Allen-Bradley PowerFlex 750 Series User Manual

10 Rockwell Automation Publication 750-UM003D-EN-P - March 2017
Chapter 1 Safety Concepts
Motor Requirements
• The motor must be manufactured under the guidelines of the ATEX
directive 2014/34/EU. The motor must be installed, operated, and
maintained according to the instructions of the motor manufacturer.
• Only motors with nameplates that are marked for use on an inverter
power source, and labeled for specific hazardous areas, can be used in
hazardous areas on inverter (variable frequency) power.
• When the motor is rated ATEX Group II, Category 2 for use in gas
environments (category 2G), the motor must be of flameproof
construction, EEx d (according to EN 50018) or Ex d (according to
EN 60079-1 or IEC 60079-1). Group II motors are marked with a
temperature or a temperature code.
• When the motor is rated ATEX Group II, Category 2 for use in dust
environments (category 2D), the motor must be protected by an
enclosure (according to EN 50281-1-1, or according to
IEC 61241-1: Ex tD). Group II motors are marked with a temperature.
• The motor over-temperature signal is supplied to the drive by one of two
methods:
– A normally closed contact (open during over temperature condition)
compatible with the digital (logic) input circuitry of the drive. If
multiple sensors are required in the motor, the connection at the
drive must be the result of all required contacts that are wired in
series.
– A positive temperature coefficient (PTC) type of thermal sensor. See
Appendix A
for specifications.
•See all product markings for additional cautions.
• Typical motor markings are contained on a motor certification
nameplate similar to the sample here.
ATTENTION: Follow all procedures in the standard installation and user
manuals for the ATEX-certified drive with an ATEX-certified motor. You must
also follow all additional instructions in this PowerFlex 750-Series ATEX
Option Module User Manual. Equipment damage and/or personal injury can
result if all additional instructions in this user manual are not followed.
FLAMEPROOF Exd ENCLOSURE
EExd I/IIB Tamb C to C
II 2 G/D
I M2 Sira ATEX
MFG. BY ROCKWELL AUTOMATION
0035

Allen-Bradley PowerFlex 750 Series Specifications

General

Brand	Allen-Bradley
Model	PowerFlex 750 Series
Category	Controller
Language	English