BG 800 300 BE / A (0105) TPG 300
44
8 RS-232-C interface
The serial interface allows communication between the TPG 300
and a computer. A terminal can also be connected for test pur-
poses.
8.1 Installation and connection diagram
→
&
[3]
8.2 Data transmission
Information is exchanged bi-derectionally, i.e. the data and
control commands can flow in either direction.
8.2.1 Definitions
The following abbreviations and symbols are used:
Symbol
Meaning
HOST
Computer or terminal
[...]
Non mandatory elements
ASCII
American Standard Code for Information Interchange
ASCII
Dec.
Hex.
<ETX>
END OF TEXT
(CTRL C)
Reset of interface
3
03
<CR>
CARRIAGE
RETURN
Carriage return
13
0D
<LF>
LINE FEED
Line feed
10
0A
<ENQ>
ENQUIRY
Request to send
5
05
<ACK>
ACKNOWLEDGE
Positive confirma-
tion
6
06
<NAK>
NEGATIVE
ACKNOWLEDGE
Negative confir-
mation
21
15
"Send": Transfer from HOST to TPG 300
"Receive": Transfer from TPG 300 to HOST