EUCHNER
Hand-Held Pendant Station
HBAS-094594
095640-02-02/06
Subject to technical modifications
Page 8 / 40
3.2 Definition of the characters
Character format:
8 bits
Value range:
00H ... FFH
The value range is divided up as follows:
Value range
Function
Transfer direction
00H ... 1FH
General control character for protocol
HBAS
Control
system
30H ... 44H
Key code for the keys 1 to 20 and error
bytes
HBAS
Control
system
20H ... 53H
Control character or commands for the
LC display, the pulse generator and the
transfer of configuration parameters
Control system
HBAS
80H ... FFH
Character set for the LC display
(see section Character set)
Control system
HBAS
Control characters:
Control
character
Value
Function
Explanation
STX
02H
Start of Text
Start of the character string
to be sent
ETX
03H
End of Text
End of the character string
to be sent
DLE
10H
Data Link Escape
Data transfer switch over
NAK
15H
Negative
Acknowledge
Negative response
BCC
Is calculated,
(section 3.3)
Block Check
Character
Block check character for
checking correct data transfer
