Gilderfluke&Co DMX-512 User Manual

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BS-DMX-Tx & BS-Serial Smart Bricks

Printed March 24, 2000

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BS-Serial as a Remote Terminal Unit (RTU) ........................................................................ 7

BS-DMX-Tx or BS-Serial as a Smart Brick .......................................................................... 7

Front of the BS-DMX-Tx or BS-Serial Smart Bricks ......................................... 9

RS-422 Serial Port ............................................................................................................ 9

PC and Compatible Connections ................................................................................ 9

Apple Macintosh Connections ..................................................................................... 9

Board Error LED ................................................................................................................9

DMX-512 LED ....................................................................................................................9

Brick Heart ....................................................................................................................... 9

Heartbeat ......................................................................................................................... 9

Z-Brick ............................................................................................................................ 10

BackPlane Connections ....................................................................... 11

Animation Data Eproms ........................................................................ 13

BS-DMX-Tx or BS-Serial Smart Bricks Configuration .................................... 15

BS-DMX-Tx .......................................................................................... 16

BS-Serial in MIDI Mode .......................................................................... 17

First Addressed in Eprom ............................................................................................... 18

Baud Rate ....................................................................................................................... 18

DMX Rx Checksum ......................................................................................................... 18

Sequencer Enabled ........................................................................................................ 19

Frame Rate /2 ................................................................................................................. 19

Numbering System ......................................................................................................... 19

VT-52 Compatible Display .............................................................................................. 19

Operating Mode ............................................................................................................. 19

Monitor Channel ............................................................................................................ 19

MIDIÊKeyboard Channels .............................................................................................. 20

Voice, Press Velocity, and Release Velocity .................................................................. 20

String Trigger Channel ................................................................................................... 21

Edit Strings..... ............................................................................................................. ... 21

Download configuration ................................................................................................ 21

Reload Default Configuration ........................................................................................ 21

Upload configuration ..................................................................................................... 21

Data Dump ..................................................................................................................... 22

BS-Serial in Intelix Mode ........................................................................ 23

First Addressed in Eprom ............................................................................................... 23

Baud Rate ....................................................................................................................... 23

DMX Rx Checksum ......................................................................................................... 23

Sequencer Enabled ........................................................................................................ 24

Frame Rate /2 ................................................................................................................. 24

Numbering System ......................................................................................................... 24

VT-52 Compatible Display .............................................................................................. 24

Operating Mode ............................................................................................................. 24

String Trigger Channel ................................................................................................... 25

Edit Strings..... ................................................................................................................ 26

Download configuration ................................................................................................ 26

Reload Default Configuration ........................................................................................ 26

Upload configuration ..................................................................................................... 26

Data Dump ..................................................................................................................... 26

BS-Serial in Rexroth Quick Write Mode ..................................................... 27

First Addressed in Eprom ............................................................................................... 27

Baud Rate ....................................................................................................................... 27

DMX Rx Checksum ......................................................................................................... 28

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Sequencer Enabled ........................................................................................................ 28

Frame Rate /2 ................................................................................................................. 28

Numbering System ......................................................................................................... 28

VT-52 Compatible Display .............................................................................................. 28

Operating Mode ............................................................................................................. 28

Monitor Channel ............................................................................................................ 29

Rexroth Channels.... ...................................................................................................... 29

Analog Resolution .......................................................................................................... 30

String Trigger Channel ................................................................................................... 30

Edit Strings..... ................................................................................................................ 30

Download configuration ................................................................................................ 31

Reload Default Configuration ........................................................................................ 31

Upload configuration ..................................................................................................... 31

Data Dump ..................................................................................................................... 31

BS-Serial in Orpan Modes ...................................................................... 32

First Addressed in Eprom ............................................................................................... 33

Baud Rate ....................................................................................................................... 33

DMX Rx Checksum ......................................................................................................... 33

Sequencer Enabled ........................................................................................................ 33

Frame Rate /2 ................................................................................................................. 33

Numbering System ......................................................................................................... 33

VT-52 Compatible Display .............................................................................................. 33

Operating Mode ............................................................................................................. 33

Monitor Channel ............................................................................................................ 34

String Trigger Channel ................................................................................................... 34

Edit Strings..... ................................................................................................................ 34

Download configuration ................................................................................................ 35

Reload Default Configuration ........................................................................................ 35

Upload configuration ..................................................................................................... 35

Data Dump ..................................................................................................................... 35

BS-Serial in Moog Modes ....................................................................... 36

Moog Control Word ................................................................................................... 37

E-Stop ................................................................................................................. 37

Park .................................................................................................................... 37

Engage .............................................................................................................. 37

Start ................................................................................................................... 37

Reset .................................................................................................................. 38

Inhibit ................................................................................................................. 38

First Addressed in Eprom ............................................................................................... 38

Baud Rate ....................................................................................................................... 38

DMX Rx Checksum ......................................................................................................... 38

Sequencer Enabled ........................................................................................................ 38

Frame Rate /2 ................................................................................................................. 38

Numbering System ......................................................................................................... 39

VT-52 Compatible Display .............................................................................................. 39

Operating Mode ............................................................................................................. 39

Motion Base ID ............................................................................................................... 39

Monitor Channel ............................................................................................................ 39

Moog Status on DMX ...................................................................................................... 40

Analog Resolutions ........................................................................................................ 41

String Trigger Channel ................................................................................................... 41

Edit Strings..... ................................................................................................................ 41

Oversampling ................................................................................................................ 42

Download configuration ................................................................................................ 42

Reload Default Configuration ........................................................................................ 42

Upload configuration ..................................................................................................... 42

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Data Dump ..................................................................................................................... 42

Using Z-Bricks with a BS-DMX-Tx or BS-Serial Smart Bricks ........................... 43

Output Capacity ....................................................................................................... 44

Decimal to HEXadecimal to ASCII to Percentage ...................................... 47

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Overview

The BS-DMX-Tx and BS-Serial are two different Smart Bricks that are built on the same chasis. They are both used to store animation and lighting data which is transmitted as a DMX-512 or serial data stream. The BS-Serial is an upgraded version of the BS-DMX-Tx that has a second serial port. It transmits DMX-512 data as well, but can simultaneously transmit serial data in a number of different formats. It has dedicated modes for controlling MIDI devices, Moog Motion Bases, Intelix matrix mixers, Rexroth DCC Servo cards, and more. The second serial port can be set to operate at baud rates from 2400 baud to 115 Kbaud.

