2.2 Specifications
2.2.3 SVC Function Module Specifications
2-9
2
Basic Information on Motion Control Function Modules
Servo Control
Communication Methods
Synchronous communications through single send transmis-
sions
Transmission/communications error detection (hardware) pro-
vided.
Synchronous communications error detection (software) pro-
vided.
No automatic recovery function (recovery occurs when alarms
are cleared).
I/O Registers
I/O using motion registers (synchronized with the high-speed
scan).
Command Modes
Motion Command Mode and MECHATROLINK Transmission
Reference Mode
Supported Servomotors Standard, linear, and DD servomotors
Control Types
Position control, speed control, torque control, and phase con-
trol can be selected during operation.
Motion Commands
Positioning, external positioning, zero point returns, interpola-
tion, interpolation with latch input, jogging, STEP operation,
speed references, torque references, phase control, jogging with
external positioning, etc.
Acceleration/Deceleration Methods
One-step asymmetric trapezoidal acceleration/deceleration,
exponential acceleration/deceleration filter, and moving average
filter
Position Unit Pulses, millimeters, inches, degrees, or micrometers
Speed Unit
Reference units/s, 10
n
reference units/min, or percentage of
rated speed (0.01% or 0.0001%)
Acceleration Unit
Reference units/s
2
or milliseconds (acceleration time from 0 to
the rated speed)
Torque Unit Percentage of rated torque (0.01% or 0.0001%)
Electronic Gear Supported.
Position Management Methods
Finite-length position management, infinite-length position man-
agement, absolute infinite-length position management, and
simple absolute infinite-length position management
Software Limits One each in positive and negative directions
Zero Point Return Method 13 types
SERVOPACK Parameter
Management
SERVOPACK parameters can be managed in the MPE720’s
SERVOPACK Parameter Tab Page.
Simulation Mode Supported.
SVR or
SVR32
Maximum Number of
Controlled Axes
SVR32: 32 axes
SVR: 16 axes
Register Range The registers for two circuits are assigned.
I/O Control Functions
Communication Methods
Synchronous communications through single send transmis-
sions
Transmission/communications error detection (hardware) pro-
vided.
Synchronous communications error detection not provided.
Automatic recovery function provided.
I/O Registers
I/O using I/O registers, synchronized on the high-speed scan or
low-speed scan (selectable)
I/O Commands
Only I/O MECHATROLINK-III standard profile can be used.
Data I/O, reading parameters, writing parameters, reading
alarms/warnings, and clearing alarms
Self Configuration Module and slave devices can be automatically assigned.
Synchronization between Modules
Synchronization is supported when the high-speed scan cycle is
an integral multiple or integral factor of the transmission cycle.
We recommend saving the settings to flash memory and then
turning the power supply OFF and ON again whenever these
settings are changed.
Synchronization between Slaves Supported.
Continued from previous page.
Item Specification
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