To order any of these products please go to the Order page.

Always feel free to call/e-mail us with support questions!

Contact information is at the bottom of the page or e-mail by clicking the button above.

Reduction of Hazardous Substances (RoHS)

We are in the process of converting all of our manufacturing over to RoHS compliant.

The RoHS status of every product is noted on the Products page.

Statement on RoHS, Lead-Free, and Proposition 65 Compliance

Lighting Products

If you'd like to learn more about the DMX Protocol and uses for it, a very good web site is DMX512-Online run by Ujjal Kar. There is also an official FAQ at USITT. The complete specification for DMX512-A is contained in the ANSI E1.11-2008 standard which is available from the ANSI Web Store.

4201-B, stellarDMX DMX Controller and MIDI adapter

The 4201-B may be used in many different ways; we will assist you in getting your system set up and working. We’ll even write simple macro files for you if needed and ship units with macros, settings already loaded.

USB connections to Mac OS X and Linux systems now work with no adapters. We recommend USB connections whenever possible.

MIDI connections require our MIDI to RS-232 adapter which plugs in and is powered by the 4201-B. The MIDI adapter requires version 2.10 or later firmware in the 4201-B, other than that there is no special software needed.

The Model 4201-B may be controlled directly from any application or programming language on any machine that can talk to an RS-232 or MIDI port. The USB interface lets a Windows, OS-X, or Linux computer see the 4201-B as a normal RS-232 port, so no software changes are needed to use either the RS-232 port or the USB port on those systems.

The 4201-B allows setting a slower frame rate for use with low cost dimmers, if you have flickering problems try setting the frame rate to 20 (hex) using the “N” command.

MIDI capable Firmware, version 2.19 See the manual for the version you currently have for firmware update instructions.

New in this version, ^P adds soft patching for all 512 channels (works with or without stellarConsole). Also the ^D and ^F commands have changed slightly.

Also includes MIDI functions including fading to presets using the fade time stored by stellarConsole. Now you can set up your show with stellarConsole, copy it over to the 4201-B, and then run it with your MIDI sequencer. New macro command has been added to make it easier to step through presets and use all 8 User inputs with switches.

4201-B Instruction Manual, version 2.19

Manuals for older versions

All files included on 4201-B CD including previous firmware versions.

Utilities

stellarConsole, Version 1.7.5, a 24 channel control program for Windows, OS X, Linux. Recently added features are soft patching, naming faders, and moving faders in groups. This will also save your cues and fade times to non-volatile presets in the 4201-B for later access by a macro or MIDI command.

The above program is courtesy of ChromaKinetics.

For Mac and Windows users who don't have a serial terminal program, Cool Term by Roger Meier works and is free. The only problem we've seen with this is in Windows if the serial port has been opened by another program such as HyperTerm, the computer will have to be rebooted before CoolTerm will open the port. Version below is 1.2.0.

CoolTerm for Windows

CoolTerm for Mac

For Linux systems we use GtkTerm.

Handy utilities to convert MIDI files to/from text files. Allows creating/editing MIDI files with a text editor. Windows only, source files included. MIDI-MTX

Application notes

Decimal to Hex conversion Table

Percent to Hex conversion Table

Using sliders (potentiometers) with the 4201-B

Lighting a sculpture without a computer

Museum/kiosk display without a compute

Interfacing to computerized architectural lighting systems

4200, 4201, 4201a

These models have been replaced with the 4201-B. The 4201-B supports most of the functions of the 4200, 4201, and 4201a products but not all. Most importantly, the SmartLight™ Theater Lighting Software from Edgeview Software LLC does not currently support the “B” version, it has been discontinued. The free stellarConsole program above is the new replacement for it.

Support files for the superseded Model 4201a



DMX512 Controlled 4-Channel DC Dimmer

Our DC Dimmer has been upgraded to Version 2 which now features Isolated and Protected DMX input, 8 and 16 bit dimming, and many special order options including ModBus control, dedicated stepping motor version, and pre-programmed lighting sequences.

Version 2 Dimmer Instruction Manual

DMX Stepping Motor Video (10 MB) of a stepping motor being controlled over DMX512 using our standard DC Dimmer.



The following manual is for the original version only.

Original Version Dimmer Instruction Manual


Isolated Four Output DMX512 Splitter


The splitter is pretty straight forward; the manual should cover everything needed.

Splitter Manual


Pyrotechnic Products

HHIS-1CH

A one channel, hand held ignition system for pyrotechnic, special effects, and rocket use. It features a pyro-safe ohmmeter, a capacitor discharge firing system, and even a white LED flashlight.

HHIS-1CH User/Instruction Manual, Version 2



Durand Interstellar, Inc.
219 Oak Wood Way Los Gatos, California 95032-2523 USA
Ph: +1 408 356-3886 USA toll free: 1 866 356-3886
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