Parker
Hannifin
Installing the ACR90x0 Controller
Only qualified, skilled electrical technicians familiar with local safety
requirements should install this product. For service, the controller must be
returned to an authorized service center. There are no user serviceable parts
inside the chassis. In certain circumstances, opening the cover may void the
product warranty.
The ACR90x0 controller is a vented product. To prevent material spilling into
the controller, mount it under an overhang or in a suitable enclosure.
ACR90x0 products are made available under “Restricted Distribution” for use
in the “Second Environment” as described in EN 61800-3 1996, page 9. This
means only those individuals familiar with the EMC requirements of motion
control systems should install this product and that this product is designed
for connection to mains distribution networks other than low-voltage
networks, which may supply domestic premises. The controller can tolerate
atmospheric pollution degree 2, which means only dry, non-conductive
pollution is acceptable.
The ACR90x0 Stand-Alone Controller has been shown to meet the
requirements of both the European LVD & EMC directives when installed
according to the recommendations given within this section. It is
recommended the controller be installed in an enclosure to protect it from
atmospheric and industrial process contaminants, to prevent operator access
while it has power applied, and to provide the necessary EMC screening.
Metal equipment cabinets are ideally suited for housing the equipment since
they can provide operator protection, EMC screening, and can be fitted with
interlocks arranged to remove all hazardous voltages when the cabinet door
is opened. Do not arrange interlocks to open circuit inductive loads, such as
motor phase connections, while the system is still powered, as this could
cause damage to the controller.
Precautions
During installation, take the normal precautions against damage caused by
electrostatic discharges. Wear earth wrist straps. A switch or circuit breaker
must be included in the installation, which must be clearly marked as the
disconnecting device and should be within easy reach of the machine
operator.
A Safe Installation – Meeting the Requirements of the Low
Voltage Directive (LVD)
In order to comply with the requirements of the European Union’s Low
Voltage Directive, the proper AC power fuse type and size must meet all of
the requirements under AC Power Fuse Requirements on page 27.
The ACR9000 and ACR9030 controllers receive its protective earth (PE)
connection through its 3-pin power connector. The mains socket on the
ACR9000 and ACR9030 incorporate a mains fuse in the Line (hot) leg of the
AC mains. For portable equipment, the use of a standard IEC approved
power cord is allowed. For permanent installations, local safety requirements
may dictate that both the Line and Neutral conductors be fused.
Never
fuse
the protective earth (PE) conductor; serious injury may result.
Additional safety measures may be required within your particular market,
please consult you local Regulatory Agency for additional requirements.
Appendix G Regulatory Compliance 151
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