Termination Resistors; Access From The Display - ABB SACE Emax E1.2 Operating Instructions For The Design Engineer

Termination resistors The modules provide the possibility to insert a 220 Ω termination resistor on the RS-485 bus, by setting the
Access from the display With the modules energized, and the Local Bus enabled, the presence of the modules on the terminal box
214 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
dip-switches Rterm on the side of the modules, in position on.
In the event of termination of the bus, a 390 Ω pull-up or pull-down resistor must also be inserted on the lines,
by setting the dip-switches Rpoll, in position on.
These options must be selected before the installation of the modules.
For the positions on and off of the dip-switches, see the following figure.
Figure 37
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:
...
Main frequency
Settings
Modules
Power Controller
...
NOTE: the modules can also be configured with the Ekip Connect software (see the chapter
"16 - Other accessories", and the paragraph "Ekip Connect software" on page 245).
The default serial address is 125 for Ekip Com Profibus DP, and 124 for Ekip Com Profibus DP Redundant,
and can be changed to a value between 1 and 125.
IMPORTANT: devices connected to the same network must have different addresses.
Local/Remote
Local Bus
...
Ekip Com Profibus DP Serial address
Ekip Com Profibus DP *R Serial address
...
Functions
Electronic accessories | 8 - Ekip Com Profibus DP modules
ABB | SACE Emax 2
ON
1 2 3 4
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