https://doc.pinetek-networks.com/ 2026-05-25T03:24:05+00:00 https://doc.pinetek-networks.com/ https://doc.pinetek-networks.com/lib/exe/fetch.php?media=wiki:logo.png text/html 2026-05-22T20:20:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://doc.pinetek-networks.com/doku.php?id=iol-hat:faq:pd&rev=1779481214&do=diff Q: I receive an error about invalid PD from iol-master-appl [12:53:29 WARN ] generic_run0: PDIn data is invalid for port 1 or [12:48:33 WARN ] generic_run0: Failed to get PDIn from port 1, len requested=4, len act=2 A: To exchange process data (PD), both PDIn and PDOut have to match the device text/html 2026-05-22T18:52:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://doc.pinetek-networks.com/doku.php?id=iol-hat:faq:solenoids&rev=1779475977&do=diff Q: I attached an IO-Link solenoid to the IOL HAT, but on switching, the communication fails Errors like this one appear before failure: [16:37:36 ERROR] PL: Got status error, REG_Status=0x00 A: The solenoid is causing transients on L+ Some solenoids do not have a proper free-wheeling diode which causes spikes on text/html 2026-05-22T20:42:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://doc.pinetek-networks.com/doku.php?id=iol-hat:faq:timeouts&rev=1779482527&do=diff Q: I sporadically receive timeouts from the iol-master-appl The timeouts usually look like this: [16:37:36 WARN ] iolink_dl_handle_error: Reception timeout: 9f followed by a reconnect or connection loss. A: Raise the realtime level of the iol-master-appl