.ut-cat{color:#333;font-family:Arial,Helvetica,sans-serif;line-height:1.5;} .ut-cat h4{color:#1a1a1a;font-size:1.15em;margin:1.5em 0 .5em;padding-bottom:.25em;border-bottom:2px solid #ccc;} .ut-cat h2{color:#1a1a1a;font-size:1.25em;margin:1.2em 0 .4em;} .ut-cat h3{color:#222;font-size:1.05em;margin:1em 0 .3em;} .ut-cat p{margin:.6em 0;} .ut-cat ul{margin:.5em 0;padding-left:1.4em;}.ut-cat li{margin:.25em 0;} .ut-cat img{max-width:100%;height:auto;} .ut-cat table{border-collapse:collapse;width:100%;margin:.5em 0;} .ut-cat th,.ut-cat td{border:1px solid #ddd;padding:6px 10px;text-align:left;vertical-align:top;} .ut-cat td strong{color:#222;} Overview The MSO/UPO2000-CAN adds CAN-FD (Controller Area Network with Flexible Data Rate) protocol triggering, decoding, and search to your MSO/UPO2000 Series oscilloscope. CAN-FD bus traffic appears as decoded frames overlaid on the analog waveform — protocol data and electrical signals visible simultaneously. CAN-FD supports payloads up to 64 bytes at up to 8 Mbit/s (vs. classic CAN's 8-byte/1 Mbit/s limit). Standard in vehicles from 2020+, this decode also handles classic CAN frames on the same bus. The option is enabled by a software license keyed to the oscilloscope's serial number and is permanent for the life of the instrument. Key Features Protocol-Aware Triggering — Trigger on CAN-FD conditions — frame ID, data content, error frames, or bit rate switch events. Real-Time Frame Decoding — Decoded CAN-FD frames display on the waveform trace in real time for protocol-electrical correlation. Deep Memory Protocol Search — Search captured records for specific message IDs, data patterns, or error conditions. Error Detection — Identifies CRC, form, stuff, and acknowledge errors for diagnosing intermittent failures. Lifetime License Activation — activate once, owned for the life of the instrument. No subscriptions, no renewals, no maintenance fees. When You Need This Option The option fits the following workflows: ECU Development — Trigger on your ECU's arbitration ID to capture CAN-FD messages and verify timing, payload, and acknowledge behavior. Intermittent Bus Errors — Use error frame triggering to capture CAN-FD errors and examine the analog waveform to find electrical vs. protocol root causes. Compatibility This option is compatible with all MSO/UPO2000 Series oscilloscopes (MSO/UPO2102, 2104, 2202, 2204 and -S variants). The same capability is offered on other UNI-T oscilloscope families: MSO/UPO3000CS. Frequently Asked Questions Do I need this if I already have classic CAN? Yes — CAN and CAN-FD are separate protocols. CAN-FD decode also handles classic CAN frames on the same bus. Should I buy this individually or get a bundle? If you only need CAN-FD, the individual license covers exactly that protocol. The AUTO bundle adds the automotive protocols in one license. The BND bundle includes every protocol in the series. How is this option activated? The option is enabled by a software license keyed to the oscilloscope's serial number. After purchase, the license is registered on the UNI-T website to generate the license file, which is then loaded onto the instrument from a USB drive through the option-install menu. Refer to the oscilloscope's user manual for the step-by-step procedure. Is the license permanent, or does it require renewal? The license is permanent — a one-time purchase that stays active for the life of the instrument. No subscriptions, no annual renewals, and no expiration.
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