National Instruments FieldPoint FP-1000, Руководство пользователя

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Chapter 2 Hardware Installation and Configuration
FieldPoint FP-1000/1001 User Manual 2-12
©
National Instruments Corporation
Figure 2-14. Typical Signal Connections for Host Computer Connected
to Multiple FP-1001 Network Modules
Configuring the FP-1000/1001
Figure 2-15 shows the 8-position switch on the FP-1000/1001 network
module. Switches 1–5 set the network address, and switches 6–8 set the
baud rate.
Figure 2-15. Address and Baud Rate Switch
120
W
120
W
120
W
120
W
From Host
Computer’s RS-485
Transmit Output Pair (TX)
To Host
Computer’s RS-485
Receive Input Pair (RX)
FP-1001 FP-1001 FP-1001
+
+
–
–
RX TX RX TX RX TX
Connect the TX outputs of the host computer to the RX inputs of the FP-1001,
and the RX inputs of the host computer to the TX outputs of the FP-1001.
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
Address
Baud
Rate
Switch Cover
(Removed)