High-Speed Counter and Pulse Output
FPΣ User's Manual
142
Applicable FPWIN Pro Project:
• Sample_PulseOutput_01_TrapezoidalControl_LD.pro
• Sample_PulseOutput_01_TrapezoidalControl_ST.pro
7.4.4.2 Example 2: Home Return in a Backward Direction (-)
When XA (XA_bGoHomeStart_CH0) turns to TRUE, pulses are output from CCW output Y1
of the specified channel 0 and the return to home begins. When X0 (X0_bNearHome_CH0)
turns to TRUE, deceleration begins, and when X2 turns to TRUE, home return has been
completed. At this point, the elapsed value area (sys_diPulseChannel0ElapsedValue) is
cleared to 0. (Y1 and X2 are used implicitly by F171_SPDH.)
The wiring diagram shown above applies to this program. See page
137.
(-)
(+)
Y1
Y0
0V (24V DC)
XA
X2
X0
X2
X0
B
A
C
XA
Home return start
X2
Home input
X0
Near home input
Y0
CW pulse output
Y1
CCW pulse output
A
Motor driver
B
Stepping motor
(+)
+ side
C
Moving table
(-)
- side
X0
Near home sensor
X2
Home sensor
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