FX Series Positioning Controllers
Operation, Maintenance and Inspection 8
8-5
8.1.7
Each signal fetch timing
In order to write programs correctly, the writer must be aware of the timing in which the posi-
tioning unit detects and executes operations in response to the various inputs.
Special auxiliary relays for the instruction input is always observed in the AUTO mode.
(Refer to Section 6.2)
Table 8.3: Each signal fetch timing
Input signals
MANU mode
AUTO mode
Motor stopped
Motor running
Motor stopped
Motor running
SVRDY
Before drive.
Continuously
monitored
Before drive.
Continuously
monitored
SVEND
After drive
After drive
PGO
After near-point
DOG actuation.
After near-point
DOG actuation.
DOG
Before zero
return drive.
During zero
return operation.
Before zero
return drive.
During zero
return operation.
START
During READY
status.
STOP
Continuously monitored.
MANU
Continuously monitored.
ZRN
Continuously
monitored
During standby
after END step.
FWD, RVS
(JOG+, JOG-)
Continuously monitored
During standby after END step.
LSF, LSR
Before drive.
Continuously
monitored
Before drive.
Continuously
monitored
X00 to X07
When the manual pulse generator is
operating.
When the man-
ual pulse genera-
tor is operating,
During standby
after END step.
During execution
of INT, SINT,
DINT instruc-
tions.
General purpose inputs
X00 or more
When the corresponding instruction
is executed.
Inputs specified by
parameters.
Continuously monitored.
Содержание FX2N-10GM
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