Siemens SINUMERIK 840Di Function Manual page 1996

Basic machine

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Detailed Description

2.15 Spindles (S1)

DBB86 - DBB87

M function for spindle

Edge evaluation: yes

Signal state 1 or

One of the following M functions was output from the NCK to the PLC: M3, M4, M5, M70.

Output occurs by means of: See "Corresponds to ...." below

Corresponds to ....

DB31, ... DBB86 - DBB87 (M function for spindle), axis-specific

DB21, ... DBB58, DBB68 - DBB97 (M function for spindle), channel-specific

DBB88 - DBB91

S function for spindle

Edge evaluation: yes

Signal state 1 or

An S function was output from the NCK to the PLC.

The output occurs by means of: See "Corresponds to ...." below

The following S functions are output here:

The following S functions are not output here:

Corresponds to ....

DB31, ... DBB88 - DBB91 (S function for spindle), axis-specific

DB21, ... DBB60, DBB98 - DBB115 (S function for spindle), channel-specific

Signal(s) updated: cyclic

S.... as spindle speed in rpm (programmed value)

S .... as constant cutting speed in m/min or ft/min

S.... as the programmed Spindle speed limiting G25

S.... as the programmed Spindle speed limiting G26

S .... as spindle speed in rpm if a spindle was not defined in the controller

S.... as the dwell time in spindle revolutions

NC/PLC Interface Signals (Z1)

Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0

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