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overview：
ABB BC820K02 CEX-Bus Unit is a device used to expand the CEX-Bus communication port in the control system. It can be connected to the communication interface unit. ABB BC820K02 module supports redundant communication interface and provides the function of splitting CEX-Bus into two independent segments, thereby improving the redundant system and ensuring uninterrupted communication.
Fuctions & Features:
- Redundant communication interface support: ABB BC820K02 can connect multiple communication interfaces to CEX-Bus and realize redundant configuration. Even if one communication path fails, the system can still operate, avoiding downtime caused by single point failure.
- Split and expand: ABB BC820K02 CEX-Bus Unit can split CEX-Bus into two independent network segments, each with a maximum length of 200 meters, and each module supports up to 6 CEX-Bus interfaces.
- Support hot swap: ABB BC820K02 CEX-Bus Unit allows modules to be replaced or added during system operation without affecting the normal operation of the system.
- Support external power supply: In addition to obtaining power from the processing unit through CEX-Bus, the ABB BC820K02 module also supports power supply through an external power supply to avoid the impact of a single power supply failure.
Specification：
|
Parameter |
Specification |
|
Power supply |
Inputs designated L+ and L- 24 V nominal, variation between 19.2 V DC and 30 V DC |
|
Power consumption +24 V typ/max |
120 mA typical (200 mA max) |
|
Power dissipation |
2.9 W typical |
|
Temperature, Operating |
+5 to +55 °C (+41 to +131 °F) |
|
Temperature, Storage |
-40 to +70 °C (-40 to +158 °F) |
|
Relative humidity |
5 to 95 %, non - condensing |
|
Width |
59 mm (2.9 in.) |
|
Height |
185 mm (7.3 in.) |
|
Depth |
127.5 mm (5.0 in.) |
|
Weight (including base) |
1.4 kg (3.1 lbs) (BC820K02 package) |
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