4. COMMUNICATION PROTOCOL
IMCD06-E2
27
4.2.2 Selecting procedure example
(When the host computer sends a set value)
Normal transmission
For the presence of error in data
Host computer send
Selecting
address
Data
Send data
Controller send
Host computer send Hostcomputer send
Next send data
Controller send
S
T
X
S 1 2 0 0
.
0
E
T
X
B
C
C
31H 30H 04H 02H 53H 31H 32H 30H 30H 2EH 30H 03H 4DH
E
O
T
0 1
Identifier
A
C
K
06H
S
T
X
P 1 1
.
0
E
T
X
B
C
C
02H 50H 31H 31H 2EH 30H 03H 4DH 04H
A
C
K
06H
E
O
T
. . . . .
Host computer send
Selecting
address
Data
Send data
Controller send
Host computer send Hostcomputer send
Re-send data
Controller send
S
T
X
S 1 2 1 0
.
0
E
T
X
B
C
C
31H 30H 04H 02H 53H 31H 32H 31H 30H 2EH 30H 03H 4DH
E
O
T
0 1
Identifier
N
A
K
15H
A
C
K
06H
S
T
X
S 1 2 0 0
.
0
E
T
X
B
C
C
02H 53H 31H 32H 30H 30H 2EH 30H 03H 4DH
S
T
X
P 1
02H 31H 50H
Error data