CE for ADC .com

 

EMC investigation

This visual investigative report compares various PLC installation parameters and looks at the EMC performance of each. It compares 2 different boxes, with and without a control cubicle, with various ferrites, and all using either a 12 or 24V power supply. It is split between 6 documents as detailed below. These are zipped PDF files

1

No box, no cubicle (735KB)

 

2

No box, in cubicle (635KB)

 

3

Inexpensive box, no cubicle (692KB)

 

4

Die cast box, no cubicle (692KB)

 

5

Inexpensive box and cubicle (543KB)

 

6

Die cast box and cubicle (710KB)

 

 

The following table is a quick reference guide and reveals scan codes that are assigned to each scan on the main files.

 

 

12v power supply

24v power supply

 

No ferrites

Ferrites on power cable

Ferrites on comms

Ferrites on I/O bundle

Ferrites on comms and I/O bundle

No ferrites

Ferrites on power cable

Ferrites on comms

Ferrites on I/O bundle

Ferrites on comms and I/O bundle

 

Scan

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1. No box, no cubicle

20V750

 

20V760

 

20V770

 

20V780

 

20V790

 

20V800

 

20V810

 

20V820

 

20V830

 

20V840

 

2. No box, in cubicle

20V450

 

20V460

 

20V470

 

20V480V

 

20V490

 

20V500

 

20V510

 

20V520

 

20V530

 

20V540

 

3. Inexpensive box, no cubicle

20V550

 

20V560

 

2020V570

 

20V580

 

20V590

 

20V600

 

20V610

 

20V620

 

20V630

 

20V640

 

4. Die cast box, no cubicle

20V650

 

20V660

 

20V670

 

20V680

 

20V690

 

20V700

 

20V710

 

20V720

 

20V730

 

20V740

 

5. Inexpensive box and cubicle

20V350

 

20V360

 

20V370

 

20V380

 

20V390

 

20V400

 

20V410

 

20V420

 

20V430

 

20V440

 

6. Die cast box and cubicle

20V250

 

20V260

 

20V270

 

20V280

 

20V290

 

20V300

 

20V310

 

20V320

 

20V330

 

20V340