Siemens SINUMERIK 840D sl Commissioning Manual page 100

8 Tool Management
8.4 Start–up in the PLC
Overview DB73
DB73
Data Block
Byte Bit7
DBB 0 INT 8
DBB 1 INT 16
DBB 2, 3
DBB n + 0
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 status for tool
Tool was
in use
DBW n + 40
DBW n + 42
8-100
Turret as change position
Interface NCK–>PLC
Bit6 Bit5 Bit4
INT 7 INT 6 INT 5
INT 15 INT 14 INT 13
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)
Magazine no. of turret (Int)
Location no. of new tool (Int)
Location no. of old tool (Int)
Tool new: loc. type (Int)
Tool new: size left (Int)
Tool new: size right (Int)
Tool new: size top (Int)
Tool new: size bottom (Int)
Tool with Prewarn.
fixed loc. limit
code reached
Tool new: Internal T no. of NCK (Int)
Initial addresses of turrets:
n = (m–1)* len + 4
Example for change position 3:
SINUMERIK 840D sl Commissioning Manual CNC: ShopTurn – 11/2006 Edition
Bit3 Bit2
INT 4 INT 3
INT 12 INT 11
T0
Unassigned
Reserved
Reserved
Reserved
Measu-
ring tools
Reserved
Turret 1: n = 4
Turret 2: n = 48
Turret 3: n = 92
m = Location number of change position
len = 44
n = (3–1)*n 44+ 4= 2*44 + 4= 88 + 4= 92
© Siemens AG 2006 All Rights Reserved
11/2006
Bit1 Bit0
INT 2 INT 1
INT 10 INT 9
Perform Obliga-
change tory
(initia- change
tion:
T
no.
Tool Active
enabled tool