Specifications

Table Of Contents
A - 60
VICINITY PASSAGE
This allows the pass points to be moved
smoothly during 3D interpolation CP control of
the SV51 dedicated robot.
P2A3
P1
A1
P0
A2
Pass point
Vicinity amount
(radius)
Vicinity amount
(radius)
Center point
When the vicinity passage is zero:
The path will follow P0 P1 P2.
When vicinity passage is designated:
The path will follow P0 A1 A2 A3
P2.
VIRTUAL AUXILIARY INPUT
One of the mechanism programs for the virtual
mode.
Incremental or decremental rotation is applied
from the auxiliary axis' virtual servomotor or
synchronous encoder.
VIRTUAL MAIN SHAFT
One of the mechanism programs for the virtual
mode.
The drive module's rotation is coupled to the
conveyance module's gears with this shaft.
VIRTUAL MODE
A method of operating the mechanism
program drive modules with the servo program
or external encoder, and driving the
servomotor.
Conversely, the method of directly driving the
servomotor with a servo program is called the
real mode.
Refer to the term "MECHANISM PROGRAM".
VIRTUAL MODE STATUS
Special relay M2044, a monitor that allows the
virtual mode to be confirmed.
VIRTUAL SERVOMOTOR
A drive module used in the mechanism
program for the virtual mode, which is started
by the servo program. The main shaft is
coupled to the virtual servomotor.
Vm VELOCITY
Refers to the cam's maximum dimensionless
speed.
Refer to the term "V".
V VELOCITY
Refers to the cam's dimensionless speed. This
is the dimensions displacement (movement
displacement expressed as 0 to 1 from start to
stop) differentiated by the dimensionless time
(operation time expressed as 0 to 1 from start
to stop).
Refer to the term "Vm".
WDT ERROR (Watchdog Timer Error)
This is read as a watchdog timer error. It
means that an error occurred in the PCPU.
M9073 turns ON when an error occurs.
WINDOW
This refers to the selection screen displayed
on the SW6RN-GSV22P or CAMP screen by
the peripheral device.
Menu selection window
Mode function selection window
Sub-function selection window
Execution/setting selection window
WORD
This refers to a data unit. With the MELSEC-A
Series, one word has 16 bits, and the values
handled are -32,768 to 32767 as a decimal or
0 to FFFF as a hexadecimal.
Note that there are 32-bit commands. In this
case, one word will have 32 bits, and the
values will be -2,147,483,648 to
2,147,483,647. As a hexadecimal, the values
will be 0 to FFFFFFFF.