Adapt fieldbus configuration
6.4 Communication via PROFIBUS
Configuring the communication using SIMATIC S7 control
● If the inverter is listed in the hardware library of HW-Conifg, you can configure the
communication in the SIMATIC control.
● If the inverter is not listed in the hardware library, you can either install the newest
STARTER version or install the GSD of the inverter through "Extras/GSD-Install file" in
HW-Config. See also GSD
(http://support.automation.siemens.com/WW/view/en/22339653/133100
).
When you have installed the GSD, configure the communication in the SIMATIC control.
You set the PROFIBUS address of the inverter using
the address switch on the Control Unit, in parameter
p0918 or in STARTER.
In parameter p0918 (factory setting: 126) or in
STARTER, you can only set the address, if all a
d-
dress switches are set to "OFF
" (0) or "ON" (1).
If you have specified a valid address with the a
d-
dress switches, this address will always be the one
that takes effect and parameter p0918 cannot be
changed.
Valid address range: 1 … 125
The positions of the address switches are described in Section: Overview of the interfaces
(Page 34).
To change the bus address, proceed as follows:
1. Set the address using one of the subsequently listed options:
– using the address switch
– from an operator panel using parameter p0918
– in STARTER using screen form "Control Unit/Communication/PROFIBUS" – or using
the expert list in parameter p0918
After you have changed the address in STARTER, carry out RAM to ROM (
).
2. Switch off the inverter supply voltage.
3. Wait until all LEDs on the inverter go dark.
4. Switch on the inverter supply voltage again.
Your settings become active after switching on.
You have now changed the bus address.
Converter with control units CU240D-2
112 Operating Instructions, 04/2015, FW V4.7.3, A5E34262100B AB
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