Both the BS-DMX-Tx and BS-Serial output cards feature a single DMX-512 output and a port for attaching Z-Bricks. They are designed to be used as an output card for use in a PC¥MACs system, or as a playback only Smart Brick in a Smart Brick installation. They can be used in two different ways:

1) BS-Serial as a Remote Terminal Unit (RTU): Because the BS-DMX-Tx does not check for validity on this received data before using it to update its outputs, this is not a recommended mode of operation for the BS-DMX-Tx. In this mode the BSSerial receives up to 256 channels of DMX-512 data transmitted by a PC¥MACs Animation Control System, or any other source of DMX-512 data. The BS-Serial card uses this data to update its outputs. The DMX-512 input allows the BS-Serial Bricks to be used as a permanent output device for a PC¥MACs, or the DMX-512 input can be used temporarily until an Eprom is programmed so the cards can be used as a Smart Bricks.

2) BS-DMX-Tx or BS-Serial as a Smart Brick: These card acts just like any other Playback-Only Smart Bricks, playing animation data from on-board Eprom(s). As Smart Bricks, they require a Smart Brick Brain to run. The Smart Brick Brain tells all of the Smart bricks attached to it (including the BS-DMX-Tx or BS-Serial Smart Bricks) where in the show it is at any given instant. The BS-DMX-Tx or BS-Serial Smart Bricks then use this information to access the appropriate data in the Eprom(s) and update their outputs. The Eprom data from a BS-DMX-Tx will always start at DMX address 0. The BS-Serial allows you to offset the start of the Eprom data to any of the first 256 DMX addresses. The animation sequence which is to be is used on the BS-DMX-Tx or BS-Serial Smart Bricks is usually generated on a PC¥MACs Animation Control System. While it is being generated, the DMX-512 input mode is used so that you can see the animation data.

In either of the above modes, all 256 channels of DMX-512 or Eprom data are transmitted through the Z-Brick and/or DMX-512 data outputs. The Z-Brick output can be used for additional digital outputs through one or more Z-Bricks. The DMX-512 output can be used to control light dimmers, automated spotlights, color changers, fog and wind machines, or any other pieces of equipment which will accept standard DMX-512 inputs.

The BS-DMX-Tx or BS-Serial Smart Bricks can be mounted in one 1Ó wide slot in any of our Brick Card cages. The BS-DMX-Tx or BS-Serial Smart Bricks can be used in conjunction with any selection of Smart Bricks, Smart Brick Brains, Electronic FeedBack (EFB) Smart Bricks and Z-Bricks in the same card cage. Card cages with one, two, three or sixteen slots are available. The card cages provide all of the connections for power supply, control signals and

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outputs that any Brick card will need. Several different styles of output connectors are available on the one and two slot card cages. The sixteen slot card cage mounts in seven inches of standard 19Ó rack space (4-1/2 Ò of space behind the panel).

Power requirements for each BS-DMX-Tx or BS-Serial Smart Bricks are 9 to 24 VDC. The BSDMX-Tx or BS-Serial Smart Brick itself draws approximately 200 ma..

The DMX-512 standard was developed by the United States Institute for Theatrical Technology (USITT) for a high speed (250 KBaud) asynchronous serial data link. Although it was originally designed for controlling light dimmers, it is now supported by hundreds of suppliers throughout the world for controlling all kinds of theatrical equipment.

Even though the DMX-512 standard calls for up to 512 channels of data, the DMX transmission from PC¥MACs is limited to 256 eight bit wide channels. You can address your DMX-512 compatible output devices to respond to any address between 00 and 255. Addresses above the 256th are used in PC¥MACs for transmitting a checksum. The BS-DMXTx or BS-Serial Smart Bricks can use this to verify that the data received from PC¥MACs has no transmission errors in it. If you address a light dimmer or other DMX-512 device to addresses 256 or 257, you will see this verification data displayed as a flickering pattern.

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On the Front of the BS-DMX-Tx or BS-Serial Smart Bricks:

A) RS-422 Serial Port: This is used to configure the BS-DMX-Tx or BS-Serial Smart Bricks. It is com-

patible with all of the RS-422 Serial Ports used on Gilderfluke & Company products.

The serial data signals from the BS-DMX-Tx or BS-Serial Smart Bricks are brought out on a six position RJ-11 (modular telephone style connector). Facing the end of the cable with the release latch upwards, its pin out is as follows:

COLOR SIGNAL NAME:

LEFT #1 white Signal Ground

#2 black - Serial data out from card

#3 red + Serial data out from card #4 green - Serial data in to card #5 yellow + Serial data in to card

RIGHT #6 blue Ground to force into configuration

PC and Compatible Connections: To cross wire the RS-422 / RS-485 signals from the BSDMX-Tx or BS-Serial Smart Bricks to the RS-232 serial port of an IBM compatible, cross connect the signals as follows:

DB-25 DE-9 Signal Signal from/to BS-DMX-Tx/BS-Serial Bricks

2 3 DATA OUT - Serial data into card (#4 green) 3 2 DATA IN - Serial data out from card (#2 black) 7 5 GROUND Signal Ground (#1 white or #6 blue)

Apple Macintosh Connections: Apple Macintosh computers have true RS-422 serial ports built in. To connect to the BS-DMX-Tx or BS-Serial Smart Bricks, the pin out is as follows (view is of male connector facing the end of the cable):

The BS-DMX-Tx or BS-Serial Smart Bricks expect to see the serial data in the following format:

ONE START BIT

EIGHT DATA BITS

ONE STOP BIT

Unlike many of the products manufactured by Gilderfluke & Company, the BS-DMX-Tx or BS-Serial Smart Bricks will enter configuration immediately upon when the sixth wire is grounded. The serial port connection on the front of the BS-DMX-Tx or BS-Serial are not connected to the standard serial port buss used on the backplanes by BS-ANA, BS-BRN and other Gilderfluke Cards. Configuration is always done at 9600 baud, no parity, 8 bits, one stop bit.

