Echelon PCLTA-21 Uživatelská příručka stáhnout pdf (Strana 34)

4-2 Electrical and Mechanical Interfaces

PCLTA-20 Board Layout

Figure 4.1 shows the layout of the PCLTA-20 card Models 74401, 74402, 74403, and

74404. Model 74404 (TP-RS485) includes jumpers that must be configured to set the

correct speed on the RS-485 channel (figure 4.2).

Figure 4.1 PCLTA-20 Models 74401-74404 Mechanical Layout and Interfaces

XID3

XID4

XID2

XID1

XID0

JP1

JP2

JP3

XID3

XID4

XID2

XID1

XID0

JP1

JP2

JP3

XID3

XID4

XID2

XID1

XID0

JP1

JP2

JP3

XID3

XID4

XID2

XID1

XID0

JP1

JP2

JP3

TP/RS485-39

ID = 5 (default)

TP/RS485-78

ID = 12

TP/RS485-625

ID = 10

TP/RS485-1250

ID = 11

Figure 4.2 PCLTA-20 TP-RS485 Jumper Settings

1 2 ... 29 30 31 32 33 34 35 36 37

LONWORKS 1
Contents 5
iv Echelon 6
CE Declaration of Conformity 6
PCLTA-20 Introduction 7
Introduction 9
Audience 10
Content 10
Related Documentation 10
Installing the PCLTA-20 Card 11
Results 16
Troubleshooting 17
System Resources 18
ONWORKS Plug 20
Configuring and Testing the 23
PCLTA-20 Card 23
PCLTA-20 Configuration 24
Device Specific Settings 25
Device Selected 25
Automatic Flush Cancel 25
NI Application 25
Transceiver 26
Diagnostics 27
General Settings 27
System Image Path 27
Layer2 and Layer6 Buffering 27
PCLTA-20 Diagnostics 28
Diagnostic Commands 29
Service 31
Restart 31
PCLTA-20 Board Layout 34
P1 and P2 PCI Bus Connector 35
Network Connector 35
Mechanical Considerations 36
ECLARATION OF CONFORMITY 37
PC LonTalk 37
Adapater, PCLTA-20 37

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