Siemens SINUMERIK 840Di Function Manual page 625

2.7.9 Example of timing diagram for a program run
Signal sequences
NC START (from PLC, MMC, COM, X-user language)
NC STOP (from PLC, MMC, COM, X-user language)
IS "NC START DISABLE"
IS "Read-in disable"
IS "Axis controller enable"
IS "Feed STOP"
IS "Spindle controller enable"
IS "Spindle STOP"
IS "Program status running"
IS "Program status interrupted"
IS "Program status stopped" (from NCK) (3)
IS "Program status aborted" (from NCK) (4)
IS "Travel command X axis" (from NCK)
IS "Exact stop fine" (from NCK)
IS "Spindle stationary" (from NCK)
IS "Spindle in setpoint range" (from NCK)
Link via PLC user program
AuxF M170 from PLC user program completed
i.e., block N10 completed (AuxF output during traverse)
Program stopped with read-in disable
Program aborted with RESET
Fig. 2-8 Examples of signals during a program run
2.7.10 Program section repetitions
Use
Basic information
Program sections, which have already been programmed, are frequently needed again.
Instead of using subprograms, you can repeat existing program sections in any order.
Mode Group, Channel, Program Operation, Reset Response (K1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
(DB21, ... DBX7.0)
(DB21, ... DBX6.0)
(DB31, ... DBX2.1)
(DB31, ... DBX8.3)
(DB31, ... DBX2.1)
(DB31, ... DBX8.3)
(DB21, ... DBX35.0)
(DB21, ... DBX35.3)
(DB21, ...DBX35.2)
(DB21, ... DBX35.4)
(DB31, ... DBB68)
(DB31, ... DBX60.7)
(DB31, ... DBX61.4)
(DB31, ... DBX83.5)
(1)
Spindle ramp-up Axis running
Detailed Description
2.7 Program operation mode
(2)
Program:
N10 G01 G90 X100
M3 S1000 F1000
M170 If N20 M0 If
.....
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