1. Product Overview
The Skydance S1-D is a 2-channel AC phase-cut MOSFET dimmer with DMX512 functionality, designed for precise control of dimmable LED lamps, traditional incandescent, and halogen lights. It features RDM (Remote Device Management) for enhanced communication with DMX master consoles, a digital numeric display for easy address setting, and both DMX and stand-alone operation modes. The dimmer supports both reverse-phase and forward-phase dimming and includes automatic over-heat protection.
2. Features
- AC phase-cut MOSFET dimmer with DMX512 function, offering two channel output.
- Complies with DMX512 standard protocols.
- Digital numeric display for setting DMX decode start address via buttons.
- RDM function enables intercommunication between DMX master and decoder, allowing DMX master console to set decoder address.
- Selectable 1 or 2 DMX channel output.
- Configurable for reverse-phase dimming or forward-phase dimming.
- Adjustable minimum brightness setting from 1% to 40%.
- Stand-alone dynamic mode and 2-channel dimmer mode selectable, controlled by built-in programs via buttons, independent of DMX signal.
- Designed to dim and switch single color dimmable LED lamps, traditional incandescent, and halogen lights.
- Equipped with automatic over-heat protection for safety and reliability.
3. Technical Specifications
| Category | Parameter | Value |
|---|---|---|
| Input and Output | Input voltage | 100-240VAC |
| Output voltage | 2 x (100-240)VAC | |
| Output current | 2CH, 1A/CH | |
| Output power | 2 x (100-240)W | |
| Dimming Data | Dimming level | 256 levels |
| Dimming range | 0-100% | |
| Safety and EMC | EMC standard | ETSI EN 301 489-1 V2.2.3, ETSI EN 301 489-17 V3.2.4 |
| Safety standard | EN 62368-1:2020+A11:2020 | |
| Radio Equipment RED | ETSI EN 300 328 V2.2.2 | |
| Certification | CE, EMC, LVD, RoHS, FCC, GS | |
| Environment | Operating temperature (Ta) | -30 ~ +55°C |
| Case temperature (Max. Tc) | +85°C | |
| IP rating | IP20 | |
| Package | Size | L175 x W54 x H27mm |
| Gross weight | 0.135kg |
4. Setup and Installation
4.1 Mechanical Structures and Connections
The S1-D dimmer features clearly labeled terminals for DMX input/output, AC power input, and two AC output channels. The digital display and setting keys are located on the front panel for easy access.
Figure 2: Mechanical Structure and Wiring Diagram
Terminal Descriptions:
- DMX Input/Output: DMX+, DMX-, GND for DMX signal connection.
- AC Input: L (Live), N (Neutral) for 100-240VAC power supply.
- AC Output: CH1 L1/N1 and CH2 L2/N2 for connecting dimmable loads.
- Digital Display: Shows current settings and DMX address.
- Setting Key (M, K): Buttons for navigating menus and adjusting parameters.
4.2 Wiring Diagram
Caution: Please ensure all wire connections and polarities are correct and secure before applying power. Incorrect wiring will damage the controller.
4.2.1 Connect with Dimmable LED Light
Connect the DMX master to the DMX input terminals (DMX+, DMX-, GND) of the S1-D dimmer. Connect the AC 100-240V power supply to the L and N input terminals. For the output, connect the dimmable LED light directly to the CH1 (L1, N1) or CH2 (L2, N2) output terminals. Ensure the LED light is compatible with phase-cut dimming.
4.2.2 Connect with Triac Dimmable LED Driver
Connect the DMX master to the DMX input terminals (DMX+, DMX-, GND) of the S1-D dimmer. Connect the AC 100-240V power supply to the L and N input terminals. For the output, connect the Triac dimmable LED driver to the CH1 (L1, N1) or CH2 (L2, N2) output terminals. Then, connect the LED light to the output of the Triac dimmable LED driver.
Note: When calculating the maximum number of load lamps or drivers, the input power or input current parameters of a single lamp or driver must be used. The output power parameters can not be used. In addition, the maximum surge current of the dimmer is 60A, the sum of surge current of multiple dimmable LED drivers should not exceed 2 times. Otherwise, the product will be overloaded and damaged.
5. Operation
Figure 3: Operation Details and Settings
5.1 System Parameter Setting
- Long press the 'M' and 'K' keys simultaneously for 2 seconds to enter the system parameter setting mode.
- Short press the 'M' key to cycle through parameters: Decode mode, Control method, Default output level, Minimum brightness curve, Minimum blank screen.
- Short press the 'K' key to adjust the value of the selected item.
- To exit, long press the 'M' key for 2 seconds or wait for a 10-second timeout.
5.1.1 Decode Mode
- Short press 'K' to switch between one-channel decode ("d-1") or two-channel decode ("d-2").
- In "d-1" mode, the decoder occupies 1 DMX address, and both channels output the same brightness.
5.1.2 Control Method
- Short press 'K' to switch between forward-phase control ("C-F") or reverse-phase control ("C-R").
