Hitachi IJ RX2 - Page 64

5-8 ●Transmission Sequences
5.3.2-3 Printings
● An array of “character codes”.
● The coding system varies with the mode which is designated by the “Number of communication bytes”
setting entered from the communication environment setup screen.
Number of
communication
bytes
Alphanumerical
characters and
symbols
Dedicated
characters
User pattern
Punctuation
mark
Katakana
Calendar
characters,
Count
characters
(00 to 47) (48 to 199)
1-byte mode ASCII ASCII ASCII 2-byte code 2-byte code 2-byte code 2-byte code
2-byte mode ASCII 2-byte code 2-byte code 2-byte code 2-byte code 2-byte code 2-byte code
5.3.2-4 Character codes
(1) 2-byte code (number of communication bytes: 1-byte mode)
● For 1-byte mode, 2-byte codes are sandwiched between "SI" and "SO."
● One character
SI
High-order
byte
Low-order
byte
SO
● Two or more characters
SI
High-order
byte
Low-order
byte
High-order
byte
Low-order
byte
High-order
byte
Low-order
byte
SO
(2) 2-byte code (number of communication bytes: 2-byte mode)
High-order
byte
Low-order
byte
(3) Mixture of ASCII and 2-byte codes (number of communication bytes: 1-byte mode)
ASCII ASCII SI
High-order
byte
Low-order
byte
High-order
byte
Low-order
byte
SO ASCII
(4) Mixture of ASCII and 2-byte codes (number of communication bytes: 2-byte mode)
ASCII ASCII
High-order
byte
Low-order
byte
High-order
byte
Low-order
byte
ASCII
5.3.2-5 Example of print contents transmission
(1) Example when No. of communication bytes: 1 byte mode
02H 10H 31H 41H 42H 43H 10H 32H 0FH F2H 52H F2H 52H 0EH 03H
STX DLE 1 A B C DLE 2 SI Calendar Calendar SO ETX
Print item 2
(2) Example when No. of communication bytes: 2 byte mode
02H 10H 31H 41H 42H 43H 10H 32H F2H 52H F2H 52H 03H
STX DLE 1 A B C DLE 2 Calendar Calendar ETX
Print item 1 Print item 2
[Transmission results]
Print item 1
Print item 2
ABC
DD
DD:Calendar character "day"
Print item 1