Detailed description
2.7 PLC status
Basic logic functions: Diagnostic tools (D1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
39
2.7
PLC status
PLC status signals can be checked and altered via the operator panel in the "Diagnostics"
operating area.
Application
The end customer or service personnel can use this function on site without a programming
device to do the following:
•
Check the input and output signals of the PLC I/Os.
•
Carry out limited troubleshooting
•
Check the interface signals for diagnostic purposes.
Operation
For information about status display operation and changing PLC signals, refer to the
Operator's Guide for the relevant HMI software.
Status display
The status of the following data can be displayed on the operator panel.
•
Interface signals from the machine control panel
•
Interface signals to the machine control panel
•
Interface signals between the NCK and PLC
•
Interface signals between the HMI and PLC
•
Data blocks (DB 0-127)
•
Flags (FB 0-255)
•
Timers (T 0-127)
•
Counters (C 0-63)
•
Inputs (IB 0-127)
•
Outputs (QB 0-127)
For a breakdown of the interface signals (DBx, DBBy), refer to:
References:
/LIS2/ Lists (Volume 2)
Change in status
The status of the above signals can be changed for test purposes. Signal combinations are
also possible. A maximum of ten operands can be altered at any one time.
Summary of Contents for SINUMERIK 840D sl
Page 282: ...Index Basic logic functions Acceleration B2 64 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 388: ...Basic logic functions Travel to fixed stop F1 Function Manual 11 2006 6FC5397 0BP10 2BA0 52 ...
Page 962: ...Index Basic logic functions Emergency Stop N2 20 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 1704: ...Constraints Basic logic functions Spindles S1 94 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 1716: ...Index Basic logic functions Spindles S1 106 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 1996: ...Index Basic logic functions Tool Offset W1 208 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 2150: ...Table of contents Basic logic functions Appendix 4 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 2184: ...Glossary Basic logic functions Appendix 38 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...