B) Board Error LED: This LED will flash when:

1) BS-DMX-Tx or BS-Serial Smart Brick just booted

2) An error is found in the DMX-512 data checksum (if receiving DMX-512 data). If this and the DMX-512 LEDs donÕt turn off, then you are probably sending a DMX-512 stream to the card that doesnÕt have a checksum in it.

3) An error is found in the Smart Brick Network checksum (if receiving Smart Brick Network data)

C) DMX-512 LED: This LED will be lit when the BS-DMX-Tx or BS-Serial Smart Bricks is receiving DMX-

512 data.

D) Brick Heart: The heartbeat from the Smart Brick Brain is transmitted throughout the system

over the Smart Brick Network. The presence of a healthy heartbeat means that the data on the Smart Brick Network is getting through cleanly. If it ever stutters or flashes erratically (or not at all), then there is a problem with the Smart Brick Brain, the Smart Brick Network, or the BSDMX-Tx or BS-Serial Smart Bricks. As the DMX-512 takes precedence over the Smart Brick Network, this LED will go dark whenever a DMX-512 signal is present.

E) Heartbeat: This LED Flashes continuously while the CPU is running. If it ever stops for more than

a fraction of a second, the 'Deadman' circuit in the BS-DMX-Tx or BS-Serial Smart Bricks will au-

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tomatically reset the CPU. While performing an Ease-In, the heart rate will double.

F) Z-Brick: This twenty pin IDS connector is used to connect to one or more Z-Bricks. When en-

abled, the BS-DMX-Tx or BS-Serial Smart Bricks puts out data from the DMX-512 input or onboard Eprom to this connector. The format of the data is as follows:

IDS pin # SIGNAL

1 Data bit 0 2 Data bit 1 3 Data bit 2 4 Data bit 3 5 Data bit 4 6 Data bit 5 7 Data bit 6 8 Data bit 7

9 Address bit 0 10 Address bit 1 11 Address bit 2 12 Address bit 3 13 Address bit 4 14 Address bit 5 15 Address bit 6 16 Address bit 7 17 ground 18 ground 19 Strobe/ 20 Reset/

When the address and data lines are valid, the rising edge of the Strobe line will latch the

data into the addressed outputs.

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BackPlane Connections:

The BackPlane connection is through a sixty position double sided edge connector (thirty connections on each side on .1Ó centers). This normally is plugged into a card cage, but can also be used with an IDS or other discrete edge connector.

The first ten positions are used for the Smart Brick network and RS-422 serial port used by other cards in the system. They are normally bussed between all of the cards in the card cage (although they can be separated by cutting the lines if desired). The BS-DMX-Tx and BS-Serial do not use these bussed serial port lines.

The next forty positions are used to connect the BS-DMX-Tx or BS-Serial Smart Bricks to the output cabling. It is on these pins that most of the I/O connections are made.

The last ten positions are used to provide power to the BS-DMX-Tx or BS-Serial Smart Bricks. These wires are ganged to provide a higher current carrying capacity. The pinout of this connector is as follows:

output wire # Edge pin #color wire function

Smart Brick net #2 1 black Smart Brick Network Data/ into BS-DMX-Tx or BS-Serial Smart Bricks Smart Brick net #1 2 white Smart Brick Network Data into BS-DMX-Tx or BS-Serial Smart Bricks Smart Brick net #3 3 red Smart Brick Network Clock into BS-DMX-Tx or BS-Serial Smart Bricks

Serial Port #3 4 red TxD + out (not used by BS-DMX-Tx or BS-Serial Smart Bricks)

Smart Brick net #4 5 green Smart Brick Network Clock/ into BS-DMX-Tx or BS-Serial Smart Bricks

Serial Port #2 6 black TxD - out (not used by BS-DMX-Tx or BS-Serial Smart Bricks)

Smart Brick net #5 7 yellow Smart Brick Network Strobe into BS-DMX-Tx or BS-Serial Smart Bricks

Serial Port #5 8 yellow Rx + in (not used by BS-DMX-Tx or BS-Serial Smart Bricks)

Smart Brick net #6 9 blue Smart Brick Network Strobe into BS-DMX-Tx or BS-Serial Smart Bricks

Serial Port #4 10 green Rx -in (not used by BS-DMX-Tx or BS-Serial Smart Bricks)

Ribbon cable #1 11 brown DMX-512 ground Ribbon cable #2 12 red DMX-512 Rx - into BS-DMX-Tx or BS-Serial Smart Bricks Ribbon cable #3 13 orange DMX-512 Rx + into BS-DMX-Tx or BS-Serial Smart Bricks Ribbon cable #4 14 yellow DMX-512 Tx - out of BS-DMX-Tx or BS-Serial Smart Bricks Ribbon cable #5 15 green DMX-512 Tx + out of BS-DMX-Tx or BS-Serial Smart Bricks Ribbon cable #6 16 blue Ribbon cable #7 17 violet Ribbon cable #8 18 gray Ribbon cable #9 19 white

