Component identification – BECKHOFF BC3150 User Manual
Page 108

Safety Instructions
106
Fieldbus Components
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