The ABB CBI20-P binary input module provides precise signal acquisition for industrial control systems. Engineers use it in automation tasks requiring high-speed, reliable input processing. It supports multiple signal standards, allowing integration into diverse field environments. Furthermore, its compact DIN-rail design ensures easy installation in control cabinets.

Technical Specifications

• Manufacturer: ABB
• Model Number: CBI20
• Number of Inputs: 32 binary inputs
• Supported Input Voltages: 48V, 24V, 8.2V (NAMUR standard)
• Supported Input Types:
  • Normally Open / Normally Closed contacts
  • Changeover contacts
  • NAMUR initiators (DIN 19234)
  • 3-/4-wire proximity switches
• Time Resolution: 1 ms signal recording
• Input Isolation: Central galvanic separation for all inputs
• Operating Voltage: 20–33V DC
• Power Consumption: 4.8W (with NAMUR initiators)
• Mounting: DIN rail mounting
• Dimensions: 8.0 in x 2.0 in x 0.0 in (20.3 cm x 5.1 cm x 0.0 cm)
• Weight: 1 lb 4 oz (0.6 kg)