7 message format, Message format, 7" "b – Toshiba SX 2000 User Manual
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Chapt.1 System Configuration
1.4.7
Message format
The transmission message is composed by ASCII characters and a specified trailing
code. The default setting of the trailing code is CR (carriage return code = HOD).
Refer to section 1.4.8 for setting the trailing code other than CR.
The maximum length of a message is 512 bytes. An example of the message is
shown below.
1
2
3
4
5
6
7
8
9
"0"
"1"
"2"
"A"
"B"
"7"
"8"
"9"
CR
In the above figure, "x" means an ASCII character. For example, "0" is H30.
The number (1 to 9) shown on each character means the order of transmitting or
receiving.
When the above message is received or transmitted, the data arrangements in the
S2T registers are as follows.
Register
8 7
n
"1"
"0"
n+1
"A"
"2"
n+2
"7"
"B"
n+3
„g„
"8"
n+4
CR
Transmission message
CR
The message length is 1 byte, only trailing code, then receive operation ignore the
message.
34
Sequence Controller S2T