Omron SYSMAC C20K Operation Manual page 112

Timer and Counter Instructions
The following diagram shows the packaging system and the corresponding
timing chart.
Rotary encoder E6A
(0000)
Packages
Motor 1 (M1)
PH1
(0002)
E6A
(0000)
M1 rise
(0100)
LS4
(0006)
LS3
(0005)
M2
forward
(0102)
LS2
(0004)
LS1
(0003)
M2
backward
(0103)
M1 fall
(0101)
In this example, "x" is the number of pulses per package. To detect four pack-
ages therefore, 4x must be set as the preset value of the high-speed counter.
Reflective photoelectric
switch PH1 (0002)
Motor 2 (M2)
Rear limit switch for
pusher LS1 (0003)
Fixed stopper
Pusher
Front limit switch for
pusher LS2 (0004)
Upper limit switch for stopper LS3 (0005)
Moving stopper
Lower limit switch for stopper LS4 (0006)
Section 5-11
101