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  • 3BDH000690R1
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3BDH000690R1

ABB 3BDH000690R1 CI920AS Advant AC800M Communication Interface

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  • Manufacturer: ABB

  • Product No.: 3BDH000690R1

  • Product Type: Communication Interface Module

  • Product Origin: SE

  • Payment:T/T, Western Union

  • Weight: 140g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Product Overview

The ABB 3BDH000690R1 CI920AS is a high-performance Communication Interface module belonging to the Advant AC800M and S900 I/O series. Engineered for critical process automation, this module facilitates robust data exchange between the controller and I/O stations. Designed specifically for hazardous environments, the CI920AS features ATEX Zone 1 certification and intrinsic safety, ensuring reliable operation in explosive or flammable atmospheres. At a lightweight 0.14 kg, it combines a compact form factor with industrial-grade redundancy for maximum system availability.

Technical Configuration

Model Analysis: 3BDH000690R1 CI920AS

  • 3BDH000690R1: Specific ABB global part number for the CI920AS hardware.
  • CI920AS: Communication Interface module for S900 I/O within the AC800M architecture.
  • Redundancy Mode: Supports dual-channel redundancy to prevent system downtime during signal failure.
  • Hazardous Rating: Certified for ATEX Zone 1 and intrinsic safety (IS) applications.

Technical Specifications

Parameter Specification
Series Advant AC800M / S900 I/O
Unit Weight 0.14 kg (0.31 lbs)
Operating Temperature -20°C to +60°C
Hazardous Certification ATEX Zone 1 / Intrinsic Safety
Corrosion Resistance ISA-S71.04 G3 Compliant
Dimensions (HxWxD) 104 x 20 x 104 mm

Installation & Engineering Guide

Maintaining the integrity of the AC800M communication bus requires strict adherence to environmental standards:

  • Redundancy Setup: When configured in redundancy mode, ensure that both CI920AS modules are mounted on a compatible redundant terminal base to facilitate automatic bumpless switchover.
  • Corrosive Protection: With a G3-compliant coating, this 0.14 kg module is ideal for paper mills or chemical plants. Ensure the enclosure maintains the required humidity levels (max 93%) to prevent condensation.
  • Hazardous Area Wiring: All connections in ATEX Zone 1 must follow intrinsic safety wiring protocols. Use blue-colored IS cables to distinguish these circuits from standard power lines.
  • Mounting Space: The slim 20mm width allows for high-density installation. However, allow for vertical airflow to maintain the +60°C upper operating limit.

Engineering Advantages

  • Explosion Protection: The ATEX Zone 1 rating allows for the module to be installed closer to the field sensors in hazardous locations, reducing long-run cabling costs.
  • High Availability: Integrated redundancy ensures that communication with the S900 I/O station continues uninterrupted even if one interface module fails.
  • Environmental Resilience: Designed for harsh climates, the CI920AS operates reliably in temperatures as low as -20°C, suitable for outdoor cabinets in colder regions.
  • Compliance: Fully RoHS and CE compliant, meeting the latest European standards for environmental protection and electronic safety.

Technical FAQs

Q1: What is the primary function of the CI920AS?
A1: It serves as the bridge between the PROFIBUS DP fieldbus and the S900 I/O modules, providing a certified intrinsically safe interface for hazardous area signals.

Q2: Is the 0.14 kg weight standard for this series?
A2: Yes, the CI920AS is designed to be ultra-lightweight and compact (20mm wide) to maximize cabinet space and minimize mechanical stress on the DIN rail assembly.

Q3: Does this module support G3 harsh environment ratings?
A3: Yes, it meets the ISA-S71.04 G3 standard, which means it is specially coated to resist corrosion from gases like hydrogen sulfide and chlorine.

🏷️ Tags: Communication Interface Module

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