Signals From Channel (Db21; Positioning Axes (P2); Signals To Axis/Spindle (Db31 - Siemens SINUMERIK 840D sl Function Manual

19.9.3

Signals from channel (DB21, ...)

DB21, ...
DBX38.0
Edge evaluation:
Signal state 1 or This signal displays whether the stroke initiation is active.
edge change 0 → 1
1 signal: Stroke initiation is active.
Signal state 0 or 0 signal: Stroke initiation is not active.
edge change 1 → 0
DB21, ...
DBX38.1
Edge evaluation:
Signal state 1 or This signal displays whether a manual stroke has been initiated.
edge change 0 → 1
1 signal: Manual stroke has been performed.
Signal state 0 or 0 signal: Manual stroke has not been performed.
edge change 1 → 0
19.10

Positioning axes (P2)

The following signals or commands on the NCK-HMI-PLC interface are only of significance for
the positioning axis:
Figure 19-2
19.10.1

Signals to axis/spindle (DB31, ...)

DB31, ...
DBB0
Edge evaluation: No
Signal state 1 or edge
change 0 → 1
Extended Functions
Function Manual, 10/2015, 6FC5397-1BP40-5BA3
Stroke initiation active
Signal(s) updated:
Acknowledgement of manual stroke initiation
Signal(s) updated:
Signal modification by the PLC
Feedrate override / spindle override axis-specific
Signal(s) updated: Cyclic
Positioning axes have their own axis-specific feedrate override value. This feedrate override is
evaluated in the same way as the channel-specific feedrate override.
Z2: NC/PLC interface signals
19.10 Positioning axes (P2)
931