Siemens SINUMERIK 828D

K1: Mode group, channel, program operation, reset response
9.7 Block search
Basic Functions
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
513
Example: Sequence with cascaded block search
• RESET
• Block search up to search target 1
• Block search up to search target 2 → "Cascaded block search"
• NC Start for output of the action blocks → Alarm 10208
• NC Start → Continue program execution
Figure 9-3 Chronological order of interface signals
Block search
active (DB21, ...
DBX33.4)
Action block
active (DB21, ...
DBX32.3)
Block search
starting
Search target 1
found
Block search
starting
Search target 2
found
NC Start
action blocks
being output
Last
action block
Channel status
Reset (DB21, ...
DBX35.7)
Last action block
active (DB21, ...
DBX32.6)
Channel status
interrupted
(DB21, ... DBX35.6)