Channel-Specific Basic Frames[<N>] - Siemens SINUMERIK 840D sl Function Manual

K2: Axis Types, Coordinate Systems, Frames
10.5 Frames
Programming
A channel-specific grinding frame of the data management $P_GFR[<n>] becomes the
grinding frame $P_GFRAME active in the channel through the appropriate command
(GFRAME0 ... GFRAME100).
Supplementary conditions
Writing of grinding frames through HMI/PLC
Only the grinding frames of the data management can be written from the HMI or the PLC user
program.
10.5.5.4 Channel-specific basic frames[<n>]
Machine data
Number of channel-specific basic frames
The number of channel-specific basic frames is set with the following machine data:
MD28081 $MC_MM_NUM_BASE_FRAMES = <number>
System variable index n = 0, 1, 2, ... <number> - 1
System variables
$P_CHBFR[<n>] (channel-specific basic frames of the data management)
System variable $P_CHBFR[<n>] can be used to read and write the channel-specific basic
frames of the data management. The new values are not immediately active in the channel
when writing a channel-specific basic frame. The activation in the channel only takes effect
with the programming of the appropriate command G500, G54...G599.
The channel-specific basic frames in the data management are also stored during a data
backup.
732
$P_GFRNUM
2
...
99
Command
GFRAME0
GFRAME1
...
GFRAME100
$P_GFRAME == $P_GFR[<n>], where n =
2
...
99
Activation of the grinding frame of the data man‐
agement
$P_GFR[ 0 ]
$P_GFR[ 1 ]
...
$P_GFR[ 99 ]
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Basic Functions