P3: Basic PLC Program for SINUMERIK 840D sl
13.12 Basic conditions and NC VAR selector
Basic Functions
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
913
• Testing and diagnostics (ONLINE)
- Variable status/forcing (I/Os, flags, data block contents, etc.)
- Status of individual blocks
- Display of system states (ISTACK, BSTACK, system status list)
- Display of system messages
- PLC STOP/complete restart/overall reset triggering from the programming device
- Compress PLC
• Documentation
- Printout of individual or all blocks
- Allocation of symbolic names (also for variables in data blocks)
- Input and output of comments within each block
- Printout of test and diagnostics displays
- Hardcopy function
- Cross-reference list
- Program overview
- Assignment plan I/O/M/T/Z/D
• Archiving of utility routines
- Allocation of the output statuses of individual blocks
- Comparison of blocks
- Rewiring
- STEP 5 → STEP 7 converter
• Option packages
- Programming in S7–HIGRAPH, S7–GRAPH, SCL.
These packages can be ordered from the SIMATIC sales department.
- Additional packages for configuration modules (e.g. CP3425 → NCM package)
13.12.1.2 SIMATIC documentation required
ReferenceS:
• System description SIMATIC S7
• S7-300 instruction list
• Programming with STEP 7
• User Manual STEP 7
• Programming manual STEP 7; designing of user programs
• Reference manual STEP 7; Instructions list AWL
• Reference manual STEP 7; Ladder Diagram KOP
Note
More information about possible functions can be found in SIMATIC catalogs and
STEP 7 documentation.