Instruction manual

6. DRIVE MODULE
6 − 10
(3) Command in-position range
The term "command in-position" refers to the difference between the
positioning address (command position) and current feed value.
The "command in-position" signal switches ON when the difference between
the command position and the feed current value enters the setting range
([command in-position] − [feed current value] ≤ [command in-position range]).
The command in-position range is checked constantly during positioning
control. (The command in-position range is not checked during speed control
and JOG operation.)
Command in-position setting
Position
control
start
Command in-position
Execution of command in-position check
ON
OFF
V
Fig. 6.1 Command In-position Range
(4) JOG speed limit and parameter block settings
The speed limit and parameter block used for JOG operations are explained
below.
(a) JOG speed limit
Designates the maximum JOG speed for the virtual axis. If the JOG speed
is set higher than the JOG speed limit value, the JOG speed is restricted to
the JOG speed limit value.
(b) Parameter block setting
Designates the parameter block No. which is used for the JOG operation.
The following parameter block data items are valid during a JOG operation:
acceleration time, deceleration time
, rapid stop deceleration time, and
deceleration processing on STOP input.
Designated JOG speed
JOG speed limit value
Set acceleration
time
Real
acceleration time
Set rapid stop
time
Real rapid stop
time
V
t
V
t
Set deceleration
time
Real
deceleration time
Designated JOG speed
JOG speed limit value
Fig. 6.2 Relationships between the JOG Speed Limit, Acceleration Time,
Deceleration Time, and Rapid Stop Time
POINT
The parameter block system-of-units for interpolation control during a JOG
operation is fixed as "PULSES", regardless of the system-of-units setting.