A2: Various NC/PLC interface signals and functions
1.2 NC/PLC interface signals
Basic Functions
36
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
1.2
NC/PLC interface signals
1.2.1
General
NC/PLC interface
The NC/PLC interface comprises the following parts:
• Data interface
• Function interface
Data interface
The data interface is used for component coordination:
• PLC user program
• NC
• HMI (operator components)
• MCP (Machine Control Panel)
Data exchange is organized by the basic PLC program.
Cyclic signal exchange
The following interface signals are transferred cyclically, i.e. in the clock grid of the OB1, by the basic PLC
program:
• NC and operator-panel-front-specific signals
• Mode groupspecific signals
• Channelspecific signals
• Axis/spindlespecific signals
NC and operator-panel-front-specific signals (DB10)
PLC to NC:
• Signals for influencing the CNC inputs and outputs
• Keyswitch signals (and password)
NC to PLC:
• Actual values of CNC inputs
• Setpoints of CNC outputs
• Ready signals from NC and HMI
• NC status signals (alarm signals)
Содержание SINUMERIK 828D Turning
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Страница 816: ...K2 Axis Types Coordinate Systems Frames 10 9 Data lists Basic Functions 816 Function Manual 09 2011 6FC5397 0BP40 2BA0 ...
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Страница 1774: ...Glossary Basic Functions 1774 Function Manual 09 2011 6FC5397 0BP40 2BA0 ...