Beckhoff BK9105 - Page 65

Appendix
BK9055 and BK9105 65Version: 2.0.0
Protection classes and types
Condition Permissible range
Protection class in accordance with IEC 536 (VDE
0106, Part 1)
A protective conductor connection to the mounting rail is
necessary!
Protection class conforms to IEC 529 IP20 (protection against contact with a standard test
finger)
Protection against foreign objects Less than 12mm in diameter
Protection against water no protection
Component identification
Every supplied component includes an adhesive label providing information about the product's approvals.
For example, on the BK2000:
Fig.62: Sticker with information about the BK2000 Bus Coupler certification
The following information is printed on the label:
Printed item Meaning for this label
Precise product
identification
Lightbus Coupler BK2000
Supply voltage 24 V
DC
Data transfer rate 2.5 Mbit/s
Manufacturer Beckhoff Automation GmbH
CE mark Conformity mark
UL mark Mark for UL approval. UL stands for the Underwriters Laboratories Inc., the
leading certification Organisation for North America, based in the USA.
C = Canada, US = USA, LISTED 22ZA (the test results can be inspected
under this entry)
Production identification From left to right, this sequence of characters indicates the week of production
(2 characters), the year of production (2 characters), the software version (2
characters) and hardware version (2 characters), along with any special
indications (4 characters).
This case therefore is a BK2000
- produced in the 9th calendar week
- in the year 2001
- containing the BF firmware version
- and using the 6th hardware version
- with no special indications