
Chapter 4 Network Architecture and Example Code 63
4.2 UDP Mode
4.2.1 Polling Network Architecture
In UDP Mode, If you want to use host PC to poll the serial devices,
you can use polling network architecture.
Figure 4-14 Network architecture-Polling
Figure 4-15 UDP Mode Flow chart-Polling network
Host PC creates UDP socket
Send data to ADAM-4577
Receive data from ADAM-4577
ADAM
Ethernet
RS-232/422/485
+Vs GNDPort2 Port1
ADAM-4577
ADAM-5000
ADAM-4000
RS-232
RS-485
Internet
Bar code
Reader
PC
Data or Command
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