Opticon MDI-4100 - Figure 18: ACK;NAK Transmission; Figure 19: ACK;NAK Flowchart

MDI-4000 Series Serial Interface Manual
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Figure 18: ACK/NAK Transmission
Figure 19: ACK/NAK Flowchart
ACK/NAK Timeout Commands
Command
ACK/NAK Timeout
Default
[XI4
Indefinitely
[XI5
100 ms
[XI6
500 ms
[XI7
1 s
✓
Start of transmission
Transmit data
Start 1 sec. timer As configured
Response received
Timer ended
Response = NAK
Response = ACK
Response = DC1
ERROR Buzzer ERROR Buzzer GOOD READ Buzzer
END
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
BUZZERn
RxD
TxD
Scan Engine
Host System
RxD
TxD
Decode
Finish
Send
ACK Wait
Buzzer
ACK
LabelA
LabelB
LabelB Read
Processing