Siemens SINUMERIK 880 Planning Guide

01.91 9 Examples
9.1.3 Description of the PLC program
9.1.3.4 Maschine data
Not all parameters could be stored in the machine data. Some data are therefore temporarily
stored in data block DB 146:
DB 146
DW 136
DW 137
DW 138
DW 143
Magazine number of loading/unloading point
Offset loading point 1
Offset loading point 2
DB Tool list (package 2)
| DB Exchange list
Loading point "Magazine number"
This data word specifies the number of the magazine where the loading point is located. In a
loading operation with operator guidance, the search for an empty location starts from this
magazine. If no empty location is available here, the search continues in the chained
magazines.
Offset loading point 1/2
These data words specify the difference between actual position and loading point 1/2.
DB Tool list (Package 2)
These data include the number of the first DB of the tool list (Tool list = 3 DBs in parallel).
DB Exchange list (Package 2)
This data word includes the number of the first DB of the exchange list (Exchange list
=3 DBs and list of missing tools = 3 DBs in parallel).
Data structure of the magazine table for this example:
Magazine area
Buffer
Loading/unloading area
Magazine table :
Loading line
Unassigned
Spindle
Gripper 1
Gripper 2
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Search screen form
© Siemens AG 1991 All Rights Reserved 6FC5 197-0AA40-1BP1 9–29
SINUMERIK 840/880 (PJ)

Siemens SINUMERIK 880 Specifications

General

Brand	Siemens
Model	SINUMERIK 880
Category	Control Unit
Language	English