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Alcorn Mcbride Information Station, Reference Manual

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Alcorn McBride MP3 Audio Machine User’s Manual    •   Rev H    •   April 2, 2004  

 

Serial Port: RS-232C  Programming Connector 

For convenience of rack wiring, these signals are duplicated on the rear DB-37 

connector. This eliminates the need for separate cabling in rack mount installations. 
Only one serial connection should be attached at a time. 

A serial cable is 

provided with each MP3 

Audio Machine. 

This input is a standard DB-9 male RS-232C connector, intended to be connected to 

a PC using a straight-through (

not null-modem

) 9-pin cable. Usually this connector 

is used only during programming, and not once the unit is permanently installed. The 

pinout appears below. 
 

Pin  Function 

2 

TXD (data from MP3 

Audio Machine) 

3 

RXD (data to MP3 Audio 

Machine) 

5 

GND 

Summary of Contents for Information Station

Page 1: ......

Page 2: ...products are not intended for use in applications where a malfunction can reasonably be expected to result in personal injury Customers using or selling Alcorn McBride products for use in such applic...

Page 3: ...April 2 2004 Alcorn McBride MP3 Audio Machine User s Manual Rev H Page 3 0 1 0 2 0 3 0 4 5 6 6 7 6 8 5 7 9 0 1 2 1 0 3 4 7 4...

Page 4: ...ards are the best choice For data storage the unit provides a socket for installing removable media either Compact Flash Card or micro drive The MP3 Audio Machine can be serially controlled using stan...

Page 5: ...Capabilities Serial RS 232 Control is Pioneer LDP compatible Parallel Contact Closures provide push button control of 15 tracks Audio Editing Software Included You can obtain information about specify...

Page 6: ...sh card inside the unit Connect non powered speakers to the screw terminals on the back of the unit or connect the RCA jacks to a device capable of playing line level in signals like many TV s or ster...

Page 7: ...anel incorporates a test switch status indicator Compact Flash Card slot The rear panel provides the audio digital audio and control connectors and serial port Test Button The Test Button always plays...

Page 8: ...Switch A 4 key DIP switch red with white keys is located on the side of the unit next to the DB 37 Control Connector Its first key selects between voltage inputs or contact closures for the discrete c...

Page 9: ...line level out If your speakers are polarized the negative terminal of your speaker goes to the inside screw terminal while the positive terminal goes to the outside Since the volume controls the lin...

Page 10: ...llations Only one serial connection should be attached at a time A serial cable is provided with each MP3 Audio Machine This input is a standard DB 9 male RS 232C connector intended to be connected to...

Page 11: ...nnector selects between the two input types More information on these inputs may be found in the section entitled Parallel Control The pinout of the Control Connector is shown below Pin Function Pin F...

Page 12: ...ed Loop 14 4 4 23 Causes the selected file to loop indefinitely from beginning to end If the file is a Play List all tracks will be played and then the file will loop The state of this input is examin...

Page 13: ...is asserted when the file ends If the file is a Play List all tracks will be played and then the file will loop The file select inputs may also be strapped to automatically play a file on powerup That...

Page 14: ...t responsible for any obvious errors in the diagram Use logic to verify your setup is correct If you find errors with this diagram please notify Alcorn McBride You can help us help other customers wit...

Page 15: ...18 36 17 35 16 34 15 33 14 32 13 31 12 30 11 29 10 28 9 27 8 26 7 25 6 24 5 23 4 22 3 21 2 20 1 Switch set to voltage Diodes are not needed since the PLC can actuate any combination of lines desired P...

Page 16: ...or Play List Throughout the table CR means carriage return a byte with the hexadecimal value 0D Select File Description This command causes the MP3 Audio Machine to select the specified audio track o...

Page 17: ...essage Response R CR Pause Description This command causes the MP3 Audio Machine to pause Play will resume from where it left off whenever another Play command is issued unless a Select File command i...

Page 18: ...mber of bytes hex Firmware Version Request V CR ASCII string Menu of Commands CR ASCII table Soft reset the MP3 AM XX Used during remote control Notes In the commands above xxxxxxxxyyy and aaaaaaaabbb...

Page 19: ...PCM The MP3 Audio Machine can also playback RAW PCM files that have been sampled at 44 1KHz They need to be 16bit mono or stereo Windows PCM files For mono files use the AMS extension rather than the...

