Siemens SINUMERIK 840D sl User Manual

Edit PLC user program (828D only)
23
23.1 Introduction
A PLC user program consists to a large degree of logical operations to implement safety
functions and to support process sequences. These logical operations include the linking of
various contacts and relays. These logic operations are displayed in a ladder diagram.
Editing ladder diagrams
You can edit the ladder diagrams in the Ladder editor.
This allows you to use all the operations supported by the particular PLC type.
Some of the functions differ in scope from that described in the manual.
Machine manufacturer
Please observe the information provided by the machine manufacturer.
References
Further information can be found in the "Function Manual Basic Functions", Chapter P4: PLC
for SINUMERIK 828D.
Milling
Operating Manual, 08/2018, 6FC5398-7CP41-0BA0 897

Siemens SINUMERIK 840D sl Specifications

General

Control Type	CNC
Number of Axes	Up to 31
Max Number of Channels	10
Interfaces	Ethernet, PROFIBUS, PROFINET, USB
Interpolation	5-axis interpolation
Operating Temperature	0°C to 45°C
Relative Humidity	Up to 95% (non-condensing)
Display	TFT color display, various sizes
Programming Languages	DIN/ISO
Safety Features	Safety Integrated
PLC	Integrated PLC S7-300
Drive Interface	SINAMICS S120
Data Storage	CF card, USB
Operating System	Windows-based