Grounding, Mechanical configuration, Figure c.1 – Rockwell Automation 1336F PLUS II User Manual - Firmware 1.xxx-6.xxx User Manual

Page 200: Figure c.2, Rfi filter grounding

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C–4

CE Conformity

Grounding

RFI Filter Grounding

Important: Using the optional RFI filter may result in relatively high

ground leakage currents. Surge suppression devices are
also incorporated into the filter. Therefore, the filter must
be permanently installed and solidly grounded (bonded) to
the building power distribution ground. Ensure that the
incoming supply neutral is solidly connected (bonded) to
the same building power distribution ground.

Grounding must not rely on flexible cables and should not
include any form of plug or socket that would permit
inadvertent disconnection. Some local codes may require
redundant ground connections. The integrity of all
connections should be periodically checked.

Mechanical Configuration

1

Input power (source to filter) and output power (filter to drive and drive to motor) wiring must be in conduit or have shielding/armor with equivalent attenuation. Shielding/
armor must be bonded to the metal bottom plate. See requirements 5 & 6 on page

C–2

.

2

Refer to the Filter Selection table on page

C–2

for frame references and corresponding catalog numbers.

To Motor

1

Cable Supplied with Filter

1

Conduit

1

To Motor

1

Three-Phase Input

1

Access

Panel

Flat Washer

Star Washers

Bolt

Bolt

Important: Drive and filter must be
mounted to a common back plane
with a positive electrical bond and in
close proximity to one another.

Important: A positive electrical bond must be
maintained between drive and filter at all 4
corners. Star washers can be eliminated
if a positive electrical bond is
assured.

Three-Phase

Input

1

Figure C.1 (Side-by-Side)

1336

PLUS

II

Frames A1 - A3

2

Figure C.2 (One Assembly)

1336

PLUS

II

Frames A4, B & C

2

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