ABB | SACE Emax 2
Electronic accessories | 7 - Ekip Com Modbus RTU modules
209 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
Termination resistor
The modules provide the possibility to insert a 120
Ω
termination resistor on the RS-485 bus, by setting the
dip-switches
Rterm
on the side of the modules, in position
on
. This option must be selected before the
installation of the modules.
For the positions
on
and
off
of the dip-switches
Rterm
, see the following figure (on Modbus RTU
communication modules, the dip-switches
Rpol
are not used).
ON
1 2 3 4
Figure 36
Summary of Contents for SACE Emax E1.2
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