Communications configuring
3-48
System- and communication configuring D7-SYS - SIMADYN D
Edition 12.2003
PROFIBUS.
The following must be observed regarding the validity of these two
parameters:
•
If a COM database has still not been loaded, then
−
the parameters specified by CFC are valid.
−
the SS52 communications module waits for a COM database to be
downloaded.
•
If a COM database is loaded and the baud rate and PROFIBUS
address are the same as those configured with the CFC, then
−
the COM database is activated.
−
communications module SS52 starts with net data transfer.
•
If a COM database is loaded, but the baud rate or PROFIBUS
address does not coincide with that configured in CFC, then
−
the parameters specified by CFC are valid.
−
the module waits for download. (the existing COM database can
also be activated, by correcting the baud rate and PROFIBUS
address at the central block of the COM configuring.)
3.5.1.2
Address connections AT, AR
Special features when making data entries at address connection AT, AR
when using PROFIBUS DP:
Input sequence:
"Channelname.Adressstage1.Addressstage 2"
•
Channel name
−
max. 8 characters
−
ASCII characters except "Point" and @
−
channel names of all transmit- and receive blocks, which access
the same SS52 communications module must be different
(exception for the "Multiple" data transfer mode).
−
the channel name has no special significance for PROFIBUS DP.
•
Input "." after the channel name
•
Address stage 1:
−
the slave PROFIBUS address is specified as address stage 1.
−
the slave PROFIBUS address may only assigned once for each
transmit- and receive channel.
−
value range: 0, 3 - 123
Entries at address
connection AT, AR