Yaskawa i80M Connecting Manual - Manual (Page 257)

21. 3.1.28 TOOL LIFE CONTROL INPUTS AND OUTPUTS # 30250 -TGN7 # 30257,
TLSKP # 30281, TLRST # 30280, TLCH # 35052)
When the tool life (the cutting time or the number of workplaces cut per tool), tool group num-
ber, and tool use compensation number are registered in the control and the tool life control T
code is designated for a part program, the tool life control function is exercised to provide T
command control in accordance with the machining time and the number of machined
pieces,
This section, however, gives signal descriptions only. For sample programs, refer to the
YASNAC i80L Instruction Manual.
The following signals are used for the tool life control function.
Tool replacement completion tool group number input and tool replacement
completion input
Took skip input
Tool replacement request output
Further, it is necessary to make appropriate entries into the NC memory area using the program
tape or operation panel MDI.
(1) Tool Replacement Completion Tool Group Number Inputs and Tool Replace-
ment Completion Input
The TLRST input informs the control of tool replacement completion after the tools having the
group number that indicates the end of useful tool life are replaced.
In accordance with Table set the replaced tool group number with the TGNO-TGN7 in-
puts and close the TLRST input.
When all the tools having the group number that indicates the end of useful life are replaced,
the tool replacement request output opens.
Table 21.7 inputs and Replaced Tool Group Numbers
Input state Replaced tool group number
Input state
I
Replaced tool
‘TGN7 TGN6 T G N 1 TGNo
0 o 0 1 I
. .
I
I
I
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