Polling Procedure Example (When The Host Computer Requests Data) - RKC INSTRUMENT CB100 Instruction Manual

4.1.2 Polling procedure example
(When the host computer requests data)
' Normal transmission
Host computer send
E E
O 0 1 M 1 N
T Q
04H 31H 4DH 31H 05H
30H
Polling Identifier
address
'
For the presence of error in data
Host computer send
E E
O 0 1 M 1 N
T Q
04H 30H 31H 4DH 31H 05H
Polling Identifier
address
IMCB03-E3
S
T M 1 0 0 1 0 .
X
02H 4DH 31H 30H 30H 31H 30H 2EH 30H 03H 60H
Data
Identifier
Send data
Controller send
Error data
S
T M 1 0 0 1 .
X
02H 4DH 31H 30H 30H 31H 2EH 30H 03H 60H
Data
Identifier
Send data
Controller send
4. COMMUNICATION PROTOCOL
Host computer send
A
C
K
06H
E B S
0 T C T A A 0
X C X
02H 41H 41H 30H 30H 30H 30H 30H 30H 03H 03H
Host computer send
N
A
K
15H
E B S
0 T C T M 1 0
X C X
02H 4DH 31H 30H 30H 31H 30H 2EH 30H 03H 60H
Host computer send
E
O
T
04H
E B
0
0 0 0 0 T C
X C
Next send data
Controller send
Host computer send
A
C
K
06H
E B
0 1 0 . 0 T C
X C
Re-send data
Controller send
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