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The DMX Iris from Rosco is a servo operated, DMX controlled iris intended to fit the majority of commonly used ellipsoidal lighting units used in theatrical and music productions. Changing the level of the assigned DMX channel will cause the iris mechanism to open or close, changing the size of the projected pool of light. You can define how the Rosco DMX Iris responds to data control signals. In Mode 1 and 3, a zero level of DMX sets the iris aperture to its full open 3" aperture. Increasing the channel level or DMX value will close the DMX Iris until it reaches its smallest 0.4" aperture. Switching the unit to Mode 2 or 4 reverses this behavior. As the level of the DMX channel increases, the aperture will iris up and when the level reaches 100% the aperture will be at its largest 3" opening. The iris features an intuitive four-button input panel with LED display with which to set operating address and modes.
The operator can define how the Rosco DMX Iris responds to DMX control signals: open to close, close to open and the speed at which the iris opens or closes.
The DMX Iris can be operated in one of four different modes, depending on the features and options desired. Modes 1 and 2 use one channel of DMX to control the iris. Modes 3 and 4 require two channels of DMX with the second channel controlling the speed at which the iris opens or closes. The Rosco DMX Iris can also be used as a manually adjustable iris in situations where live control of the aperture size is either impossible or not required.
The iris has a friction lock which prevents the unit from falling from the light's gobo mount slot if it is inverted.
The iris is equipped with an internal, auto-sensing power supply. It will automatically adjust power input from 100 volts to 240 volts with a frequency range of 50 - 60 Hz. The DMX Iris has been designed to fit into most modern ellipsoidal luminaires. With its thin body design the list of compatible fixtures includes ETC Source Four, ETC Source Four Zoom, Selecon Pacific, Altman Shakespeare, Strand SL, and Leviton Leo.
LED display with 4 button input panel enabling setting of address and modes
Mode 1: Open to Close (0-255)
Mode 2: Close to Open (0-255)
Mode 3: Ch 1 - Open to Close (0-255)
Ch 2 - Speed (0-100%)
Mode 4: Ch 1 - Close to Open (0-255)
Ch 2 - Speed (0-100%)
Fits into most modern ellipsoidal luminaires including ETC Source Four, ETC Source Four Zoom, Selecon Pacific, Altman Shakespeare, Strand SL, Leviton Leo, and many others
In the Box
Rosco DMX Iris
IEC /NEMA Power Cord
Limited 1-Year Warranty
Table of Contents
1 x DMX 512 In
1 x DMX 512 Out
1 x IEC Power Inlet
24 V 1.8° stepper type
100-240 VAC, 50-60 Hz
24-Leaf iris, bonded stainless steel
0.4 - 3.0" (10 mm - 75 mm)
450° F at iris leaves
Dimensions (L x W x D)
10.9 x 4.7 x 0.52" (277 x 119 x 13.4 mm)
2.5" D (63.4 mm) at the motor