CI845 ABB Ethernet FCI Module 3BSE075853R1 Select I/O S800 Communication

Product Brief

The ABB CI845 (3BSE075853R1) is an Ethernet Fieldbus Communication Interface. It connects Select I/O or S800 I/O to AC 800M controllers. This module supports single or redundant operation. It brings smart diagnostics, HART, and SOE to your automation system. Ideal for projects needing flexible, granular I/O and late-change tolerance.

Technical Specifications (hierarchical tree structure)

• Brand & Series
  • ABB · System 800xA · Select I/O
• Model Number
  • CI845 (3BSE075853R1)
• Communication Protocol
  • Ethernet · Fieldbus Communication Interface (FCI)
  • Connects Select I/O and S800 I/O to AC 800M
• I/O Capacity
  • Supports 12 single or 12 redundant S800 modules
  • Supports up to 192 Select I/O channels
• Redundancy & Availability
  • Redundancy: Yes (two CI845 in TU860/TU865)
  • Hot Swap: Yes · Mechanical lock disconnects power
  • Power voting: Built-in for supply A & B
• Advanced Features
  • HART v7 · HART pass-through · HART variables to application
  • Sequence of Events (SOE) support
  • Soft marshalling · Optimized engineering
• Diagnostics & Supervision
  • Internal hardware, communication, power supervision
  • Cabinet temperature measurement
  • Supervision of power supply A and B
• Power & Consumption
  • Input voltage: 19.2‑30V DC
  • Power dissipation: 5 W
  • Galvanic isolation between power and I/O
• Environment & Protection
  • Operating temp: -40°C to +70°C (extended range)
  • Storage temp: -40°C to +85°C
  • Protection: IP20 · Pollution degree 2
  • Corrosion: G3 · Marine: DNV, ABS
• Hazardous Area Approvals
  • ATEX: II 3G Ex nA/ec/ic IIC T4 Gc
  • IECEx, CCC Ex, cULus Class I Div 2
• Dimensions & Weight
  • HxWxD: 135 x 30 x 121.7 mm
  • Weight: 225 g (0.5 lb)

Installation & Mounting

• Mounting: Plugs into TU860 or TU865 mounting unit (ordered separately).
• Connection: Ethernet via RJ45 to network switch.
• Safety lock: Mechanical slider turns off power before removal.
• Keying: Mechanical keying prevents wrong insertion.

Setup, Maintenance & Diagnostics

• Configuration: Use 800xA Control Builder.
• Diagnostics: LED indicators · internal supervision · cabinet temperature.
• HART: Pass-through and HART variables available.
• Hot swap: Replace module while system is running.

Compatibility & Certifications

• I/O systems: Works with Select I/O (single‑channel SCM) and S800 I/O.
• Certifications: CE, UKCA, UL, CSA, DNV, ABS, ATEX, IECEx, CCC Ex.
• EMC: IEC/EN 61000‑6‑4, IEC/EN 61000‑6‑2.
• Safety: IEC/EN 61010‑1, UL 61010‑1, CSA C22.2.
• RoHS/WEEE: EU, UAE, CN RoHS · EU WEEE.

Package Contents & Warranty

• Includes: CI845 module only. Mounting unit (TU860/TU865) ordered separately.
• Warranty: 12 months against manufacturing defects.

Shipping & Delivery

• Courier options: FedEx, UPS, DHL – fast global shipping.
• Weight: 0.225 kg · securely packed.

Typical Applications

• Process industries (chemicals, oil & gas, refining).
• Marine and offshore platforms.
• Projects requiring late I/O changes or soft marshalling.
• Hazardous areas (Zone 2, Class I Div 2).

Diagnostic Capabilities

• Power supply A/B supervision · cabinet temperature.
• Internal hardware and communication supervision.
• HART device status via pass‑through.
• Sequence of Events (SOE) time‑stamping.

Frequently Asked Questions (FAQ)

• Q: What is Select I/O and how is it different from S800 I/O?
• A: Select I/O uses single‑channel Signal Conditioning Modules (SCM). Each channel is independent. S800 I/O uses multi‑channel modules. CI845 supports both.
• Q: Can I use CI845 with redundant controllers?
• A: Yes. For redundancy, install two CI845 modules in a TU860 or TU865 mounting unit. They connect to redundant AC 800M CPUs.
• Q: How many Select I/O channels can one CI845 handle?
• A: One CI845 supports up to 192 Select I/O channels. That means up to 192 individual SCMs.
• Q: What is the operating temperature range? Can it be used outdoors?
• A: It works from -40°C to +70°C. It is IP20 rated, so it needs a protected cabinet outdoors.
• Q: Does CI845 support HART communication?
• A: Yes, it supports HART v7, HART pass‑through, and makes HART variables available to the application.

Buying Guide & Selection Tips

• I/O type: Choose CI845 for either Select I/O (granular) or S800 I/O (traditional).
• Redundancy: Order two CI845 modules and a TU860/TU865 base if you need redundant communication.
• Hazardous area: Check the specific Ex approval needed (ATEX, IECEx, cULus). CI845 covers Zone 2 / Div 2.
• Temperature: The wide -40°C range suits extreme environments, but use a heated cabinet if needed.
• Soft marshalling: If your project often changes I/O assignments, Select I/O + CI845 saves engineering time.

For inquiries:
sales@powergearx.com |
+86 18030005825 (WhatsApp)

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