Ribbon cable #10 20 black

Ribbon cable #11 21 brown RS-422 ground Ribbon cable #12 22 red RS-422 Serial Port Rx - data into BS-DMX-Tx or BS-Serial Smart Bricks Ribbon cable #13 23 orange RS-422 Serial Port Rx + data into BS-DMX-Tx or BS-Serial Smart Bricks Ribbon cable #14 24 yellow RS-422 Serial Port Tx - data out of BS-DMX-Tx or BS-Serial Ribbon cable #15 25 green RS-422 Serial Port Tx + data out of BS-DMX-Tx or BS-Serial Ribbon cable #16 26 blue Ground to force BS-DMX-Tx or BS-Serial into configuration mode Ribbon cable #17 27 violet Ground to force BS-DMX-Tx or BS-Serial into configuration mode Ribbon cable #18 28 gray Ribbon cable #19 29 white Ribbon cable #20 30 black

Ribbon cable #21 31 brown MIDI n/c (MIDI DIN pin #3) Ribbon cable #22 32 red MIDI Tx - (MIDI DIN pin #5) Ribbon cable #23 33 orange MIDI ground (MIDI DIN pin #2) Ribbon cable #24 34 yellow MIDI Tx + (MIDI DIN pin #4) Ribbon cable #25 35 green MIDI n/c (MIDI DIN pin #1)

1

Errata: These pinouts were reversed in earlier editions of this manual. The pinout shown now has been corrected. The Left side pin of R1 must be connected to GROUNDÊon the BS-Serial. This is the leftmost of the two holes it can go into.

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Ribbon cable #26 36 blue Ribbon cable #27 37 violet Ribbon cable #28 38 gray Ribbon cable #29 39 white Ribbon cable #30 40 black

Ribbon cable #31 41 brown Ribbon cable #32 42 red Ribbon cable #33 43 orange Ribbon cable #34 44 yellow Ribbon cable #35 45 green Ribbon cable #36 46 blue Ribbon cable #37 47 violet Ribbon cable #38 48 gray Ribbon cable #39 49 white Ribbon cable #40 50 black

n/a 51 black power supply ground n/a 52 black power supply ground n/a 53 black power supply ground n/a 54 black power supply ground n/a 55 black power supply ground n/a 56 red + power supply input n/a 57 red + power supply input n/a 58 red + power supply input n/a 59 red + power supply input n/a 60 red + power supply input

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Animation Data Eproms:

The Eproms used for all all of the 'Brick' products manufactured by Gilderfluke & Company have traditionally each contained one channel (eight bits) worth of data. The Eproms used on the BS-DMX-Tx or BSSerial Smart Bricks, BS-ANA, EFB Smart Brick and RTU/FSK Units for storing animation data each carry a number of channel's worth of data. The first four bytes also contain the frame rate, number of channels and the length of the first show in the Eprom.

These are generated on a PC¥MACs system by:

1) Selecting the 'Save as Eprom...' command from the 'File' pulldown.

2) Check on the 'Multi Channel' checkbox

3) Set the 'start' and 'end' boxes to set the number channels you want to go into this multiple Eprom file. A BS-DMX-Tx or BS-Serial Smart Bricks can hold anywhere from one to all 255 channels. Be sure to allow for enough extra channels for any Z-Bricks that might be attached to the BS-DMX-Tx or BS-Serial Smart Bricks. When creating Eproms for a BS-DMX-Tx, the ÔstartÕ is usually set to Ô00Õ. When preparing Eproms for a BS-Serial, the ÔstartÕ can be set to any value. The ÔFirst Address in EpromÕ value is set to equal the ÔstartÕ value that is used when creating the Eprom files.

4) Use the ÔAddÕ button to select any additional show you would like to be saved into this Eprom file set.

5) Use the ÔPromoteÕ and ÔDemoteÕ buttons to move selected show(s) into the order you would like to save them in the Eprom.

6) Normally you will want to select the ÔCalculate Brick Start FramesÕ checkbox to allow PC¥MACs to automatically calculate the offset into the Eproms needed for the shows you are saving. If you would like to preserve the ÔStart frameÕ values in the show files, also check the ÔSave Brick StartsÕ checkbox.

7) If you are not using the PC¥MACs calculated ÔBrick StartsÕ, you will have had to set these individually for each show under its File/Show Information dialog. If they are set improperly, PC¥MACs will tell you if any of the shows are overlapping during the build. When using ÔBrick StartsÕ that you have entered, PC¥MACs can pad the space between the shows with the default values for the movements if you have checked the ÔPad With Default ValuesÕ checkbox.

8) Press the ÔBuildÕ button to begin the saving process. A standard file save dialog will open. Name the file as desired. (it defaults to the name of the first show in the list). PC¥MACs will warn you if a file already exists with this name. Hit OK to save the data to a file.

Once the shows have been saved to the multiple show file, you can burn them into Eprom(s) using any Eprom programmer that supports 27C010 through 27C080 Eproms. The BS-DMX-Tx or BS-Serial Smart Bricks each hold a single 27C010, 27C020 or 27C040. If using 27C080 Eproms, you can use up to eight of these chips on each BS-DMX-Tx or BS-Serial Smart Brick. If more than eight 27C080s are needed, then a memory expansion card can add the capacity for a total of up to fifteen 27C080 Eproms or a single PCMCIA flash card.

If you press the ÔReportÕ button, PC¥MACs will display the information about the Eprom set you just saved. This information is also saved in a text file with the same name as the Eproms, but with the extension of Ô.setÕ. You can open this file with any text editor like Notepad or Wordpad. The numbers shown for ÔBrick startÕ and ÔBrick endÕ are what you need to enter into the Smart Brick Brain to set the start and end of each show. The ÔEprom startÕ and ÔEprom endÕ are the actual locations of the shows in the Eprom set. The number shown for the ÔEprom EndÕ for the last show in this file set is the last byte which will be saved into the Eprom. If your Eprom is smaller than this number, you will need to use more than a single Eprom. The capacities of all of the large Eproms are as follows:

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Eprom type Total number of bytes

27C010 131,072 27C020 262,144 27C040 524,288 27C080 1,048,576

Note that at least one show must be loaded starting at a 'Brick Start' of 0, even if it is only a frame or two long. PC¥MACs will use this first show to set the frame rate and number of channels stored in the multiple channel Eprom. The BS-DMX-Tx or BS-Serial Smart Brick need this information to index into the Eprom.