Page 20: ...an provide higher quality audio playback than the MPEG format but at the same time it consumes about ten times as much storage space per minute This is based on a 128Kbps sample rate You CAN get bette...

Page 21: ...the Compact Flash card into the PC s socket and look for the drive letter Windows has assigned to your Compact Flash Card drive The computer sees it as an extra drive like F for this example Open a DO...

Page 22: ...dsheets documentation etc Some example file names Only firmware versions MP040329 and earlier support SFD AMS and RND file types File Name Description SND00020 WAV Track number 20 Audio file SND00000...

Page 23: ...ater support more than 511 sounds These versions also do not support SFD AMS and RND file types You can access up to 9 999 sounds on the 8TraXX In order to do this create a subdirectory on the Compact...

Page 24: ...Y00000 LST exists it will be automatically executed on power up If a Play List contains the number of another Play List execution of the first Play List will be terminated at that point and the new Pl...

Page 25: ...y List after the character is ignored Comment Ignore all characters until the next carriage return Commands may be entered into the Play List in either upper or lower case All text following a semicol...

Page 26: ...turn is encountered 5 60 The i character places the MP3 Audio Machine into interruptible mode which means that the unit will respond to discrete Select inputs and serial play commands by jumping immed...

Page 27: ...RND extension that contains all the numbers of the files you want played For Example PLY00000 RND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 This file will cause the unit to bounce around through the playlis...

Page 28: ...priority If the test button is depressed check for FIRMWARE BIN on Compact Flash card If it is found update firmware and automatically reboot If the test button is depressed process command file COMM...

Page 29: ...ng this It is very important to copy this file correctly for your firmware update You could potentially render the box useless if you do this incorrectly So please read that section just to make sure...

Page 30: ...ons or adds extensions that are hidden when viewed in Windows Explorer Try using a DOS shell and renaming the file or use a DOS editor actually create the file Q When using AMI Explorer on a Windows N...

Page 31: ...the card in the Audio Machine using AMI Explorer Follow the list of steps in the Copying Files section Take every other piece of control equipment away from the unit making it stand alone until you ge...

Page 32: ...MP3 Audio Machine User s Manual Rev H April 2 2004 Is the unit damaged If you can put another MP3 Audio Machine in the circuit you can rule out the possibilities of a damaged unit Remember to use the...

Page 33: ...e 33 Strain Relief The rear panel of the MP3 Audio Machine incorporates four threaded PEM nuts which can be used to secure strain reliefs to prevent cables from being dislodged from their connectors T...

Page 34: ...34 Alcorn McBride MP3 Audio Machine User s Manual Rev H April 2 2004 Surface Mounting 5 6 7 8 Qty Part Number Description 2 306 100079 Mounting Flange 6 500 000566 Screw 6 32 x 3 8 Pan Head Black Ox...

Page 35: ...ing top and bottom connecting plates to the sides if more than one unit is to be connected together and then adding the appropriate length rack mount ears as shown in the drawings that follow 9 5 6 1...

Page 36: ...Description 1 306 100007 Mounting Ear Short 1 306 100082 Mounting Ear Medium 1 306 100080 Connecting Plate Top 1 306 100081 Connecting Plate Bottom 2 500 000565 Screw 4 40 x 1 Pan Head Black Ox CRES...

Page 37: ...Qty Part Number Description 2 306 100007 Mounting Ear Short 2 306 100080 Connecting Plate Top 2 306 100081 Connecting Plate Bottom 4 500 000565 Screw 4 40 x 1 Pan Head Black Ox CRES 12 500 000564 Scr...

Page 38: ...ctor 2 5 mm I D 5 5 mm O D 10 mm shaft length Adapter for 100 250Volts provided 50 60 Hz 3A max Physical 5 5 x 1 75 x 11 4 lbs 0o C 32o F to 38o C 100o F free air circulation Compact Flash Card hard d...

Page 39: ...Bride MP3 Audio Machine User s Manual Rev H Page 39 Rack Mounting Bracket Kit 3 Unit Part Number 320 100374 Mating Connector and Housing for DB 37F Solder Cup Part Number 320 100376 Compact Flash Card...

Page 40: ......

Page 41: ...hum 8 Interruptible 24 laser disc 16 LED 8 LED Meaning 8 Loop 11 13 16 17 18 24 25 Media Flash Cards See PC Card PC Card 5 noise 8 Non Linearity 37 Parallel Control 11 Parallel Outputs 15 parity 16 P...

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