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BC820K02

ABB BC820K02 – Redundant CEX-Bus Unit

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  • Manufacturer: ABB

  • Product No.: BC820K02

  • Product Type: Interconnection Unit

  • Product Origin: SE

  • Payment:T/T, Western Union

  • Weight: 1400g

  • Shipping port: Xiamen

  • Warranty: 12 months

30 günlük yzyna gaýtaryş syýasaty · 12 aýlyk kepillik
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Düşündiriş

ABB 3BSE071500R1 BC820K02 CEX-Bus Interconnection Unit

3BSE071500R1 BC820K02 sections the CEX-Bus into two independent segments up to 200 meters apart. It supports redundant communication interfaces and hot swap. The unit draws power from the processor or an external 24V DC supply.

Key Features

Redundancy – Yes
Hot swap – Supported
External power – 19.2 to 30V DC
CEX-Bus extension – Up to 200 meters
CPU replacement – Online without system stop

Technical Specifications

Article number: 3BSE071500R1 BC820K02
Redundancy: Yes
Hot swap: Supported
Supply voltage: 24V DC (19.2–30V DC)
Current consumption: 120 mA typical, 200 mA max
Power dissipation: 2.9 W typical
Operating temperature: +5 to +55 °C (+41 to +131 °F)
Protection class: IP20
Dimensions: 59 x 185 x 127.5 mm
Weight: 1.4 kg

Cable Requirements

RCU Control Link: Shielded RJ45 crossover cable, T568A to T568B, max 200m.
RCU Data Link: LC Duplex, 50/125μm OM3 fiber, max 200m.
Bus limit: 6 CEX-Bus interfaces per BC820.

Compatible CPUs

PM858, PM862, PM866 (PR.F or later), PM866A, PM866K01 (PR:H or later).

Technical FAQs

Q1. Do I need external power for short cable runs?
A1. No. For runs under 50 meters, the CPU powers the BC820 via the CEX-Bus. Use external 24V for runs over 50 meters or for power redundancy.

Q2. Can I use a standard straight CAT6 cable for the RCU Control Link?
A2. No. The BC820 requires a shielded crossover cable wired T568A to T568B. A straight cable will not work.

Q3. Is the BC820 approved for Zone 1 hazardous locations?
A3. No. The BC820 carries cULus Class 1 Zone 2 certification only. It is not rated for Zone 1.

🏷️ Tags: Interconnection Unit

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