Mitsubishi Electric MELDAS C6 Interface Manual page 141

B con-
Signal name
Tact
—
NEW TOOL CHANGE
[Function]
This signal notifies that a new tool (not used tool) in the group is to be selected for tool life
management II.
[Operation]
<For L system tool life management II>
This signal turns ON when:
(1) When the tool selected by the T command tool selection is an unused tool (tool for which the
status is 0).
This signal turns OFF when:
(1) When the T command is completed due to the input of the "Miscellaneous function finish" signal
(FIN1, FIN2).
<For M system tool life management II>
This signal turns ON when:
(1) When the tool mounted as a standby tool is a not used tool (tool for which the status is 0).
This signal turns OFF when:
(1) When another tool is mounted as a standby tool.
Note that if the replacement tool is a not used tool, this signal will remain ON.
[Caution]
When this signal is used in M system tool life management II, refer to the ladder cycle after the
standby tool is changed. (This signal will not change in the same cycle in which the standby tool
was changed.)
6. EXPLANATION OF INTERFACE SIGNALS
6.1 PLC Input Signals (Bit Type: X***)
Signal
abbreviation
TCRQ
6-1-52
1st system 2nd system
X64C X6CC
3rd system
X74C