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DS8100A
2
Lonworks Interface
The Lonworks network is used for both input and output connection to build a multi-sided or
omni-station system connecting several readers.
The DS8100A master usually employs the 17-pin female connector for output connection to
the first slave, while the 17-pin male connector is terminated by inserting the BTK8102
terminator (see Figure 23 for details).
Both connectors are always employed when connecting together the slave readers. In
particular, the 17-pin female connector is used for output connection and the male one for
input connection. The female connector in the last slave reader is terminated by the
BTK-8100 bus return to close the system network.
The following diagram represents the connection between a DS8100A working as master
and a DS8100A working as a slave reader.
The cable shields for LON A/B are connected to pin1 and pin 3 - CHASSIS.
Master
9
Slave
15
8
13
12
15
13
12
VS_I/O
REF_I/O
A1
1
A2
A1
A2
LON A+
LON A-
VS
GND
AWG 13
AWG 13
= male connecto
r
= female connecto
r
9
8
11
10
LON B+
LON B-
11
10
1
3
3
CH
A
SSIS
CHASSIS
CHASSIS
CHASSIS
Figure 25 – DS8100A Master/Slave Lonworks Connection
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