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JVL Industri Elektronik A/S - User Manual - Integrated Stepper Motors MIS23x, 34x, 43x
1.1
Non-programmable motors
The QuickStep series of Stepper motors with inte-
grated electronics represents a major step forward.
All the necessary electronics in a stepper system are in-
tegrated in the motor itself.
In the past, a traditional motor system has typically been
based on a central controller unit located remote from
the motor. This configuration however has the disad-
vantage that installation costs are a major part of the to-
tal expense of building machinery.
The basic idea of the QuickStep motors is to minimize
these costs but also to make a component that is much
better protected against electrical noise, which can be a
typical problem when using long cables between the
controller and motor.
The stepper motor, encoder and electronics are spe-
cially developed by JVL so that together they form a
closed unit, in which the power driver and controller
are mounted inside the motor.
The advantages of this solution are:
• De-central intelligence.
• Simple installation. No cables between motor and
driver.
• EMC safe. Switching noise remains within
motor. (Noise can however be introduced in the
DI/DO).
• Compact. Does not take space in cabinet.
• Low-cost alternative to separate step or
servo motor and driver.
In the past decade, pulse/direction interfaces have be-
come increasingly popular for the control of step and
servo motors. This is due to the fact that pulse/direction
signals provide a simple and reliable interface which is
100% digital, precise, and offers immediate response.
When a pulse is sent, the motor instantaneously moves
1 step forward.
For example, if the motor has a resolution of 200 steps/
revolution, it will move 1.8 degrees. By changing the
frequency of the applied pulse signal, it is possible to ac-
celerate the motor.
By counting the number of pulses, the motor’s po-
sition can be determined without any error what-
soever. The direction input is used to determine
the motor’s direction of rotation. JVL’s QuickStep
motors with pulse/direction interface offer the fol-
lowing advantages:
• Very simple technology that is easy to under-
stand and apply.
• High stability and low cost because the tech-
nology is simple with few components.
• Only one cable with 4 wires is required, so
cabling costs are a minimum.
• No controller in the control cabinet.
• All positioning and control is performed by the
PLC, so there is no duplication of software or
cabling.
• Robust IP67 connector and IP55 motor housing
for applications in demanding environments.
• Thermally protected against current overload
and short-circuit.
• Reacts instantaneously. The motor starts within
microseconds.
• 5V or 24V PNP/NPN inputs ensure compatibil-
ity with any controller.
• Step resolution of 200, 400, 800, 1000 or 1600
pulses/revolution.
• Supply voltage 18-28VDC (based on SMD73).
• Supply voltage 18-48VDC (based on SMD74).
• Possibility for encoder feedback.
All the required electronics are integrated in the
motor itself in a single compact unit. The motor can
be supplied with the connector either on the back
or side of the housing. M12 connector is standard,
but cable glands or DSUB connector can be deliv-
ered on request.
For further information on the pulse/direction
driver see also SMD73 Data-sheet and Tech-
nical Note.
MIS231 Stepmotor
with pulse and direction input
TT2322-01GB
Summary of Contents for MIS23 Series
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