Advantech ADAM-4577 Manual de usuario descargar pdf (Pagina 62)

52 ADAM-4577 User’s Manual

ADAM-4577 is one port universal series device which supprots TCP/

UDP protocol. TCP mode applies to Polling, Event-handling, and Peer-

to-peer network architecture. UDP mode only applies to Peer-to-peer.

ADAM-4577 provides the flexible network environment , you can use

it according to your application. As following, we will demonstrate the

network architecture and example code base on TCP and UDP mode.

4.1 TCP Mode

4.1.1 Polling Network Architecture

If you want to use host PC to poll the serial devices which connect to

ADAM-4577 via Ethernet, you can use polling network architecture.

Figure 4-1 Network architecture-Polling

ADAM

Ethernet

RS-232/422/485

+Vs GNDPort2

Port1

ADAM-4577

ADAM-5000

ADAM-4000

RS-232

RS-485

Internet

Bar code

Reader

Data or Command

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Advantech ADAM-4577 Manual de usuario Pagina 62