5BCOMMANDS
Further commands can be activated at the SIMATIC S7 port of the FB SIWA_U.
Command
group
Description
1... 5
9
Commands for channel 1:
Commands are passed on to the module via data record 11. The meaning of the
commands corresponds to the list
in Table 6-1 Command list of SIWAREX U
.
The numbers for existing commands are permissible (1, 2, 3, 5, 9)
.
The command 9 corresponds to the command 0 (clear synchr. Error bits) for
channel 1.
101... 105
109
Commands for channel 2:
Commands are passed on to the module via data record 12. The meaning of the
commands corresponds to the list
in Table 6-1 Command list of SIWAREX U
,
though increased by 100. The numbers for existing commands are permissible
(101, 102, 103, 105, 109).
The command 109 corresponds to the command 0 (clear synchr. Error bits) for
channel 2.
203... 240
Reading of a data record 3... 40. The numbers for existing data records are
permissible.
403... 422
Writing of a data record 3... 22. The numbers for existing data records are
permissible.
605
610
Read all data records from SIWAREX U
(DR3, DR4, DR5, DR6, DR21,DR22, DR31, DR32, DR40)
Write all data records (DR3, DR4, DR5, DR6, DR21, DR22) to SIWAREX U
Table 6-2
Command groups of SIWAREX U
Further information on the command transfer from the control program via the SIMATIC port can
be found in Chapter
8 Communication in SIMATIC S7.
6-42
SIWAREX U