Figure 2-7 Wiring Guidelines To Minimize The Effects Of Emi - Siemens MICROMASTER 440 Operating Instructions Manual

Issue B1
2.4.4 Screening Methods
Frame Sizes A, B and C
For frame sizes A, B and C the Gland Plate Kit is supplied as an option. It allows
easy and efficient connection of the necessary screening. See the Gland Plate
Installation Instructions contained on the Document CD-ROM, supplied with the
MM440.
Frame Sizes D, E and F
The Gland Plate is factory fitted. The installation of the screening is accomplished
using the same methodology as in frame sizes A, B and C.
Screening without a Gland Plate
Should a Gland Plate not be available, then the inverter can be screened using the
methodology shown in Figure 2-7.
1
1 Mains power input
2 Control cable
3 Motor cable
4 Footprint filter
5 Metal back plate
6 Use suitable clips to fix motor and control cable screens securely to metal back plate
7 Screening cables
Figure 2-7 Wiring Guidelines to Minimize the Effects of EMI
NOTES
To enhance the screening of the motor and control cables, the optional Gland
Plate can be used (not shown in Figure 2-7).
MICROMASTER 440 Operating Instructions
6SE6400-5AC00-0BP0
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7
2
4
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2 Installation
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L1
L2
L3
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