Beckhoff BK9105 Documentation page 65

Protection classes and types
Condition
Protection class in accordance with IEC 536 (VDE
0106, Part 1)
Protection class conforms to IEC 529
Protection against foreign objects
Protection against water
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
Precise product
identification
Supply voltage
Data transfer rate
Manufacturer
CE mark
UL mark
Production identification
BK9055 and BK9105
Permissible range
A protective conductor connection to the mounting rail is
necessary!
IP20 (protection against contact with a standard test
finger)
Less than 12 mm in diameter
no protection
Meaning for this label
Lightbus Coupler BK2000
24 V
DC
2.5 Mbit/s
Beckhoff Automation GmbH
Conformity 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)
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
Version: 2.0.0
Appendix
65