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Plc Programming Tool; Data Interface - Siemens SINUMERIK 840D sl Function Manual

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P4: PLC for SINUMERIK 828D

14.5 Data interface

14.4

PLC Programming Tool

The "PLC Programming Tool" is a tool for writing PLC user programs in a user-friendly fashion.
This is a Windows program and must be installed on a Windows PC. For online access to the
control, the PC must be connected to the control via one of the Industrial Ethernet ports, X130
(factory network) or X127 (service interface).
When the "PLC Programming Tool" is called, without specifying an existing project, a new
project is created with the default name "Project1." This project can be immediately used to
generate the PLC user program, saved under any name, and loaded into the control. Existing
projects can be opened in the usual Windows manner.
The online help for the "PLC Programming Tool" can also be called with the "F1" function key,
just like in Windows.
References
● SINUMERIK 828D Commissioning Manual, turning and milling
Section: "Scope of delivery and preconditions" > "Communication with the controller" >
"This is how you communicate with the controller via the programming tool"
● Online help for the PLC Programming Tool
14.5
Data interface
Data is cyclically exchanged on one hand between the PLC and NC and and on the other hand
between the PLC and HMI. This especially means that the data received from HMI and destined
for the NC must be marshaled by the user program in order that these become effective.
Data to the PLC are provided by the firmware at the start of the user program cycle. This
ensures, for example, that the signals from the NCK remain constant throughout a cycle.
Data from the PLC are transferred by the firmware to the NKC or HMI at the end of the user
program cycle.
All data of this interface are listed in the manual for SINUMERIK 828D, PPU.
1086
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Basic Functions

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