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Resumen del manual
Tally information will include deck status, timer information and record prohibit status. • Individual Control Over Each Deck • Extensive Transport Control Command Set (Includes CPS, RTZ, Sync Reverse and Dubbing) • Transport Status Tallies • Tape Counter Readout Information (MM:SS) • Tape Counter Reset Command • Tape Status (Record Prohibit/Enable) • Empty Deck Indication Connector: DB9 Data Transmission Speed: 9600 bps Pin 2: Rx Data Command Spacing: >20msec Pin 3: Tx Data Character Length: 8 bit Pin 5: Ground Parity Bit: None Stop Bit: 1 bit Rx Data Tx Data Ground Tx Data Rx Data Ground 5 3 2 322 RS-232 Port External Unit COMMAND STRUCTURE & BEHAVIOR Basic Transport Commands: Status Request Commands: LF Delimiter CR 0Ah 30h 30h 30h 31h 31h 31h 31h 0Dh 0 0 0 11 11 LF Delimiter 0Ah 30h 30h 00h 35h 31h 30h 0 0 CR 5 10 PLAY, DECK 1, SIDE A Preamble -All command strings for the 322 begin with an identifying phrase of "Line Feed" (0Ah) and a "0" (30h). Command -The command follows the preamble directly. (For a complete list of all the commands, see Transport Commands on the next page.) Deck -This determines whether the command is targeted at Deck 1 (30h 31h) or Deck 2 (30h 32h). Direction -For commands which have directionality to it, this determines whether the forward or reverse direction is desired. Forward direction (30h 31h) and reverse direction (30h 32h) are used for commands with direction. Transport commands without direction use a "no direction" (30h 30h) place holder. Delimiter -All command strings for the 322 end with "Carriage Return" (0Dh) as the delimiter. SENSE MECHANISM STATUS, DECK 1 Status request commands will follow the same structure as basic transport commands, except a direction is not included in the command. (That information will be given in the reply.) The 322 does not automatically generate status commands when mechanisms change, so the controller will need to scan the 322 at some rate. When setting a scanning cycle, it is important to recognize that the 322 requires 20 milliseconds between commands. Since there are 3 types of information per deck (time, record prohibit, and mechanism status), it is easily possible to scan each status every half second, and still only be sending messages to the 322 every 83 milliseconds. TASCAM USA has tested the 322, scanning each status type every half second, and the 322 performed flawlessly. 7733 Telegraph Road • Montebello, CA 90640 • (323) 726-0303 • Page 1 of 5 322_RS-232_TECHDOC.pdf All features and specifications are subject to change without notice. Contact your local TASCAM representative for the latest information. 322 RS-232 Specification COMMAND STRUCTURE & BEHAVIOR (CONT) When the 322 receives commands, the behavior mimics the front panel controls. So, when PLAY DECK 1 SIDE A is issued, the 322 may not be engaged directly into PLAY. (A chart at right explains the actual behavior.) These behaviors are fairly straight forward, since these commands follow normal cassette logic that most end users are already familiar with. This makes programming a touch panel for standard remote control applications very easy. But for unattended automation systems run completely by computer, it might be wise to create a simple macro which returns the 322 to a known state, like STOP on side A. -If the 322 was recording on side B, then the machine will flip to side A and continue recording on side A. -If the 322 was recording on side A, then it will continue recording on side A. -If the 322 was in record pause on side A, then record is engaged on side A. -If the 322 was in record pause on side B, then the 322 will flip directions and remain in record pause on side A. -If the 322 was in pause on side B, then the 322 will flip directions and remain in pause on side A. COMMAND LIST LF 0 100100 CR STOP, DECK 1 -CMND "10" 0Ah 30h 31h 30h 30h 31h 30h 30h 0Dh LF 0 100200 CR STOP, DECK 2 0Ah 30h 31h 30h 30h 32h 30h 30h 0Dh LF 0 110101 CR PLAY, DECK 1, SIDE A -CMND "11" 0Ah 30h 31h 31h 30h 31h 30h 31h 0Dh LF 0 110102 CR PLAY, DECK 1, SIDE B 0Ah 30h 31h 31h 30h 31h 30h 32h 0Dh LF 0 110201 CR PLAY, DECK 2, SIDE A 0Ah 30h 31h 31h 30h 32h 30h 31h 0Dh LF 0 110202 CR PLAY, DECK 2, SIDE B 0Ah 30h 31h 31h 30h 32h 30h 32h 0Dh LF 0 1C0100 CR PAUSE, DECK 1 -CMND "1C" 0Ah 30h 31h 43h 30h 31h 30h 30h 0Dh LF 0 1C0200 CR PAUSE, DECK 2 0Ah 30h 31h 43h 30h 32h 30h 30h 0Dh LF 0 140100 CR REC PAUSE, DECK 1 -CMND "14" 0Ah 30h 31h 34h 30h 31h 30h 30h 0Dh LF 0 140200 CR REC PAUSE, DECK 2 0Ah 30h 31h 34h 30h 32h 30h 30h 0Dh LF 0 1B0100 CR REC MUTE, DECK 1 -CMND "1B" 0Ah 30h 31h 42h 30h 31h 30h 30h 0Dh LF 0 1B0200 CR REC MUTE, DECK 2 0Ah 30h 31h 42h 30h 32h 30h 30h 0Dh LF 0 1A0101 CR FFWD, DECK 1 -CMND "1A" 0Ah 30h 31h 41h 30h 31h 30h 31h 0Dh LF 0 1A0102 CR REW, DECK 1 0Ah 30h 31h 41h 30h 31h 30h 32h 0Dh LF 0 1A0201 CR FFWD, DECK 2 0Ah 30h 31h 41h 30h 32h 30h 31h 0Dh LF 0 1A0202 CR REW, DECK 2 0Ah 30h 31h 41h 30h 32h 30h 32h 0Dh LF 0 650100 CR RESET COUNTER, DECK 1 ...