DMX-512
The DMX-512 input on the Br-miniBrick8 is active ONLY when the RS-232 serial
cable is not connected. The DMX-512 output is disabled if the RS-232 serial cable is
attached AND you send any serial command to the Br-miniBrick8 that generates a serial
response (requesting ʻstatusʼ or entering configuration). Sending show requests and
most other commands donʼt affect the DMX-512 output.
Note that DMX-512 output is available only on hardware versions 3.1 or greater and
firmware revisions 3.07 and later of the Br-miniBrick8. Version 3.0 Br-miniBrick8s can
be modified to output DMX at the Gilderfluke factory by updating the firmware and add-
ing two wire jumpers.
DMX-512 is the serial data standard used to control ALL professional theatrical light-
ing equipment.
Press the ʻ bʼ key to select the mode of operation for the DMX-512 port. Your choices
are:
1. DMX-512 Receive
2. DMX-512 Transmit (PCB version 3.1 or later only)
3. DMX-512 Transmit (w/checksums) (PCB version 3.1 or later only)
When used as an input, The DMX-512 terminals accept standard DMX-512 data
from any source of DMX-512 data. This DMX-512 can come from a lighting control
board, Br-SmartMedia, BsBrain4, Sd-50, or any other source of DMX-512. The Br-
miniBrick8 will accept data with or without GilderChecksums. If receiving GidlerCheck-
sums, the Br-miniBrick8 will not update its outputs on any DMX-512 packet that con-
tains an error.
When used as an output, the Br-miniBrick8 can send up to sixty-four channels
worth of DMX-512 data to control dimmers, wiggle lights, smog machines, strobe lights,
or any other devices which accept DMX-512 data.
If used to send DMX-512 data to any Gilderfluke devices (other Br-miniBrick8s,
SER-DMX, etc.), the GilderChecksums can be enabled to assure that the data is re-
ceived perfectly before it is used.
When GilderChecksums are not enabled, DMX-packets will be 512 channels in
length. This will allow frame rates up to about 40 FPS. If GilderChecksums are enabled,
the the DMX-512 packets will normally be limited to 256 channels (plus two channels for
the GilderChecksums) unless the data stored on the eeprom extends past the 256th
channel. This will cause the packets to be 512 channels in length.
Firmware revisions 3.20 and later of the Br-miniBrick8:
All GilderGear uses the eight individual bits in a channel of DMX-512 data as eight
digital outputs. Lighting boards canʼt do this. They can only send analog values in each
DMX-512 channel. They have to use a whole DMX-512 channel to do just one digital.
Values above 50% turn the output ʻ ONʼ. Press the ʻcʼ key to toggle between the
Gilderfluke-style digitals and ʻanalogʼ style digitals that lighting boards use. The digitals
will be assigned to the eight consecutive DMX-512 channels after the ʻDMX addressʼ
(set above). The two ServoMotor outputs will be on the next two DMX-512 channels.
Exit Configuration
Press the ʻxʼ key, or the ʻConfig Doneʼ button on GilderTerm to exit configuration.
Gilderfluke & Co.• 205 South Flower Street • Burbank, California 91502 • 818/840-9484 • 800/776-5972 • fax 818/840-9485
Br-miniBrick8 v3.+ Manual / 8/17/12 / page 13 of 36
(42 pages)
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