Advantech ADAM-4572 Manual do Utilizador descarregar pdf (Página 51)

42 ADAM-4579 User’s Manual

4.1 Network Architecture

The ADAM-4579 provides four types of network architecture. You can

use the ADAM-4579 with any operation system. If you want to

develop application programs to access the ADAM-4579, the follow-

ing illustrates several example codes for your reference. The four

network types are: polling, event-handling, peer-to-peer, controlling.

4.2 Polling Network Architecture

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

ADAM-4579 via Ethernet, you can use polling network architecture.

Figure 4-1 Network architecture- Polling

ADAM

Et he r ne t

RS-232/4 22/485

+Vs GNDPort 2 Port 1

A D A M - 4 5 7 9

A D A M - 5 0 0 0

A D A M - 4 0 0 0

R S- 2 3 2

R S - 4 8 5

In t e r ne t

B a r code

Reader

Data or Command

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 66 67

ADAM-4579 1
Copyright Notice 2
CE Notification 2
Advantech Customer Services 3
Technical Support 3
Product Warranty 4
Contents 6
Overview 10
1.1 Introduction 11
1.2 Features 12
1.3 Specifications 12
1.4 Package Checklist 13
Getting Started 14
2.1 Understanding ADAM-4579 15
Data or Command 16
Internet 16
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2.1.2 Serial Architecture 18
2.1.2 Top / Front / Rear View 19
St atus /Power 20
Sp eed/Link 20
TX/RX (E thernet) 20
TX/RX (Po rt1) 20
TX/RX (Po rt2) 20
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IP address: 21
Port 1: Port 2: 21
172 .20.20.5 21
2.2 Connecting the Hardware 22
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DIN Rail Mounting 24
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Piggyback Stack 25
2.2.3 Power Connection 26
2.2.2 Network Connection 26
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PIN Name RX TX GND 28
RJ-48 2 3 5 28
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Installation and 30
Configuration 30
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3.2 Configuring the ADAM-4579 32
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3.2.3 Network Configuration 36
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3.3 Testing Utility 44
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Download 47
3.4 Status Messages 48
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Architecture and 50
Example Code 50
4.1 Network Architecture 51
H ost PC creates TCP socket 52
Connect to ADAM-4579 52
Send data to ADAM-4579 52
Receive data from ADAM-4579 52
Disconnect 52
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Example: 56
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Connection 1 63
Connection 2 63
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