ABB | SACE Emax 2
218 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
Electronic accessories | 9 - Ekip Com DeviceNet modules™
Termination resistor
The modules provide the possibility to insert a 120
Ω
termination resistor on the CAN 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 DeviceNet™
communication modules, the remaining dip-switches are not used).
IMPORTANT:
•
The termination resistors must never be included in the nodes. The inclusion of this
capability could easily lead to a network with improper termination (impedance too
high or too low), potentially causing a failure. For example, the removal of a node,
which includes a termination resistor, could result in a network failure.
•
The termination resistors must not be installed at the end of a branch (drop line), but
only at the two ends of the main backbone (trunk line).
ON
1 2 3 4
Figure 38
Access from the display
With the modules energized, and the Local Bus enabled, the presence of the modules on the terminal box
activates additional menus on the display.
To enable the Local Bus, you need to select "On" in the menu
Settings
,
Modules
,
Local Bus
.
The following table shows the path for accessing the configuration parameters of the modules from the
display:
Settings
…
Main frequency
Modules
Local/Remote
Local Bus
…
Ekip Com DeviceNet™
MAC Address
Baudrate
Ekip Com DeviceNet™ *R
MAC Address
Baudrate
…
Functions
Power Controller
…
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Summary of Contents for SACE Emax E1.2
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