Siemens SIMATIC PROFINET with STEP 7 V13 Посібник з експлуатації - Сторінка 20
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Description
2.1 Introduction to PROFINET
Identification and numbering of the interfaces and ports
Interfaces and ports for all modules and devices in the PROFINET system are identified with
the following characters:
Table 2- 3
Element
Interface
Port
Ring port
Examples of identification
Three examples illustrate the rules for identifying PROFINET interfaces:
Table 2- 4
Sample labeling
X2 P1
X1 P2
X1 P1 R
Representation of PROFINET Interfaces in the Topology Overview in STEP 7
You can find the PROFINET interface in the topology overview in STEP 7. The PROFINET
interface for an IO controller and an IO device is represented as follows in STEP 7:
Number
Description
①
PROFINET interface of an IO controller in STEP 7
②
PROFINET interface of an IO device in STEP 7
③
These lines represent the PROFINET interface.
④
These lines represent the "ports" of a PROFINET interface.
Figure 2-5
Representation of the PROFINET interfaces in STEP 7
20
Identification for interfaces and ports of PROFINET devices
Symbol
X
P
R
Examples for identifying PROFINET interfaces
Interface number
2
1
1
Interface number
In ascending order starting from number 1
In ascending order starting from number 1
(for each interface)
Port number
1
2
1 (ring port)
Function Manual, 12/2014, A5E03444486-AF
PROFINET with STEP 7 V13