Signal Description - Siemens SINUMERIK 840DE sl Commissioning Manual

11/2006
Data transfer with
dual gripper
8.4.2

Signal description

Overview of
data blocks
© Siemens AG 2006 All Rights Reserved
SINUMERIK 840D sl Commissioning Manual CNC: ShopMill – 11/2006 Edition
FB110 from the AWL source TM_W_GR.AWL may be used for data transfer
with dual gripper.
The tool change is carried out in two steps by the magazine in the spindle. The
tool is first moved from the magazine to the gripper and then onto the spindle.
Table 8-2 Input parameters of FB110 from TM_W_GR.AWL
Signal Type
Prepare_IF1 BOOL
Change1_IF1 BOOL
Change2_IF1 BOOL
Load_IF1 BOOL
Unload_IF1 BOOL
Relocate_IF1 BOOL
Position_IF1 BOOL
Reset_IF BOOL
Note
MD 9673 CMM_TOOL_LOAD_STATION defines which interface will be
loaded/unloaded.
The following data blocks are used by tool management; i.e. they must not be
assigned by the PLC user program:
DB 71 for loading/unloading stations
DB 72 for spindle as change point
DB 74 internal data block for tool management
If you need to change the data for magazines, buffers, or loading positions, de-
lete data blocks DB 71 to DB 74 and restart the PLC.
8.4
Default
TRUE Enable preparation for spindle 1
TRUE Enable change step 1 (via gripper 1/2) for
spindle 1
TRUE Enable change step 2 (via gripper 1/2) for
spindle 1
TRUE Enable loading for load point 1
TRUE Enable unloading for load point 1
TRUE Enable relocation for load point 1
TRUE Acknowledge positioning to loading point 1
FALSE Abort for one of the above–mentioned func-
tions
8 Tool Management
Startup in the PLC
Comments
8-91