Figure 4: Phase Control Waveforms
5.1.3 Default Output Level
- Short press 'K' to change the default 0-100% level ("000" to "OFF") when no DMX input signal is present.
5.1.4 Minimum Brightness
- Short press 'K' to set the minimum brightness from 1% to 40% ("b01" to "b40"). This helps avoid flicker at low dimming levels.
5.1.5 Automatic Blank Screen
- Short press 'K' to enable ("bon") or disable ("boF") the automatic blank screen feature.
5.2 DMX Mode
- When the display shows "001-512", short press 'M' to enter DMX mode.
- Press 'K' to change the DMX decode start address (001-512). Long press 'K' for fast adjustment.
- The dimmer automatically enters DMX mode if a DMX signal is detected.
- Each S1-D DMX decoder occupies 2 DMX addresses. For example, if the DMX decoder start address is 1, the DMX Console Output mapping is: CH1: 01001, CH2: 01002.
5.3 Stand-alone Dimmer Mode
- When the display shows "1-1-8", short press 'M' to enter stand-alone dimmer mode.
- Short press 'K' to change the dimmer mode number (1-1-8).
- Each dimmer mode allows independent brightness customization for each channel.
- To set two channel brightness: Long press 'M' for 2 seconds, then short press 'M' to switch between 100-1FF and 200-2FF. Long press 'K' to set the brightness value.
- This mode is active only when the DMX signal is disconnected or lost.
5.4 Stand-alone Dynamic Mode
- When the display shows "P-1-P-4", short press 'M' to enter stand-alone dynamic mode.
- Short press 'K' to change the dynamic mode number (P-1-P-4).
- Each mode allows adjustment of speed and brightness.
- To set speed and brightness: Long press 'M' for 2 seconds, then short press 'M' to switch between speed (1-10 levels, S-F) and brightness (1-10 levels, b-F). Short press 'K' to set the value.
- This mode is active only when the DMX signal is disconnected or lost.
5.4.1 Dynamic Mode List
| No. | Name |
|---|---|
| P-1 | 2ch light on/off synchronously |
| P-2 | 2ch single light call synchronously |
| P-3 | 2ch light fadein and fadeout synchronously |
| P-4 | 2ch light fadein and fadeout in sequence |
5.5 Restore Factory Default Parameter
- Long press the 'M' and 'K' keys simultaneously for 2 seconds to restore factory default parameters. The display will show "RES".
- Factory default settings: DMX decode mode, DMX decode start address is 1, two channel decode, reverse-phase control, 10% minimum brightness, dimmer mode number is 1, dynamic mode number is 1, output 100% level when no DMX input, and automatic blank screen is disabled.
6. Compatible Load Types
The S1-D dimmer is compatible with various load types, with specific maximum load capacities:
| Load Type | Maximum Load | Remarks |
|---|---|---|
| Dimmable LED lamps | 100W @ 220V 50W @ 110V |
Due to variety of LED lamps designs, maximum number of LED lamps is further dependent on power factor result when connected to dimmer. Maximum permitted power of drivers is 100W divided by driver nameplate power rating, and make sure the surge current is no more than 2 times 60A. |
| Triac Dimmable LED drivers | 100W @ 220V 50W @ 110V |
|
| Incandescent lighting | 200W @ 220V 200W @ 110V |
|
| HV Halogen lamps | 200W @ 220V 200W @ 110V |
7. User Tips
- Always ensure the power supply is disconnected before making any wiring changes to prevent electrical shock or damage to the device.
- When using the RDM function, ensure your DMX master console supports RDM for seamless address configuration.
- If experiencing flicker at low brightness levels, adjust the 'Minimum brightness' setting to a higher value to stabilize the output.
- For optimal performance and longevity, ensure the dimmer is installed in a well-ventilated area to prevent overheating.
8. Troubleshooting
- No output/Dimmer not responding: Check all wiring connections for security and correct polarity. Verify the power supply is active. Ensure the DMX signal is present if in DMX mode, or switch to stand-alone mode to test.
- Flickering lights: Adjust the 'Minimum brightness' setting. Ensure the connected load is compatible with phase-cut dimming. Check for loose connections.
- Overheating: The device has built-in over-heat protection and will recover automatically. Ensure proper ventilation and that the total load does not exceed the maximum specified power.
- Incorrect DMX address: Use the digital display and 'K' button to set the correct DMX start address, or use an RDM-compatible DMX master to configure.
- Unexpected behavior: Try restoring the dimmer to factory default settings (refer to section 5.5).
9. Maintenance
The Skydance S1-D dimmer requires minimal maintenance. Keep the device clean and free from dust. Do not use abrasive cleaners or solvents. Ensure that the ventilation openings are not obstructed. For any internal issues, contact qualified service personnel.
10. Warranty and Support
This product comes with a 1-year warranty from the date of purchase, covering manufacturing defects. For technical support, troubleshooting assistance, or warranty claims, please contact your retailer or the manufacturer's customer service. Please have your product model number (S1-D) and purchase information ready.
11. Package Contents
The package includes:
- 1x Skydance S1-D AC Triac DMX Dimmer