Denso BHT-6000 Manual Do Utilizador
91
Chapter 3. Communications Operations of BHT-6000
ENQ
S
O
H
ACK
ACK
ACK
ACK
ACK
EOT
ACK
E
T
T
X
B
C
C
C
C
S
T
X
E
T
T
X
B
C
C
C
C
S
T
X
E
T
T
X
B
C
C
C
C
S
T
X
E
T
T
X
B
C
C
C
C
[ 4 ] Transmission Control Sequences
Shown below is a typical message transmission sequence supported by the BHT-
protocol. This sequence example does not include transmission errors or negative
responses.
protocol. This sequence example does not include transmission errors or negative
responses.
Establishment of
Data Link
Data Link
(Phase 1)
Heading text
Data text n-1
Serial number
Serial number
Serial number
Data text n
Data text 1
Data Transmission
(Phase 2)
Release of Data
Link
Link
(Phase 3)
Receiving
Station
Station
Sending
Station
Station