Manual (PDF)

 Price List

 All Products

 DMX512-I/O

    MIDI Control

    MIDI Generator

    MIDI GenIO

    RS-232 Control

    RS-232 Generator

    RS-232 GenIO

    USB Control

    USB Generator

    Ethernet Control

    Ethernet GenIO

 MIDI/Serial

    RS232/RS422 Converter

    MIDI / RS422 Expander

    MIDI / Serial Converter


 Application Notes

 Impressum

Ethernet / DMX512 Generator

Preferred range of use:

The Ethernet / DMX512 Control Box is primarily developed as an Ethernet server for control of DMX512 - based lighting installations

It is a reduced version of the Ethernet /DMX512 Control Box without a DMX input. The capabilities of DMX transmission are almost equivalent.

front panel view
picture similar

Command-/Control interface:

In contrast to proprietary control equipment the Ethernet / DMX512 Generator can be operated with any client software which is able to send and receive ASCII text TCP/IP coded via Ethernet (Telnet compatible). Additionally, an UDP server mode is implemented.

Alternatively the Generator may be operated with binary commands formatted as MIDI channel messages. Because Ethernet works baudrate independent, this binary data format is also well applicable to control the Generator by PLC or similar equipment, which has few or no capabilities to convert numeric values into ASCII text.

In a most simple case - preferably for setup or debugging of installations - manual and interactive operation by keyboard and Telnet terminal is possible.

Data traffic is signalled with the red/green duo-LED "Data", which shows the active mode of operation, too. Whenever the Generator is in TCP "connected" state, the blue LED "TCP" is on.

Additional features:

In certain positions of the code switch the "DMX-OUT" connector is operating as a bidirectional serial interface.
By means of a special adaptor cable (optional accessory) it can be connected with a standard RS-232 port.
Using another differently configured adaptor cable (optional), a standard MIDI interface is provided.

This way the following special functions are available:

  • Application specific configuration of the Generator: individual setup of network parameters (IP addressing, ports), baudrates and timing parameters via RS-232 or via Ethernet/Telnet (default IP at delivery 192.168.0.240).

  • Use as Ethernet client with RS-232 or MIDI input.

  • Bidirectional transmission of MIDI data via Ethernet incl. possibility of format transformation RS-232/ASCII <--> MIDI.

  • With these features, the Ethernet / DMX512 Generator is useful as a low cost counterpart to access the Ethernet / DMX512 Control Box from "legacy" client hardware (like PLC, MIDI sequencers, media controllers without Ethernet feature) via Ethernet.

The most essential commands for DMX control:

  • Any DMX channel 1 to 512 can be set to any level by sending a short sequence of ASCII text to the Generator (8 bit of resolution).

  • Any DMX channel 1 to 512 can be set arbitrarily by means of a single or several MIDI channel messages (one MIDI message results in up to 8 bit resolution).

  • Alternatively upload of bigger blocks of DMX data is possible in a compact binary format.

  • For any DMX channel a fade ramp can be executed automatically, duration programmable up to 31 seconds. This diminuishes the expense of programming considerably. Any number of fade processes can be active simultaneously on all DMX channels. When a new preset (=lighting scene) is loaded, a soft fade is performed from the actual scene into the new one.

  • One ASCII or MIDI command can poll the levels of 1 to 16 successive DMX channels of the recently transmitted DMX packet via Ethernet.

  • The actual state of the Ethernet / DMX Generator (transmit buffer, some mode of operation) can be saved permanently as a preset (=lighting scene). Up to 100 presets can be stored and be reloaded at any time. During power-on always preset no.0 is loaded.

  • The cycle of DMX data packets can be set by command between 24 and 512 channels. If a DMX channel out of the active DMX cycle is adressed, the packet length is readjusted automatically.

DMX interface:

equiped with a 5 pin XLR connector in compliance with the DMX standard:

rear panel view with XLR connector

The DMX output is not galvanically isolated from the controller electronics.

The serial (MIDI-)input however, which is active at some positions of the code switch, is opto-isolated.
In modes of non-DMX operation following serial baudrates are selectable: 9600, 19200, 38400, 57600, 115200 and MIDI(31250) - all use byte format 8N1 without handshake.

Ethernet interface:

Standard RJ45 connector, automatic configuration to 10 rsp. 100 Mbit/s, due to kind of network.

Power supply:

An in-plug adaptor for 230V AC with "europlug" is delivered along with the DMX Generator. Other supplies with regulated or unregulated DC output can be used (min. current output 300 mA). The supply voltage range is 8 to 30 Volt.

Electromechanical Features:

Rugged aluminum case.
Mechanical dimensions: length 10.5 cm (except connectors), width 11.3 cm, height 3.1cm.


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Manual of the Ethernet / DMX512 Generator
     (PDF format)


* State of information November 2009. Right of technical modifications reserved.
* This description is for information only, no product specifications are assured in juridical sense.
* Trademarks and product names cited in this text are property of their respective owners.