• Various start commands are accepted exclusively
while the BFM #28 b0 is set to 1 (READY).
• Various data is also accepted exclusively while the
BFM #28 b0 is set to 1 (READY). However, the
BFM #25 b1 (stop command), the BFM #25 b2
(forward pulse stop) and the BFM #25 b3 (reverse
pulse stop) are accepted even while the BFM #28
b0 is set to 0 (BUSY).
• The data can be read from the PGU to the PC
without regard to the setting of the BFM #28 b0.
• The current position is changed accompanied by
generation of pulses even while the BFM #28 b0 is
set to 0 (BUSY).
< Reading of status information >
* When a drive amplifier for a stepper motor without
the positioning completed output is used, this signal
can be used for recognition of positioning
completed and the next operation can be started.
M20
M8000
RUN
monitor
BFM #28 (b11~b 0) → (M31~M20)
M21
M22
M23
M24
M25
(READY/BUSY)
(Forward rotation/reverse rotation)
(Home position return completed/
unexecuted)
(STOP input ON/OFF)
(DOG input ON/OFF)
(PG0 input ON/OFF. However, it may
not be turned on or off if PG0 input time
is shorter than calculation time.)
M26
(Current position value overflow)
M27
(Absence/
presence of error)
Error code
M28
(Positioning completed*)
FROM K 0 K 28 K3M20 K 1
FROM K 0 K 29 D200 K 1
5
FX-1PG/FX
2N
-1PG PULSE GENERATOR UNIT BFM LIST
5-14
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