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:
- in difficult environments, such as where there are corrosive vapors or gases, or high dust levels
- in the presence of high levels of ionizing radiation
Condition | Permissible range |
|---|---|
Permissible ambient temperature during operation | 0 °C ... +55 °C |
Installation position | Vertical on mounting rail mounted horizontally on the wall |
Vibration resistance | conforms to EN 60068-2-6 |
Shock resistance | conforms to EN 60068-2-27 |
EMC immunity | conforms to EN 61000-6-2 |
Emission | conforms 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 profile 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. Example for the BK2000 Bus Coupler:
The following information is printed on the label:
Printed item | Meaning for this label |
|---|---|
Precise product identification | BK2000 Lightbus Coupler |
Supply voltage | 24 VDC |
Data transfer rate | 2.5 Mbaud |
Vendor | 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, 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). In this case the device is a BK2000 |