ABB CI570 MasterFieldbus Controller Module

Description

Product Introduction

The ABB CI570 (3BSE001440R1) is a specialized MasterFieldbus (MFB) communication controller designed for ABB Advant Controller 400 Series control systems, including the AC 410, AC 450, and AC 460 architectures. Installed directly into the main controller subrack, the CI570 handles real-time data exchange across the MasterFieldbus network to interface with S400 I/O subracks and remote field devices.

Engineers rely on the CI570 because it offloads communication task execution and frame synchronization entirely from the main processor (PM511/PM510). Supporting dual-channel cable redundancy and onboard modem driver interfaces, it prevents single-point wire breaks from dropping critical process telemetry in heavy continuous-duty automation loops.

Key Technical Specifications

Application Scenarios & The “Trench” Experience

A steel mini-mill in Pennsylvania ran into an urgent crisis when a physical short on an aging field cable damaged the communication driver of their primary MasterFieldbus card, dropping the entire melt-shop S400 I/O rack offline. The outage was costing the facility roughly $30,000 per hour in idle furnace time. The shift electrician pulled the dead CI570 card, checked the backplane guide pins, and slotted in a pre-tested replacement module. Network synchronization restored automatically across the redundant B-channel in under 15 minutes without requiring a cold restart of the AC 450 main CPU.

• Metal Refining & Steel Mills – Melt Shop S400 I/O Linkage – Drives real-time communication between central AC 450 process computers and distributed S400 valve banks.
• Power Generation – Boiler Auxiliary Control – Maintains high-reliability MasterFieldbus links for burner management and draft fan damper positioners.
• Chemical Processing – Batch Reactor Monitoring – Routes critical temperature and pressure telemetry across dual-redundant bus cables to guarantee zero packet dropouts.

Transparency SOP: Quality Assurance & Testing

We test every CI570 MasterFieldbus module on an actual AC 400 rack system before adding it to sealed inventory:

1. Inbound Pin & Board Inspection: We examine the backplane multi-pin DIN connector under magnification for bent pins, verify component solder joints, and check original ABB serial tags.
2. Controller Subrack Power-Up: The card is installed in a live AC 450 subrack to verify power rail stability, bus initialization, and CPU handshake logic.
3. Dual MasterFieldbus Channel Loop Test: Connect both Channel A and Channel B outputs to test modems and monitor frame transceiving under full system load to verify zero CRC or packet transmission errors.
4. Redundancy Failover Verification: We physically disconnect Channel A during active data traffic to ensure the seamlessly shifts load to Channel B without dropping the connected S400 I/O drop.
5. ESD Solvent Cleaning & Packaging: Contacts are cleaned with electrical solvent, sealed in thick static-shielding bags, and packed with moisture-absorbing desiccant.

The Veteran’s Tech Trap Guide (Crucial Value-Add)

⚠️ Never Pull the Without Checking Redundancy Status: While the Advant Controller system supports online replacement of redundant cards, pulling the only active on a non-redundant MasterFieldbus loop will instantly trip all downstream S400 I/O drops into their fail-safe states. Check system status flags (DIAG_I / ERR_I) in AMPL before unseating the board!

❗ Inspect TC570 Modems and Transceivers: The interfaces with field wiring via companion modem/transceiver units (like the TC570 or SC series). If you swap a failed and the new card still throws a bus fault, the actual failure is often a fried line transceiver on the connected TC570 board caused by an external ground loop spike.

⚠️ Delicate Backplane Connector Pins: The multi-pin edge connector on the rear of the aligns with fine female pins in the AC 400 subrack. Do not force the card into the slot. Align the board squarely in the top and bottom card guides and slide it in smoothly until the lock levers click into place.

Frequently Asked Questions (FAQ for Conversion)

Q: What controller families support the MasterFieldbus module?

A: The is designed for the ABB Advant Controller 400 Series, specifically models like the AC 410, AC 450, and AC 460. It is not compatible with newer AC 800M or S800 I/O systems without a full migration gateway.

Q: Do I need to re-flash parameters onto the replacement ?

A: No. The executes firmware and receives its bus configuration parameters directly from the main controller CPU database upon system bootup. Once physical jumpers (if applicable) match your rack layout, the card initializes automatically.

Q: What is the difference between single and redundant MasterFieldbus setups using the ?

A: In a single configuration, one MasterFieldbus cable links the to the field drops. In a redundant setup, dual cables (Channel A and B) run in parallel. The continuously monitors signal quality on both lines and seamlessly switches channels if a cable breaks.

Q: Are factory-new cards still manufactured by ABB?

A: No. ABB has long since transitioned the Advant Controller 400 series to legacy status. Our available inventory consists of tested “New Surplus” stock (original spares never put into service) and fully reconditioned, bench-tested refurbished units.

Q: What warranty coverage do you provide on this legacy module?

A: Every (3BSE001440R1) module supplied by our team includes a comprehensive 12-month advance replacement warranty. If the module exhibits any fieldbus communication faults within one year, we send out a replacement unit right away.