Responses To Operator Or Program Actions - Siemens SINUMERIK 840D sl Function Manual
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Effects of commands and NC/PLC interface signals
The channel state of an active program is influenced by various commands and NC/PLC
interface signals. The following table shows the respective resulting state.
Command or NC/PLC interface signal
(IS)
IS "Reset"
IS "NC stop"
IS "NC stop at block limit"
IS "NC stop axes and spindles"
IS "Read-in disable"
IS "Feed stop, channelsp."
IS "Feed stop, axissp."
Feed override = 0%
IS "Spindle stop"
M02/M30 in a block
M00/M01 in a block
IS "Single block"
IS "Delete distance-to-go"
Auxiliary functions output to PLC but not
yet acknowledged
Wait instruction in program
The "Channel state active" signal is obtained when a part program or part program block is
being executed or when axes are traversed in JOG mode.
9.9.7
Responses to operator or program actions
Status transitions
The following table shows the channel and program states that result after certain operator
and program actions.
The left-hand side of the table shows the channel and program states and the mode groups
from which the initial situation can be selected. Various operator/program actions are listed on
Basic Functions
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
K1: Mode group, channel, program operation, reset response
Initial state: "Active"
Resulting state
Reset
x
x
9.9 Program operation
Interrupted
x
x
x
x
x
Active
x
x
x
x
x
x
x
535
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