“Inspired by the Apple iPhone and the Leatherman multitool,
RC4 Series 3 technology delivers unparalleled versatility
to propsmasters and show electricians around the world.”
James David Smith, President and Chief Product Designer
The most powerful RC4Magic Series 3 dimmer, the DMX4dim-500 provides four dimmers with a total current capacity of 42A — that’s 500W at 12V, 1000W at 24V. The device works from 6VDC all the way up to 35VDC, ideal for use with 30V battery belts common in the film industry. Like all RC4 Series 3 devices, it includes a built-in radio receiver and uses RC4 OneTouch™ for easy assignment of any DMX channel and dimmer curve to any dimmer with a single press of a single button. Device configuration can also be done with Remote Device Management (RDM) and RC4MagicPC Remote Configuration Software.
The warmth of incandescent lighting has long been favored by lighting designers, and for good reason; natural filament persistence ensures smooth fades even when control resolution is relatively coarse. The DMX4dim-500 easily drives 500W of crisp 12V halogen lighting. RC4 Digital Persistence™ brings that same pleasing smoothness to LED dimming, with a range of eight persistence periods emulating a variety of halogen lamp sizes. LEDs have never looked this good, and 500W (at 12V) or 1000W (at 24V) of LED light is a lot of lumen intensity.
Many pulse-width-modulation (PWM) dimmers look good to the human eye, but produce banding, blinking, and other anomalies when used with video cameras. For this reason, all RC4 Series 3 dimmers provide multiple PWM frequencies. Low frequencies are most efficient, ideal for high-wattage incandescent lighting. Mid frequencies improve the appearance of LEDs by eliminating visible strobing in human peripheral vision. High frequencies eliminate video artifacts. And finally, supersonic PWM frequencies, though least efficient for power handling, provide PWM dimming without audio interference when used near microphones and electified musical instruments.
Four dimmer outputs also provide an optimal experience with the RC4 Wireless Flkr Effects Engine. Using DMX channels for control, dynamic animated effects are easily and quickly created — this is not a canned effect generator, it is a tool for creating unique looks to suit any need. Effects can also be stored and recalled, and a saved effect can be enabled on power-up. This provides a means of creating and using custom effects without an external DMX controller — perfect for standalone displays in retail, trade shows, and more.
The DMX4dim-500, and all RC4 Series 3 dimmers, provide a wired DMX data port. In most cases this port is used to output data to nearby fixtures including fog machines, moving lights, and projector dousers. The DMX port can also be configured as a DMX input, allowing the DMX4dim-500 to be used as a powerful wired DC dimmer. In this mode, a comprehensive RDM implementation includes E1.37 dimmer configuration parameters, numerous status sensors (voltage, temperature, current), and each individual dimmer appears as an RDM sub-device.
With all that’s going on inside RC4 Series 3 dimmers, a means of routing signals within the device is needed. RC4 HotPatch™ is the answer. In the default mode, dimmers are directly controlled by DMX channels they are assigned to; the flicker effects engine and HSL color controller are bypassed. From there, RC4 HotPatch™ provides numerous other configurations, enabling internal processes in a variety paths. When using RC4Magic Series 3 dimmers, RC4MagicPC allows these configurations to be further customized by individually routing dimmers to particular data sources.
Any number of receiver-dimmers can be used in an RC4Magic Series 2 or Series 3 system. The DMX4dim-500 includes all RC4 Series 3 Harmonized Design features:
- RC4 OneTouch configuration
- RC4MagicPC configuration
- wired RDM configuration (wireless RDM is not provided)
- 16-bit dimming with multiple PWM frequencies
- RC4 Digital Persistence
- HSL Color Controller
- RC4 ColorMatch
- RC4 Flkr Effects Engine
- DMX data in and out
- RC4 HotPatch
- high efficiency 6V- 35VDC voltage input range
Anderson Powerpole connectors are provided for connection of the power supply (+/-DC IN red/black) and load devices (+/-DimA yellow/grey, +/-DimB yellow/grey, +/-DimC yellow/grey, +/-DimD yellow/grey). The supply powers both the internal electronics and the connected loads. Dimmers switch on the negative side of the circuit, ideal for common-anode (common positive) LED tape. Dimmer output voltage is precisely the DC power input voltage with no appreciable losses within the 42A total power handling limit of the device. When operating at or near the maximum power capacity, Anderson 45A pins must be used at the power input, all wiring must be appropriately sized and in compliance with applicable electrical codes, and external fuses or circuit breakers should be used at the power source and in each individual dimmer circuit.
The internal wireless DMX receiver operates identically to the RC4Magic Series 3 DMXio in receiver mode. The RC4 DMX miniplug port can used with a range of DMX adaptors, including 3-pin and 5-pin male and female XLR connectors. The most common adaptor is the RC4DMX5FA with 5-pin female XLR connector.
RC4Magic Series 3 DMX4dim-500 Specifications
Dimensions: 112mm x 62mm x 31mm
Power Input: 6VDC – 35VDC, 0.4W idle draw, ~87% regulation efficiency, screw terminal connections
Dimmer Outputs: 4 low-voltage DC dimmers, Anderson Powerpole connections, 16-bit resolution PWM (16,384 steps)
Output Power, per Dimmer: 40A non-continuous, 15A continuous
Maximum Total Power Handling: 42A (limited by rating of Anderson power input connectors)
Multiple PWM frequencies: 77Hz (high power), 615Hz (flicker free), 5kHz (artifact free for video), 20kHz (noise free for audio)
Multiple Dimmer Curves: Non-Dim, Non-Dim Inverted, Linear, Linear Inverted, Inverse-Square-Law (ISL), ISL inverted, servo motor pulse clockwise (CW), servo motor pulse counter-clockwise (CCW).
RC4 Digital Persistence™: 8 user-selectable persistence periods emulating a range of filament lamps
Series 3 Versatility: wired and wireless DMX dimming, RC4 Flkr Effects Engine™, RC4 HSL Color Controller, RC4 ColorMatch™, RC4 HotPatch™, RC4MagicPC 3.x compatible, extensive wired RDM support.
Sensors: Input voltage, internal temperature, total current draw (sum of 4 dimmers)
DMX Input/Output: RC4 3.5mm mini, USITT DMX512/1990 data, non-standard port, connector adaptors available. RDM E1.20 and E1.37 (dimmer configuration) support.
Wireless DMX Protocol: RC4 Wireless RC4Magic Series 3, compatible with RC4Magic Series 2, proprietary
RF Antenna: hidden internal, omnidirectional