8.5.6 PakBus LAN Example
To demonstrate PakBus networking, a small LAN (Local Area Network) of
CR1000s can be configured as shown in figure Configuration and Wiring of
PakBus LAN
(p. 400). A PC running LoggerNet uses the RS-232 port of the first
CR1000 to communicate with all CR1000s. All LoggerNet functions, such as
send programs, monitor measurements, and collect data, are available to each
CR1000. CR1000s can also be programmed to exchange data with each other
(the data exchange feature is not demonstrated in this example).
8.5.6.1 LAN Wiring
Use three-conductor cable to connect CR1000s as shown in figure Configuration
and Wiring of CR1000 LAN
(p. 400). Cable length between any two CR1000s must
be less than 25 feet (7.6 m). COM1 Tx (transmit) and Rx (receive) are CR1000
terminals C1 and C2, respectively; COM2 Tx and Rx are terminals C3 and C4,
respectively. Tx from a CR1000 is connected to Rx of an adjacent CR1000.
Figure 105. Configuration and Wiring of PakBus LAN
400
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