If the data sent out from an Eprom BS-DMX-Tx or BS-Serial has shifted compared to what you saw when you were sending the card DMX data, It is an indication that the ÔstartÕ was set improperly when the Eprom file set was saved. On a BS-DMX-Tx, the first byte of data in the Eprom is output in DMX-Channel Ô00Õ. When saving the Eprom from PC¥MACs, always set the ÔStart ChannelÕ to Ô00Õ. The channels output will then be exactly what you saw when you were programming.

On the BS-Serial, the offset is a question of the address set for the ÔFirst Address in EpromÕ and the channel used for the ÔStart ChannelÕ when saving the Eproms from PC¥MACs. The EpromsÕ data can start at any ÔStart ChannelÕ that you would like. Data from the Eprom will be offset by the ÔFirst Address in EpromÕ value. These two should be set to the same value if you want the data to appear as it was when you were programming. DMX-512 devices and Z-Bricks that are addressed below the ÔFirst Address in EpromÕ will receive Ô00Õ values, as will any addresses after the end of the data in the Eprom(s).

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BS-DMX-Tx or BS-Serial Smart Bricks Configuration:

To communicate with the BS-DMX-Tx or BS-Serial Smart Bricks through the serial port, you can use just about any computer or terminal which has a serial port on it. Some newer computer designs, like the Apple Macintosh, come with serial ports which are directly compatible with the RS-422 / RS-485 signal levels the BS-DMX-Tx or BS-Serial Smart Bricks wants to see. These signal levels are close enough to be used with the RS-232 signal levels found on most older computers (like most IBMs and compatibles) with only a simple adapter cable, so long as the wire isn't too long. To gain the full advantage of the RS-422 / RS-485 signal levels you will need to use a signal level adapter like our 232conv-09.

If you are using a computer as a terminal you will need to run a modem or terminal emulation program. These will send everything you type on the keyboard out the serial port on your computer while printing on the screen anything which comes in from the BS-DMX-Tx or BS-Serial Smart Bricks through the serial port. Every copy of Windows 3.1 comes with TERM.EXE, which is just such a program. Windows Ô95 & Windows Ô98 comes with a (not quite as good) terminal program called ÔHyper TermÕ 2. Z-Term is available as shareware (free) from most bulletin board systems and users groups for Macintosh computers. A modem program will usually have the advantage over a terminal emulation program in that it will allow you to save data to your computer's disk drives and then send it back to the BS-DMX-Tx or BS-Serial Smart Bricks at a later date. The BS-DMX-Tx or BS-Serial Smart Bricks uses no screen control codes or ESCape sequences (unless VT-52 compatible mode has been enabled), so it should work on any machine with an eighty column by twenty-four line display. Machines with other display formats will work, but may not look so neat on the screen.

When configuring your modem program, you should set it for 9600 baud, 8 data bits, one stop bit and no parity. If your terminal emulation program supports VT-52 terminal emulation (they all do!), you should enable it. This will allow faster screen redraws if 'VT-52 compatible' mode is enabled on the BS-DMX-Tx or BS-Serial Smart Bricks. You should set your program NOT to insert an extra LineFeed (LF) character after each Carriage Return (CR) it receives. You should also tell it NOT to scroll automatically after the eightieth column is filled. If either of these are on, the screen will be displayed 'double spaced'. This won't cause any problem, but may make it hard to see the whole screen at one time.

If you have hooked up the BS-DMX-Tx or BS-Serial Smart Bricks to your computer and it still doesn't seem to respond to the keyboard, the first thing to check is that you are attached to the right serial port. The easiest way to do this is to disconnect the BS-DMX-Tx or BS-Serial Smart Bricks and short between the Tx data out and Rx data in pins on the serial port connector on the back of your computer. On all IBMs and compatibles this means sticking a piece of wire, paper clip, or similar tool between pins 2 and 3 on the 'Com.' connector. While still running the modem program, anything you type should be shown on the screen while this paper clip is in place, while nothing will appear when you remove it. If your computer passes this test, then you are using the right serial port and the problem is most likely the baud rate setting or in your wiring to the BS-DMX-Tx or BS-Serial Smart Bricks. If you get characters on the screen even with the paper clip removed from the serial port, it means you probably need to set the 'echo' mode to 'none' or 'full duplex' and try this test again.

To enter the configuration mode on a BS-DMX-Tx or BS-Serial Smart Brick, you need to ground the pin shown on the connection diagrams. This can be done on the backplane or the connector on the front of the card. Plugging in a six conductor modular cable from a Gilderfluke & Company RS-232 to RS-422 converter will automatically do this for you and put the card into configuration mode.

Configuration mode uses the same serial port as any string or other special outputs. Entering configuration mode will immediately stop the normal serial port outputs, force the card to 9600 baud, no parity, eight data bits and one stop bit.

All numeric values in configuration mode are entered in HEXadecimal (0-9, A through F) or Decimal numbers (0-9), as selected on the menu. Each number consist of one or more ASCII characters followed by a <RETURN> (<ENTER> on some keyboards). If more characters have been entered before the <RETURN> than are allowed, then the characters already entered will scroll to the left to make room for the new entries. Once a command has been invoked, characters can be erased one-by-one by using the <DELETE> key (<BACKSPACE> on some keyboards). An entire entry can be erased by hitting the <ESC>ape key. A command can be canceled altogether by hitting the <RETURN> key (<ENTER> on

2

If possible, copy Ôterm.exeÕ from your older PC and put it onto your Windows Ô95 or Windows Ô98

machine. After all, you probably already own it.

