Siemens SINUMERIK 840 Planning Manual page 342

01.91
At present, the only type of loading of user data supported is loading via tape (NC program).
Precondition: PLC machine data bit 7011.7 = 0 (standard bit assignment).
MD No.
DW 3 Width of the reference list
m+ 3
The maximum number of cutting edges for a tool within the system must be entered here. For
tools with several offsets per cutting edge, the maximum possible value of the product
"Number of cutting edges
*
on the value entered, at least one and a maximum of nine data blocks are generated for the
reference list.
Submagazine-specific machine data words
For every submagazine, a PLC machine data block of four data words each is provided. A total
of sixteen submagazines is supported.
MD No.
DW 4 Submagazine 1, initial address (data word number)
m+ 4
The initial address of submagazine 1 depends on the initial address and the number of
locations of the tool buffer; if the buffer area is fully utilized, it starts at data word 31.
MD No.
DW 5 Submagazine 1, number of magazine locations (corresponds
m+ 5 to number of data words)
The number of magazine locations of the submagazine in question must be entered. At
present, a maximum of 254 locations can be managed in all magazines together, including the
tool buffer. From release 2.0 onwards, a total of 2048 tools can be managed; the number of
tools is limited to 256 per submagazine. If only one submagazine is configured, 254 magazine
locations, minus the tool buffer, can be managed for this magazine.
© Siemens AG 1991 All Rights Reserved
SINUMERIK 840/880 (PJ)
Description
number of offsets per cutting edge" is to be entered. Depending
Description
Description
6FC5 197-0AA40-1BP1
10 Data fields
10.2.2 PLC machine data words (DB 61)
Maximum
input value
9
Maximum
input value
31
Maximum
input value
254
10–13