<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">Hi,<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><br class=""></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">I am currently using a Beckhoff EL2502 PWM output card with the Etherlab 1.5.2 master using the generic ethernet driver. On startup, I am trying to set a PDO assignment SDO register using ecrt_master_sdo_download() and am getting an error back “Failed to execute SDO download: Protocol not supported”.<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class=""> </span></div><div style="margin: 0in 0in 0.0001pt;" class=""><font face="Calibri, sans-serif" class=""><span style="font-size: 11pt;" class="">I am not able to set a PDO assignment SDO registers using the ecrt_slave_config_sdoX() calls</span><span style="font-size: 14.666666984558105px;" class="">…</span><span style="font-size: 11pt;" class="">which from my reading of other mailing list posts is only used for configuration registers.<o:p class=""></o:p></span></font></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class=""> </span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">In turn, I was able to use the Ethercat Etherlab tool and change the PDO mapping so I assumed it is available from the application interface since they use the same calls (ioctl interface)<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class=""> </span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">Beckhoff changed the firmware on the card and I’m trying to reassign the PDO’s to the old mappings… this isn’t the first time I’ve run into this problem so I'm looking for a solution for all cards that would have this problem. Ideally, id like to do it through the application interface and avoid running a script on startup that uses the tool.<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class=""> </span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">Has anyone has success with doing this type of transaction?</span></div></body></html>