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some keyboards) or <ESC>ape key after all of the characters have been erased or before any have been entered.

If you want to keep a hard copy printout of the current configuration of the BS-DMX-Tx or BS-Serial Smart Bricks, you should use the <ESC>ape key to redraw the screen while saving the print in the modem program running on your computer. This file can then be printed out at any time.

To redraw the screen at any time, just press the <ESC>ape key or <SPACE> bar.

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BS-DMX-Tx

For a BS-DMX-Tx, the menu will appear as follows. There are no serial commands available on the BSDMX-Tx. The menu just allows you to see what sized Eprom (if any) is installed. If no Eprom is found, the Ônot foundÕ will appear in the place of the Eprom size.

EPROM: 18h channels @ 30 FPS / first show is 005Ah frames long

Enter Command-

DMX-512 data is always transmitted from the BS-DMX-Tx starting at DMX address zero. When you save the file to be programmed into the Eprom, be aware that no matter what ÔstartÕ address is used, the first channel will come out of the BS-DMX-Tx at address zero.

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BS-Serial in MIDI Mode

For a BS-Serial in MIDI mode, the menu will appear as follows. If an Eprom is found, the size of the first show is displayed at the top of the screen. If no Eprom is found, the Ônot foundÕ will appear in the place of the show size:

EPROM: 123 channels @ 30 FPS / first show is 12345 frames long

a) 1st address in Eprom- _10 b) baud rate- 9600 baud c) DMX Rx checksums- yes d) sequencer enabled- yes e) frame rate divided/2- no f) numbering system- decimal g) VT-52 display- yes h) operating mode- MIDI (set baud rate for MIDI!)

i) monitor channel- _10

j) MIDI keyboard channels- _11 thru _26 k) voice- 01, press vel- _64, release vel- _64 l) string trigger channel- _27 m) edit strings...

o) reload defaults....

r) download configuration....

Enter Command-

a) First Addressed in Eprom: Any DMX-512 data that is sent to the BS-Serial will be passed

through at the same address at which it was received. This command is used to offset the data from the on-board Eproms to match the addresses that were used when you were programming. As an example, if the outputs you are using start at 10, then you need to create the Eprom files set starting with a ÔstartÕ of 10 in the PC¥MACs program. When playing back from the BS-Serial, the data will need to be offset to Ô10Õ so that the channels are reproduced at the same locations where they were when you were programming.

b) Baud Rate: This command sets the speed at which serial data is sent out of the BS-SerialÕs seri-

al port when the card isnÕt in configuration mode. The baud rates available on the BS-Serial are:

1) MIDI baud rate (31,250 baud)

2) 2400 baud

3) 4800 baud

4) 9600 baud

5) 19.2 KBaud

6) 38.4 KBaud

7) 57.6 KBaud

8) 115.2 KBaud

The baud rate must be set to match the device you are trying to talk to. In the case of MIDIÊ devices, you need to make sure that the baud rate has been set to ÔMIDIÕ. As in the screen above, the BS-Serial will warn you if the baud rate has not been set properly. No matter what baud rate you select here, the configuration mode will always run at 9600 baud.

c) DMX Rx Checksum: This toggle is used to enable and disable the error checking in data re-

ceived through the DMX-512 data input. Without it, the BS-Serial Smart Brick won't be able to recognize errors in the incoming data, and may update the outputs with this bad data. It should be left ON whenever running from a PC¥MACs or other DMX-512 source that supports this checksum. All Gilderfluke & Company send this checksum. If this toggle is ON and the

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DMX-512 data received doesnÕt have the checksum in it, both the DMX LED and the ÔBoard ErrorÕ LED will be ON.

d) Sequencer Enabled: This toggle enables and disables the BS-Serial Smart Brick to use the

Animation Data Eprom. When it is OFF, nothing will be output even when the Smart Brick Network is active. If it is ON, then the data from the Animation Data Eprom will be sent out when the Smart Brick Network is active unless the BS-Serial is receiving DMX-512 data, which takes precedence.

e) Frame Rate /2: This toggle is used to drop the frame rate of the data being played back from

the Eproms or DMX-512 by half. This cuts the number of messages that are sent out the serial and DMX-512 ports by half. When controlling many serial devices, the limiting factor in the number of channels that can be controlled is often the amount of data you can jam through at the highest supported baud rates. A secondary advantage of slowing the frame rate by half is that the same sized Eprom can then hold twice the time as it otherwise could.

When this feature is used, the main part of the show is typically run at thirty FPS and the outputs from the BS-Serial will update at fifteen FPS. The show that is used to generate the Eprom data for a slowed BS-Serial Smart Bricks should be programmed at half the rate of the rest of the show. This is done by programming the show as normal, saving a duplicate, and then using the ÔShow InformationÕ dialog to drop the frame rate by half.

f) Numbering System: This toggle is used to select between HEXadecimal or Decimal numbering

systems for display and entries.

g) VT-52 Compatible Display: When this toggle is enabled, the BS-DMX-Tx or BS-Serial Smart Bricks

will use special escape sequences to clear the screen (<ESC>ape 'E'), clear the current line (<ESC>ape 'l'), or position the cursor (<ESC>ape 'Y' ROW COLUMN). When disabled, the BSDMX-Tx or BS-Serial Smart Bricks has to redraw the entire screen to change any value, so it can save a good deal of screen redraw time if you have a compatible display.

h) Operating Mode: This command us used to toggle through all of the modes that are available

to you on the BS-Serial. If you are just using the BS-Serial for sending serial strings or DMX-512 data, just leave the card in MIDI mode and donÕt set up any of the MIDI-Specific commands. As of this writing, the modes available on the BS-Serial are:

1) MIDI: Sends MIDI key on and key off commands

2) Intelix: Sends strings to control Intelix brand matrix mixers

3) Rexroth quick write: Supports serial control of Mannesmann Rexroth DCC Servo cards

4) Orpan (LSB first): One of two modes to support serial control of Orpan motion bases

5) Orpan (MSB first): One of two modes to support serial control of Orpan motion bases

6) Moog / DOF mode: One of two modes to support serial control of Moog electric motion bases

7) Moog / length mode: One of two modes to support serial control of Moog electric motion bases

i) Monitor Channel: This command is used to select a channel that is used to build up a serial

string byte-by-byte from the animation data, and then send it out at the appropriate time. It can be used to send any ÔspecialÕ commands you might need to send to the equipment being controlled by the BS-Serial. Any string of any length up to 256 bytes can be built up and sent using this feature. It is typically used to send commands to the serially controlled equipment that doesnÕt need to be sent regularly. Typical of these commands are initialization and de-initialization strings.

