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Installing and wiring in compliance
with EMC directive
Introduction
The EMC directive (89/336EEC and 92/31/EEC)
Stepping motors from ORIENTAL MOTOR are designed to be a built in component. The
EMC directive requires that the customer’s equipment incorporated with this product
should comply with the EMC directive.
The installation and wiring method for the motor and driver are the basic methods that
would effectively allow the customer’s equipment to be compliant with the EMC directive.
Final compliance of the equipment to the EMC directive varies according to the
configuration, wiring, layout, and level of hazard of other control systems and electrical
components used with the motor and driver.
This requires the customers to conduct the EMC measures of their equipment for
verification.
Applicable standards
EMI Emission Tests EN50081-2: 1993
Radiated Emission Test EN55011: 1998
EMS Immunity Tests EN50082-2: 1995
Radiation Field Immunity Test EN61000-4-3: 1996
ENV50204: 1995
Fast Transient/Burst Immunity Test EN61000-4-4: 1995
Conductive Noise Immunity Test EN61000-4-6: 1996
Installation and wiring procedures according to the EMC directive
It is essential to take effective measures against the EMI from this product to the
peripheral control systems and the EMS of this product. Otherwise, a serious adverse
effect may be given to the equipment functions.
The following installation and wiring procedures ensure compliance of this product to
the EMC directive (applicable standards as specified on this page).
Power supply
These products use the DC power supply input specifications.
Use the optimum DC power supply (switched power supply or the like) that conforms
with the EMC directive.
Also, when using a transformer for the power supply, always connect a mains filter on
the input side of the transformer.
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