Communication Management for SIMATIC S7
7.1
Basic Methods of Functioning
PLC
Tags
Display/Operation
Operatingunit
Application
program
Processvalues
Communication
Figure 7-1
Communication structure
Task of the tags
The general exchange of data between the SIMATIC S7-200 and TP 070 is
performed via the process values. To do this, tags must be specified in the
configuration which point to an address in the S7. The TP 070 reads the value
from the specified address and displays it. In the same way, the operator can enter
a value on the operating unit, which is then written to the address in the S7.
TP070 Equipment Manual
Release03/00
7-2
SIEMENS [ Siemens Semiconductor Group ]
