Siemens SINUMERIK 840 Planning Manual page 343

10 Data fields
10.2.2 PLC machine data words (DB 61)
MD No.
DW 6 Submagazine 1, assigned TO area
m+ 6
The TO area assigned to the submagazine has to be entered. Since only one TO area can be
managed at present, TO area 1 has to be entered for all submagazines.
It is essential to ensure that the TO area allocation of the magazines corresponds to that of the
NC channels (NC machine data MD 104*).
MD No.
DW 7 Submagazine 1, number of the chained magazine
m+ 7
The number of the chained magazine must be specified. Only active if PLC machine data bit
"Chained magazine available" is set.
M functions for tool management
A machine data block of four data words is provided for various applications of M functions. At
present, only one machine data is used.
MD No.
DW 68 Tool data input via NC program, M 1 to M 9999, except standardized
m+ 68 M functions
The user has to specify the M function to be used for synchronization of loading cycle and
PLC FBs when loading via tape (NC program).
MD No.
DW 69 Tool data output via NC program, M 1 to M 9999, except standardized
m+ 69 M functions
The user has to specify the M function to be used for synchronization of loading cycle and
PLC FBs when unloading via tape (NC program).
H groups for tool management
At present, a PLC machine data block of three data words is provided for various applications
of H groups.
_______
1) Range of values for SINUMERIK 840/840C 1...4
10–14
Description
Description
Description
Description
© Siemens AG 1991 All Rights Reserved
11.92
Maximum
input value
1
Maximum
input value
1)
16
6FC5 197-0AA40-1BP1
SINUMERIK 840/880 (PJ)