This command asks for the address of an eight bit value in the animation data. If you enter an address of 255/0FFh, this feature will be disabled. Once set (and configuration mode exited), the BS-Serial will begin monitoring this location for any non-zero values. Once it finds one non-zero value, it starts buffering whatever values it finds in this location in each subsequent frame of animation data into a buffer. If it then finds two consecutive frames of animation data with a zero value in them, it will then immediately send out the entire string that has been built up.

The advantage of using this mode of sending strings is that any string can be built up and

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sent from the animation data. The disadvantage of this feature is that it takes as one frame of time for each entry ion the string to be buffered in before it can be sent. A 200 character long string will take 202 frames of data to build up and send out. This translates to almost seven seconds at 30 FPS.

Data for these strings is typically hand entered using PC¥MACsÕ OffLine editing tools. The target channel may be defined as either a single eight bit analog or as eight separate digital functions within the same byte. If it is defined as an analog, you can use the ÔSet to a Value...Õ commands to enter each frame of the string (be sure to turn off the ÔCut/PasteÕ options under the ÔPreferencesÕ pulldown). If it is defined as eight digital channels, you can just draw in the binary data as needed.

j) MIDIÊ Keyboard Channels: This is a MIDI Mode specific command. MIDI was designed for

sending data from electronic keyboards and instruments to one another. This feature allows you to define sixteen consecutive bytes of animation data (128 digital bits) to emulate a MIDI keyboard. This command sets the address of the first byte used in this way. The other fifteen bytes follow immediately. If you set this value to 255/0FFh, this feature is disabled.

Once the address is set using this command and the configuration mode exited, the BSSerial will start monitoring for any changes in these sixteen bytes. Any bit that goes high will trigger a MIDI Ôkey downÕ string to be sent. any bit that was high and goes low will trigger a MIDI Ôkey upÕ string.

Normal keyboards only have 88 keys. The 128 digitals monitored by the BS-Serial are mapped with a standard keyboard right in the middle. Middle ÔCÕ is found on the 60th digital. This translates to bit four of the seventh byte that is being monitored.

Each of the MIDI key up/key down strings is three bytes long. At the relatively slow 31,250 baud rate MIDI uses (3125 bytes per second), it is possible to overrun the 256 byte long buffer used for sending data from the BS-Serial. Be aware that the low speed of a MIDI serial stream means that it will take almost 1/10 of a second to send out 256 bytes of data. The following are the rules for MIDI:

1) DonÕt make more than 85 key changes on any one frame of animation data. The last bits wonÕt be turned on or off until almost 1/10th of a second later (3 frames after the first bit changed, at thirty FPS).

2) You can not send more than 1041 MIDI key up/key down sequences per second.

3) At thirty FPS, the average number of changes on each frame should not exceed 34.

4) MIDI has no error detection or correction built in. There is no guarantee that any command will ever reach the device that the BS-Serial is controlling through a MIDI output. If a MIDI Ôkey downÕ sequence is missed, the output will remain off until another MIDI Ôkey downÕ is received for the same output. If a MIDI Ôkey upÕ sequence is missed, the output will remain stuck on until another MIDI Ôkey upÕ is received for the same output. Do not use MIDI for any safety related equipment.

5) MIDI wiring standards allow for a MAXIMUM wire length of fifty feet. The longer the wire, the better are the chances that MIDI messages will be missed or garbled. A MIDI receiver canÕt tell a garbled MIDI message from a perfectly good one.

The above are all shortcomings in the design of any MIDI system. They come directly from the MIDI standards. These are the reasons why MIDI is not used for any professional animation control systems.

Just for some contrast, at the typical thirty frames per second that a Gilderfluke Animation Control System operates at, there is no limitation to the number of digital functions that turn on or off at one time. With 2048 digitals controls, there can be 2048 on and off events per frame, or 61,440 on and off events per second. If there is any error in the data stream, the outputs will not be updated with this bad data and the corrected data will be output on the next frame (typically 1/30th of a second later). Recommended wire length without any additional hardware is one mile.

k) Voice, Press Velocity, and Release Velocity: This is a MIDI Mode specific command. This

command is used to set which of sixteen possible MIDI ÔinstrumentsÕ the key commands are

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sent to, and the ÔspeedÕ that is used for the MIDI Ôkey downÕ and Ôkey upÕ commands. The default MIDI ÔspeedÕ is 64. A value of one is the slowest possible key up or down speed. A value of 127 gives the fastest possible key speed. A ÔspeedÕ value of zero will turn off a note, even on a MIDI Ôkey downÕ message.

l) String Trigger Channel: This command is used to set the address of the eight bit channel that

is used to trigger the strings which are entered using the next command. Setting this value to 255/0FFh will disable this feature.

Any eight bit channel of animation data can be used to trigger the sending of the strings which are entered using the next command. There are a total of sixteen strings available. Each bit triggers one string to be sent on the rising edge, and a second completely different string on the falling edge. This feature is typically used to send strings that need to be sent too regularly for using the ÔMonitor ChannelÕ feature.

m) Edit Strings.....: This command brings up the following menu. It is used to enter the strings that

are sent when using the ÔString TriggerÕ feature. There are sixteen possible strings. Each string can be up to eighteen characters long. One is sent on the rising, and a different one is sent on the falling edge of each of the eight bits in the String Trigger channel.

