[Dsg-halla_magnets] SoLID magnet I&C meeting agenda

[Steven Lassiter]

Hi

I will not be able to attend tomorrow's meeting due to HR training class.

Attached is the PID for the CCR A00000-16-02-0101.

2.2.1 I am interested in why the I/O PLC module require changing due to temperature sensor readout accuracy. Hopefully that wil be discussed.
2.2.2 The naming difference highlighted to me is not that significant. More info contained within the name is good, but does make for rather long tags names when used on HMI screens and results in a busy or cluttered screen when a number of temperature sensors are used. That is one reason the Helium temperature and LN2 temperature are usually shown on separate HMI screens with the cryogen's name at the top of the screen. Same thing applies to the PLC code, a separate page of code identities the cryogen and the temperature label are shown without that identifier embedded in the tag.  In the spreadsheet, where all temperature sensors are placed in one area or share the same I/O card, then the cryogen label attached to the tag label is beneficial. Once the HMS screen are developed and the the tag names placed on them, lets see how busy they look.

4.2 P&I for CCR is attached.
4.3 I take it that "heat control" means Heat Exchanger Controller (HX) (also called N2 exchanger). The two temperature sensors and one JT valve on the HX will be added to the PLC controls. The HX's Honeywell UDC3300 controller will not be used. Wiring info is attached in the AET drawings and pinout checkout.pdf  2nd sheet.


Hope this helps
Steven


________________________________
From: Dsg-halla_magnets <dsg-halla_magnets-bounces at jlab.org> on behalf of Pablo Campero Rojas <campero at jlab.org>
Sent: Tuesday, January 28, 2020 1:15 PM
To: dsg-halla_magnets at jlab.org <dsg-halla_magnets at jlab.org>
Subject: [Dsg-halla_magnets] SoLID magnet I&C meeting agenda

Hello,

I've attached the tentative agenda for tomorrow's meeting. Feel free to add any other topic.


Best Regards,
Pablo
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