Each Signal Fetch Timing - Mitsubishi FX2N-10GM Hardware / Programming Manual

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