Siemens SINUMERIK 840D sl Commissioning Manual page 99

11/2006
Overview DB72
DB72
Data Block
Byte Bit7
DBB 0 INT 8
DBB 1
INT 16
DBB 2, 3
DBB n + 0 Reserved
DBB n + 1
DBB n + 2
DBB n + 3
DBD n + 4
DBD n + 8
DBD n + 12
DBW n + 16
DBW n + 18
DBW n + 20
DBW n + 22
DBW n + 24
DBW n + 26
DBW n + 28
DBW n + 30
DBW n + 32
DBW n + 34
DBW n + 36
DBW n + 38
Tool has
been used
DBW n + 40
DBW n + 42
DBW n + 44
DBW n + 46
© Siemens AG 2006 All Rights Reserved
SINUMERIK 840D sl Commissioning Manual CNC: ShopTurn – 11/2006 Edition
Spindle as change position
Interface NCK–>PLC
Bit6 Bit5 Bit4
INT 7 INT 6 INT 5
INT 15 INT 14 INT 13
Detach Attach OldTool in
manual tool manual BL No.
tool (n+42)
Assigned channel (8–bit Int)
Tool management number (8bit–Int)
$P_VDITCP[0], user–assignable parameter 0 (DWord)
$P_VDITCP[1], user–assignable parameter 1 (DWord)
$P_VDITCP[2], user–assignable parameter 2 (DWord)
Buffer identifier (Int), fixed value 9998)
equals "Target position for new tool"
Relative location (target) in buffer magazine (Int)
Magazine no. (source) for new tool (Int)
Location no. (source) for new tool (Int)
Magazine no. (target) for old tool (Int)
Location no. (target) for old tool (Int)
New tool: Location type (Int)
New tool: Size on left (Int)
New tool: Size on right (Int)
New tool: Size at top (Int)
New tool: Size at bottom (Int)
Tool status for new tool
Tool with Prewar-
fixed loc. ning limit
code reached
New tool: Internal T number of NCK (Int)
If DBX (n+0.4) = 1, then the buffer location of the old tool must be entered here
Initial addresses of spindles:
n = (m–1)* len + 4
Note
DBB (n+1) to DBW (n+46) are updated only by a T selection.
8.4
Bit3 Bit2
INT 4 INT 3
INT 12 INT 11
TO Prepare
change
Unassigned
Measure
tool
Standby
Standby
Spindle 1: n = 4
Spindle 2: n = 52
Spindle 3: n = 100
m = Location number of change position
len = 48
8 Tool Management
Start–up in the PLC
Bit1 Bit0
INT 2 INT 1
INT 10 INT 9
Change tool Obliga-
(initiated by: tory
M06) change
Enable Active
tool
tool
8-99