ABB CBI 20 Binary Input Module CBI 20 H&B Contronic

ABB CBI 20 Binary Input Module CBI 20 H&B Contronic

The ABB CBI 20 Binary Input Module CBI 20 H&B Contronic has the following features:

Basic information: Model number CBI 20, part number p 72130-4-0788730, country of origin Germany, shipment to Webster, NY, USA, dimensions approx. 20.3cm x 5.1cm x 30.5cm, weight approx. 0.6kg.

Functionality: 32 binary inputs, divided into two power supply groups of 16 inputs each, signal recording time resolution up to 1ms, monitoring of the module's own status, system inputs with central galvanic isolation, but also has a group setup filtering time, and the module supports redundancy. It can be used to interrogate a wide range of sensors/signals such as 48V, 24V contacts, 3- or 4-wire proximity switches, NAMUR initiators and binary signals according to DIN 19240.

Application areas: Widely used in industrial automation, such as chemical, electric power, metallurgy, water treatment and other industries, can be used to collect the status of various types of equipment signals, such as valve status, motor operation status, etc., for the industrial control system to provide accurate input signals, in order to achieve the precise control of the production process and monitoring.

FEATURE

• Low-impedance busbar protection 

• Stub and T-zone protection 

• High functional reliability due to two independent measurement criteria: 

- stabilized differential current algorithm 

- directional current comparison algorithm 

• Phase-by-phase measurement 

• Reduced CT performance requirements 

• High through-fault stability even in case of  CT saturation 

• Full solid-state busbar replica 

• No switching of CT circuits 

• Only one hardware version for  

- 1 and 5 A rated currents 

- all auxiliary supply voltages between  48 V DC and 250 V DC 

- nominal frequencies of 50, 60 and  16.7 Hz 

• Short tripping times independent of the  plant’s size or configuration 

• Centralized layout: Installation of hardware  in one or several cubicles 

• Distributed layout: Bay units distributed  and, in the case of location close to the  feeders, with short connections to CTs, isolators, circuit breakers, etc. 

• Connections between bay units and central  unit by fiber-optic cables 

- maximum permissible length 1200 m  

- for distributed and centralized layout 

• fiber-optic connections mean interference proof data transfer even close to HV power  cables 

• Replacement of existing busbar protection  schemes can be accomplished without restrictions (centralized layout) in the case of  substation extensions e.g. by a mixture of  centralized and distributed layout 

• Easily extensible

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