General operating conditions

The following conditions must be met in order to ensure flawless operation of the fieldbus components.

Environmental conditions

Operation

The components may not be used without additional protection in the following locations:

Condition

Permissible range

Permissible ambient temperature during operation

see technical data

Installation position

variable

Vibration resistance

According to EN 60068-2-6 

Shock resistance

According to EN 60068-2-27

EMC resistance

According to EN 61000-6-2

Emission

According to EN 61000-6-4

Transport and storage

Condition

Permissible range

Permissible ambient temperature during storage

-25 °C... +85 °C

Relative humidity

95 %, no condensation

Free fall

up to 1 m in the original packaging

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:

General operating conditions 1:
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 VDC

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