Dimming: Each D4-P/D4-E DMX decoder occupy 4 DMX address when connecting the DMX console. For example, the defaulted start address is 1, their corresponding relationship in the form:
DMX Console DMX Decoder Output
CH1 0-255 CH1 PWM 0-100% (LED R)
CH2 0-255 CH2 PWM 0-100% (LED G)
CH3 0-255 CH3 PWM 0-100% (LED B)
CH4 0-255 CH4 PWM 0-100% (LED W)

Self-test mode

  • Enter self-test mode only when DMX signal is disconnected or lost.
  • Short press M key, when display L-1~L-5, enter self-test mode.
  • Press ◀ or ▶ key to change mode number(L-1L-5).
  • Self-test mode include four channel light up separately or synchronously.

Dimming curve setting

  • Linear dimming curve
  • Logarithmic dimming curve

SKYDANCE-D4-P-4-Channel-Constant-Voltage-DMX512-&-RDM-Decoder-
fig-6

Malfunctions analysis & troubleshooting

Malfunctions Causes Troubleshooting
No light 1.  No power.

2.  Wrong connection or insecure.

| 1. Check the power.

2. Check the connection.

Wrong color| 1. Wrong connection of R/G/B/W wires.

2. DMX decode address error.

| 1. Reconnect R/G/B/W wires.

2. Set corrrect decode address.

Uneven intensity between front and rear,with voltage drop| 1. Output cable is too long.

2. Wire diameter is too small.

3. Overload beyond power supply capability.

4. Overload beyond controller capability.

| 1. Reduce cable or loop supply.

2. Change wider wire.

3. Replace higher power supply.

4. Add power repeater.

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