Network components
© KEB, 2012-10 COMBIVERT F5-A, -E, -H Page 10.1 - 9
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10.1.9 Bus parameter
10.1.9.1 Inverter address (SY.06)
In SY.06 can be adjusted, if the inverter shall be responded via "COMBIVIS" or another control. Values between
0 and 239 are possible, the default value is 1. If several inverters are operated on the bus simultaneously, it is
absolutely necessary to assign different addresses to them, since otherwise it leads to communication failu-
res, because several inverters may answer at the same time. The description of the DIN 66019II protocol (C0.
F5.01I-K001) contains further information to this. SY.06 is not reset on loading the default parameters.
10.1.9.2 Baud rate ext. bus (SY.07)
Following values for the baud rate of the serial interface are possible:
SY.07: Baud rate ext. bus
Value Baud rate
0 1200 Baud
1 2400 Baud
2 4800 Baud
3 (default) 9600 Baud
4 19200 Baud
5 38400 Baud
6 55500 Baud
If the value for the baud rate is changed via the serial interface, it can be changed again only via keyboard or
after adapting the baud rate of the master, because no communication is possible with different baud rates of
master and slave.
Should problems occur at the data transmission choose a transfer rate of maximal 38400 baud.
10.1.9.3 Baud rate int. bus (SY.11)
The transmission speed between operator and inverter is determined with the internal baud rate. The following
values are possible (unit-dependent):
Va-
lue
Baud rate Value Baud rate Va-
lue
Baud rate
3 9,6 kBaud 6 55,5 kBaud 9 115,2 kBaud
4 19,2 kBaud 7 57,6 kBaud 10 125 kBaud
5 38,4 kBaud 8 100 kBaud 11 250 kBaud
10.1.9.4 Watchdog time (Pn.06)
For continuous control of the communication at the operator interface it is possible to trigger an error message
of the inverter, without incoming telegrams after expiration of an adjustable time (0.01… 10 s). The function can
be deactivated by setting the value "off".
10.1.9.5 Response to E.bus (Pn.05)
This parameter determines the response to a watchdog error. The message E.buS or A.buS is output depen-
dent on the selected adjustment.
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