Panasonic FP Series - Page 1038

Pulse output instructions
1037
Part III FP Instructions
 Type 2: The home input is effective only after deceleration (started by near home
input) has been completed.
f
t




0Hz
1
Initial and final speed
3
Near home input: TRUE
2
Target speed
4
Home input: TRUE
5
Home input is effective only after deceleration
Use the following predefined DUT: F168_PulseOutput_Home_DUT
The following parameters can be specified in the DUT:
 Control code
 Initial and final speed
 Target speed
 Acceleration/deceleration time
 Pulse stop (fixed)
Pulse output characteristics
 The pulse output frequency changes according to the specified
acceleration/deceleration time.
 The difference between target and initial speed determines the slope of the
ramps.
General programming information
 Set any high-speed counter allocated to a pulse output channel to "Unused" in
the system registers.
 When programs are being edited in RUN mode, pulse output stops but resumes
after the program changes have been downloaded.
 The high-speed counter control flag (e.g. sys_bIsHscChannel0ControlActive) and
the pulse output control flag (e.g. sys_bIsPulseChannel0Active) are assigned to
the same internal relay (e.g. R903A). Therefore, when a high-speed counter
instruction or a pulse output instruction is executed, both the high-speed counter
control flag (e.g. sys_bIsHscChannel0ControlActive) and the pulse output control
flag (e.g. sys_bIsPulseChannel0Active) for the channel used are TRUE. No other
high-speed counter instruction or pulse output instruction can be executed as
long as this flag is TRUE.
 Even when home input has occurred, executing this instruction causes pulse
output to begin.
 If the near home input is enabled while acceleration is in progress, deceleration
will start.
 If both the main program and the interrupt program contain code for the same
channel, make sure both are not executed simultaneously.
 We strongly recommend that you incorporate a forced stop (see page 1021)
option in you
r positioning p
rogram.
 The status of the high-speed counter control flag or pulse output control flag may
change while a scan is being carried out. For example, if the flag is used more