ABB CI627A 3BSE017457R1 | Dual-Channel DP-V1 Module

Description

Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.

Product Introduction

As the PROFIBUS DP-V1 interface for an AC 800M controller, the CI627A puts remote DP I/O, drives, and field devices into the controller’s process image. It seats on the CEX bus, carries two DP channels, and is configured through Control Builder with GSD files for each slave. The engineering edge is segment flexibility: two channels can split traffic by process area or redundancy scheme (—though your mileage may vary depending on firmware and CPU model).

CI627A

CI627A

CI627A

CI627A

CI627A

Key Technical Specifications

Field Application & Technical Pitfalls (The Engineer’s Guide)

Where this module is critical:

• Process units with remote DP I/O where the AC 800M controller must keep reading transmitters and driving valves across a long segment.
• Packaging and material handling lines with DP drives and remote I/O blocks split across two process areas.
• Legacy 800xA installations where the controller stays but the DP interface card fails, and a controls migration is a capital project rather than a maintenance order.

Three pitfalls that bite during replacement:

• GSD revision and DP address mismatch. The master configuration must match the GSD revision actually loaded in each slave. Warning: a newer GSD can look correct in the engineering tool and still fail at startup. Check the slave label, not just the project archive, and confirm no duplicate DP address sits on the segment.
• Termination, baud rate, and cable length. PROFIBUS RS-485 segments need termination at both physical ends. Warning: at 12 Mbps, a missing terminator or an extra drop turns into intermittent bus faults that look like a bad CI627A. Confirm cable length and drop count against the PROFIBUS cabling rules before you raise the baud rate.
• Firmware, CEX slot, and CPU compatibility. The module must be supported by the AC 800M CPU firmware and recognized in the same CEX slot. Warning: do not assume live removal is allowed for your slot. Well, technically some CEX slots support live insertion — but “some” is not “yours.” Remove rack power and ground yourself before touching the backplane connector.

Lesson learned: A line ran fine at 1.5 Mbps for years. After a drive replacement, someone bumped the segment to 12 Mbps and the master started logging bus faults every few hours. Root cause: the last drop had no terminator, and one drive still carried the old node address. The CI627A was fine; the segment was not.

Quality Control (QC) SOP & Transparency

1. Inbound Verification. Each module is checked against the OEM packing list, label typography, serial number format, and date-code range. Firmware revision and connector condition are logged before the unit enters stock.
2. Live Rig Testing. The module is seated in a compatible AC 800M test rack with a PROFIBUS DP slave simulator. We power on, confirm CEX bus recognition, start the DP channel, and run cyclic exchange at 1.5 Mbps and 12 Mbps.
3. Parameter Testing. CEX bus current draw, connector continuity, and termination contact are checked against the OEM datasheet where published. Undocumented values are flagged for buyer confirmation rather than guessed.
4. Final QA & Packaging. The module ships in an anti-static bag with a QC-passed label, a test record showing the firmware revision we verified, and the configuration test notes from the bench rig.

Frequently Asked Questions (FAQ)

Can I hot-swap this module in a live AC 800M rack? Do not assume so. Some CEX slots support live removal, but the OEM manual and your site procedure decide. If live removal is not explicitly permitted for that slot, remove rack power first.

How do I confirm it matches my controller? Send the CPU model, firmware revision, rack model, CEX slot number, old module label photo, and the DP address list. We cross-check the catalog number and test record before shipping. Exact fit still depends on the OEM support matrix for your CPU firmware.

What’s the warranty? 12 months from delivery for functional failure under normal operation. Cables, terminators, and other consumables carry a 90-day replacement guarantee.

How can I tell genuine OEM from refurbished? Genuine units carry the original ABB label with consistent typography and a traceable serial number. Refurbished units carry our QC tag in addition to the OEM label, and we disclose condition on the quote.

Does it ship with a configuration file? No. We ship a test record, not your Control Builder project. The module must be configured to match your CEX slot, DP addresses, and slave GSD files.

Does it support DP-V1 acyclic services? It is a DP-V1 interface, but the actual services depend on firmware, the engineering tool version, and each slave’s GSD. Confirm the slave support and firmware pair before you design around acyclic reads.

What do you need to quote the right replacement? CPU model, firmware revision, CEX slot number, old label photo, and DP address list. That five-minute upload prevents most wrong-part returns.