EPROM: 123 channels @ 30 FPS / first show is 12345 frames long

input 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18

0) 0 ^ |_10|_13|_30|_82|105|115|105|110|103|___|___|___|___|___|___|___|___|___|

1) 1 ^ |_10|_13|_31|_82|105|115|105|110|103|___|___|___|___|___|___|___|___|___|

2) 2 ^ |_10|_13|_32|_82|105|115|105|110|103|___|___|___|___|___|___|___|___|___|

3) 3 ^ |_10|_13|_33|_82|105|115|105|110|103|___|___|___|___|___|___|___|___|___|

4) 4 ^ |_10|_13|_34|_82|105|115|105|110|103|___|___|___|___|___|___|___|___|___|

5) 5 ^ |_10|_13|_35|_82|105|115|105|110|103|___|___|___|___|___|___|___|___|___|

6) 6 ^ |_10|_13|_36|_82|105|115|105|110|103|___|___|___|___|___|___|___|___|___|

7) 7 ^ |_10|_13|_37|_82|105|115|105|110|103|___|___|___|___|___|___|___|___|___|

8) 0 v |_10|_13|_30|_70|_97|108|108|105|110|103|___|___|___|___|___|___|___|___|

9) 1 v |_10|_13|_31|_70|_97|108|108|105|110|103|___|___|___|___|___|___|___|___| A) 2 v |_10|_13|_32|_70|_97|108|108|105|110|103|___|___|___|___|___|___|___|___| B) 3 v |_10|_13|_33|_70|_97|108|108|105|110|103|___|___|___|___|___|___|___|___| C) 4 v |_10|_13|_34|_70|_97|108|108|105|110|103|___|___|___|___|___|___|___|___| D) 5 v |_10|_13|_35|_70|_97|108|108|105|110|103|___|___|___|___|___|___|___|___| E) 6 v |_10|_13|_36|_70|_97|108|108|105|110|103|___|___|___|___|___|___|___|___| F) 7 v |_10|_13|_37|_70|_97|108|108|105|110|103|___|___|___|___|___|___|___|___|

enter number of string to edit, or <ESC>ape to return to main menu (0-F)-

In the example above, the strings have been set to send out strings that display the bit number and the word ÔRisingÕ or ÔFallingÕ.

u) Download configuration: This command is used to save the current configuration of the BS-

Serial Smart Brick through the serial port to a file on your computer. This file can then be reloaded into this, or any other BS-Serial Smart Brick. To use this command, you first invoke it, then following the instructions, you set your computer to receive a string of ASCII characters. You then press any key to tell the BS-Serial Smart Brick to send out it's configuration. When it has finished, you then tell your computer to stop saving characters, and then hit any key to tell the BS-Serial Smart Brick to redraw the screen.

o) Reload Default Configuration: This command reloads the default configuration to the BS-

Serial Smart Brick. This will overwrite any configuration data which was in the BS-Serial.

s) Upload configuration: This command (which doesn't appear on the menu) is the compliment

of the Download Configuration command. To invoke it, all you need to do is tell your modem program to send the file saved by the 'download' command back to the BS-Serial Smart Brick. This will automatically invoke the upload command and store the incoming data.

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+) Data Dump: This command (which doesn't appear on the menu) dumps out the DMX output

buffer and the configuration memory onto the screen. This started as some developmental routines, and there was plenty of space available, so what the hell.

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BS-Serial in Intelix Mode

For a BS-Serial in Intelix mode, the menu will appear as follows. If an Eprom is found, the size of the first show is displayed at the top of the screen. If no Eprom is found, the Ônot foundÕ will appear in the place of the show size:

EPROM: 123 channels @ 30 FPS / first show is 12345 frames long

a) 1st address in Eprom- _10 b) baud rate- 38.4Kbaud c) DMX Rx checksums- yes d) sequencer enabled- yes e) frame rate divided/2- no f) numbering system- decimal g) VT-52 display- yes h) operating mode- Intelix

i) monitor channel- _10

j) Intelix strings....

l) string trigger channel- _11

m) edit strings....

o) reload defaults....

r) download configuration....

Enter Command-

a) First Addressed in Eprom: Any DMX-512 data that is sent to the BS-Serial will be passed

through at the same address at which it was received. This command is used to offset the data from the on-board Eproms to match the addresses that were used when you were programming. As an example, if the outputs you are using start at 10, then you need to create the Eprom files set starting with a ÔstartÕ of 10 in the PC¥MACs program. When playing back from the BS-Serial, the data will need to be offset to Ô10Õ so that the channels are reproduced at the same locations where they were when you were programming.

b) Baud Rate: This command sets the speed at which serial data is sent out of the BS-SerialÕs seri-

al port when the card isnÕt in configuration mode. The baud rates available on the BS-Serial are:

1) MIDI baud rate (31,250 baud)

2) 2400 baud

3) 4800 baud

4) 9600 baud

5) 19.2 KBaud

6) 38.4 KBaud

7) 57.6 KBaud

8) 115.2 KBaud

The baud rate must be set to match the device you are trying to talk to. The highest speed supported by the Intelix Matrix Mixers is 38.4 KBaud. This is the speed that should be used when in Intelix mode. No matter what baud rate you select here, the configuration mode will always run at 9600 baud.

c) DMX Rx Checksum: This toggle is used to enable and disable the error checking in data re-

ceived through the DMX-512 data input. Without it, the BS-Serial Smart Brick won't be able to recognize errors in the incoming data, and may update the outputs with this bad data. It should be left ON whenever running from a PC¥MACs or other DMX-512 source that supports this checksum. All Gilderfluke & Company send this checksum. If this toggle is ON and the

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