BECKHOFF BK3xx0 - Manual (Page 91)

Notes on the Documentation
Fieldbus Components 89
Component identification
Every supplied component includes an adhesive label providing information about the product's approvals. For
example, on the BK2000:
The following information is printed on the label:
Printed item In this particular example:
Precise product
identification Lightbus Coupler BK2000
Supply voltage Us 24 V
DC
(To meet the UL requirements use 4 A fuse or class 2 power supply!)
Data transfer rate 2.5 MBaud
manufacturer Beckhoff Automation GmbH
CE mark Conformity mark
UL mark Mark for UL approval. UL stands for the Underwriters Laboratories Inc., the leading
certification organization for North America, based in the USA.
C = Canada, US = USA,
UL File Number: E172151
Production
identification From left to right, this sequence of characters indicates the production week (2
characters), the production year (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
- of the year 2001
- containing the BF firmware version
- and using the 6th hardware version
- with no special indications