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DS6500
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DS6500 9-pin Lonworks connector pinout
Pin Name Function
1 CHASSIS Cable shield internally connected by capacitor to chassis
9 VS Supply voltage - positive pin
2 GND Supply voltage - negative pin
6 VS_I/O Supply voltage of I/O circuit
3 Ref_I/O Reference voltage of I/O circuit
4 SYS_ENC_I/O System signal
5 SYS_I/O System signal
7 LON A Lonworks line (polarity insensitive)
8 LON B Lonworks line (polarity insensitive)
Network Termination
When building a Lonworks system the network must be properly terminated by positioning
BTK-6000 terminator in the DS6500 master reader and in the last DS6500 slave reader.
Each side of the terminator provides a different connector; thus, it can be inserted either in
the Lonworks 9-pin male connector of the master reader or in the Lonworks 9-pin female
connector of the last slave reader:
Slave
Master
Female
Male
Female
Male
Figure 31 - BTK-6000 Network Terminator
NOTE
For Fieldbus models no terminator must be inserted in the reader, since it
is internally integrated.
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