ABB Binary CBI 20 Input Module

Description

The CBI 20 module is used for binary signal acquisition, supporting various sensor types and signal levels. It features 32 binary inputs, divided into two supply groups of 16 inputs each. The module ensures high-resolution signal recording (1 ms) and offers central galvanic separation for system inputs. It is also redundancy-capable, enhancing reliability in critical applications.

Specifications

• Input Voltage Levels:

  • 48V contacts: Supports NC, NO, and changeover contacts.

  • 24V contacts: Similar support for NC, NO, and changeover contacts.

  • NAMUR initiators: Up to 32 inputs, compliant with DIN 19234.

  • Standard binary signals: Up to 32 inputs, compliant with DIN 19240.

• Supply Voltage:

  • 48V contacts: 43–50V DC.

  • 24V contacts: 20.4–28.8V DC.

  • NAMUR initiators: 8–9V DC.

• Input Resistance:

  • 48V contacts: 15.9 kΩ.

  • 24V contacts: 5.8 kΩ.

  • NAMUR initiators: 1 kΩ.

• Environmental Ratings:

  • Operating Temperature: 0–50°C.

  • Voltage Testing: 500V AC (channels to the system).

  • Max Input Voltage: 60V DC (for 48V contacts), 30V AC (for 24V contacts).