Mounting, Grounding practices, Mounting grounding practices – Rockwell Automation MV SMC Flex Motor Controller (for Series K or later) User Manual

Page 51

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Rockwell Automation Publication 1560E-UM051F-EN-P - June 2013

41

Installation

Chapter 2

C.

The equipment must be kept clean. Dust buildup inside the enclosure
inhibits proper cooling and decreases the system reliability. The
equipment should not be located where liquid or solid contaminants can
drop onto it. Controllers with ventilated enclosures (in particular those
with fans) must be in a room free of airborne contaminants.

D.

Only persons familiar with the function of the controller should have
access to it.

E.

The losses in the controller produce a definite heat dissipation, depending
on the unit size, that tends to warm the air in the room. Attention must be
given to the room ventilation and cooling requirements to ensure that the
proper environmental conditions are met.

F.

Operational altitude is 1 km (3,300 feet) maximum without derating.
Higher altitudes may require optional components. Please consult
Rockwell Automation factory.

G.

The area of the controller should be free of radio frequency interference
such as encountered with some welding units. This may cause erroneous
fault conditions and shut down the system.

Mounting

The 1503E, 1560E and 1562E are designed to be mounted in the vertical
position. Standard cabinet drawings with certified dimension drawings can be
obtained by contacting your local Rockwell Automation Sales office for the
1560E/1562E. Please refer to OEM documentation for the 1503E. Refer to the
drawings supplied with your order for mounting requirements.

Grounding Practices

The purpose of grounding is to:

A.

Provide safety for Personnel.

B.

Limit dangerous voltages to ground on exposed parts.

C.

Facilitate proper overcurrent device operation under ground fault
conditions.

D.

Provide for electrical interference suppression.

ATTENTION: An incorrectly applied or installed controller can result in
component damage or a reduction in product life. Wiring or application errors,
such as, undersizing the motor, incorrect or inadequate AC supply, or ambient
temperatures above or below the specified temperature range may result in
malfunction of the controller.

IMPORTANT

Generally, grounding should be in accordance with the Canadian Electrical
Code (CEC) or National Electrical Code (NEC) and other local codes.

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