Q&A 2 step discovery error. How to change A2B wire length in Sigma Studio +

2 step discovery error. How to change A2B wire length in Sigma Studio +

Loic on Jun 9, 2026

Category: Software

Product Number: AD2437

Software Version: 2.3.0

Hello,

I'am working on a high power AD2437 main and bus powered sub node.

When flashing with Sigma Studio + I got "Critical short found at main node" error message.

If I disable for the sub node the "enable two step discovery" option, the bus work fine.

I saw in another post that's due to A2B wire length incorrect.

I'am looking how to update the wire length in Sigma Studio +

Best regards

Loïc

software AD2437 Interface Transceivers & Isolators 2.3.0

Brewster on Jun 12, 2026 1:54 PM
0

Select the block after the cable indicator. then in the properties (not the right click properties; the little properties thing that be defaults is on the right side) enter the length and then hit enter.

then hit the link-compile button or the value may not stick (known bug, may be fixed).
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Brewster on Jun 12, 2026 1:57 PM
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I'm pretty sure in SS+ 2 step discovery expects a valid EEPROM for node ID on the next node. ADI boards come with that set, if you are using your own board then you need to do that.

As a general comment SS+ error messages are not helpful; for example if there was really a short then changing the discovery type would make no difference as a short is a short...YMMV
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