<html><body><div style="font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000"><div>Hello Nick,<br></div><div><br data-mce-bogus="1"></div><div>Okay, just IDCCT1 scaling has been changed. </div><div><br data-mce-bogus="1"></div><div>The changes have been made in the LabVIEW and I will deploy it within the next few minutes. I will then set the modified program as the start-up application. It'll take maybe 15 minutes until the cRIO is back up.<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>Best regards,<br data-mce-bogus="1"></div><div>Tyler<br data-mce-bogus="1"></div><div><br></div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><b>From: </b>"Nicholas Sandoval" <sandoval@jlab.org><br><b>To: </b>"Tyler Lemon" <tlemon@jlab.org><br><b>Cc: </b>"dsg-hallb magnets" <dsg-hallb_magnets@jlab.org>, "Ruben Fair" <rfair@jlab.org>, "Probir Ghoshal" <ghoshal@jlab.org><br><b>Sent: </b>Wednesday, January 18, 2017 11:11:56 AM<br><b>Subject: </b>Re: IDCCT scaling in labview<br></div><br><div data-marker="__QUOTED_TEXT__">Hi Tyler,<br><br>Please just scale IDCCT1. The reason is the PLC DINT data type is limited( -2,147,483,648 to 2,147,483,647). When we get the DINT in the PLC and the current is over 2,147A it 'freezes'. <br><br>You can see this behavior in the archive when plotting both IDCCT(I_ZFCT in EPICs) and I_MPS(Danfysik readback) during the high current runs in November. <br><br>We want to keep the resolution on the voltage taps the same, as we do not get close to this limitation.<br><br>Thanks,<br><br>Nick<br><br>----- Original Message -----<br>From: "Tyler Lemon" <tlemon@jlab.org><br>To: "Nicholas Sandoval" <sandoval@jlab.org>, "dsg-hallb magnets" <dsg-hallb_magnets@jlab.org>, "Ruben Fair" <rfair@jlab.org>, "Probir Ghoshal" <ghoshal@jlab.org><br>Sent: Wednesday, January 18, 2017 10:59:02 AM<br>Subject: Re: IDCCT scaling in labview<br><br>Hello Nick, <br><br>Right now, the way IDCCT1 data is scaled by one million also scales the voltage taps by one million. <br><br>Do we want the Voltage Taps to stay scaled by one million or should they also be changed to 100,000? <br><br>Tyler <br><br><br>From: "Nicholas Sandoval" <sandoval@jlab.org> <br>To: "Tyler Lemon" <tlemon@jlab.org> <br>Cc: "Ruben Fair" <rfair@jlab.org>, "Probir Ghoshal" <ghoshal@jlab.org> <br>Sent: Wednesday, January 18, 2017 10:40:07 AM <br>Subject: IDCCT scaling in labview <br><br>Hi Tyler, <br><br>Can you please change the multiplier for IDCCT1 in the labview logic. I believe it is scaled by a million at the moment, please change it to 100,000. <br><br>This will prevent us from hitting the hardware limit on the PLC readout. Let me know when you are complete as I will need to do the same in the PLC <br><br>Thanks, <br><br>Nick<br></div></div></body></html>