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Signals From Axis/Spindle (Db31 - Siemens SINUMERIK 840D sl Function Manual

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Z1: NC/PLC interface signals
19.12 Feeds (V1)
19.12.3

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

DB31, ...
DBX62.2
Revolutional feed rate active
Edge evaluation: no
Signal state 1 or
For programming of G95 (revolutional feed rate) in JOG mode or automatic mode.
edge change
0 → 1
Corresponding to ....
SD41100 $SN_JOG_REV_IS_ACTIVE (revolutional feed rate for JOG active)
SD42600 $SC_JOG_FEED_PER_REV_SOURCE
(in the JOG mode revolutional feed rate for geometry axes, on which the frame with rotation acts)
SD43300 $SA_ASSIGN_FEED_PER_REV_SOURCE
(revolutional feed rate for position axes/spindles)
MD32040 $MA_JOG_REV_VELO_RAPID (revolutional feed rate for JOG with rapid traverse override)
MD32050 $MA_JOG_REV_VELO (revolutional feed rate for JOG mode)
DB31, ...
DBB78 - DBB81
F function for positioning axis
Edge evaluation: no
Signal state 1 or
The F value of a positioning axis programmed in the current block is entered in the axisspecific PLC
edge change
interface signal.
0 → 1
The assignment between the DB number and machine axis number is established using the axis
name.
The value is retained until it is overwritten by another.
Format: Binary number in real format.
Application exam‐
Modification of the programmed F value by the PLC, e.g. by overwriting the selected axisspecific feed
ple(s)
rate override.
Corresponding to ....
MD22240 $MC_AUXFU_F_SYNC_TYPE (output time F functions)
1670
Signal(s) updated: cyclic
Signal(s) updated: cyclic
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Basic Functions

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