Toho-electronics TTM-00BT Manual do Utilizador descarregar pdf (Página 29)

7.9.13 Table of ASCII codes

ASCII code 02H 03H 06H 15H

Code used STX ETX ACK NAK

ASCII code 30H 31H 32H 33H 34H 35H 36H 37H 38H 39H

Number used 0 1 2 3 4 5 6 7 8 9

2DH 20H

−

Minus

Space

ASCII code 41H 42H 43H 44H 45H 46H 47H 48H 49H 4AH

Code used A B C D E F G H I J

ASCII code 4BH 4CH 4DH 4EH 4FH 50H 51H 52H 53H 54H

Alphabetical

character used

K L M N O P Q R S T

55H 56H 57H 58H 59H 5AH 20H 72H 77H

Y V W X Y Z

Space

Lower case

7.9.14 Communications specifications

1) Communications standard category: Compliant with EIA standard RS-232C or RS-485

2) Communications systems

: Network.................................. For RS-485: up to 1 pair, 16 stations

For RS-232C: 1 pair, 1 station

: Direction of information......... Half duplex

: Synchronization system.......... Asynchronous

: Transmission code.................. ASCII code

3) Interface system

: Signal line............................... For RS-485: Two-wire type (two transmission and

reception lines)

For RS-232C: Three-wire type (two transmission and

reception lines, one SG line)

: Communications speed .......... 4,800, 9600, 19,200 and 38,400 bps

Set this with DIP switches.

: Communications distance ...... For RS-485: 500 mm maximum

For RS-232C: 15 m maximum

Provided that it varies somewhat depending on the cable and other ambient conditions.

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 35

Sem comentários

Toho-electronics TTM-00BT Manual do Utilizador Página 29