Mitsubishi MELSEC-F FX-TRN-BEG-E User Manual page 62

FX-TRN-BEG-E
2) Counting the number of parts
Control specifications
a) When the part supply command (X002) is set ON, the part supply output (Y000) is
initiated.
b) The conveyor operation command (X003) initiates the conveyer forward output (Y001).
c) The number of parts is counted (counter C0) by the detection sensor (X000).
d) When the number of parts reaches 10, the count-up indicator lamp (Y006) is lit.
e) The counter is reset by input (X001).
X002
X003
X000
C0
X001
Minor Addition
Let's stop the supply of parts when the current value of the counter reaches the set value
(K10).
X002 C0
Let's supply parts only while the conveyor is moving.
X002 C0
Add this.
Y001
Add this.
As you can see, the operation is changed when
only a minor addition is made in the program. In
actual machines, programs for assuring safety are
added to the basic control specifications.
a)
Y000
b)
Y001
K10
c)
C0
d)
Y006
e)
RST C0
• Include a NC contact for the counter to line
Y000
a) above.
• Include a NC contact for the conveyor
Y000
operation (Y001) to line a) above.
C: Easy Does It! 3
B-34