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The DTE – DCE cable has to be connected 1:1.
ELO E06G transmits RxD and TxD signals. Control signals are not transmitted.
The converter contains local jumpers RTS-CTS and DTR-DST-DCD. Maximum
data rate is 115 200 bps
3.2
RS-485 link connection
The DB9M connector is
used to the link connection
Single
DTE
connected
via
(see fig.) with up to 32
partners.
The RS-485 connector description and the internal passive terminator:
Contact
1
Signal
TAU1 TAU2
Internal terminator
!!! Be careful of a frequent mistake !!!
.
can
be
bus
2
3
TxRx+
RTSpol
4
5
6
GND
TAU3
1k5
4
ELOE06GZKE001
7
8
9
T
TxRx- +Supp
Totally correct RS-485
bus handling is shown
in the picture. RS-485
link must be termina-
ted at both ends. The
resistors (called passi-
ve terminators) must
be connected between
A and B wires and
their value must be
100-120 Ω. These ter-
minators are used for
the
converter
impedan-ce matching,
they
suppress
undesi-rable echo and
the
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