Communications configuring
3-142
System- and communication configuring D7-SYS - SIMADYN D
Edition 12.2003
Thus, it can take several sampling periods until the first telegram is
transmitted or received!
3.13.4.2
Function blocks which can be used
All of the function blocks for the communications utilities, process data,
message system and display, can be used.
A unique channel name must be specified at inputs AT/AR. Address
stage 1 and address stage 2 are used as follows:
AT/AR:
"Channel name.address stage 1.address stage 2"
•
Channel name
−
unique channel name
•
Enter "." after the channel name
•
Address stage 1
−
telegram type
−
value range and significance:
0: drive telegram
1: OP2 telegram
•
Enter "." after address stage 1
•
Address stage 2
−
station address of the slaves where data is to be transferred.
−
value range and significance:
0 - 30: slave station address
99: broadcast address
1. AT- 'SENDER.0.25'
−
the channel with the name BROADCAS sends a device telegram
to the station with number 25.
2. AT- 'BROADCAS.1.99'
−
the channel with the name BROADCAS transmits an OP2 telegram
as broadcast telegram.
NOTE
•
Precisely one transmit- and precisely one receive channel are
permitted for each slave. If more transmitters/receivers attempt to log-
on, then these channels remain active.
•
A maximum of 16 broadcast transmitters are permitted. If more than
one broadcast transmitter attempts to log-on, these channels do not
go into operation.
General
Data entries at
inputs AT, AR
Examples of data
entries at AT, AR
