Specifications; System Configuration; Control Modes - NSK MEGATORQUE M-ESB-YSB2020AB300 User Manual

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2. Specifications

2.1. System Configuration

2.1.1. Control Modes

l The ESB Driver Unit is compatible with several interface devices.
Table 2-1: List of control input
Control mode
<Programmable Indexer>
· Stores positioning programs to internal
channels.
· Performs a positioning by the inputs of
channel selection and starting command.
· The command will be the absolute
positioning or the incremental positioning
Position control format.
mode
<Pulse train command>
· Number of input pulses governs the
positioning.
<RS-232C serial communication>
· The master controller outputs directly the
position command.
· The command is in absolute positioning
or incremental positioning format.
<Analog command (± 10V)>
· Motor rotates accordingly to input
voltage.
Velocity control
mode
<RS-232C serial communication>
· The master controller outputs a velocity
command.
<Analog command (± 10V)>
· The Motor outputs a torque corresponding
to an input voltage to the Driver Unit.
Torque control
mode
<RS-232C serial communication>
· The master controller outputs a torque
command.
Table 2-2
Interface
Programmable Indexer
Pulse train command
RS-232C communication
Analog command
* Velocity and Torque control modes are not available to the B3 and 23 type Driver Units.
Way of command input
Position control mode
ü
ü
ü
— 2-1 —
Devices to be used
· Sequencer (Input/Output unit)
· NC controller (Provided with
Inputs/Outputs of M function)
· Sequencer
(Positioning control unit)
· Pulse train position controller
· Sequencer
(Serial communication unit)
· RS-232C communication terminal
(Personal computer, etc.)
· Sequencer
(Analog command output)
· Servo motor controller
· Additional controlling axis of NC
controller
· Sequencer
(Serial communication unit)
· RS-232C communication terminal
(Personal computer, etc.)
· Sequencer
(Analog command output)
· Additional control axis of NC
controller
· Sequencer
(Serial communication unit)
·
RS-232C communication terminal
(Computer, etc.)
Velocity control mode*
ü
ü
2. Specifications
2.1. System Configuration
Application
· Various types
of indexing
application
· Intermittent
positioning
control
· Rolling and
winding
mechanism
· Velocity
control
· Adjusts tensile
force by
controlling
torque
Torque control mode*
ü
ü