Confirming CI858 for an installed system
CI858 is the complete reference for this DriveBus communication interface. Use the exact code, not only the family name, when reviewing a replacement or preparing an enquiry. The final site decision depends on the installed circuit and the marked hardware revision.
Technical identification
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | CI858 |
| Product family | CI858 |
| Component role | DriveBus communication interface |
| Interface | DriveBus communications |
| System | AC 800M communication module |
| Package boundary | Confirm CI858 module, baseplate and software license separately |
| Final configuration | Confirm exact nameplate, hardware revision and order options before purchase |
These CI858 details establish the selection baseline. Check the unit label and current ABB documentation for any option or approval that is not explicit in the technical table.
Before energizing
Inspect CI858 and its connected wiring under the approved isolation procedure. Compare the delivered code with the order, then check mechanical seating, terminals and required accessories.
Restore only reviewed settings for CI858. If the original assembly contains safety or protection functions, follow the plant's dedicated validation plan before operating the load.
Duty at this site
For CI858, the expected duty is: Connect the controller's approved drive network to its assigned drive nodes. Identify the source, the connected equipment and the permissive or alarm logic before ordering.
A useful handover record for CI858 includes the drawing reference, ambient condition and the operating duty. This helps distinguish a genuine equivalent from a merely similar-looking device.
What must match?
The critical CI858 comparison is: Check DriveBus topology, fiber connections, controller version, baseplate and drive addressing. Confirm each difference with the supplier and the site engineer before approving it.
Document the terminal arrangement, supply, protective coordination or communications mapping relevant to CI858. An alternative code can require a changed parameter set, mounting layout or approval.
What proves it works?
For CI858, the acceptance action is: Confirm drive node discovery, cyclic values, diagnostics and an approved command test. Record the actual observed result, not only the power-on indication.
Retain a signed record of the CI858 test together with faults, corrections and the final nameplate information for later maintenance and procurement.
Codes grouped with this model
Other CI858 codes are listed here for search and procurement reference. Their suffixes may change the coil, ratings, channel layout, interfaces or accessories, so they are not declared interchangeable with CI858.
There is no additional unassigned CI858 designation grouped with CI858 here.
For the purchase enquiry
State the full CI858 code, installed machine or panel, quantity, required condition and delivery destination. Ask for a matching datasheet and the supplied hardware revision.
If CI858 is offered as a substitute or updated spare, request a written cross-reference covering mechanical fit, wiring, ratings and required project changes before approval.
